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WO1999011060A1 - Guide electronique de programmation d'emissions de television, systeme et technique de recherche automatique - Google Patents

Guide electronique de programmation d'emissions de television, systeme et technique de recherche automatique Download PDF

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Publication number
WO1999011060A1
WO1999011060A1 PCT/US1997/012589 US9712589W WO9911060A1 WO 1999011060 A1 WO1999011060 A1 WO 1999011060A1 US 9712589 W US9712589 W US 9712589W WO 9911060 A1 WO9911060 A1 WO 9911060A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel
television
programming guide
scan
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1997/012589
Other languages
English (en)
Inventor
Michael Dean Ellis
Bruce Davis
Edward Bruce Knudson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telecommunications of Colorado Inc
TV Guide Magazine Group Inc
Original Assignee
Telecommunications of Colorado Inc
News America Publications Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telecommunications of Colorado Inc, News America Publications Inc filed Critical Telecommunications of Colorado Inc
Priority to PCT/US1997/012589 priority Critical patent/WO1999011060A1/fr
Priority to AU43265/97A priority patent/AU4326597A/en
Publication of WO1999011060A1 publication Critical patent/WO1999011060A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/4221—Dedicated function buttons, e.g. for the control of an EPG, subtitles, aspect ratio, picture-in-picture or teletext
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4532—Management of client data or end-user data involving end-user characteristics, e.g. viewer profile, preferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors

Definitions

  • This invention relates to an electronic program schedule system, which provides a user with schedule information for broadcast or cablecast programs viewed by the user on a television receiver. More particularly, it relates to an improved electronic program guide that provides the user with a more powerful and convenient operating environment, while, at the same time, increasing the efficiency of navigation by the user through the guide. Most particularly, it relates to an improved EPG having a scan feature.
  • the EPG scan feature causes television programs and/or items of program schedule information to be displayed seriatim, each for a fixed time. The feature may be turned off at any point during the scan, whereupon, as described below, the user may either continue to view the then-displayed program or schedule information, or return to the program or schedule information displayed at the time the scan was initiated.
  • Electronic program guides for television systems are known in the art. For example, one prior system used an electronic character generator to display textual schedule information on the full screen of a television receiver. Other prior systems presented electronically stored program schedule information to a user for viewing while allowing the user to select display formats. Still other systems employed a data processor to input user- selection criteria, then stored only the program schedule information meeting these criteria, and subsequently used the stored information to automatically tune a programmable tuner or activate a recording device at the time of broadcast of the selected television programs. Such prior systems are generally discussed in "Stay Tuned for Smart TV,” published in the November 1990 issue of Popular Science.
  • the prior electronic program systems may be difficult to implement and cumbersome to use. They also fail to provide viewing capabilities that address in a more realistic manner the viewing habits of the users of these electronic program systems. Moreover, many of these systems are complex in their design and are expensive to implement. Ease of use and economy are primary concerns of television program distributors and viewers as they contemplate dramatic increases in the number and nature of program networks and other television-based services. And, as the number of television channels available to a user increases dramatically with the advent of new satellite and cable-based technologies, the utility of these prior systems substantially diminishes.
  • the prior electronic program guides also lack a method for creating a viewing itinerary electronically while still viewing a program currently appearing on the television receiver. Moreover, these prior program guides leave much guess work for the user as he navigates through a sequence of channels. When skimming through channels to ascertain the program then being displayed on any channel, commonly known as "channel surfing," the user needs to guess which program is currently being aired from the video encountered as the user surfs through the channels. Since much ⁇ in some cases, up to 30% - of the programming appearing on any given channel at any given time is advertising or other commercial programming, the user is not provided with any clues as to what program is appearing on a selected channel at a given time and must therefore wait until the advertisement or commercial is over before ascertaining the program then appearing on the selected channel. Thus a need exists for a program guide which displays current program schedule information for each channel as the user surfs through the available channels.
  • Such a scan feature is useful to automatically cycle through a plurality of programs currently being received on a plurality of channels, or a plurality of program schedule information in any of the various operating modes of an EPG as described below.
  • Certain scan features are known in the audio field, particularly in automobile radios to permit a user to sample the radio programs being received on a number of stations in a hands-free manner with the single touch of a button.
  • the radio tunes to each receivable radio station on the tuning band, in order, beginning at the presently tuned station and stopping for a preset time at each station before moving to the next.
  • the scan function is deactivated and listening returns to normal.
  • some remote control devices for television such as the UniwandTM sold by Universal Electronics, include a "scan" key.
  • the remote control device When this key is pressed, the remote control device emits a stream of infrared signals at predetermined time intervals to cause the television tuner to sequentially tune to the next channel.
  • the signals are transmitted by the remote control device, the user must keep the device aimed at the infrared receiver throughout the scan process so that the infrared signals continue to be received by the television. This is awkward and cumbersome.
  • EPGs do not provide for user-controllable scanning of programs or program schedule information, which are desirable features in an EPG because the user need not manually scan, or "surf," through programs or schedule information by continually depressing a channel or direction arrow key on a remote controller.
  • a still further object of the present invention is to incorporate the scan feature into the various operating modes of the EPG.
  • a still further object of the present invention is to incorporate a scan feature into of an EPG such that a user can scan through actual television programs or program schedule information.
  • a still further object of the invention is to obviate the requirement for a user to keep the remote control device aimed at the television to perform a scan operation.
  • a television receiver is used to display the television programs and television program schedule and other information.
  • a video display generator receives video control commands from the data processor and program schedule information from the memory and displays a portion of the program schedule information in either full screen mode or in overlaying relationship with a television program appearing on a television channel in at least one mode of operation of the television programming guide.
  • the data processor controls the video display generator with video control commands, issued in response to the user control commands, to display program schedule information for any chosen one of the plurality of television programs in either full screen mode or in overlaying relationship with at least one television program then appearing on any chosen one of the plurality of channels on the television receiver.
  • the data processor causes the tuner to scan channels and/or program schedule information seriatim.
  • the data processor causes the tuner to increment (or decrement) by one the currently tuned channel, display the received program for the channel together with program schedule information identifying the program for a predetermined amount of time, and then increment (or decrement) by one the channel, display that channel and associated program schedule information for the predetermined amount of time, and so on, until a second user control command causes the tuner to stop scanning and remain on the currently tuned channel, or until the data processor otherwise causes the tuner to stop the scan.
  • the scan feature may be used to scan program schedule information (on either a channel or time basis) while the tuner remains tuned to the same channel.
  • the scan feature of the present invention may also be used in modes of an EPG that display full pages of program schedule information to permit a user to scan through the program schedule information with a single user control command.
  • Fig. 1 is a block diagram showing various components of the preferred embodiment of the invention herein.
  • Fig. 2 is a block diagram showing the combination of program and schedule information by the video overiay device utilized in the present invention.
  • Fig. 3 depicts a remote controller that can be used in connection with the electronic program guide system of the present application.
  • Fig. 4 depicts an alternative embodiment of the remote controller shown in Fig.
  • Fig. 5A shows an overlay appearing on a television screen in one mode of operation of the present invention.
  • Figs. 5B-C illustrate the operation of the scan feature in the "FLIP" mode of the present invention.
  • Fig. 6 illustrates a screen used in the present invention that permits a user to set the term of a scan operation.
  • Fig. 7 shows a graphic overlay appearing on a television screen in a "BROWSE" mode of operation of the present invention.
  • Fig. 8 shows a graphic overlay appearing on a television screen in a BROWSE mode of operation of the present invention having different information from that shown in Fig. 7.
  • Fig. 8A shows a graphic overlay appearing on a television screen in a BROWSE mode of operation in the present invention displaying schedule information for a time and channel other than that shown in Fig. 7.
  • Fig. 9A shows a graphic overlay appearing on a television screen in a BROWSE mode of operation in the present invention to permit a user to set a REMINDER message for a future program.
  • Fig. 9B shows yet another graphic overlay appearing in a REMINDER mode of operation of one embodiment of the present invention.
  • Fig. 10 shows a screen used in one embodiment of the present invention to permit a user to select a channel-wise or time-wise scan in the BROWSE mode of operation of one embodiment of the present invention.
  • Fig. 11A-C show three successive screen displays of a channel-wise scan in the BROWSE mode of operation of one embodiment of the present invention.
  • Figs. 12A - 12C show three successive screen displays of a time-wise scan in the BROWSE mode of operation of one embodiment of the present invention.
  • Figs. 13A - 13C show three successive screen displays of an alternate embodiment of a time-wise scan in the BROWSE mode of operation of one embodiment of the present invention.
  • Fig. 14 shows schedule information displayed in a Listings By Category mode of operation of one embodiment of the present invention.
  • Fig. 15 shows schedule information displayed in a Listings By Channel mode of operation of one embodiment of the present invention.
  • System Configuration Fig. 1 is a block diagram showing various components of the electronic program schedule system generally designated as 10. Physically, these system components can be located in a user's set-top cable converter box or other signal reception or processing device, such as a satellite receiver. Alternatively, the components can be mounted in a separate housing, or included as part of a television receiver, VCR, personal computer, or multimedia player; or reside as a distributed application in a broadband network architecture.
  • An input signal 11 is connected to a receiver 12, which receives a transmitted data stream from a data provider.
  • the data stream may contain, for example, information about programs or services available in a particular market, geographical or otherwise.
  • the input signal 11 can originate, for example, as part of a standard broadcast, cablecast or satellite transmission, or other form of data transmission.
  • the data provider is a program information provider, the satellite uplink manager, a local cable operator, or a combination of these sources, and the data stream contains program schedule information for all television programs and other services available in the operator's geographical market.
  • the data stream may be modulated and then transmitted on the cable line in any number of ways, including as part of a dedicated channel transmission operating at a frequency of, for example, 75 MHz. Those of skill in the art will understand that numerous other transmission schemes can be used to transmit the data stream, such as embedding it in the vertical blanking interval of a program broadcast signal. As will be discussed in greater detail below, according to the present invention, the transmitted data stream may additionally contain application software for implementing or updating the electronic program guide at the user site.
  • the transmitted program schedule data or application software is received by the receiver 12 on signal input line 11.
  • the received signal is passed from the receiver to a data demodulator 13, such as a QPSK demodulator or a GI Info-Cipher 1000R, which demodulates the transmission and passes it to a buffer 15.
  • a microcontroller 16 such as a M68000EC, receives data passed to the buffer
  • Bootstrap operating software which may be used for capturing electronic program guide application software updates, is stored in a read only memory (ROM) 17.
  • the microcontroller 16 uses the received program schedule information to build a database by storing the data in appropriately organized records in dynamic random access memory (DRAM) 18.
  • the stored schedule information can be updated on a periodic basis, such as hourly, daily or weekly, or at any time when changes in scheduling or other factors warrant an update.
  • the system also includes a system clock 19.
  • the program schedule information could be supplied in a ROM, disk or other non-volatile memory, or it could be downloaded to a storage disk or other data storage device.
  • the invention herein is not directed to the particular method of transmission or reception of the schedule information.
  • the microcontroller 16 If the microcontroller 16 recognizes the received data as application software which controls the program schedule system, as opposed to program schedule information, it stores it in non-volatile memory, such as an electrically erasable programmable ROM (EEPROM) 20 or battery-backed static RAM (SRAM). This configuration allows revised or replacement versions of the application software to be downloaded directly from the software developer to the user site through the cable or other transmission system.
  • non-volatile memory such as an electrically erasable programmable ROM (EEPROM) 20 or battery-backed static RAM (SRAM).
  • EEPROM electrically erasable programmable ROM
  • SRAM battery-backed static RAM
  • the microcontroller 16 After the accuracy of the application software has been verified, the microcontroller 16 initiates a routine to re-program the EEPROM 20, where the application software is permanently stored.
  • the microcontroller 16 will issue proper control commands to a reprogram circuit 21, which is adapted to supply the proper program voltage and logic control signals 22 required to erase and write to the EEPROM. It supplies this program voltage, Vprog, as well as any other required control signals, such as read or write enable, to the EEPROM 20 upon command from the microcontroller 16.
  • the microcontroller 16 After the EEPROM 20 has been electrically erased, the microcontroller 16 initiates transfer of the new application software from the DRAM 18 to the EEPROM 20 for storing.
  • the microcontroller When a battery-backed SRAM is utilized as non-volatile memory, the microcontroller stores the revised or replacement version of the application software downloaded from the developer directly in the SRAM, again under direction of the downloading operating software stored in the ROM. The stored application software can then be checked for accuracy by, for example, a checksum analysis or other verification routine.
  • the bootstrap operating software verifies that the program guide application software is resident in memory. If it is not resident, the bootstrap operating software waits for a download of the software.
  • the microcontroller 16 executes the application program software from a dedicated portion of the DRAM 18. Alternatively, the application software can be executed directly from the non-volatile memory 20.
  • the microcontroller 16 Under control of the program guide application software, the microcontroller 16 first verifies that the program schedule information is resident in DRAM 18. If it is not resident, the microcontroller waits for a download of the program schedule information, as discussed above. Alternatively, if the application program is resident in memory, but the database records containing the program schedule information data are not yet available, the application software can be configured to carry out other tasks, such as allowing the user to carry out functions not requiring the program schedule information data, as well as displaying an appropriate message indicating the database data is not yet available.
  • the microcontroller 16 takes the program schedule information stored in the DRAM 18 and, in conjunction with other downloaded data types such as stored bit maps for the screen configuration and the graphic symbol or logo displays stored in non-volatile memory 20 or, alternatively, in DRAM 18, supplies it to a video display generator (VDG) 23, which in the present embodiment may be a commercially available VGA-type graphics card, such as a Rocgen card manufactured by Roctec.
  • VDG video display generator
  • the VDG includes a standard RGB video generator 24, which takes the digital program schedule information sent by the microcontroller 16 and converts it to an RGB format in accordance with the bit map for the particular screen display then being presented to the user on the television receiver 27.
  • the configuration of each screen is shown and discussed in greater detail in the System Operation section below.
  • the VDG also includes a Video Overlay Device 25, which accepts the RGB video input, as well as an input from conventional television tuner 28, such as a conventional
  • the overlay device 25 converts and combines the RGB signal with the signal from the tuner 28, and produces a composite NTSC output signal containing both the program signal and the program schedule information, as shown in Fig. 2.
  • This composite video signal is supplied to a modulator 26, shown in Fig. 1, which can be a
  • the composite video signal can also be supplied directly to the television receiver 27 or other receiving device from the VDG through a video port 25A on the VDG.
  • the user may navigate through the program
  • a remote controller such as that shown in Fig. 3, which operates on conventional principles of remote control transmitter-receiver logic, such as by infrared or other signalling, or other suitable user interface.
  • the remote controller 31 communicates with the microcontroller 16 through the remote controller receiver 29, shown in Fig. 1, which can be a Silent Partner IR receiver and which receives signals transmitted by the remote controller
  • a remote controller suitable for the present invention such as shown in Fig. 3, which can be a remote controller manufactured by Universal Electronics or Presentation Electronics' Silent Partner, may include a power switch 32, voiume 33 and mute 34 controls, an ENTER key 35, 0-9 digit keys 36, four direction arrow keys 37A and 37B, a MODE key 38 and an information key 39 that is designated with a lower case "i. "
  • the power 32, volume 33 and mute 34 keys operate in the same manner as conventional remote controllers typically used with present-day television receivers.
  • the numeric digit keys 36 also function in much the same manner as conventional remote controllers. A brief description of the remaining keys follows.
  • the MODE key 38 takes the user through various layers of the electronic program schedule system 10 and generally allows the user to return to a previous screen when he is in a submenu.
  • the up/down direction arrow keys 37A allow a user to navigate through the different TV program channels when the program schedule system is in a FLIP or BROWSE mode, as will be fully described below, and also allow the user to navigate through highlighted bars displayed on the TV screen when in a MENU mode.
  • the left/right direction arrow keys 37B allow the user to navigate through selected time periods when the program schedule system is in the BROWSE mode, as will also be described below.
  • the up /down 37A and left/right 37B arrow keys may be utilized to control the scan feature of the present invention as more fully described below.
  • the information, or "i,” key 39 allows the user to view supplemental program and other information during the various modes of the program schedule system.
  • the ENTER 35 key fulfills and inputs a command once the user has made a selection from the remote controller keys. The function and operation of these keys will be made more apparent in the detailed discussion of the FLIP, BROWSE and MENU modes below.
  • a second embodiment of the remote controller 40 is shown in Fig. 4.
  • This embodiment of the remote controller also includes a power key 41, numeric digit keys 42, direction arrow keys 43A and 43B, information key 48, ENTER or SELECT or "OK" key 44, volume control 45, lockout key 45A, mute keys 46 and help key 49. It also includes pound sign and star keys.
  • This embodiment of the remote controller further includes a number of icon keys 47A and 47B, which correspond to different submenus or modes of the program schedule system. The icons 47A and 47B may also be displayed on the TV screen when the program schedule system is operating.
  • the icon keys essentially replace the MODE key 38 used in the embodiment of the remote controller shown in Fig. 3.
  • the user can move from one mode to another simply by depressing the icon key corresponding to the desired mode of operation of the program schedule system.
  • the icons 47A and 47B are shown as graphic symbols situated directly above a corresponding color- coded key.
  • the color-coded keys could be eliminated and keys could be formed in the image of the icon itself.
  • the embodiment of the remote controller shown in Fig. 4 also includes three color-coded viewer preference or favorite channel keys, 48A, 48B and 48C that are situated directly above the icon keys.
  • Each of these keys indicates to the program schedule system a distinct user-created "Channel Preference” or "Favorite Channel” list, which is a listing of a specific subset of channels for a particular user, arranged in the sequential order that the user wishes to view during operation of the program schedule system.
  • the system provides for at least three individual channel subsets for three individual users.
  • the remote controller of Fig. 4 also may be equipped with a "HELP" key 49, which, when depressed, causes the microcontroller 16 to retrieve previously stored instruction messages from memory and cause them to be displayed on the television receiver 27.
  • These messages offer help to the user in the form of instructions that guide the user through the operation of the various operating modes of the electronic television program guide. They may be text messages, or instructional video images, or audio programs, depending on the storage capacity of the system, or any combination of these.
  • help messages may be created so that they are context-sensitive, i.e., the messages displayed depend entirely upon the precise point in the operation of the electronic program guide that the user depresses the help key 48A.
  • information could be supplied for operation of the remote controller, for operating the FLIP or BROWSE mode (discussed below), or any other mode of operation of the guide, for impulse ordering, for setting a lockout, etc.
  • each point of operation of the guide could be coded so that the microprocessor could track the current operating point, for example, by temporarily storing the code reflecting the present operating point as the user operated the guide.
  • the microcontroller 16 When the user pressed the help key 48A, the microcontroller 16 would retrieve an appropriate set of messages based on the presently stored operating point code.
  • the i key 39 could be used to carry out the function of the help key.
  • the remote controller of Fig. 4 may also be equipped with a SCAN key 50A and GO BACK or EXIT key 50B for use in connection with the scan feature of the present invention as more fully described below.
  • each of the functions of the remote controllers can also be integrated into a keypad on the user's cable box or other hardware.
  • the program schedule system defaults to a FLIP mode, shown in Fig. 5A.
  • a graphic overlay 51 containing programming information for the channel currently tuned on the tuner is superimposed in overlaying relationship with a received program signal 55 on the screen of the television receiver 27 whenever the viewer changes the program channel, for example, by using the up/down direction arrows on the remote controller.
  • the video overlay device 25, such as shown in Fig. 1 combines the computer-generated RGB video-graphic overiay information with the NTSC-format program signal from the tuner 28, and supplies an NTSC-format output signal, which includes the program signal from the tuner and the program schedule overlay information for viewing on the television receiver 27.
  • the programming information contained in the graphic overlay 51 is supplied to the RGB video generator by the microcontroller.
  • the microcontroller In FLIP mode, the microcontroller first searches the program schedule database in, for example, the DRAM 18 to retrieve the programming information for the currently tuned channel 52 corresponding to the current time; i.e., the time at which the user just turned on the television receiver for viewing.
  • the microcontroller 16 then supplies the current channel and program information to the RGB video generator 24 which converts the digital data information to RGB format and supplies it to the video overlay device 25.
  • the microcontroller 16 defaults to displaying all channels offered by the cable company prioritized by numeric order, which is determined by the broadcast channel position in the radio spectrum or the marketing judgments of local cable operators. Using a favorite channel list or category criteria as discussed below, the user can revise the content and/or sequential order of the channels presented to the television receiver 27.
  • the microcontroller 16 instructs the VDG 23 to remove the graphic overlay 51 from the television receiver, thus presenting only a program signal 55 to the television receiver 27 for viewing.
  • the duration of the predetermined time interval is such that it allows the user sufficient time to read the programming information contained in the overlay.
  • the duration of the predetermined time interval during which the graphic 51 overlay appears is stored in a location in non- volatile memory 20 addressable by the microcontroller 16. The user can change the duration of the time interval, by first entering a Viewer Preference mode, and then selecting an "overlay interval" entry.
  • the microcontroller 16 then causes a user prompt to be displayed on the screen which, for example, asks the user to select an appropriate time period for displaying in the graphic overlay on the screen.
  • a user prompt for example, asks the user to select an appropriate time period for displaying in the graphic overlay on the screen.
  • the user can input an appropriate response, for example, a period between 5 and 60 seconds, and then depress ENTER.
  • the new interval period is then read and stored by the microcontroller 16 in the overlay time interval location in memory.
  • the microcontroller 16 will cause the tuner 28 to tune to the desired channel ⁇ either the channel immediately preceding or following the current channel when the up or down arrow 43A is used or the specific channel entered on the numeric key pad by the user ⁇ and will also search for and immediately cause to be displayed the current program information for that channel.
  • the program schedule information for any selected channel automatically appears in the graphic overlay 51 while the actual program 55 appearing on the selected channel at the particular time occupies the remainder of the screen.
  • the system can also be configured to issue an error message, such as an audible beep or displayed text indicating an invalid key stroke, if the user depresses either the left or right direction arrow keys while in the FLIP mode.
  • the scan feature may be activated by pressing a SCAN button 50A on the remote controller as shown in Fig. 4, by pressing and holding down one of the directional arrow keys (i.e. the up/down arrow keys designated 37A and 43A in Figs. 3 and 4, respectively) for a predetermined user or system defined amount of time (e.g., 3 seconds), or by providing a SCAN icon button on the FLIP graphic overlay so that the user may navigate to the button and depress the ENTER or OK key on the remote controller (35 or 44 in Figs. 3 and 4, respectively) to activate a scan.
  • a SCAN button 50A on the remote controller as shown in Fig. 4
  • the directional arrow keys i.e. the up/down arrow keys designated 37A and 43A in Figs. 3 and 4, respectively
  • a predetermined user or system defined amount of time e.g. 3 seconds
  • the user may control the scan to go forward (up arrow key) or backward (down arrow key) in the channel sequence.
  • a scan button 50A is used on the remote control device or a scan icon button on a graphic display, the system will automatically begin a forward scan.
  • the data processor When the scan feature is activated while the system is in the FLIP mode, the data processor will cause the tuner to tune to the channel one higher (forward scan) or one lower (backward scan) than the currently tuned channel.
  • the channel number from which the scan was initiated may be stored in the system's volatile memory (e.g., DRAM 18). This channel from which the scan was initiated is referred to hereinafter as the "start" channel.
  • the program information will be displayed as if the user had simply changed the channel. After a preset period of time, the system will tune to the next highest (or lowest) channel and, again according to the ordinary operation of the FLIP mode, the corresponding program information will be displayed.
  • the system may be configured to automatically enter flip mode when a scan is initiated even if the user is watching television without the program guide activated.
  • program schedule information is automatically displayed to indicate the program currently airing on each channel as the program is displayed for the brief scan period. This is particularly useful in the situation where a commercial is being displayed while a channel is scanned, thereby preventing the user form identifying the program currently airing on that channel.
  • the next channel tuned during the operation of the scan function will be the first available channel in the sequence, just as an ordinary tuner "wraps around" to the lowest available channel in response to a channel up command from the highest available channel.
  • the system will next scan to the lowest available channel, i.e., channel 2, or, on some systems, channel 1 or 0. Thereafter, the system will operate as described above, successively tuning for the predetermined time period, the next highest channel, until the scan is turned off by user action or a predetermined time out.
  • the system may be configured to stop the scan when all available channels have been scanned and the start channel is tuned again.
  • the user may depress the SCAN key 50A again, or the OK or ENTER key 44, on the remote control device.
  • the scan feature will then be deactivated and the user may proceed to view the selected program in the FLIP mode of operation.
  • An optional feature that may be provided in connection with the scan feature is the ability to immediately terminate a scan and return to the start channel. This may be implemented by designating a key on the remote control device that deactivates the scan and returns the system to the start channel in FLIP mode. For example a key 50B labelled "GO BACK" or "EXIT" may be provided on remote control device 40 shown in Fig. 4.
  • an existing key on the remote control device may be utilized. For example, if a forward scan was initiated using, e.g., the up arrow key, the system may be configured so that depression of the down arrow key during a scan will terminate the scan and return the tuner to the start channel.
  • Figs. 5B-5C illustrate the operation of a forward scan in FLIP mode, assuming the start channel is 5 as shown in Fig. 5A. As shown in Figs. 5B-C, operation is identical to normal FLIP mode as if the user had depressed the channel up key two separate times. To the user, the only difference is that by depressing the SCAN key 50A a single time, or depressing and holding the channel up key a single time, the tuner automatically increments the channel by one after a predetermined amount of time. In addition, the word "Scan" may be displayed above the word "Flip” as shown in Figs. 5B-C to alert the user that scan mode is activated.
  • the time period or term for which the tuner remains tuned to a particular channel during a scan operation may be fixed or user-definable.
  • the term is stored in the system's non-volatile memory (e.g., DRAM 18). If the term is fixed, it should be sufficiently long to permit the user to evaluate the desirability of each channel's program and act accordingly, but sufficiently short to enable the user to cycle through all the available channels in a reasonable amount of time. As examples, terms of five or ten seconds may be chosen.
  • a set-up menu (for example, by pressing the "MENU" key 47B on the remote controller 40) may be provided with a menu item labelled, for example, "Change Scan Term. " Other appropriate labels may equally well be used.
  • This selection causes the system to display the "Select Scan Term” screen shown in FIG. 6. As shown in FIG. 6, the legend “Select Scan Term” appears at the top of the screen and the legend “Use Left/Right Arrow Keys to Select Minutes/Seconds" appears below the user input fields.
  • the number of minutes and seconds of the current term is displayed in the fields adjacent to the labels "Minutes" and “Seconds", respectively.
  • the number of seconds is highlighted, indicating that the value of that field may be changed.
  • the user may enter a desired number of seconds using the number keys 42 on the remote controller, or the user may increase or decrease the term in one-second increments by pressing the up/down keys 42A on the remote controller. Pressing either the right or left arrow keys 43B on the remote controller while the seconds field is highlighted will cause the minutes field to be highlighted for editing.
  • the minutes field When the minutes field is highlighted, the number of minutes of the term is displayed.
  • the user may enter a desired number of minutes using the number keys on the remote controller, or the user may increase or decrease the term in one-minute increments by pressing the up/down keys 42A on the remote controller, respectively. Pressing either the right or left arrow keys 43B on the remote controller while the minutes field is highlighted will cause the seconds field to be highlighted for editing.
  • BROWSE Mode To initiate the BROWSE mode, the user depresses the MODE switch once while in the FLIP mode when using the first embodiment of the remote controller 31 shown in Fig. 3. Utilizing the second embodiment of the remote controller 40 shown in Fig. 4, the user would depress the button below the BROWSE icon 47A.
  • the user In the BROWSE mode, the user is provided with the ability to browse through program schedule information for any channel, including, but not limited to, the channel being viewed, while at the same time continuing to view the TV program previously selected.
  • the graphic overlay information that appears in the FLIP mode is replaced with programming information for the channel being browsed, which may or may not be the channel currently being viewed by the user.
  • a graphic overiay 111 is generated, as in the FLIP mode, with program schedule information for the currently tuned channel 112 and a textual BROWSE indicator 113 to remind the user of the currently active mode, as shown in Fig. 7.
  • program schedule information for either the prior or next channel is displayed in the graphic overlay portion 111 of the television receiver screen 27, while the tuner remains tuned to the channel program that appeared on the television receiver at the time the user entered the BROWSE mode, as shown in Fig. 8, and continues to so appear.
  • Each successive depression of the up or down direction arrow key produces corresponding program schedule information for the selected channel.
  • the graphic overlay may also include a small video window for showing the actual video signal of a currently aired program or a clip of a future program corresponding to the schedule information then appearing in the BROWSE overlay.
  • the user can simultaneously browse program schedule information for all channels while continuously viewing at least one selected program on the television receiver.
  • it may also be possible to simultaneously display multiple broadcast programs on a single screen for viewing, or to split the screen to show, for example, broadcast programs in combination with advertisements.
  • the BROWSE feature could be used in any of these situations.
  • the user desires to tune the television receiver 27 from the program channel currently being viewed to the program channel indicated in the schedule information in the graphic overlay, he simply depresses the ENTER button 44 and the tuner 28 will be tuned to that channel. If the user does not want to view another channel and wishes to exit the BROWSE mode, thus removing the graphic overlay 111 with the program schedule information, he must depress the MODE key twice in the first embodiment of the remote controller 31. The first depression of the MODE key takes the user to the MENU mode, discussed below, and the second depression will take the user to the FLIP mode. Once in the FLIP mode, the graphic overlay will be removed after the duration of the time-out interval has passed. In the second embodiment of the remote controller shown in Fig. 4, the user toggles the BROWSE icon key to deactivate the BROWSE mode.
  • the schedule information appearing in the overlay portion 111 describes the programs currently playing on any particular channel.
  • the user employs the left and right direction arrows 43B.
  • the system will display future program schedule information for the particular channel previously selected by the up and down direction arrows, whether it is the channel currently being viewed or any other available channel.
  • the schedule information presented includes the name of the program and program start/stop time.
  • the instant embodiment of the system in order to conserve memory, will not allow the user to view programming information for a time prior to the current time. The system could be easily modified to provide such information if adequate memory is made available.
  • the microcontroller could simply do this automatically.
  • the displayed time of airing 121 of the particular show 122 is highlighted, as well as the channel number and service indicator 123, as shown in Fig. 8A. Such highlighted information reminds the user that he is viewing program schedule information for a future time.
  • depression of the channel up direction arrow key on the remote controller 40 causes programming schedule information for the next channel to appear, which corresponds in time to the future time that was being viewed before the up key was depressed by the user.
  • the channel down direction arrow key 43B functions identically in this mode.
  • REMINDER overlay message 130 which, as shown in Fig. 9A, is displayed as a second overlay 131 appearing above the BROWSE overlay 132.
  • the REMINDER message 130 queries the user as to whether the system should remind the user, at a predetermined time before the start of the selected program, that he or she would like to view the selected program, as shown in Fig. 9A. If the user responds affirmatively, the
  • microcontroller 16 stores reminder data consisting of at least the channel, time and day of the selected program in a reminder buffer, which contains similar schedule information for all programs for which the user has set a reminder. At a pre-determined time before the selected program start time, for example, five minutes, the microcontroller 16 will retrieve schedule information, including title and service, based on the reminder data, and will instruct the VDG
  • REMINDER message 140 contains the channel, service and start time. It also displays the number of minutes before the time of airing of the particular show and updates the display every minute until the time of airing.
  • the REMINDER message 140 also displays a
  • the reminder overlays are stacked, for example, in ascending order according to the time each reminder is scheduled to be displayed, and the next reminder message will appear on the television receiver after the user takes appropriate action to remove the reminder message then being displayed.
  • the REMINDER message (140) could also be
  • the user can modify the time period before a selected program that the REMINDER message appears by entering the Viewer Preference mode and revising the time entry.
  • VCR timer for programmed recording.
  • the user may also be queried whether the system should set a VCR timer to control a VCR to turn on at the scheduled start time of the program and turn off at the scheduled off time.
  • a REMINDER message may then be displayed, e.g., two minutes before recording is to begin to query the user whether to cancel the recording of the program.
  • the scan feature of the present invention may also be used with the BROWSE mode of an EPG. If the scan feature is activated while the EPG is in BROWSE mode, by, e.g., pressing and holding an up/down key 43A or left/right key 43B, the particular key chosen will determine whether the scan is by time or by channel and the direction of the scan. For example, the up arrow key will initiate a forward channel scan, the down arrow key a backward channel scan, the right key a forward time scan, and the left key a backward time scan (if past program schedule information is kept in memory).
  • the user can be queried whether the scan should proceed channel-wise or time-wise and depresses a designated key to choose one or the other. For example, as shown in FIG. 10, the user presses the "1" number key on the remote controller to proceed channel- wise or presses the "2" number key on the remote controller to proceed time-wise.
  • the system may be configured to begin the scan in the direction of the most recent directional arrow key pressed by the user.
  • the BROWSE mode channel-wise scan feature begins by displaying the program information for the currently viewed television channel or, optionally, for the then-current program on the next channel in the sequence. After the term has elapsed, the program information for the current program on the next television channel is likewise displayed, and so on. Three successive screen displays for a channel-wise scan are shown in FIGS. 11A, 11B, and 11C. As illustrated in those figures, the textual messages "BROWSE" and "SCAN" may be included to indicate the current operational mode of the EPG to the user.
  • the system wraps around to the first available channel in the sequence. Thereafter, the system will operate as described above, successively displaying, for the term, program information for the next channel in the sequence.
  • a BROWSE mode channel-wise scan for the current time period may be terminated in several ways. Also as in the flip mode, during a channel-wise BROWSE-mode scan, the user may press the ENTER or OK key 44 to terminate the scan at a desired channel. This will cause the tuner to tune to the desired channel. Alternatively, the user may depress the GO BACK or EXIT key 50B to terminate the scan and return to the BROWSE mode of the EPG with the start channel information displayed, i.e., the program schedule information that was displayed when the user initiated the BROWSE scan. As a third option, if a SCAN key 50A is provided on the remote control device, the user may depress this key to simply terminate the scan and return to normal BROWSE mode using the currently displayed program schedule information.
  • the BROWSE channel-wise scan is scanning program schedule information for a future time period
  • the user may be queried whether he wishes to set a REMINDER message for the program or set a VCR timer to control a VCR to record the program at its scheduled time.
  • depressing the GO BACK or EXIT key 50B will terminate the scan and return the user to the BROWSE mode of the EPG with the start channel information displayed, i.e., the program schedule information that was displayed when the user initiated the BROWSE scan.
  • the start channel information displayed i.e., the program schedule information that was displayed when the user initiated the BROWSE scan.
  • the user may depress this key to simply terminate the scan and return to normal BROWSE mode using the currently displayed program schedule information.
  • the system may be configured to automatically terminate the scan and return to a display of program schedule information for the start channel once program schedule information for each available channel has been displayed.
  • a BROWSE mode time-wise scan begins by displaying the program information for the currently viewed program or, optionally, for the program next to air on the currently viewed channel. Alternatively, if past listings are stored in memory, a backward time-wise scan may be initiated. A time-wise scan is instituted while displaying program schedule information for a particular channel and time. After the term has elapsed, the information for the next (or previous) program on the same channel is displayed, and so on.
  • a BROWSE mode time-wise scan requires the establishment of an additional parameter.
  • a forward time-wise scan once the scan reaches the end of the time window, the system will wrap around to the current time. Alternatively, if past listings are stored, the system could be configured to wrap around to the earliest stored listing for the given channel.
  • the system may also be configured to terminate the scan automatically when the last program in the time window is reached.
  • a set-up screen may be provided where the user can select the time window.
  • the window may be defined based on the number of programs so that, e.g., the system will scan ahead to the next 10 programs scheduled for the channel and then wrap around to the program scheduled for the current time.
  • the user set-up screen may also be configured to permit the user to define the window based on number of programs.
  • FIGS. 12A, 12B, and 12C Three successive screen displays for a time-wise BROWSE scan are shown in FIGS. 12A, 12B, and 12C.
  • the successive program information displays can be for programs airing on the currently viewed channel at each hour and half-hour interval, whether or not a new program begins at that time.
  • Three successive screen displays for this kind of time-wise scan are shown in FIGS. 13A, 13B, and 13C.
  • the information presented for the future programs includes an identification of the half-hour segment for which information is presented, the title of the program, the program's start time, and the program's end time.
  • the system may be configured to query the user whether he wishes to set a REMINDER message for the program or set a VCR timer to control a VCR to record the program at the scheduled time as discussed above.
  • the system may be configured to display the video signal for currently airing programs for a current time channel-wise scan, or video clips for future programs for a future time channel-wise scan or a time-wise scan.
  • the system may be configured to display program schedule information for multiple channels (during a channel-wise scan) or multiple time periods (during a time- wise scan).
  • Fig. 14 illustrates a "Category Listing” mode in which program schedule information is displayed and categorized by program content.
  • the particular listing shown in Fig. 14 includes the categories of Movies, Sports, News and Children 190A-190D.
  • the database record stored for each listing contains a content-specific identifier so the microcontroller can search the database and categorize the information by content for purposes of displaying it in the Category Listing mode.
  • the user can manipulate the cursor left or right to highlight any one of the categories which appear at the head of the listing.
  • the "Movies" category 190A is selected.
  • the user is given a display of all movies, prioritized by time and then alphabetically by title of show, beginning with the half-hour immediately preceding the current time unless the current time is on the hour or half-hour, in which case the display begins with the particular hour or half-hour.
  • the screen display shown in Fig. 14 also includes a textual description of the current operating mode of the program schedule system.
  • the user If the user highlights a show which is currently airing, he can immediately tune to that show by depressing the ENTER key on the remote controller 40. If the highlighted show is one that will appear at future time, the user is again given the option of setting a REMINDER message or a VCR timer.
  • the scan feature may also be utilized in conjunction with subsets of the available channels.
  • the scan feature may be used in conjunction with the Listings by Category mode of an EPG so that, e.g., if the user is in FLIP mode but viewing only sports programs, when a scan is initiated, only those channels currendy displaying sports programs are tuned during the scan.
  • a channel- wise scan in BROWSE mode the set of channels included in a BROWSE channel-wise scan may be limited to channels for which programs in a particular category are scheduled to appear, whether the system is scanning through programs scheduled to appear during the current time period or a future time period.
  • the system of the present invention may be configured to permit the user to select certain time periods in the time window for which schedule information is displayed. For example, if the system stores three days of program schedule information, and the time window for a BROWSE time-wise scan is set to be coextensive with the storage capacity of the system, the user may be provided with a set-up screen to control a time-wise BROWSE scan to skip certain time periods and display only program schedule information for, e.g., prime time (8:00-11:00 pm), but not other time periods .
  • prime time 8:00-11:00 pm
  • the user may activate a favorite channel list to control a scan in FLIP mode or a channel- wise BROWSE scan.
  • the use of favorite channel lists to restrict the channels in a channel tuning sequence is known in the art.
  • FLIP mode only channels on the selected favorite channel list are tuned for the scan and in BROWSE mode, only program schedule information for channels on the user's favorite channel list is displayed.
  • Fig. 15 illustrates a "Channel Listing" mode in which the program schedule information is categorized and displayed by channel.
  • the screen display shown in Fig. 15 includes a textual mode identifier 201 and the window including the logo icon 182 and alternating time/date display 183.
  • At the head of the program listing is a list of several consecutive channels 202A-202C beginning with the last channel viewed by the user before entering the Channel Listing mode.
  • the channel in the middle window 202B is highlighted and is the channel for which schedule information is displayed.
  • the display identifies those programs appearing on the highlighted channel beginning with the half-hour immediately preceding the current time unless the current time is on the hour or half-hour, in which case the display begins with the particular hour or half-hour.
  • the user can display further future listings by manipulating the cursor to the bottom of the screen and paging the display, as previously described.
  • the user can also change the selected channel by manipulating the left or right direction arrow keys on the remote controller 40.
  • the next consecutive channel will be displayed in the highlighted window 202B in the channel string at the head of the display, and schedule information for the newly selected channel will be displayed on the television receiver 27.
  • a user wishes to tune to a highlighted program that is currently airing, he can do so by simply depressing the ENTER key on the remote controller 40, and if the user wishes to view or record a program that airs at a future time, the user is again given the option of setting a REMINDER message or a VCR timer.
  • the scan feature may also be implemented in connection with modes of the guide other than FLIP and BROWSE that utilize full screen displays of program schedule information. For example, in the Channel Listings mode, a scan can be initiated so that the system automatically pages through multiple screens of listings as shown in Fig. 15 - each screen for a different time period and the same channel ⁇ displaying each page for a predetermined term. Similarly, in the By Time mode of an EPG where program schedule information for a plurality of channels and a single time period is displayed, the scan feature may be used to scan through the different channels. Scans may be initiated in the same manner as described above ⁇ by pressing and holding an up/down arrow key 43A or by pressing the SCAN key 50A.
  • a scan in either of these modes may be terminated by pressing the ENTER or OK key 44 or SCAN key 50A to stop the scan so as to permit the user to select a program for viewing (or set a REMINDER message or VCR timer) from the currently displayed page of program schedule information.
  • the electronic program guide could be configured to store a unique digital identifier for each program along with its schedule information and later use the identifier - e.g., by transmitting it - to indicate to a recording or storage device, such as a video recorder, that the user wishes to record the program.
  • the program guide could also use the identifier to automatically control operation of the video recorder.
  • the electronic program guide could also be configured to use other stored schedule information for this purpose.

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Abstract

Ce système électronique de programmation d'émissions utilise un récepteur destiné à recevoir des émissions de télévision, qu'il s'agisse d'émissions radiotélévisées, ou d'émissions transitant par satellite ou par câble, pour plusieurs canaux télévisuels, ainsi qu'un syntoniseur permettant d'accorder le récepteur de télévision à l'un des canaux sélectionnés. Une unité de traitement des données reçoit et stocke en mémoire une information concernant une programmation des émissions de télévision relative à plusieurs émissions de télévision passant sur les canaux télévisuels susmentionnés. Le spectateur utilise un équipement de commande utilisateur, une télécommande par exemple, pour sélectionner les instructions de commande et envoyer des signaux de réponse à l'unité de traitement des données recevant elle-même des signaux émis par ledit spectateur. Le récepteur de télévision est utilisé pour l'affichage des émissions et de l'information relative à la programmation des émissions. Un système de visualisation, qui reçoit des instructions de commande vidéo provenant de l'unité de traitement des données ainsi qu'une information concernant la programmation d'émissions, affiche une partie de cette information en la superposant à l'émission de télévision qui passe sur un canal selon au moins un mode opératoire du guide de programmation des émissions. L'unité de traitement des données agit sur le système de visualisation par le biais des instructions de commande vidéo produites en réponse aux instructions de commande fournies par l'utilisateur et ce, afin d'afficher l'information relative à la programmation d'émissions pour toute émission choisie en la superposant à l'émission, une au moins, qui passe sur l'un des canaux choisis du récepteur de télévision. Ce système comporte un dispositif de recherche par balayage permettant à l'utilisateur d'explorer les listes de programmation d'émissions de télévision à la recherche de plusieurs émissions dans l'un quelconque des modes opératoires du système et ce, en envoyant une seule instruction de commande utilisateur.
PCT/US1997/012589 1997-08-27 1997-08-27 Guide electronique de programmation d'emissions de television, systeme et technique de recherche automatique Ceased WO1999011060A1 (fr)

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AU43265/97A AU4326597A (en) 1997-08-27 1997-08-27 Electronic television program guide schedule system and method with scan fe ature

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