JP2014049077A - Information exchange system, terminal, and stylus pen - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accomplish smooth transmission and reception of data between terminals as intended by a user.SOLUTION: A first terminal stores designated data designated with a stylus pen (hereinafter referred to as "pen") together with a clip ID, and transmits a signal D1 including the clip ID and a list of communicable means to the pen (S11 to S14). A second terminal, when there is an external pasting operation, transmits a signal R1 to the pen (S21 and S22). The pen having received R1 transmits D1 to the second terminal (S31 to S34). The second terminal, referencing the list included in D1, identifies a common communication formula, and transmits a signal R2 including the clip ID included in D1 to the first terminal by the common communication formula (S23 to S24). The first terminal transmits the designated data corresponding to the clip ID included in R2 to the second terminal by the common communication formula (S15 to S17). The second terminal pastes the designated data into a designated position (S26 and S27).

Description

  The present invention relates to a technique for transmitting and receiving data between a plurality of terminals using a stylus pen.

  2. Description of the Related Art In recent years, a technique has been proposed in which data transmission / reception between a plurality of information terminals such as a personal computer and a tablet terminal can be easily performed using a stylus pen.

  In JP-A-6-282375 (Patent Document 1), a stylus pen is provided with a memory and a communication device, the copy target data is sent from the first terminal to the stylus pen, and the copy target data is further transferred from the stylus pen to the second terminal. A technique for sending is disclosed. Thereby, the copy process from the first terminal and the paste process to the second terminal can be performed by an intuitive operation using the stylus pen.

  In JP 2009-230495 A (Patent Document 2), the memory in the stylus pen does not hold the copy target data itself but holds only the terminal information that can identify the first terminal, and the second terminal. Discloses a technique for transmitting only the terminal information. Thereby, since the copy target data itself is transmitted and received between the first and second terminals, there is no possibility of information leakage even if the stylus pen is lost.

  Further, in Patent Document 2, the stylus pen is not provided with a memory and a communication device, and after the user performs a copy operation from the first terminal using the stylus pen, the user uses the stylus pen to connect to the second terminal. After performing the paste operation, the second terminal measures the intensity of surrounding radio waves and issues a data transmission request to the terminal that outputs the strongest intensity. This eliminates the need to mount a memory or communication device on the pen in order to identify the communication partner.

JP-A-6-282375 JP 2009-230495 A

  By the way, when there are a plurality of data in a buffer for storing copy target data (hereinafter referred to as “clip buffer”), it is necessary for the user to specify the data to be copied at this time. However, if such identification is performed by an inquiry to the user, data cannot be exchanged smoothly.

  The present invention has been made to solve the above-described problems, and its object is to smoothly transmit and receive data intended by a user when transmitting and receiving data between a plurality of terminals using a stylus pen. To do.

  The information exchange system according to the present invention includes a first terminal, a second terminal, and a stylus pen capable of communicating with the first terminal and the second terminal. When the designated data designated by the stylus pen is to be copied, the first terminal stores the designated data together with the identification information for specifying the designated data, and transmits the identification information to the stylus pen. When the first terminal receives identification information from the second terminal or the stylus pen, the first terminal transmits designation data corresponding to the received identification information to the second terminal. When there is a paste operation with the stylus pen, the second terminal pastes the designated data received from the first terminal at a predetermined position.

  Preferably, one of the first terminal and the second terminal performs a communication with the other terminal indirectly through a stylus pen, so that a common communication method that allows direct communication between both terminals is used. Identify. The first terminal transmits designation data corresponding to the identification information to the second terminal using the common communication method.

  Preferably, the first terminal transmits identification information and a list of communication methods that can be used by the first terminal to the stylus pen when the designated data is to be copied. The stylus pen transmits the identification information and list received from the first terminal to the second terminal. The second terminal refers to the list received from the stylus pen, identifies the common communication method, and transmits the identification information received from the stylus pen to the first terminal using the common communication method. The first terminal transmits designation data corresponding to the identification information received from the second terminal to the second terminal using the common communication method.

  Preferably, the first terminal transmits authentication information to the stylus pen in addition to the identification information and the list when the designated data is to be copied. The stylus pen transmits authentication information to the second terminal in addition to the identification information and the list received from the first terminal. The second terminal transmits authentication information to the first terminal in addition to the identification information received from the stylus pen using the common communication method. The first terminal transmits designation data corresponding to the identification information received from the stylus pen to the second terminal when the authentication information received from the second terminal matches the authentication information transmitted to the stylus pen.

  Preferably, the first terminal transmits the identification information to the stylus pen when the designated data is to be copied. When the paste operation is performed, the second terminal transmits a list of communication methods that can be used by the second terminal to the stylus pen. The stylus pen transmits the identification information received from the first terminal and the list received from the second terminal to the first terminal. The first terminal refers to the list received from the stylus pen, identifies the common communication method, and transmits designation data corresponding to the identification information received from the stylus pen to the second terminal using the common communication method.

  Preferably, when there is a paste operation, the second terminal transmits authentication information to the stylus pen in addition to the list. The stylus pen transmits the identification information received from the first terminal and the list and authentication information received from the second terminal to the first terminal. The first terminal transmits authentication information received from the stylus pen to the second terminal in addition to the designation data corresponding to the identification information received from the stylus pen. When the authentication information received from the first terminal matches the authentication information transmitted to the stylus pen, the second terminal pastes the designated data received from the stylus pen at a predetermined position.

  An information exchange system according to another aspect of the present invention includes a first terminal, a second terminal, and a stylus pen capable of communicating with the first terminal and the second terminal. One terminal of the first terminal and the second terminal specifies a common communication method that allows direct communication between both terminals by performing communication with the other terminal indirectly through a stylus pen. The first terminal transmits the specified data specified by the stylus pen to the second terminal using the common communication method. The second terminal pastes the designated data received from the first terminal at a predetermined position.

  Preferably, the first terminal transmits a list of communication methods that can be used by the first terminal to the stylus pen when the designated data is to be copied. The stylus pen transmits the list received from the first terminal to the second terminal. When a paste operation is performed with the stylus pen, the second terminal specifies a common communication method with reference to the list received from the stylus pen, and transmits a request signal to the first terminal using the common communication method. When the first terminal receives the request signal from the second terminal, the first terminal transmits the designated data to the second terminal using the common communication method.

  Preferably, when there is a paste operation with the stylus pen, the second terminal transmits the communication method to the list stylus pen that can be used by the second terminal. The stylus pen transmits the list received from the second terminal to the first terminal. The first terminal refers to the list received from the stylus pen, identifies the common communication method, and transmits designation data to the second terminal using the common communication method.

  A terminal according to another aspect of the present invention is a terminal capable of communicating with a stylus pen. The terminal stores specified data together with identification information for specifying the specified data when the specified data specified by the stylus pen is to be copied, and transmits the identification information to the stylus pen; And a second processing unit that transmits designation data corresponding to the received identification information to the other terminal when the identification information is received from the other terminal or the stylus pen.

  A terminal according to another aspect of the present invention is a terminal capable of communicating with a stylus pen. This terminal indirectly communicates with another terminal via a stylus pen, thereby specifying a first processing unit that identifies a common communication method capable of directly communicating with the other terminal, and a stylus pen. And a second processing unit that transmits the designation data designated by the above to another terminal using a common communication method.

  A terminal according to another aspect of the present invention is a terminal capable of communicating with a stylus pen. The terminal includes a first processing unit that receives identification information for specifying designation data stored in another terminal when a paste operation is performed using a stylus pen, and an identification received from the stylus pen. A second processing unit that requests the other terminal to transmit the designated data corresponding to the information; and a third processing unit that pastes the designated data received from the other terminal at a predetermined position.

  A terminal according to another aspect of the present invention is a terminal capable of communicating with a stylus pen. In this terminal, a first processing unit that transmits a list of usable communication methods to the stylus pen, and a second processing unit that pastes designated data received from another terminal using any of the usable communication methods into a predetermined position. A processing unit.

  A stylus pen according to another aspect of the present invention is a stylus pen capable of communicating with a first terminal and a second terminal. When the stylus pen receives identification information for specifying the designation data stored in the first terminal from the first terminal, the stylus pen stores the first processing unit that stores the identification information, and the first terminal and the second terminal. A second processing unit that transmits the identification information and the list to the other terminal when a list of communication methods that can be used by the one terminal is received from the one terminal;

  According to the present invention, when data transmission / reception (typically copying and pasting) is performed between a plurality of terminals using a stylus pen, data transmission / reception intended by the user can be performed smoothly.

It is a schematic block diagram (the 1) of an information exchange system. It is a flowchart (the 1) which shows an example of the procedure of the copy / paste process between terminals by an information exchange system. It is a figure which shows an example of the screen transition of a 1st terminal. It is a figure which shows an example of the screen transition of a 2nd terminal. It is a schematic block diagram (the 2) of an information exchange system. It is a flowchart (the 2) which shows an example of the procedure of the copy / paste process between terminals by an information exchange system.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same parts are denoted by the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.
[Embodiment 1]
FIG. 1 is a schematic configuration diagram of an information exchange system 1 according to the present embodiment. The information exchange system 1 includes a first terminal 10, a second terminal 20, and a stylus pen 30 that can communicate with the first terminal 10 and the second terminal 20. The number of terminals that can communicate with the stylus pen 30 is not limited to two (the first terminal 10 and the second terminal 20), and may be three or more.

  The first terminal 10 includes an input unit 11, a display unit 12, a control unit 13, a storage unit 14, and a communication unit 15. The input unit 11 is configured with a touch panel that allows operation input with the stylus pen 30. The display unit 12 is a display arranged on the back side of the input unit 11 (touch panel), and displays various information to the user based on instructions from the control unit 13. The storage unit 14 stores necessary information based on a command from the control unit 13.

  The communication unit 15 of the first terminal 10 includes a plurality of communication units 16 to 18 that perform communication using different communication methods. In the following description, the communication unit 16 can perform near field communication (hereinafter referred to as “NFC communication”), the communication unit 17 can perform Bluetooth (registered trademark) communication, and the communication unit 18 can perform wireless LAN communication. Is described as being possible.

  The basic structure of the second terminal 20 is the same as that of the first terminal 10. The second terminal 20 includes an input unit 21, a display unit 22, a control unit 23, a storage unit 24, and a communication unit 25. The input unit 21 is configured with a touch panel that allows operation input with the stylus pen 30. The display unit 22 is a display arranged on the back side of the input unit 21 (touch panel), and displays various information to the user based on instructions from the control unit 23. The storage unit 24 stores necessary information based on a command from the control unit 23.

  The communication unit 25 of the second terminal 20 includes a plurality of communication units 26 to 29 that perform communication using different communication methods. In the following description, the communication unit 26 can perform NFC communication, the communication unit 27 can perform Bluetooth (registered trademark) communication, the communication unit 28 can perform wireless LAN communication, and the communication unit 29 can perform mobile communication. Is described as being possible.

  The stylus pen 30 includes a control unit 31, a storage unit 32, and a communication unit 33. The storage unit 32 stores necessary information based on a command from the control unit 31. The communication unit 33 is configured to allow NFC communication. Therefore, the stylus pen 30 can perform NFC communication with the communication unit 16 of the first terminal 10 and with the communication unit 26 of the second terminal 20.

  The information exchange system 1 having the above-described configuration is a process for pasting data stored in the first terminal 10 to the second terminal 20 based on the operation of the stylus pen 30 by the user (hereinafter simply referred to as “between terminals”). Copy / paste processing).

  FIG. 2 is a flowchart showing an example of the procedure of inter-terminal copy / paste processing by the information exchange system 1. Of the three flowcharts shown in FIG. 2, the flowchart on the left is a processing procedure performed by the first terminal 10 (specifically, the control unit 13), and the flowchart on the right is the second terminal 20 (specifically, the control unit 23). ) And the central flowchart is the processing procedure performed by the stylus pen 30 (specifically, the control unit 31). These flowcharts are repeatedly executed at predetermined intervals.

  First, the processing procedure of the first terminal 10 (the flowchart shown on the left side of FIG. 2) will be described.

  In S11, the first terminal 10 determines whether or not there is an external copy operation. The “external copy operation” is an operation in which designated data designated by the user using the stylus pen 30 is a target of external copy.

  If there is no external copy operation (NO in S11), first terminal 10 moves the process to S15.

  On the other hand, if there is an external copy operation (YES in S11), the first terminal 10 moves the process to S12, assigns a clip ID to the designated data, and assigns the designated data together with the clip ID to the clip buffer in the storage unit 14. To remember. The “clip ID” is identification number information for specifying data designated by the user as an external copy target among the data stored in the clip buffer.

  In subsequent S13, the first terminal 10 randomly generates a value and stores the generated value in the storage unit 14 as a token (authentication information).

  In subsequent S14, the first terminal 10 displays “Clip ID” assigned in the process of S12, “Token” generated in the process of S13, and “Communication available” indicating the communication method that can be used by the first terminal 10. A data signal D1 including “means list” is transmitted to the stylus pen 30 by NFC communication.

  The communicable means list can be in the form of {priority, communication method name, address of first terminal 10 used in the communication method}, for example. The priority may be set in advance by the user. In the present embodiment, the stylus pen 30 has a communicable means list with the contents {priority: medium, wireless LAN, local IP address}, {priority: low, Bluetooth (registered trademark), Bluetooth (registered trademark) address}. Shall be sent to

  In S15, the first terminal 10 determines whether or not the request signal R2 has been received from the second terminal 20. The request signal R2 includes “token” and “clip ID” as will be described later.

  If request signal R2 has not been received (NO in S15), first terminal 10 ends the process.

  On the other hand, when the request signal R2 is received (YES in S15), the first terminal 10 moves the process to S16 and generates and generates the token included in the request signal R2 received from the second terminal 20 and the process of S13. It is determined whether or not the stored token matches.

  If the tokens match (YES in S16), the first terminal 10 moves the process to S17, reads the designation data corresponding to the clip ID included in the request signal R2 received from the second terminal 20, from the clip buffer, The read designated data is transmitted to the second terminal 20 by the same communication method as the communication method that received the request signal R2.

  On the other hand, if the tokens do not match (NO in S16), the first terminal 10 moves the process to S18 and transmits an error message to the second terminal 20 by the same communication method as the communication method that received the request signal R2.

  Next, a processing procedure of the second terminal 20 (a flowchart shown on the right side of FIG. 2) will be described.

  In S21, second terminal 20 determines whether or not there is an external paste operation. The “external paste operation” is an operation in which the user uses the stylus pen 30 to request the second terminal 20 to paste external data on the screen of the second terminal 20.

  When there is no external paste operation (NO in S21), second terminal 20 moves the process to S26.

  On the other hand, when there is an external paste operation (YES in S21), the second terminal 20 moves the process to S22 and transmits the request signal R1 to the stylus pen 30 by NFC communication.

  In subsequent S23, the second terminal 20 receives the data signal D1 transmitted from the stylus pen 30 by NFC communication in response to the request signal R1. As will be described later, the data signal D1 is the same as the data signal D1 transmitted from the first terminal 10 to the stylus pen 30 in the process of S14. Therefore, the data signal D1 received by the second terminal 20 from the stylus pen 30 includes the clip ID, the token, and the communicable means list of the first terminal 10.

  In S24, the second terminal 20 refers to the communicable means list of the first terminal 10 included in the data signal D1 received from the stylus pen 30, and can use the communication method (usable with the first terminal 10) ( The presence / absence of “common communication method” is determined. The second terminal 20 performs processing for specifying a communication method that can be used also by the second terminal 20 in descending order of priority shown in the communicable means list of the first terminal 10. Then, the second terminal 20 determines that there is a common communication method when the communication method can be specified, and determines that there is no common communication method otherwise.

  If there is no common communication method (NO in S24), the second terminal 20 moves the process to S29 and displays error information (error pop-up) on the screen of the display unit 22.

  If there is a common communication method (YES in S24), second terminal 20 advances the process to S25. In the present embodiment, “wireless LAN” and “Bluetooth (registered trademark)” can be communicated between the first terminal 10 and the second terminal 20, but “wireless LAN” having a higher priority is used. Identified as a common communication method.

  In S25, the second terminal 20 uses the specified common communication method (in this embodiment, “wireless LAN” as described above) and is included in the data signal D1 received from the stylus pen 30 in the process of S23. The request signal R2 including the token and the clip ID to be transmitted is transmitted to the first terminal 10.

  In subsequent S26, the second terminal 20 determines whether or not the designated data transmitted from the first terminal 10 has been received in response to the request signal R2.

  When the designation data from first terminal 10 is received (YES in S26), second terminal 20 moves the process to S27, and uses the designation data received from first terminal 10 as a stylus on the screen of display unit 22. Paste to the position specified by the pen 30.

  On the other hand, when the designated data from first terminal 10 has not been received (NO in S26), second terminal 20 moves the process to S28, and determines whether or not error information from first terminal 10 has been received. judge.

  If error information has not been received (NO in S28), second terminal 20 ends the process.

  On the other hand, when error information is received (YES in S28), the second terminal 20 moves the process to S29 and displays error information (error pop-up) on the screen of the display unit 22.

  Next, a processing procedure of the stylus pen 30 (a flowchart shown in the center of FIG. 2) will be described.

  In S31, the stylus pen 30 determines whether or not the data signal D1 from the first terminal 10 has been received. As described above, the data signal D1 includes the clip ID, the token, and the communicable means list of the first terminal 10.

  If data signal D1 has not been received (NO in S31), stylus pen 30 ends the process.

  On the other hand, when data signal D1 is received (YES in S31), stylus pen 30 moves the process to S32 and stores data signal D1 in storage unit 32.

  In subsequent S33, the stylus pen 30 determines whether or not the request signal R1 from the second terminal 20 has been received.

  If request signal R1 has not been received (NO in S33), stylus pen 30 ends the process.

  On the other hand, when the request signal R1 is received (YES in S33), the stylus pen 30 moves the process to S34, reads the data signal D1 stored in the storage unit 32, and transmits it to the second terminal 20.

  FIG. 3 is a diagram illustrating an example of screen transition of the first terminal 10 when the user performs an external copy operation. Note that the screen transition shown in FIG. 3 is merely an example, and is not limited to such a screen transition.

  When the user designates data to be copied on the screen of the first terminal 10 with the stylus pen 30, the screen of the first terminal 10 transitions from the screen shown on the left side of FIG. 3 to the screen shown in the center, and the specified data is underlined. Is drawn. Thereafter, when the user long presses the designated data with the stylus pen 30 (presses for a predetermined time or more), the screen of the first terminal 10 changes from the screen shown in the center of FIG. 3 to the screen shown on the right side, and operation menus are listed. The sub screen is displayed. When the user selects “copy to outside” from the operation menu with the stylus pen 30, the first terminal 10 determines that an external copy operation has been performed.

  Thereafter, the first terminal 10 stores the specified data (underlined data) together with the clip ID as external copy target data, generates and stores the token, and then the data signal D1 including the clip ID, the token, and the communicable means list. Is transmitted to the stylus pen 30.

  FIG. 4 is a diagram illustrating an example of screen transition of the second terminal 20 when the user performs an external paste operation on the second terminal 20. Note that the screen transition shown in FIG. 4 is merely an example, and is not limited to such a screen transition.

  When the user designates a position to paste on the screen of the second terminal 20 with the stylus pen 30 and long presses the position (presses for a predetermined time or more), the screen of the second terminal 20 is changed from the screen shown on the left side of FIG. A transition is made to the screen shown in the center, and a sub-screen listing operation menus is displayed. When the user selects “Paste from outside” in the operation menu with the stylus pen 30, the request signal R 1 is transmitted from the second terminal 20 to the stylus pen 30.

  In response to the request signal R1, the data signal D1 is transmitted from the stylus pen 30 to the second terminal 20. The second terminal 20 that has received the data signal D1 from the stylus pen 30 identifies the common communication method with reference to the communicable means list of the first terminal 10 included in the data signal D1, and the token included in the data signal D1 And the request signal R2 including the clip ID is transmitted to the first terminal 10 by the common communication method.

  The first terminal 10 that has received the request signal R2 transmits the specified data corresponding to the clip ID included in the request signal R2 to the second terminal 20 by the common communication method on condition that the tokens match. .

  The second terminal 20 that has received the designated data from the first terminal 10 pastes the received designated data at the designated position. As a result, the screen of the second terminal 20 transitions from the screen shown at the center side in FIG. 4 to the screen shown on the right side, and the designation data from the first terminal 10 is displayed at the designated position on the screen of the second terminal 20. .

  As described above, when the information exchange system 1 according to the present embodiment performs inter-terminal copy / paste processing using the stylus pen 30, the clip ID for specifying the external copy target data is automatically set between the terminals. Send and receive. Therefore, even when there is a plurality of data in the clip buffer of the copy source terminal (first terminal 10) or when other data is added to the clip buffer of the copy source terminal by another operation, the data intended by the user is not displayed. Send and receive smoothly. Further, since the clip ID is transmitted and received, it is also possible to continuously paste from one copy source terminal to a plurality of copy destination terminals.

  In addition, the information exchange system 1 according to the present embodiment indirectly communicates between the copy source terminal (first terminal 10) and the copy destination terminal (second terminal 20) via the stylus pen 30. A communication method that can be used between terminals is automatically specified, and data of the copy source terminal is directly transmitted to the copy destination terminal using the specified communication method. Therefore, even between terminals that transmit and receive data for the first time, data transmission and reception between terminals can be performed smoothly with a simple operation of simply operating the stylus pen 30. That is, for example, when data is sent from a terminal owned by itself to a terminal owned by a person who has been in a meeting by chance, it is not clear whether communication is possible between the terminals. For this reason, it is usually necessary to confirm with each other that they and others who have been together by chance, such as "What communication methods can be used?" I can't. However, such a problem can be solved in the information exchange system 1 according to the present embodiment.

  The stylus pen 30 stores the data signal D1 from the first terminal 10, but the data signal D1 includes the clip ID, but does not include the designation data itself corresponding to the clip ID. Therefore, information leakage can be avoided even if the stylus pen 30 is lost.

The data signal D1 stored in the stylus pen 30 is erased from the stylus pen 30 when a predetermined condition is satisfied (for example, when a predetermined time has elapsed since the stylus pen 30 received the data signal D1). May be. In this way, even if a legitimate user loses the stylus pen 30, other users can no longer specify the clip ID and the designation data corresponding to the clip ID, which is desirable in terms of security.
[Embodiment 2]
In the first embodiment described above, NFC communication is possible between the stylus pen 30 and the copy source terminal (first terminal 10), and between the stylus pen 30 and the copy destination terminal (second terminal 20). Was assumed.

  However, there may be a case where NFC communication cannot be performed between the stylus pen and the copy destination terminal. Even in such a case, communication between the stylus pen and the copy destination terminal can be realized by software by utilizing visible light communication. In the second embodiment, a case where data transmission / reception (copy and paste) is performed from a copy source terminal to a copy destination terminal by performing visible light communication between the stylus pen and the copy destination terminal will be described.

  FIG. 5 is a schematic configuration diagram of an information exchange system 1A according to the present embodiment. This information exchange system 1A includes a first terminal 10A, a second terminal 20A, and a stylus pen 30A.

  The first terminal 10A includes an input unit 11, a display unit 12, a control unit 13A, a storage unit 14, and a communication unit 15A. Since input unit 11, display unit 12, and storage unit 14 are the same as those described in the first embodiment, detailed description thereof will not be repeated here.

  15 A of communication parts contain the some communication parts 17 and 18 which communicate by a mutually different communication system. The communication units 17 and 18 are the same as those described in the first embodiment. The communication unit 17 can perform Bluetooth (registered trademark) communication, and the communication unit 18 can perform wireless LAN communication. That is, the communication unit 15A is obtained by removing the communication unit 16 capable of NFC communication from the communication unit 15 of the first terminal 10 described in the first embodiment.

  The second terminal 20A includes an input unit 21, a display unit 22, a control unit 23A, a storage unit 24, a communication unit 25A, and a visible light communication transmission unit 40. Since input unit 21, display unit 22, and storage unit 24 are the same as those described in the first embodiment, detailed description thereof will not be repeated here.

  The communication unit 25A includes a plurality of communication units 27 to 29 that perform communication using different communication methods. The communication units 27 to 29 are the same as those described in the first embodiment. The communication unit 27 can perform Bluetooth (registered trademark) communication, the communication unit 28 can perform wireless LAN communication, and the communication unit 29 can perform mobile communication. That is, the communication unit 25A is obtained by removing the communication unit 26 capable of NFC communication from the communication unit 25 of the second terminal 20 described in the first embodiment.

  The visible light communication transmission unit 40 transmits data by modulating the blinking of the display unit 22 (display) of the second terminal 20A as a pulse signal.

  The stylus pen 30A includes a control unit 31A, a storage unit 32, a communication unit 34, and a visible light communication reception unit 35. Since storage unit 32 is the same as that described in the first embodiment, detailed description thereof will not be repeated.

  The communication unit 34 is capable of Bluetooth (registered trademark) communication, and performs Bluetooth (registered trademark) communication with the communication unit 17 of the first terminal 10A. In the present embodiment, it is assumed that the stylus pen 30A is regularly used as an input device of the first terminal 10A, and preparations such as pairing for Bluetooth (registered trademark) communication are performed.

  The visible light communication receiving unit 35 is realized by, for example, a photodiode installed at the pen tip of the stylus pen 30A. If the visible light communication receiving unit 35 is realized by an image sensor, there is an advantage that characters written on paper can be recognized using the image sensor.

  The information exchange system 1A having the above configuration performs inter-terminal copy / paste processing by performing visible light communication between the stylus pen 30A and the second terminal 20A.

  FIG. 6 is a flowchart illustrating an example of a procedure of inter-terminal copy / paste processing by the information exchange system 1A. Among the three flowcharts shown in FIG. 6, the flowchart on the left is a processing procedure performed by the first terminal 10A (specifically, the control unit 13A), and the flowchart on the right is the second terminal 20A (specifically, the control unit 23A). ), And the central flowchart is a processing procedure performed by the stylus pen 30A (specifically, the control unit 31A). These flowcharts are repeatedly executed at predetermined intervals.

  First, the processing procedure of the first terminal 10A (the flowchart shown on the left side of FIG. 6) will be described.

In S101, first terminal 10A determines the presence or absence of an external copy operation.
If there is no external copy operation (NO in S101), first terminal 10A moves the process to S104.

  On the other hand, if there is an external copy operation (YES in S101), the first terminal 10A moves the process to S102, assigns a clip ID to the designated data, and assigns the designated data together with the clip ID to the clip buffer in the storage unit 14. To remember.

  In subsequent S103, the first terminal 10A transmits the clip ID assigned in S102 to the stylus pen 30A by Bluetooth (registered trademark) communication.

  In subsequent S104, the first terminal 10A determines whether or not the clip ID and the data signal D2 are received from the stylus pen 30A by Bluetooth (registered trademark) communication. As will be described later, this data signal D2 includes “token” and “communication means list of second terminal 20”.

  If clip ID and data signal D2 have not been received (NO in S104), first terminal 10A ends the process.

  On the other hand, when clip ID and data signal D2 are received (YES in S104), first terminal 10A moves the process to S105, and communication with second terminal 20A included in data signal D2 received from stylus pen 30A is possible. With reference to the means list, the presence / absence of a common communication method usable with the second terminal 20A is determined. The specific content of this process is the same as the process of S24 in FIG. That is, the first terminal 10A performs processing for specifying communication methods that can also be used by the first terminal 10A in descending order of priority shown in the communicable means list of the second terminal 20A. Then, the first terminal 10 </ b> A determines that there is a common communication method when the communication method can be specified, and determines that there is no common communication method when it is not.

  If there is no common communication method (NO in S105), the first terminal 10A moves the process to S107 and displays error information (error pop-up) on the screen of the display unit 12.

  On the other hand, if there is a common communication method (YES in S105), the first terminal 10A moves the process to S106, and uses the specified common communication method to specify data corresponding to the clip ID included in the data signal D2. Is transmitted to the second terminal 20A together with the token included in the data signal D2.

  Next, the processing procedure (the flowchart shown on the right side of FIG. 6) of the second terminal 20A will be described.

In S201, second terminal 20A determines the presence / absence of an external paste operation.
If there is no external paste operation (NO in S201), second terminal 20A moves the process to S204.

  On the other hand, when there is an external paste operation (YES in S201), the second terminal 20A moves the process to S202, randomly generates a value, and stores the generated value in the storage unit 24 as a token (authentication information). To do.

  In subsequent S203, the second terminal 20A displays the data signal D2 including the “token” generated in the process of S202 and the “communication means list” indicating the communication methods usable by the second terminal 20A. It transmits to the stylus pen 30 using the optical communication transmitter 40.

  Also in the present embodiment, as in the first embodiment, the communicable means list is in the format of {priority, communication method name, first terminal 10A address used in the communication method}, for example. can do. The priority may be set by the user in advance. In this embodiment, {priority: high, TCP / IP (mobile communication), global IP address}, {priority: medium, wireless LAN, local IP address}, {priority: low, Bluetooth (registered trademark) ), A Bluetooth (registered trademark) address} communication capable means list is transmitted to the stylus pen 30A using the visible light communication transmitter 40.

  In S204, second terminal 20A determines whether designated data and a token have been received from first terminal 10A.

  If the designated data and token have not been received (NO in S204), second terminal 20A ends the process.

  On the other hand, when the designated data and the token are received (YES in S204), second terminal 20A moves the process to S205, and the token received from first terminal 10A matches the token generated and stored in S202. It is determined whether or not to do.

  If the tokens match (YES in S205), second terminal 20A pastes the designation data received from first terminal 10A at the position designated with stylus pen 30A on the screen of display unit 22.

  On the other hand, if the tokens do not match (YES in S205), second terminal 20A displays error information (error popup) on the screen of display unit 22.

  Next, a processing procedure of the stylus pen 30A (a flowchart shown in the center of FIG. 6) will be described.

  In S301, stylus pen 30A determines whether or not the clip ID from first terminal 10A has been received via Bluetooth (registered trademark) communication.

  If the clip ID has not been received (NO in S301), stylus pen 30A ends the process.

  On the other hand, when the clip ID is received (YES in S301), the stylus pen 30A moves the process to S302 and stores the received clip ID in the storage unit 32.

  In subsequent S303, the stylus pen 30A determines whether or not the visible light communication receiver 35 has received the data signal D2 from the second terminal 20A.

  If data signal D2 has not been received (NO in S303), stylus pen 30A ends the process.

  On the other hand, when data signal D2 is received (YES in S303), stylus pen 30A moves the process to S304, reads the clip ID stored in storage unit 32, and sends data signal D2 together with the clip ID to the first terminal. 10A is transmitted via Bluetooth (registered trademark) communication.

  As described above, also in the information exchange system 1A according to the present embodiment, as in the first embodiment, when performing inter-terminal copy / paste processing using the stylus pen 30A, a clip for specifying external copy target data An ID is automatically transmitted and received between terminals, and a communication method that can be used between both terminals is automatically specified. Therefore, the same operational effects as in the first embodiment can be achieved.

  Furthermore, in the information exchange system 1A according to the present embodiment, communication between the stylus pen 30A and the copy destination terminal (second terminal 20A) is realized by utilizing visible light communication. The visible light communication transmitter can be realized by software if a display is mounted, and does not require special hardware, so that data can be exchanged with various types of terminals.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  1, 1A Information exchange system 10, 10A 1st terminal, 11, 21 input unit, 12, 22 display unit, 13, 13A, 23, 23A, 31, 31A control unit, 14, 24, 32 storage unit, 15, 15A, 16-18, 25, 25A, 26-29, 33, 34 Communication unit, 20, 20A Second terminal, 30, 30A stylus pen, 35 Visible light communication receiver, 40 Visible light communication transmitter.

Claims (14)

An information exchange system including a first terminal, a second terminal, and a stylus pen capable of communicating with the first terminal and the second terminal,
When the designated data designated by the stylus pen is to be copied, the first terminal stores the designated data together with identification information for specifying the designated data, and transmits the identification information to the stylus pen. And
When the first terminal receives the identification information from the second terminal or the stylus pen, the first terminal transmits the designation data corresponding to the received identification information to the second terminal;
The information exchange system, wherein the second terminal pastes the designated data received from the first terminal at a predetermined position when a paste operation is performed with the stylus pen. One terminal of the first terminal and the second terminal performs a communication with the other terminal indirectly through the stylus pen, so that a common communication method that enables direct communication between both terminals is established. Identify,
The information exchange system according to claim 1, wherein the first terminal transmits the designation data corresponding to the identification information to the second terminal using the common communication method. The first terminal sends the identification information and a list of communication methods that can be used by the first terminal to the stylus pen when the designated data is to be copied,
The stylus pen transmits the identification information and the list received from the first terminal to the second terminal;
The second terminal identifies the common communication method with reference to the list received from the stylus pen, and transmits the identification information received from the stylus pen to the first terminal using the common communication method. ,
The information exchange system according to claim 2, wherein the first terminal transmits the designation data corresponding to the identification information received from the second terminal to the second terminal using the common communication method. The first terminal transmits authentication information to the stylus pen in addition to the identification information and the list when the designated data is to be copied,
The stylus pen transmits the authentication information to the second terminal in addition to the identification information and the list received from the first terminal,
The second terminal transmits the authentication information to the first terminal in addition to the identification information received from the stylus pen using the common communication method,
The first terminal receives the designation data corresponding to the identification information received from the stylus pen when the authentication information received from the second terminal matches the authentication information transmitted to the stylus pen. The information exchange system according to claim 3, wherein the information exchange system transmits the information to the second terminal. The first terminal transmits the identification information to the stylus pen when the designated data is to be copied.
When the second terminal performs the paste operation, the second terminal transmits a list of communication methods that can be used by the second terminal to the stylus pen,
The stylus pen transmits the identification information received from the first terminal and the list received from the second terminal to the first terminal;
The first terminal refers to the list received from the stylus pen, identifies the common communication method, and uses the common communication method to specify the designation data corresponding to the identification information received from the stylus pen. The information exchange system according to claim 2, wherein the information exchange system is transmitted to the second terminal. When the paste operation is performed, the second terminal transmits authentication information to the stylus pen in addition to the list,
The stylus pen transmits the identification information received from the first terminal and the list and the authentication information received from the second terminal to the first terminal,
The first terminal transmits the authentication information received from the stylus pen to the second terminal in addition to the designation data corresponding to the identification information received from the stylus pen,
The second terminal pastes the designated data received from the stylus pen to the predetermined position when the authentication information received from the first terminal matches the authentication information transmitted to the stylus pen. The information exchange system according to claim 5. An information exchange system including a first terminal, a second terminal, and a stylus pen capable of communicating with the first terminal and the second terminal,
One terminal of the first terminal and the second terminal performs a communication with the other terminal indirectly through the stylus pen, so that a common communication method that enables direct communication between both terminals is established. Identify,
The first terminal transmits designation data designated by the stylus pen to the second terminal using the common communication method,
The information exchange system, wherein the second terminal pastes the designated data received from the first terminal at a predetermined position. The first terminal sends a list of communication methods that can be used by the first terminal to the stylus pen when the designated data is to be copied.
The stylus pen sends the list received from the first terminal to the second terminal;
The second terminal refers to the list received from the stylus pen when the paste operation is performed by the stylus pen, specifies the common communication method, and uses the common communication method to send a request signal to the second terminal. Send it to one terminal,
The information exchange system according to claim 7, wherein when the first terminal receives the request signal from the second terminal, the first terminal transmits the designated data to the second terminal using the common communication method. The second terminal transmits a list of communication methods that can be used by the second terminal to the stylus pen when a paste operation is performed by the stylus pen.
The stylus pen sends the list received from the second terminal to the first terminal;
The first terminal identifies the common communication method with reference to the list received from the stylus pen, and transmits the designated data to the second terminal using the common communication method. Information exchange system. A terminal that can communicate with the stylus pen,
A first processing unit that stores the designation data together with identification information for specifying the designation data when the designation data designated by the stylus pen is to be copied; and transmits the identification information to the stylus pen; ,
A second processing unit that transmits the designation data corresponding to the received identification information to another terminal when the identification information is received from another terminal or the stylus pen. A terminal that can communicate with the stylus pen,
A first processing unit that identifies a common communication method capable of directly communicating with the other terminal by indirectly performing communication with the other terminal via the stylus pen;
A terminal comprising: a second processing unit that transmits designation data designated by the stylus pen to the other terminal using the common communication method. A terminal that can communicate with the stylus pen,
A first processing unit that receives, from the stylus pen, identification information for specifying designation data stored in another terminal when a paste operation is performed by the stylus pen;
A second processing unit that requests the other terminal to transmit the designated data corresponding to the identification information received from the stylus pen;
And a third processing unit for pasting the designated data received from the other terminal at a predetermined position. A terminal that can communicate with the stylus pen,
A first processing unit that transmits a list of usable communication methods to the stylus pen;
A second processing unit that pastes specified data received from the other terminal using a communication method that can be used at a predetermined position. A stylus pen capable of communicating with the first terminal and the second terminal,
A first processing unit for storing the identification information when receiving identification information for specifying the designation data stored in the first terminal from the first terminal;
A second processing unit for transmitting the identification information and the list to the other terminal when receiving a list of usable communication methods of the one terminal from one of the first terminal and the second terminal; Provided with a stylus pen.

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