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WO2012018334A1 - Communication de données d'un système de réponse d'audience incorporant des signaux de sélection non utilisateur - Google Patents

Communication de données d'un système de réponse d'audience incorporant des signaux de sélection non utilisateur Download PDF

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Publication number
WO2012018334A1
WO2012018334A1 PCT/US2010/044477 US2010044477W WO2012018334A1 WO 2012018334 A1 WO2012018334 A1 WO 2012018334A1 US 2010044477 W US2010044477 W US 2010044477W WO 2012018334 A1 WO2012018334 A1 WO 2012018334A1
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WO
WIPO (PCT)
Prior art keywords
signal
user selection
response
transmitting
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/US2010/044477
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English (en)
Inventor
Jonathan Hallsten
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.)
TURNING TECHNOLOGIES LLC
Original Assignee
TURNING TECHNOLOGIES LLC
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 TURNING TECHNOLOGIES LLC filed Critical TURNING TECHNOLOGIES LLC
Priority to PCT/US2010/044477 priority Critical patent/WO2012018334A1/fr
Priority to US12/852,703 priority patent/US20120034590A1/en
Publication of WO2012018334A1 publication Critical patent/WO2012018334A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student

Definitions

  • the present application relates to an audience response system. More particularly, the present application relates to devices and methods for implementing data communication incorporating non user selection signals.
  • Audience response systems have been employed for users to communicate their responses to audience response questions. Such systems may be used in classroom settings, corporate meetings, or in other gatherings. These systems may include a base unit or host computer running the audience response session and a plurality of response devices. The response devices receive user selections and transmit signals encoding the user selections.
  • a method for a response device to wirelessly communicate data in an audience response system having a plurality of response devices includes transmitting a first signal, receiving a first acknowledgement signal indicating to the response device to transmit non user selection signals. The method further includes transmitting a non user selection signal in response to the first acknowledgement signal and receiving a second acknowledgement signal indicating to the response device to cease transmitting non user selection signals.
  • Figure 1 illustrates a schematic of an exemplary audience response system.
  • Figure 2 illustrates a front view of an exemplary embodiment of a response device in an audience response system.
  • Figure 3 illustrates an exemplary block diagram of a response device in an audience response system.
  • Figure 4 illustrates a flow chart an exemplary method for a response device in an audience response system having a plurality of response devices to wirelessly communicate data.
  • Data communication refers to a communication between two or more computing devices (e.g., computer, personal digital assistant, cellular telephone) and can be, for example, a network transfer, a file transfer, an applet transfer, an email, a hypertext transfer protocol (HTTP) transfer, and so on.
  • a computer communication can occur across, for example, a wireless system (e.g., IEEE 802.1 1 , IEEE 802.15), an Ethernet system (e.g., IEEE 802.3), a token ring system (e.g., IEEE 802.5), a local area network (LAN), a wide area network (WAN), a point-to-point system, a circuit switching system, a packet switching system, combinations thereof, and so on.
  • a wireless system e.g., IEEE 802.1 1 , IEEE 802.15
  • Ethernet system e.g., IEEE 802.3
  • a token ring system e.g., IEEE 802.5
  • LAN local area network
  • WAN wide area network
  • point-to-point system a circuit
  • Computer-readable medium refers to a medium that participates in directly or indirectly providing signals, instructions or data.
  • a computer-readable medium may take forms, including, but not limited to, non-volatile media, volatile media, and transmission media.
  • Non-volatile media may include, for example, optical or magnetic disks, and so on.
  • Volatile media may include, for example, optical or magnetic disks, dynamic memory and the like.
  • Transmission media may include coaxial cables, copper wire, fiber optic cables, and the like. Transmission media can also take the form of electromagnetic radiation, like that generated during radio-wave and infra-red data communications, or take the form of one or more groups of signals.
  • a computer-readable medium include, but are not limited to, a floppy disk, a flexible disk, a hard disk, a magnetic tape, other magnetic media, a CD-ROM, other optical media, punch cards, paper tape, other physical media with patterns of holes, a RAM, a ROM, an EPROM, a FLASH-EPROM, or other memory chip or card, a memory stick, a carrier wave/pulse, and other media from which a computer, a processor or other electronic device can read.
  • Signals used to propagate instructions or other software over a network like the Internet, can be considered a "computer-readable medium.”
  • Data store refers to a physical or logical entity that can store data.
  • a data store may be, for example, a database, a table, a file, a list, a queue, a heap, a memory, a register, and so on.
  • a data store may reside in one logical or physical entity or may be distributed between two or more logical or physical entities.
  • logic includes but is not limited to hardware, firmware, software or combinations of each to perform a function(s) or an action(s), or to cause a function or action from another logic, method, or system.
  • logic may include a software controlled microprocessor, discrete logic like an application specific integrated circuit (ASIC), a programmed logic device, a memory device containing instructions, or the like.
  • ASIC application specific integrated circuit
  • Logic may include one or more gates, combinations of gates, or other circuit components.
  • Logic may also be fully embodied as software. Where multiple logical logics are described, it may be possible to incorporate the multiple logical logics into one physical logic. Similarly, where a single logical logic is described, it may be possible to distribute that single logical logic between multiple physical logics.
  • An "operable connection,” or a connection by which entities are “operably connected,” is one in which signals, physical communications, or logical communications may be sent or received.
  • an operable connection includes a physical interface, an electrical interface, or a data interface, but it is to be noted that an operable connection may include differing combinations of these or other types of connections sufficient to allow operable control.
  • two entities can be operably connected by being able to communicate signals to each other directly or through one or more intermediate entities like a processor, operating system, a logic, software, or other entity.
  • Logical or physical communication channels can be used to create an operable connection.
  • Signal includes but is not limited to one or more electrical or optical signals, analog or digital signals, data, one or more computer or processor instructions, messages, a bit or bit stream, or other means that can be received, transmitted or detected.
  • Software includes but is not limited to, one or more computer or processor instructions that can be read, interpreted, compiled, or executed and that cause a computer, processor, or other electronic device to perform functions, actions or behave in a desired manner.
  • the instructions may be embodied in various forms like routines, algorithms, modules, methods, threads, or programs including separate applications or code from dynamically or statically linked libraries.
  • Software may also be implemented in a variety of executable or loadable forms including, but not limited to, a stand-alone program, a function call (local or remote), a servelet, an applet, instructions stored in a memory, part of an operating system or other types of executable instructions.
  • Suitable software for implementing the various components of the example systems and methods described herein may be produced using programming languages and tools like Java, Java Script, Java.NET, ASP.NET, VB.NET, Cocoa, Pascal, C#, C++, C, CGI, Perl, SQL, APIs, SDKs, assembly, firmware, microcode, or other languages and tools.
  • Software whether an entire system or a component of a system, may be embodied as an article of manufacture and maintained or provided as part of a computer-readable medium as defined previously.
  • Another form of the software may include signals that transmit program code of the software to a recipient over a network or other communication medium.
  • a computer-readable medium has a form of signals that represent the software/firmware as it is downloaded from a web server to a user.
  • the computer-readable medium has a form of the software/firmware as it is maintained on the web server. Other forms may also be used.
  • User includes but is not limited to one or more persons, software, computers or other devices, or combinations of these.
  • Audience response system includes but is not limited to systems for interaction between audience members and an entity or entities that collect responses from the audience members. Audience members may be collocated or remote from each other or from an entity collecting the responses. Audience response systems may be used in conjunction with presentation software or may be used without presentation software. Audience response systems may take the form of a base as the entity collecting the responses and wired or wireless devices as the means for users to select their responses to the questions presented. Audience response systems may also take the form of interactive whiteboards where a whiteboard may be used as the means for users to select their responses to the questions presented.
  • FIG. 1 illustrates a schematic of an exemplary audience response system 100.
  • System 100 includes a plurality of response devices 1 10a-n. Although four response devices are shown, it should be understood that an audience response system may have as few as one response device or as many as hundreds, or even thousands, of response devices.
  • the response devices may be handheld devices, or may be embedded in a stationary object, such as a chair or desk.
  • the response devices may also be any other devices capable of communicating in an audience response system such as computers (e.g. laptop, PC, tablet, and so on), mobile phones, smart phones, etc.
  • the response devices may be dedicated devices or may be multi-task devices.
  • the system 100 also includes at least one base 120.
  • the base 120 receives data 130a from the response devices 1 10a-n and the base 120 transmits data 130b to the response devices 1 10a-n.
  • the response devices may be handheld devices, or may be embedded in a stationary object, such as a chair or desk.
  • the response devices may also be computers.
  • the response devices may be dedicated devices or may be multi-task devices.
  • the base 120 may be a computer (e.g. laptop, PC, tablet, and so on), multiple computers, a device connected to a computer, a device independent from a computer, and so on. Although a single base is shown, it should be understood that an audience response system may include several bases. In systems with multiple bases, each base may be configured to communicate with preselected response devices. Alternatively, each base may be configured to communicate with any response device.
  • the response devices 1 10a-n and the base 120 communicate data 130a-b wirelessly.
  • the response devices 1 10a-n and the base 120 transmit and receive radio frequency (RF) signals encoding the data.
  • the response devices 1 10a-n and the base 120 transmit and receive infrared (IR) signals encoding the data.
  • Figure 2 illustrates a front view of an exemplary embodiment of a response device 200.
  • the response device 200 is an exemplary embodiment of the response devices 1 10 shown in Figure 1.
  • the response device 200 communicates wirelessly in an audience response system, such as system 100 described above, having a plurality of response devices.
  • the device 200 includes a keypad 210 and a display 220.
  • other inputs may be employed, such as touch screens, dials, knobs, click wheels, roller balls, and roller pads.
  • other outputs may be employed, such as LED indicators.
  • the response device does not include a display.
  • the keypad 210 includes a plurality of alphanumeric keys and additional function keys for a user to enter information including responses to audience response questions during a polling or test session.
  • a user may also use the keypad 210 to enter other types of information including log-in or sign-in information, setup information, administrative information regarding a polling or testing session, and so on.
  • the keypad may include keys in other formats other than alpha-numeric or the keypad may include a touch screen.
  • exemplary input devices include touch screens, click wheels, roller balls, dials, knobs, and switches.
  • the display 220 is a liquid crystal display (LCD) configured to display various information related to audience response sessions (e.g. unit ID, user ID, question ID, response entered, response received, time left in the session, time left to answer a question, and so on).
  • the display 220 may also display device status information (e.g. on/off, battery life, transmission channel, and so on).
  • output devices may be employed instead of an LCD.
  • Exemplary output devices include touch screens and light emitting diodes (LED).
  • Figure 3 illustrates an exemplary block diagram illustrating components of a response device 300.
  • Device 300 includes a user input interface 310.
  • the user input interface 310 receives user selections.
  • a user selection may take the form of a key press in an alpha-numeric keypad such as keypad 210 described above.
  • the user input interface 310 may take the form of the alpha-numeric keypad 210.
  • the user input interface 310 may also take the form of various other user input interfaces (e.g. pointing device, wheel, soft keys, combinations thereof, and so on).
  • the device 300 further includes a user output interface 320.
  • the user output interface 320 may take the form of a display such as display 220 discussed above.
  • the user output interface 320 may also take the form of various other user output interfaces (e.g. light emitting diodes (LED), LED displays, liquid crystal displays (LCD), combinations thereof, and so on).
  • LED light emitting diodes
  • LCD liquid crystal displays
  • the device 300 also includes a processor 330.
  • the processor 330 operably connects to the user input interface 310 and the user output interface 320.
  • the processor 330 receives from the user input interface 310 data representing the user selections.
  • the device 300 further includes a signal generating logic 340.
  • the signal generating logic 340 operably connects to the processor 330.
  • the signal generating logic 340 generates signals encoding information for transmission in the audience response system. While Figure 3 shows the signal generating logic 340 as separate from the processor 330, it should be understood that the signal generating logic 340 may be a part of the processor 330.
  • the signal generating logic 340 is configured to generate user selection signals. After a user inputs a selection through the user input interface 310, data representing the user selection is transmitted to the processor 330. The processor 330 then transmits the data representing the user selection to the signal generating logic 340. In one embodiment, the processor 330 transmits data upon receipt. In an alternative embodiment, the processor 330 accumulates data related to multiple user selections before transmitting the data to the signal generating logic 340 or the signal generating logic 340 accumulates data related to multiple user selections upon receipt from the processor 330. The signal generating logic 340 then generates a user selection signal. A user selection signal would commonly encode data representing the user selection or multiple user selections.
  • the signal generating logic 340 is also configured to generate non user selection signals.
  • a non user selection signal is a signal generated not in response to a user selection.
  • a non user selection signal may include data where the response device 300 queries the base as to whether the response device 300 should remain in or exit a mode of operation.
  • the device 300 also includes a transceiver 350 which operably connects to the processor 330.
  • the transceiver 350 transmits the signals generated by the signal generating logic 340.
  • the transceiver 350 also receives acknowledgement signals.
  • Another device in the audience response system (for example the base 120 discussed above) transmits the acknowledgement signals in response to signals transmitted by the transceiver 350. For every signal transmitted by the transceiver 350, a corresponding acknowledgment signal is expected.
  • the transceiver 350 repeats transmission of a signal until the transceiver 350 receives the corresponding acknowledgment signal, until a predetermined number of retransmissions is reached, or until a predetermined time for receipt of the corresponding acknowledgment signal expires.
  • transceiver 350 is illustrated as separate from the processor 330, it should be understood that the transceiver 350 and processor 330 may be part of the same component.
  • the device 330 may include a transmitter and a separate receiver instead of a transceiver.
  • the transceiver 350 receives an acknowledgement signal encoding data indicating to the response device 300 to transmit subsequent non user selection signals.
  • the signal generating logic 340 generates non user selection signals and the transceiver 350 transmits the non user selection signals.
  • the response device 300 receives acknowledgement signals corresponding to each of the non user selection signals transmitted.
  • the signal generating logic 340 generates non user selection signals and the transceiver 350 transmits the non user selection signals until the transceiver 350 receives an acknowledgement signal encoding data indicating to the response device 300 not to transmit subsequent non user selection signals.
  • the user input interface 310 can receive user selections
  • the signal generating logic 340 can generate user selection signals
  • the transceiver 350 can transmit the user selection signals and receive acknowledgement signals corresponding to the user selection signals.
  • an acknowledgement signal encoding data indicating to the response device 300 to transmit subsequent non user selection signals also encodes data representing a length of time remaining in a session or a length of time left for a user to make user selections.
  • the user output interface 320 may be configured to indicate the length of time remaining in the session or the length of time left for the user to make user selections.
  • the processor 330 transmits instructions to the user output interface 320 to display information indicating to the user that time for making user selections has expired or that user selections are no longer accepted.
  • the response device 300 further includes an interval logic 360, which operably connects to the processor 330.
  • the interval logic 360 indicates time intervals for transmission of signals including subsequent non user selection signals.
  • the transceiver 350 is illustrated as separate from the processor 330, it should be understood that the transceiver 350 and processor 330 may be part of the same component.
  • the transceiver 350 transmits a first non user selection signal. After expiration of a first time interval generated by interval logic 360, the transceiver 350 transmit a second non user selection signal. After expiration of a second time interval, the transceiver 350 transmit a third non user selection signal, and so on.
  • time intervals are measured from the time of transmission of non user selection signals. In another embodiment, time intervals are measured from receipt of acknowledgement signals corresponding to the transmitted non user selection signals.
  • the interval logic 360 generates time intervals for transmission of subsequent non user selection signals that are of the same time length. In another embodiment, the interval logic 360 generates time intervals that are of different time lengths. In one embodiment, the interval logic 360 generates time intervals whose lengths are selected at random or at random from a range practical time lengths (e.g. microseconds, seconds, minutes, and so on) or from a set of discrete time lengths.
  • Example methods may be better appreciated with reference to the flow diagram of Figure 4. While for purposes of simplicity of explanation, the illustrated methodologies are shown and described as a series of blocks, it is to be appreciated that the methodologies are not limited by the order of the blocks, as some blocks can occur in different orders or concurrently with other blocks from that shown or described. Moreover, less than all the illustrated blocks may be required to implement an example methodology. Furthermore, additional or alternative methodologies can employ additional, not illustrated blocks.
  • blocks denote “processing blocks” that may be implemented with logic.
  • the processing blocks may represent a method step or an apparatus element for performing the method step.
  • a flow diagram does not depict syntax for any particular programming language, methodology, or style (e.g., procedural, object-oriented). Rather, a flow diagram illustrates functional information one skilled in the art may employ to develop logic to perform the illustrated processing. It will be appreciated that in some examples, program elements like temporary variables, routine loops, and so on, are not shown. It will be further appreciated that electronic and software applications may involve dynamic and flexible processes so that the illustrated blocks can be performed in other sequences that are different from those shown or that blocks may be combined or separated into multiple components. It will be appreciated that the processes may be implemented using various programming approaches like machine language, procedural, object oriented or artificial intelligence techniques.
  • methodologies are implemented as processor executable instructions or operations provided on a computer-readable medium.
  • a computer-readable medium may store processor executable instructions operable to perform the method of Figure 4. While the method is described being provided on a computer-readable medium, it is to be appreciated that other example methods described herein can also be provided on a computer-readable medium.
  • Figure 4 illustrates various actions occurring serially, it is to be appreciated that various actions illustrated in Figure 4 could occur substantially in parallel. While a number of processes are described, it is to be appreciated that a greater or lesser number of processes could be employed and that lightweight processes, regular processes, threads, and other approaches could be employed. It is to be appreciated that other example methods may, in some cases, also include actions that occur substantially in parallel.
  • Figure 4 illustrates a flow chart for an exemplary method 400 for a response device in an audience response system having a plurality of response devices to wirelessly communicate data.
  • the response device transmits a signal.
  • the signal could be a user selection signal or a non user selection signal.
  • the method 400 moves to 425 to determine whether to retransmit the signal.
  • Step 425 may determine whether to retransmit the signal based on a number of repeated transmissions of the signal without receiving the acknowledgement signal, or expiration of a time limit after the first transmission of the signal or some other time period.
  • the response device declares failure in the transmission of the signal and aborts transmission at 427. If the number of repeated transmissions or the time limit or time period has not been reached, the method 400 returns to 410 to retransmit the signal.
  • the response device determines whether the acknowledgement signal encodes data indicating to the response device to transmit subsequent non user selection signals.
  • the acknowledgement signal does not encode data indicating to the response device to transmit subsequent non user selection signals, at 440, the response device declares that the transmission is complete. If the acknowledgement signal encodes data indicating to the response device to transmit subsequent non user selection signals, at 450, the response device transmits a non user selection signal.
  • the method 400 may run two parallel tasks: one transmitting user selection signals and another transmitting non user selection signals. Thus, transmissions of user selection signals may intersperse transmissions of non user selection signals.
  • Step 465 may determine whether to retransmit the signal based on a number of repeated transmissions of the signal without receiving the acknowledgement signal, or expiration of a time limit after the first transmission of the signal or some other time period. If the number of repeated transmissions or the time limit or time period has been reached, the response device declares failure in the transmission of the signal and aborts transmission at 467. If the number of repeated transmissions or the time limit or time period has not been reached, the method 400 returns to 450 to retransmit the signal.
  • the method 400 returns to 430 to determines whether the acknowledgement signal encodes data indicating to the response device to transmit subsequent non user selection signals.
  • the device 300 and the method 400 may be used to transmit a response to a timed audience response question whose response includes multiple characters.
  • an audience response question may be: "what is the value of pi to two decimal points?" and the user may have 10 seconds to respond.
  • the response requires a user to select multiple characters (i.e., "3", “.”,”1 " and "4").
  • the response device receives the user selection and transmits a signal.
  • the response device receives an acknowledgement signal indicating to the response device to transmit subsequent non user selection signals. From that point on, the device transmits non user selection signals at time intervals and receives acknowledgement signals in response.
  • the device transmits a non user selection signal once a second. In other embodiments, the device transmits non user selection signals at intervals other than once a second.
  • the acknowledgement signals may also indicate the time left to answer the question and a display in the response device may display the time left for the user to see.
  • the user can continue to enter the remaining characters in the response.
  • the response device may transmit characters encoded in user selection signals one character at a time as the user selects the characters.
  • the response device may instead transmit the characters all at once after the user has selected a carriage return key or after the time for responding expires.
  • the response device receives, in response to either a user selection signal or a non user selection signal, an acknowledgement signal indicating to the response device not to transmit subsequent non user selection signals.
  • a display on the response device may indicate to the user that the time to answer the question has expired or that responses are no longer accepted.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Un procédé permettant à un dispositif de réponse de communiquer des données de manière sans fil dans un système de réponse d'audience ayant une pluralité de dispositifs de réponse comprend les étapes suivantes : transmettre un premier signal, recevoir un premier signal d'accusé de réception indiquant au dispositif de réponse de transmettre des signaux de sélection non utilisateur. Le procédé inclut en outre la transmission d'un signal de sélection non utilisateur en réponse au premier signal d'accusé de réception et la réception d'un deuxième signal d'accusé de réception indiquant au dispositif de réponse de cesser de transmettre des signaux de sélection non utilisateur.
PCT/US2010/044477 2010-08-04 2010-08-04 Communication de données d'un système de réponse d'audience incorporant des signaux de sélection non utilisateur Ceased WO2012018334A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US2010/044477 WO2012018334A1 (fr) 2010-08-04 2010-08-04 Communication de données d'un système de réponse d'audience incorporant des signaux de sélection non utilisateur
US12/852,703 US20120034590A1 (en) 2010-08-04 2010-08-09 Audience response system data communication incorporating non user selection signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2010/044477 WO2012018334A1 (fr) 2010-08-04 2010-08-04 Communication de données d'un système de réponse d'audience incorporant des signaux de sélection non utilisateur

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US12/852,703 Continuation US20120034590A1 (en) 2010-08-04 2010-08-09 Audience response system data communication incorporating non user selection signals

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WO2012018334A1 true WO2012018334A1 (fr) 2012-02-09

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080194278A1 (en) * 2005-01-21 2008-08-14 Responsive Innovations Llc Wireless communication system
KR20090012507A (ko) * 2007-07-30 2009-02-04 정미영 질문―답변 서비스를 제공하는 장치 및 방법
US20090298442A1 (en) * 2005-01-21 2009-12-03 Responsive Innovations, Llc Transmitter controlled communication links

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080194278A1 (en) * 2005-01-21 2008-08-14 Responsive Innovations Llc Wireless communication system
US20090298442A1 (en) * 2005-01-21 2009-12-03 Responsive Innovations, Llc Transmitter controlled communication links
KR20090012507A (ko) * 2007-07-30 2009-02-04 정미영 질문―답변 서비스를 제공하는 장치 및 방법

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