JP2008310583A - Mobile terminal and information terminal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable terminal and an information terminal device, which allow equipment externally connected to the portable terminal to utilize an e-mail function included in the portable terminal. <P>SOLUTION: The portable terminal 2 and the information terminal device 3 are provided with interface units 26, 34 for wired communication, respectively, so that it becomes possible to transfer data such as mail information, to display mail information from the portable terminal 2 on a display unit 33 of the information terminal device 3, and to use a keyboard 31 of the information terminal device 3 to prepare e-mail on the portable terminal 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an information terminal device such as a portable terminal and a computer having an electronic mail transmission / reception function.

  2. Description of the Related Art Conventionally, as an external device that is connected to a mobile terminal such as a mobile phone having an e-mail transmission / reception function and assists an e-mail input operation in the mobile terminal, there is an integrated device including a small keyboard and an interface unit. This external device assists the input work mainly by enabling document creation with a keyboard, and has a feature that characters can be easily input.

  Patent Document 1 discloses an external interface unit that is connected to a telephone terminal, a display unit that displays an e-mail content and a selection screen, and a storage unit that stores an e-mail address, a template file for creating a transmission document, an incoming e-mail, and the like. And a voice conversion unit for outputting the incoming mail as a voice and a control unit for controlling these units, and by operating the numeric keypad of the telephone terminal, the user can send and receive emails and is stored in the storage unit There is disclosed a technique capable of creating contents of an e-mail by editing a template or directly inputting.

  Further, in Patent Document 2, a short-distance wireless communication means such as Bluetooth (registered trademark) is used on a portable terminal such as a mobile phone equipped with a character input system on a display screen of a digital home appliance of a computer or interactive television. Techniques for inputting characters and for inputting characters remotely using a remote keyboard are disclosed.

JP 2001-109683 A JP 2003-058305 A

  However, the above-described prior art has the following problems. That is, the external device in which the small keyboard and the interface unit are integrated has limited functions, and thus has only limited usage such as document input.

  In the technique disclosed in Patent Document 1, there is no portion corresponding to the function keys and navigation keys attached to the telephone terminal on the computer keyboard, and it is difficult to fully utilize the functions of the telephone terminal. In addition, since the mail is created without being aware of the display state of the communication partner's terminal, it is impossible to provide an optimal display that matches the display state of the communication partner's terminal. Similarly, even in the technique disclosed in Patent Document 2, there is no portion corresponding to the function keys and navigation keys attached to the telephone terminal on the computer keyboard, and it is difficult to fully utilize the functions of the telephone terminal.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a mobile terminal and an information terminal device that can utilize an electronic mail function of the mobile terminal in a device externally connected to the mobile terminal. To do.

  The portable terminal of the present invention is a portable terminal having a mail transmission / reception function for transmitting / receiving an electronic mail, and transmits the display means and mail information displayed on the display means to an external information terminal apparatus, and the information terminal apparatus And a communication means for receiving information input at the operation unit.

  According to the above configuration, since the mail information displayed on the mobile terminal is transmitted to the information terminal device, the mail information of the mobile terminal can be viewed on the large screen of the information terminal device. Thereby, the electronic mail function which a portable terminal has can be utilized with the apparatus externally connected to a portable terminal.

  In the above configuration, the communication unit transmits terminal image information indicating a part or all of the appearance of the portable terminal to the information terminal device in addition to the mail information.

  According to the above configuration, in addition to the mail information displayed on the mobile terminal, terminal image information indicating part or all of the appearance of the mobile terminal is transmitted to the information terminal device. The terminal itself can be viewed on the screen of the information terminal device.

  Further, in the above configuration, a telephone book registration unit capable of registering a mail address of an electronic mail transmission destination and portable terminal information of the portable terminal of the transmission destination, and a transmission destination of the electronic mail from the registration information of the telephone book registration means. Selecting means for selecting, and when the mobile terminal information of the destination mobile terminal selected by the selection means is registered in the phone book registration means, the communication means starts from the destination mobile terminal. Is sent to the information terminal device.

  According to the above configuration, by registering in advance the mobile terminal information, which is the model information of the mobile terminal that is the destination of the mail, in the phone book, the e-mail address and the mobile terminal information are read from the phone book when creating an e-mail. Can be reflected on the screen of the information terminal device. Thereby, it is possible to perform a line feed at a position that matches the characteristics of the display means of the transmission destination portable terminal. In other words, because mobile phones have different specifications such as the number of liquid crystal dots and sizes for each model, line breaks are often made at unexpected locations depending on the model of the destination mobile phone. This type of problem can be avoided by confirming the model information on the information terminal device.

  In the above configuration, the communication unit transmits, to the information terminal device, terminal image information indicating a part or all of the appearance of the destination mobile terminal, in addition to the mail information from the destination mobile terminal. To do.

  According to the above configuration, since the terminal image information indicating a part or all of the appearance of the mobile terminal is transmitted to the information terminal device in addition to the mail information displayed on the mobile terminal of the mail transmission destination, the mail transmission The mail information of the previous mobile terminal and the mobile terminal itself can be viewed on the large screen of the information terminal device.

  In the above configuration, the communication unit transmits key assignment information of a keyboard for operating an electronic mail on the portable terminal to the information terminal device.

  According to the above configuration, the key assignment information for the keyboard for operating the electronic mail on the mobile terminal is transmitted to the information terminal device, so that the key for the electronic mail operation of the mobile terminal can be assigned to the keyboard of the information terminal device. Thereby, it is possible to create, add, or modify a mobile terminal mail in the information terminal device. That is, since the mail can be created on the mobile terminal with the information terminal device (for example, a personal computer), it can be created more easily than the mail on the mobile terminal. For example, when you are at your desk at the office and you receive an email on your mobile phone, you can easily reply using your computer screen and keyboard.

  The information terminal device of the present invention comprises a connection means for connecting to the portable terminal by wire or wireless, a display means, a display control means for displaying mail information sent from the portable terminal on the display means, a character If there is correction or additional input of characters or symbols in the input means with respect to the mail information displayed on the display means and input means for inputting or symbols, Communication means for transmitting mail rewrite information from the connection means to the portable terminal.

  According to the said structure, the mail information of a portable terminal can be displayed on the information terminal device side, or mail information can be rewritten.

  As described above, the present invention can easily create the contents of an electronic mail by mutually utilizing the communication function and mail function of the mobile terminal and the display function of the information terminal device. Furthermore, by reproducing the state displayed on the receiving side on the screen of the information terminal device based on the screen display information of the mobile terminal of the communication partner, it is possible to create an e-mail that can be easily viewed by the communication partner. Have.

BEST MODE FOR CARRYING OUT THE INVENTION

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments for carrying out the invention will be described in detail with reference to the drawings.

(Embodiment 1)
FIG. 1 is a block diagram showing a schematic configuration of a communication system according to Embodiment 1 of the present invention. In the figure, a communication system 1 according to the present embodiment includes a mobile terminal 2 such as a mobile phone and an information terminal device 3 such as a notebook personal computer, a desktop personal computer, and a PDA (Personal Digital Assistant). The portable terminal 2 includes a wireless unit 21 for performing communication via a base station (not shown), a communication antenna 22 used for the wireless unit 21, a numeric keypad, a power key, and various function setting application keys. A keyboard (KB) 23, a memory 24 for storing a phone book, an address book, photos, applications, etc., a display unit 25 for displaying various information, and an interface unit for connecting the portable terminal 2 and the information terminal device 3 to each other by wire. 26 and a control unit 27 that controls each unit of the apparatus.

  The information terminal device 3 includes a keyboard (KB) 31 for inputting numbers, alphabets, hiragana, katakana, etc., a memory 32 for storing data, a display unit 33 for displaying various information, an information terminal device 3 and a mobile phone. It mainly includes an interface unit 34 for connecting the terminal 2 by wire and a control unit 35 for controlling each unit of the apparatus. The portable terminal 2 and the information terminal device 3 are connected via an interface cable 4.

  In the portable terminal 2, the display unit 25 corresponds to a display unit. The interface unit 26 and the control unit 27 constitute a communication unit. The keyboard 23 and the control unit 27 constitute a selection unit. The memory 24 and the control unit 27 constitute a phone book registration unit. In the information terminal device 3, the interface unit 34 corresponds to a connection unit. The display unit 33 corresponds to display means. The control unit 35 corresponds to display control means. The keyboard 31 corresponds to input means. The interface unit 34 and the control unit 35 constitute a communication unit.

  FIG. 2 is a sequence diagram showing exchange of data between the mobile terminal 2 and the information terminal device 3. In the figure, first, an authentication request is sent from the mobile terminal 2 to the information terminal device 3. When the authentication is confirmed by the information terminal device 3, an authentication confirmation is sent from the information terminal device 3 to the mobile terminal 2. The operations up to here can be automatically performed when the mobile terminal 2 and the information terminal device 3 are connected by the interface cable 4. If authentication is performed between the mobile terminal 2 and the information terminal device 3 and the mobile terminal 2 is operating a mail (if the user is performing a mail operation on the mobile terminal 2), mail The mail information of the portable terminal 2 is transferred to the information terminal device 3 by the information transfer.

  Then, after the mobile terminal 2 and the information terminal device 3 are synchronized, data is exchanged. Thereby, both the keyboard 23 of the portable terminal 2 and the keyboard 31 of the information terminal device 3 can be used. For example, the mail content of the portable terminal 2 can be updated by inputting mail rewriting information from the keyboard 31 of the information terminal device 3. In addition, the mobile terminal 2 can make a disconnection request to the information terminal device 3 to disconnect the communication.

  FIG. 3 is a flowchart showing an operation in mail transmission / reception between the portable terminal 2 and the information terminal device 3. Connection is started between the portable terminal 2 and the information terminal device 3, and authentication is performed (step ST201). Next, it is determined whether the mail of the mobile terminal 2 is activated (step ST202). If the mail is activated, the mail information of the portable terminal 2 is transferred to the information terminal device 3 (step ST203), and the mail image of the portable terminal 2 is displayed on the display unit 33 of the information terminal device 3 (step ST207). Regarding character input, both the keyboard 31 of the information terminal device 3 and the keyboard 23 of the portable terminal 2 can be used for mail operation (step ST208). Then, it is determined whether or not the e-mail of the mobile terminal 2 has ended (step ST209). If the e-mail has ended, the connection between the mobile terminal 2 and the information terminal device 3 is released (step ST210).

  Here, when a folding portable terminal composed of an upper and lower case is taken as an example, the mail image is displayed on both the portable terminal 2 and the information terminal device 3 as shown in FIG. In addition to the mail image (not shown) for displaying the mail itself, the information terminal device 3 is a mobile terminal image including the upper casing of the mobile terminal 2 as shown in FIG. As described above, in addition to the upper casing of the mobile terminal 2, a mobile terminal image including the functional navigation key portion, and a mobile terminal image including the entire mobile terminal 2 as shown in FIG.

  For the mobile terminal image of the mobile terminal 2, data may be transmitted from the mobile terminal 2 to the information terminal device 3, or may be installed in the information terminal device 3 in advance as an application. Further, the mail image and the mobile terminal image displayed on the information terminal device 3 can be enlarged or reduced by operation, and the user can arbitrarily adjust the visibility and operability.

  In addition, regarding “function keys”, “navigation keys”, and the like that are in the portable terminal 2 but not in the information terminal device 3, some keys of the keyboard 31 of the information terminal device 3 can be assigned thereto.

  Further, by operating the keyboard 31 of the information terminal device 3, the display color of the corresponding key of the keyboard portion of the mobile terminal 2 displayed on the information terminal device 3 can be changed. Thereby, it is possible to prevent erroneous key input.

  In addition, by operating the keyboard 31 or mouse (not shown) of the information terminal device 3 to copy a file such as an image held by the information terminal device 3 to the attached file of the mobile terminal 2, the information terminal This can be done on the screen of the device 3.

  As described above, according to the communication system 1 according to the first embodiment, the mobile terminal 2 and the information terminal device 3 include the interface units 26 and 34 that can communicate with each other by wire, and the mobile terminal 2 is determined by the user. When a mail creation operation is performed, mail information is transmitted to the information terminal device 3 via the interface unit 26, and the information terminal device 3 displays the mail information sent from the mobile terminal 2 on the display unit 33. The electronic mail function of the mobile terminal 2 can be utilized in the information terminal device 3 that is externally connected to the mobile terminal 2.

  Further, in the information terminal device 3, mail creation in the mobile terminal 2 can be performed with the keyboard 31 of the information terminal device 3, so that mail creation can be performed more easily than creating mail with the numeric keypad of the mobile terminal 2. For example, when you are at your desk at a company and you receive a mail on your mobile phone, you can easily reply using your computer screen and keyboard.

  Further, in addition to displaying the mail information sent from the mobile terminal 2 in the information terminal device 3, it is sent from the mobile terminal 2 or one of the mobile terminals 2 stored in advance in the information terminal device 3. Since an image showing a part or the whole is displayed, it is possible to produce an atmosphere in which the mobile terminal 2 creates an email when creating an email.

  Further, in the information terminal device 3, “function keys”, “navigation keys”, etc. that are present in the mobile terminal 2 but not in the information terminal device 3 can be assigned to some keys of the keyboard 31 of the information terminal device 3. Efficiently create and send / receive emails.

  Moreover, in the information terminal device 3, when the keyboard 31 is operated, the display color of the corresponding key of the keyboard portion of the portable terminal 2 displayed on the information terminal device 3 is changed, so that erroneous key input can be prevented.

  Further, in the information terminal device 3, the user operates the keyboard 31 or the mouse (not shown) of the information terminal device 3 to copy a file such as an image held by the information terminal device 3 to the attached file of the mobile terminal 2. The operation can be performed on the screen of the information terminal device 3.

(Embodiment 2)
FIG. 5 is a block diagram showing a schematic configuration of a communication system according to Embodiment 2 of the present invention. In the figure, parts common to the communication system 1 of the first embodiment shown in FIG. 1 described above are denoted by the same reference numerals. In the communication system 1 according to the first embodiment described above, the interface for connecting the portable terminal 2 and the information terminal device 3 has a wired specification. However, the communication system 5 according to the second embodiment has a wireless specification.

  The mobile terminal 6 has a wireless communication module 61, and the interface unit 26 is connected to the wireless communication module 61. The wireless communication module 61 is connected with an antenna 62 for local communication. The information terminal device 7 includes a wireless communication module 71, and the interface unit 34 is connected to the wireless communication module 71. An antenna 72 for local communication is connected to the wireless communication module 71.

  The portable terminal 6 and the information terminal device 7 transmit and receive data by wireless communication using the wireless communication modules 61 and 71 and the antennas 62 and 72 for local communication. As the wireless communication modules 61 and 71, a short-range wireless communication module such as a wireless LAN or Bluetooth (registered trademark) or an infrared communication module is used.

  The memory 24 of the portable terminal 6 stores a telephone book including a mail address, and a mail address of a desired mail transmission partner can be selected by operating the keyboard 23. The phone book in the memory 24 also includes mobile terminal information that is model information of the mobile terminal that is the mail transmission destination. Here, the mobile terminal information includes the liquid crystal vertical and horizontal resolution of the mobile terminal 6, the character size, the character font, the character color, the appearance of the mobile terminal 6, the operation unit including the keyboard, navigation keys, and other man-machine interfaces, application software, etc. It is information which shows.

  Since the mobile terminal information varies depending on the model of the mobile terminal, it is preferable to register the mobile terminal information together with the mail address according to the model of the mobile terminal to which the mail is sent. By registering the mobile terminal information in advance, when the mobile terminal information is read from the phone book together with the mail address and reflected on the screen of the information terminal device 7 when the mail is created, the mobile terminal of the mail transmission partner The display can be enlarged or reduced in accordance with the specifications of the display unit (for example, the resolution and shape of the liquid crystal). For example, since the resolution and size of the liquid crystal are often different for each mobile phone model, the mobile phone that is the mail transmission destination may not be able to display depending on the size and resolution of the image. In addition, a line feed can be made at a position that matches the specification (for example, the number of characters per line) of the display unit of the mail transmission partner. For example, mobile phones may have different LCD resolutions and sizes depending on the model, character fonts displayed may vary depending on user settings, and if the number of characters per line displayed on the display unit differs, In the telephone, line breaks are often made at unexpected positions, but the present invention can solve this problem.

  If the mobile terminal information of the mobile terminal of the mail transmission partner selected by the user is in the phone book, the control unit 27 of the mobile terminal 6 sends the mail from the mobile terminal of the mail transmission partner (the code of this mobile terminal is 6A). Information is transmitted from the wireless communication module 61 to the information terminal device 7. In the information terminal device 7, the mail information of the mail transmission partner (mobile terminal 6 </ b> A) sent from the mobile terminal 6 is displayed on the display unit 33. As a result, the mail information of the mail transmission partner (mobile terminal 6A) can be viewed on the large screen of the information terminal device 7.

  Further, the control unit 27 transmits, from the wireless communication module 61 to the information terminal device 7, terminal image information indicating part or all of the appearance of the mobile terminal 6A, in addition to the mail information from the mobile terminal 6A as the mail transmission partner. It is also possible. The mobile terminal image of the mobile terminal 6A as the mail transmission partner may be transmitted to the information terminal device 7 as data from the mobile terminal 6A, or may be installed as an application in the information terminal device 7 in advance. It is also possible to enlarge or reduce the mail image and the mobile terminal image displayed on the information terminal device 7 by an operation. That is, the user can arbitrarily adjust the visibility and operability.

  Data exchange between the portable terminal 6 and the information terminal device 7 is the same as the content shown in the sequence diagram of FIG.

  FIG. 6 is a flowchart showing an operation in mail transmission / reception in the portable terminal 6 and the information terminal device 7. In the figure, connection is started between the portable terminal 6 and the information terminal device 7, and authentication is performed (step ST201). Next, it is determined whether or not the mail of the mobile terminal 6 is activated (step ST202). If the mail is activated, the mail information of the portable terminal 6 is transferred to the information terminal device 7 (step ST203). When mail is transferred, it is first determined whether or not the mail transmission partner is specified by the telephone book (step ST204). If the mail transmission partner is specified, whether the mobile terminal information of the mobile terminal 6A of the mail transmission partner is possessed. Judgment is made (step ST205). If the mobile terminal information of the mobile terminal 6A as the mail transmission partner is held, the mail image of the mobile terminal 6A as the mail transmission partner is displayed on the display unit 33 of the information terminal device 7 (step ST206). As described above, by having the mobile terminal information, it is possible to make a line break at a position that matches the specifications (liquid crystal resolution, shape, etc.) of the display unit 25 of the mobile terminal 6A as the mail transmission partner on the screen of the information terminal device 3. become.

  On the other hand, if the mail transmission partner is not specified in step ST204 or if the mobile terminal information of the mobile terminal 6A of the mail transmission partner is not included in step ST205, the mail image of the mobile terminal 6 is displayed on the information terminal device 7 ( Step ST207).

  Regarding the input of characters (including symbols), the mail operation can be performed using either the keyboard 31 of the information terminal device 7 or the keyboard 23 of the portable terminal 6 (step ST208).

  Then, it is determined whether or not the mail of the mobile terminal 6 has ended (step ST209). If the mail has not ended, the process returns to step ST204, and if the mail has ended, the connection between the mobile terminal 6 and the information terminal device 7 is established. Release (step ST210).

  Here, the mail image is displayed on both the portable terminal 6 and the information terminal device 7 as shown in FIG. Here, an example in which YES is selected in the determination (step ST205) of whether or not the mobile terminal information of the mobile terminal 6A as the mail transmission partner is held in the flowchart of FIG. 6 described above. Based on the mobile terminal information of the mobile terminal 6A as the mail transmission partner, the mail image from the mobile terminal 6A as the mail transmission partner is displayed on the display unit 33 of the information terminal device 7.

  As described above, the display data can be transmitted to the information terminal device 7 by registering the mobile terminal information of the mobile terminal 6A as the mail transmission partner in advance in the phone book of the mobile terminal 6. Further, the mobile terminal information may be registered in the information terminal device 7 as an application of the information terminal device 7. In addition, by designating an e-mail address, a name, or the like that can identify an individual from the portable terminal 6 side, the portable terminal information of the portable terminal 6 </ b> A as a mail transmission partner can be displayed on the information terminal device 7. Further, since the mobile terminal information of the mobile terminal 6A as the mail transmission partner may be updated, it is possible to update to the latest data and register it in the telephone directory during communication.

  In addition to the mail image that displays the mail itself, the information terminal device 7 includes a mobile terminal image including the upper casing of the mobile terminal 6A as the mail transmission partner, as shown in FIG. As described above, in addition to the upper casing of the mobile terminal 6A to which the mail is sent, the mobile terminal image including the functional navigation key portion is displayed, and the portions corresponding to the function keys and navigation keys not on the keyboard of the information terminal device 7 are displayed on the keyboard. It can also be assigned to a function key. Further, as shown in FIG. 8C, a mobile terminal image including the entire mobile terminal 6A as a mail transmission partner can be displayed.

  The e-mail information is normally held by the mobile terminal 6 for security, and the information terminal device 7 is used as a remote terminal. However, in the information terminal device 7 for which security is ensured, the mobile terminal 6 The information terminal device 7 can have the same mail information, and the mobile terminal 6 and the information terminal device 7 can be synchronized with each other so that the mail information is always the latest version.

  As described above, according to the communication system 5 according to the second embodiment, the mobile terminal 6 and the information terminal device 7 have the wireless communication modules 61 and 71 that can communicate with each other wirelessly, and the mobile terminal 2 When the creation operation is performed, the mail information is transmitted to the information terminal device 7 via the wireless communication module 61, and the information terminal device 7 displays the mail information sent from the portable terminal 6 on the display unit 33. The electronic mail function of the mobile terminal 6 can be utilized in the information terminal device 7 connected to the mobile terminal 6 externally.

  Further, when the mail transmission partner is designated and the mobile terminal information of the mobile terminal 6A of the mail transmission partner is held, the mail information from the mobile terminal 6A of the mail transmission partner is transmitted to the information terminal device 7. The mail information from the mobile terminal 6A of the mail transmission partner can be viewed on the large screen of the information terminal device 7, and the mail from the mail transmission partner can be easily read.

  In addition, by registering the mobile terminal information of the mobile terminal 6A in advance, when creating a mail, the mail address and the mobile terminal information are read from the phone book and reflected on the screen of the information terminal device 7 to A line feed can be made at a position that matches the specifications (the resolution and shape of the liquid crystal) of the display unit 25 of the mobile terminal 6A as the transmission partner.

  Further, in addition to the mail information displayed on the mobile terminal 6A of the mail transmission partner, terminal image information indicating a part or all of the appearance of the mobile terminal 6A is transmitted to the information terminal device 7, whereby the mail transmission partner The mobile terminal 6A mail information and the mobile terminal 6A itself can be viewed on the large screen of the information terminal device 7.

  FIG. 9 shows an image diagram of an application example of the mobile terminal 6 and the information terminal device 7 of the communication system 5 of the present embodiment. In FIG. 8, the image diagram is shown as text data. However, in the case of the image data as shown in FIG. It is conceivable that the display resolution and the display resolution of the portable terminal 6 are different. In such a case, the mobile terminal 6A to which the data is sent in advance can be displayed on the information terminal device 7 and the image data can be confirmed and transmitted. As a result, there is no problem that the image data is cut and cannot be seen. In particular, it can be used for transmitting image data captured by WQVGA (Wide Quarter VGA) or WVGA (Wide VGA) to a mobile terminal having a liquid crystal size of QVGA (Quarter VGA) or VGA (Video Graphic Array).

  The portable terminal 2 of the first embodiment has the same function as the function of the portable terminal 6 of the second embodiment, that is, the function of transmitting mail information from the portable terminal 6A of the mail transmission partner to the information terminal device 7. May be allowed.

  In the first embodiment, the interface between the portable terminal 2 and the information terminal device 3 is connected by wire so that the mail content of the portable terminal 6 can be displayed on the information terminal device 3. No. 2 is an interface in which the interface between the mobile terminal 6 and the information terminal device 7 is wirelessly connected so that the mail content of the mobile terminal 6A as a mail transmission partner can be displayed on the information terminal device 7, but wired and wireless The user can freely select the interface and the combination of the display method of the mail contents of the mobile terminal 6 and the mobile terminal 6A as the mail transmission partner.

  INDUSTRIAL APPLICABILITY The present invention has an effect that an electronic mail function possessed by a mobile terminal can be utilized in a device externally connected to the mobile terminal, and can be applied to a mobile terminal such as a mobile phone and an information terminal device such as a personal computer. is there.

The block diagram which shows schematic structure of the communication system which concerns on Embodiment 1 which concerns on this invention. FIG. 1 is a sequence diagram showing data exchange between a portable terminal and an information terminal device in the communication system of FIG. The flowchart for demonstrating the operation | movement in the mail operation in the portable terminal and information terminal device in the communication system of FIG. The figure which shows the usage condition of the portable terminal and information terminal device in the communication system of FIG. The block diagram which shows schematic structure of the communication system which concerns on Embodiment 2 which concerns on this invention. FIG. 5 is a flowchart for explaining the operation in the mail operation in the portable terminal and the information terminal device in the communication system of FIG. The figure which shows the usage condition of the portable terminal and information terminal device in the communication system of FIG. The figure which shows the usage condition of the portable terminal and information terminal device in the communication system of FIG. The figure which shows the usage condition of the portable terminal and information terminal device in the application example of the communication system of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 5 Communication system 2, 6, 6A Portable terminal 3, 7 Information terminal device 21 Radio | wireless part 22, 62, 72 Antenna 23, 31 Keyboard 24, 32 Memory 25, 33 Display part 26, 34 Interface part 27, 35 Control part 61, 71 Wireless communication module

Claims (6)

In a portable terminal having a mail transmission / reception function for transmitting / receiving an electronic mail,
Display means;
A communication means for transmitting the mail information displayed on the display means to an external information terminal device, and receiving information input at the operation unit of the information terminal device;
A mobile terminal comprising:   The mobile terminal according to claim 1, wherein the communication unit transmits terminal image information indicating a part or all of an appearance of the mobile terminal to the information terminal device in addition to the mail information. A phone book registration means capable of registering the e-mail destination e-mail address and the mobile terminal information of the destination mobile terminal;
Selecting means for selecting a destination of the e-mail from registration information of the telephone directory registration means;
With
When the mobile terminal information of the transmission destination mobile terminal selected by the selection means is registered in the telephone directory registration means, the communication means sends the mail information from the transmission destination mobile terminal to the information terminal device The portable terminal according to claim 1 or 2, wherein the portable terminal transmits to.   The said communication means transmits the terminal image information which shows a part or all of the external appearance of the said transmission destination portable terminal to the said information terminal device other than the mail information from the said transmission destination portable terminal. Mobile devices.   The portable terminal according to any one of claims 1 to 4, wherein the communication unit transmits key assignment information of a keyboard for operating electronic mail on the portable terminal to the information terminal device. Connection means for connecting the portable terminal according to any one of claims 1 to 5 in a wired or wireless manner,
Display means;
Display control means for displaying mail information sent from the portable terminal on the display means;
Input means for entering characters and symbols;
When there is correction or additional input of characters or symbols in the input means with respect to the mail information displayed on the display means, mail rewrite information by correction or additional input of characters or symbols is sent from the connection means to the portable terminal. A communication means for transmitting to
An information terminal device comprising:

Images