JP4809422B2 - Information display device and information display method - Google Patents

Description

  The present invention relates to an information display device and an information display method, and in particular, performs authentication for ensuring security with a simple operation, displays information on electronic paper, or hides information displayed on electronic paper. The present invention relates to an information display device and an information display method.

  In recent years, electronic paper having both the advantages of paper and the advantages of electronic displays has been researched and developed. If the information is displayed on the electronic paper, it may be touched by others and information may be leaked. For example, when the electronic paper is carried from the head office to a sales office, or when the electronic paper is brought into the house to perform home work, there is a risk that the electronic paper may be lost or stolen while moving. At that time, if the confidential data is displayed on the electronic paper or the contents can be easily displayed, there is a risk of information leakage.

  There are many documents such as resumes, contracts, questionnaires, and medical records that contain personal information so that they are not inadvertently touched by others. In the near future, there will be a need for electronic paper that will be able to hide information as needed for paper where information will always be displayed when electronic paper becomes available for general use in the near future. Since it is thought that the number will increase, electronic paper with security functions has been studied. In an electronic paper having a security function, for example, after performing an authentication operation such as password input or biometric authentication, an instruction to display stored information is given.

The following Patent Document 1 describes an electronic paper that requires an authentication operation when sending registered secret data to the outside, and that can send the secret data to the outside only when the authentication is correct.
JP 2005-115530 A

  According to a study by the present inventor, it is desirable that the authentication operation when displaying information on the electronic paper or hiding the information displayed on the electronic paper is as simple as possible. . Considering the fact that electronic paper has a thin shape and that electronic paper can be cheaper than ordinary PCs (personal computers), electronic paper may be used by all people in the future. . If it is an electronic paper that everyone uses, it is necessary to perform an information reference operation easily, and an authentication operation for ensuring security is required to be simple.

  In addition, according to the study of the present inventor, the conventional electronic paper performs authentication using a password, biometric authentication using the biometric information of the user of the electronic paper, etc. to ensure security. For example, it is necessary to input a password from the user or advance registration of complicated biological information, and the convenience is hindered. Therefore, there is a need for a mechanism for easily performing an authentication operation when displaying information on the electronic paper or hiding information displayed on the electronic paper.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an information display device that performs authentication for ensuring security with a simple operation and displays or hides information on electronic paper according to the authentication result.

  It is another object of the present invention to provide an information display method for performing authentication for ensuring security with a simple operation and displaying or hiding information on electronic paper according to the authentication result.

Information display device of the present invention is an information display device comprising an authentication device for authenticating the electronic paper and the electronic paper, the first and one of the other provided in the electronic paper provided in the authentication device a second position detecting means, when the electronic paper and said authentication device is superimposed at least in part, the relative position and the overlap state between the electronic paper and the authentication device, the first and one position in the electronic paper of the second position detecting means, and, first and second of said based on the position in the other of the authentication device of the first and second position detecting means, for detecting cooperate a position detecting means, provided in the authentication apparatus performs authentication processing based on a more sensed relative position and overlap state to the first and second position detecting means, Based on the testimony processing result, wherein the determination processing unit for transmitting a control signal to the electronic paper chromatography, provided in the electronic paper, in accordance with the prior SL control signal, switches the information displayed on the e-paper over Information Display means.

Preferably, in the information display device of the present invention, the information display means, a layout image is an image showing a region to overlap the previous SL authentication equipment displayed on the electronic paper, said determination processing unit, wherein the authentication apparatus if superimposed on the area where arrangement image is displayed in the electronic paper, and sends the control signal to the electronic paper.

  Preferably, in the information display device of the present invention, the information display unit further hides displayed character information or image information based on the transmitted control signal.

  Preferably, in the information display device of the present invention, the determination processing unit further performs device authentication processing for the electronic paper or the authentication device, and based on the location authentication processing result and the device authentication processing result. The control signal is transmitted.

Further, the information display method of the present invention is an information display method in the information display device including an authentication unit for authenticating the electronic paper and the electronic paper, the one of the other provided on the electronic paper the authentication device first and second position detecting means provided are, in the case where the electronic paper and said authentication device is superimposed at least in part, the relative position and the overlap state between the electronic paper and the authentication device , Based on the position of the first and second position detection means in the electronic paper and the position of the other of the first and second position detection means in the authentication device , the authentication device determination processing means provided in the row an authentication process based on the relative positions and the overlapping state detected by the first and second position sensing means , Based on the authentication process result, and sends a control signal to the electronic paper chromatography, the information display means provided in the electronic paper, in accordance with the prior SL control signal is displayed on the e-paper over Information Switch .

In the information display device and the information display method of the present invention, when the electronic paper and the authentication device are at least partially overlapped, the relative position and overlap state between the electronic paper and the authentication device are in a predetermined relationship. in, switch the information to be displayed on the electronic paper over. Therefore, by superimposing at least a portion between the electronic paper and the authentication device, it is possible to display information on an electronic paper or the authentication device. As a result, by performing authentication for security purposes by a simple operation of stacking the electronic paper and the authentication apparatus, it is possible to perform the display of information to the electronic paper chromatography according to the authentication result. Further, since the information is displayed on the electronic paper over only when the electronic paper and the position relationship between the predetermined relative positions and the overlapping state between the authentication device, it is possible to increase the security level, information leakage occurs dangerous Can be reduced.

  Further, the information display device of the present invention displays the arrangement image on the electronic paper or the authentication device, and when the authentication device or the electronic paper is superimposed on the arrangement image, the character information or on the electronic paper or the authentication device. Display image information. Therefore, the user of the information display device can display information on the electronic paper or on the authentication device, for example, by overlaying the electronic paper on the area where the arrangement image is displayed on the authentication device. As a result, it is possible to reduce the possibility of the user wondering where to put the electronic paper on the authentication device, or to mistake the area on which the electronic paper is to be stacked, thereby increasing the convenience of operation of the electronic paper. be able to. In addition, information can be prevented from being displayed on the electronic paper or the authentication device by simply superimposing the electronic paper on the authentication device. Therefore, for example, when the user tries to store the electronic paper and the authentication device in a bag, bag, drawer or storage binder, the information is displayed on the electronic paper against the user's will. Can be avoided.

  Further, the information display device of the present invention is provided on the electronic paper or the authentication device when the electronic paper and the authentication device are overlapped and the relative position between the electronic paper and the authentication device is in a predetermined relationship. The character information or image information displayed on the screen is hidden. Therefore, it is possible to perform authentication for ensuring security with a simple operation of overlapping the electronic paper and the authentication device, and to hide the information displayed on the electronic paper or on the authentication device according to the authentication result. It becomes possible.

  The information display device of the present invention displays character information or image information on the electronic paper or on the authentication device based on the position authentication processing result and the device authentication processing result for the electronic paper or the authentication device. Therefore, the forged electronic paper or the authentication device is not authenticated as a result of the device authentication process. As a result, according to the information display device of the present invention, the risk of information leakage can be further reduced.

It is a figure which shows an example of the system configuration | structure of this invention. It is a figure explaining an example of the function of a judgment processing means. It is a figure explaining an example of the function of a judgment processing means. It is a figure explaining an example of the function of a judgment processing means. It is a figure explaining the outline | summary of the display process of the information to electronic paper. It is a figure explaining the outline | summary of the non-display process of the information to electronic paper. It is a figure explaining detection of forgery of electronic paper. It is a figure explaining detection of forgery of electronic paper. It is a figure which shows an example of the flow of the data by one Embodiment of this invention. It is a figure which shows another example of the flow of the data by one Embodiment of this invention. It is a figure which shows another example of the flow of the data by one Embodiment of this invention. It is a figure which shows an example of the structure of electronic paper. It is a figure which shows an example of the structure of an authentication apparatus. It is a figure which shows an example of the cross section of electronic paper and an authentication apparatus. It is a figure explaining the reading process of ID number of a RFID tag. It is a figure explaining an example of a position detection process. It is a figure explaining an example of a position detection process. It is a figure explaining an example of a position detection process. It is a figure explaining the operation example of electronic paper. It is a figure explaining the operation example of electronic paper. It is a figure which shows the example of arrangement | positioning of the position detection means to an electronic paper. It is a figure which shows the example of a superimposition of electronic paper and an authentication apparatus. It is a figure explaining the reading process of the RFID tag when an authentication apparatus has comprised the curved surface. It is a figure which shows an example of the display instruction information transmission process flow of an authentication apparatus. It is a figure which shows an example of the information display processing flow of electronic paper. It is a figure explaining the example of a display process of the information to electronic paper. It is a figure which shows other embodiment of this invention. It is a figure which shows other embodiment of this invention.

Explanation of symbols

1 Information display device 2, 100, 101, 102 Electronic paper 2-1, 3-1 Surface 2-2, 3-2 Middle surface first layer 2-3, 3-3 Middle surface second layer 2-4, 3 -4 Back side 3 Authentication device 10 Personal authentication device 21, 21 ', 31 Position detection means 21-1, 21-2, 21-3 RFID tag 22, 22', 32 Information display means 23, 23 ', 33 Judgment processing means 24, 34 Information storage means 25, 35 Information transmission / reception means 26, 36 Power supply means 200 Wireless LAN card 201 TCG chip 202 Electromagnetic induction coil 210 Device 211 Facility layout 300 User

  FIG. 1 is a diagram showing an example of a system configuration of the present invention. The information display device 1 is a processing device that displays information on the electronic paper 2 or the authentication device 3 or hides information displayed on the electronic paper 2 or the authentication device 3. The information display device 1 includes an electronic paper 2 and an authentication device 3 that authenticates the electronic paper 2. The information display device 1 includes first and second position detection means (position detection means 21 and position detection means 31), determination processing means (determination processing means 23 or determination processing means 33), and information display means (information display). Means 22 or information display means 32). The first and second position detection means are provided in the electronic paper 2 and the authentication device 3, and are relative between the electronic paper 2 and the authentication device 3 when the electronic paper 2 and the authentication device 3 are stacked. Detect position. The determination processing means performs position authentication processing for determining whether or not the relative positions detected by the first and second position detection means have a predetermined relationship, and based on the position authentication processing result, the electronic paper 2 Alternatively, a control signal is sent to the authentication device 3. The information display means displays character information or image information on the electronic paper 2 or the authentication device 3 based on the transmitted control signal.

  In this example, in the information display device 1, the information display unit (the information display unit 22 or the information display unit 32) displays an arrangement image that is an image showing an area where the electronic paper 2 and the authentication device 3 are to be overlapped with the electronic paper 2. Or on the authentication device 3. The arrangement image is arrangement information indicating an area (or a relative position between the two) where the electronic paper 2 and the authentication device 3 are to be overlapped. In this case, when the determination processing unit (the determination processing unit 23 or the determination processing unit 33) has the authentication device 3 overlaid on the area where the arrangement image of the electronic paper 2 is displayed, or the arrangement image of the authentication device 3 is When the electronic paper 2 is superimposed on the displayed area, a control signal is sent to the electronic paper 2 or the authentication device 3. That is, a control signal is transmitted when the relative positions of the electronic paper 2 and the authentication device 3 are determined so as to follow the displayed arrangement information.

  The electronic paper 2 is a paper-like thin display medium that can rewrite and display a document or an image. The electronic paper 2 includes a position detection unit 21 and an information display unit 22. The position detection unit 21 causes the authentication device 3 to detect the position of the electronic paper 2 stacked on the authentication device 3. The information display unit 22 moves onto the electronic paper 2 based on a control signal (display instruction information or non-display instruction information) sent from the determination processing unit 33 of the authentication device 3 or the determination processing unit 23 of the electronic paper 2 described later. The character information or image information is displayed, or the character information or image information displayed on the electronic paper 2 is not displayed. The position detection unit 21 may detect the position of the authentication device 3 when the electronic paper 2 is stacked on the authentication device 3. The display instruction information is information for instructing display of character information and image information, and the non-display instruction information is information for instructing non-display of character information and image information. For example, according to the display instruction information, the information display unit 22 applies a voltage to the microcapsules containing the colored liquid and the white fine particles, and causes the white fine particles to perform electrophoresis to display information. The information display unit 22 may display information stored in a storage unit such as a memory chip built in the information display unit 22 or display information stored in an information storage unit 24 described later. You may make it do. In addition, the information display unit 22 may display a layout image that is an image showing an area in which the electronic paper 2 is superimposed on the authentication device 3.

  The authentication device 3 performs authentication when information is displayed on the electronic paper 2 or when information displayed on the electronic paper 2 is not displayed. The authentication device 3 includes a position detection unit 31 and a determination processing unit 33. The position detection unit 31 detects the position of the electronic paper 2 stacked on the authentication device 3. The determination processing unit 33 determines whether the position of the electronic paper 2 detected by the position detection unit 31 (relative position between the electronic paper 2 and the authentication device 3) is a predetermined position (the electronic paper 2 and the authentication device 3). Position authentication processing for determining whether or not the relative positions of the two are in a predetermined relationship), and based on the result of the position authentication processing, a control signal (display) Instruction information or non-display instruction information). If the position of the electronic paper 2 is authenticated by the position authentication processing by the determination processing means 33, the electronic paper 2 is correctly placed at a predetermined position on the authentication device 3. The position detection unit 31 may cause the electronic paper 2 to detect the position of the authentication device 3 when the electronic paper 2 is superimposed on the authentication device 3. According to one embodiment of the present invention, the user of the information display device 1 makes a determination with respect to the authentication device 3 (the determination processing unit 33) using an input unit (not shown) such as a keyboard. Information for instructing which of the display instruction information and the non-display instruction information is to be sent as the control signal by the processing means 33 can be set.

  The position detection means 21 provided in the electronic paper 2 and the position detection means 31 provided in the authentication device 3 are, for example, a light emitting diode (LED) and an optical sensor, an RFID (Radio Frequency Identification) tag, an RFID tag reader, and the like. In the embodiment of the present invention, a pressure sensor or a magnetic sensor may be used as the position detection unit 21 or the position detection unit 31.

  According to one embodiment of the present invention, as shown in FIG. 1, the information display means for displaying on the authentication device 3 the authentication device 3 displays an arrangement image that is an image showing a region where the electronic paper 2 is superimposed on the authentication device 3. 32 may be provided. Further, the information display means 32 receives text information or image information on the authentication device 3 based on the control signal sent from the judgment processing means 23 of the electronic paper 2 or the judgment processing means 33 in its own device (authentication device 3). May be displayed, or displayed character information or the like may be hidden. The information display means 32 may display information stored in a storage means such as a memory chip built in the information display means 32, or display information stored in an information storage means 34 described later. You may make it do.

  In addition, the determination processing unit 33 included in the authentication device 3 performs device authentication processing for the electronic paper 2, and the electronic paper 2 or the information display unit 32 is based on the device authentication processing result and the position authentication processing result described above. The control signal may be transmitted. Further, the determination processing unit 33 performs an authentication (environment authentication) process of the environmental state of the hardware or software in the authentication device 3, and based on the above-described position authentication process result, device authentication process result, and environment authentication process result. A control signal may be sent to the electronic paper 2 or the information display means 32. In addition, the determination processing unit 33 authenticates with the electronic paper 2 based on the device authentication processing result for the electronic paper 2 and the device authentication processing result for the authentication device 3 performed by the determination processing unit 23 of the electronic paper 2 described later. It is determined whether the device 3 is mutually authenticated, and the electronic paper 2 or information is determined based on the result of the position authentication process and the determination result regarding whether the electronic paper 2 and the authentication device 3 are mutually authenticated. A control signal may be sent to the display means 32. Note that the determination processing unit 33 performs device authentication processing on the own device (authentication device 3), and performs the electronic paper 2 or the information display unit 32 on the basis of the device authentication processing result and the above-described position authentication processing result. The control signal may be transmitted.

  According to one embodiment of the present invention, as shown in FIG. 1, the electronic paper 2 may further include a determination processing unit 23. In this case, the determination processing unit 23 determines whether the position of the authentication device 3 (relative position between the electronic paper 2 and the authentication device 3) detected by the position detection unit 21 is a predetermined position (authentication with the electronic paper 2). Position authentication processing is performed to determine whether the relative position with the device 3 is in a predetermined relationship), and control is performed on the information display unit 22 of the authentication device 3 or the electronic paper 2 based on the position authentication processing result. A signal (display instruction information or non-display instruction information) is transmitted. According to one embodiment of the present invention, the user of the information display device 1 uses the input means (not shown) such as a keyboard, for example, so that the judgment processing means 23 can display either display instruction information or non-display instruction information. Can be set in the judgment processing means 23. The determination processing unit 23 performs device authentication processing for the authentication device 3 and sends a control signal to the authentication device 3 or the information display unit 22 based on the device authentication processing result and the above-described position authentication processing result. It may be. Further, the determination processing unit 23 performs an authentication (environment authentication) process of the environmental state of the hardware or software in the electronic paper 2, and based on the above-described position authentication process result, device authentication process result, and environment authentication process result. A control signal may be sent to the authentication device 3 or the information display means 22. Also, the determination processing unit 23 is based on the result of device authentication processing for the authentication device 3 and the result of device authentication processing for the electronic paper 2 performed by the determination processing unit 33 of the authentication device 3. Based on the result of the position authentication process and the determination result on whether the electronic paper 2 and the authentication device 3 are mutually authenticated. A control signal may be sent to the terminal 22. Note that the determination processing unit 23 performs device authentication processing on the own device (electronic paper 2), and performs authentication on the authentication device 3 or the information display unit 22 based on the device authentication processing result and the above-described position authentication processing result. The control signal may be transmitted.

  According to one embodiment of the present invention, as shown in FIG. 1, the electronic paper 2 may include an information storage unit 24 and an information transmission / reception unit 25. Further, the authentication device 3 may include an information storage unit 34 having the same configuration as the information storage unit 24 and an information transmission / reception unit 35 having the same configuration as the information transmission / reception unit 25. The information storage unit 24 stores information displayed by the information display unit 22, display instruction information transmitted by the determination processing unit 23, and the like. Information stored in the information storage unit 24 is, for example, character information, image information, device ID information, display instruction information, non-display instruction information, arrangement image information, and the like. The device ID information is identification information of the electronic paper 2 or identification information of the authentication device 3. The information transmission / reception means 25 is information transmitted from the authentication device 3 (for example, device ID information, display instruction information, non-display instruction information, arrangement image information of the authentication device 3, character information to be displayed by the information display means 22, Image information etc.) is received, and the received information is stored in the information storage means 24. Further, the information transmitting / receiving unit 25 transmits information to the authentication device 3. Information transmitted to the authentication device 3 includes, for example, device ID information of the electronic paper 2, display instruction information, non-display instruction information, arrangement image information, character information or image information to be displayed by the information display means 32, and the like. It is.

  The information storage unit 34 included in the authentication device 3 stores information displayed by the information display unit 32, display instruction information transmitted by the determination processing unit 33, and the like. The information transmission / reception means 35 receives information transmitted from the electronic paper 2 and stores it in the information storage means 34. The information transmission / reception unit 35 also provides information (for example, device ID information, display instruction information, non-display instruction information, arrangement image information, and character information to be displayed by the information display unit 22 to the electronic paper 2. And image information).

  In addition, according to an embodiment of the present invention, all information finally displayed on the electronic paper 2 may be stored in the information storage unit 24 included in the electronic paper 2, or the authentication device 3 includes. You may memorize | store in the information storage means 34. FIG. Further, the information finally displayed on the electronic paper 2 may be stored separately in the information storage means 24 provided in the electronic paper 2 and the information storage means 34 provided in the authentication device 3. Similarly, according to an embodiment of the present invention, all information finally displayed on the authentication device 3 may be stored in the information storage unit 34 included in the authentication device 3, or the electronic paper 2 is provided. The information may be stored in the information storage unit 24. Further, the information finally displayed on the authentication device 3 may be stored separately in the information storage means 34 provided in the authentication device 3 and the information storage means 24 provided in the electronic paper 2.

  In addition, although illustration is abbreviate | omitted in FIG. 1, the electronic paper 2 and the authentication apparatus 3 may each be provided with electric power supply means, such as a rechargeable battery, a small button battery, and a solar cell, respectively.

  The functions of the processing means included in the electronic paper 2 or the authentication device 3 described above are realized by a CPU and a program executed on the CPU.

  2 to 4 are diagrams illustrating an example of the function of the determination processing unit. Here, the function of the determination processing unit 33 provided in the authentication device 3 will be described as an example. Since the function of the determination processing unit 23 provided in the electronic paper 2 is the same as the function of the determination processing unit 33, description thereof is omitted. As described above, the determination processing unit 33 performs the position authentication process for the electronic paper 2 based on the position detection result by the position detection unit 31, for example. In addition, the determination processing unit 33 performs device authentication of the electronic paper 2 based on, for example, device ID information transmitted from the electronic paper 2. The device ID information transmitted from the electronic paper 2 is stored, for example, in a TCG (Trusted Computing Group) chip that realizes the determination processing means 23 included in the electronic paper 2. Further, as described above, for example, the determination processing unit 33 performs authentication (environment authentication) of the environmental state of hardware or software in the authentication device 3. The determination processing unit 33 having the above-described function is realized by, for example, the above-described TCG chip.

  For example, as shown in FIG. 3, the determination processing unit 33 performs the device authentication processing of the electronic paper 2 and also the user authentication information (from the user authentication device 10 that performs the user authentication processing of the user of the information display device 1). For example, personal authentication processing may be performed based on biometric authentication information and the like, and a control signal may be transmitted to the information display unit 32 based on the personal authentication processing result. Further, for example, as illustrated in FIG. 4, the determination processing unit 33 may perform the personal authentication process based on the personal authentication information transmitted from the personal authentication device 10 and the position detection result by the position detection unit 31. Good.

  FIG. 5 is a diagram for explaining an overview of a process for displaying information on electronic paper. Assume that the electronic paper 2 is not displaying character information, image information, or the like. The authentication device 3 displays the arrangement image 30 shown in FIG. As indicated by the tip of the arrow in the figure, when the user correctly superimposes the electronic paper 2 on the arrangement image 30 displayed on the authentication device 3, character information, image information, and the like are displayed on the electronic paper 2.

  FIG. 6 is a diagram for explaining the outline of the non-display process of information on the electronic paper. Assume a state in which character information, image information, and the like are displayed on the electronic paper 2. The authentication device 3 displays the arrangement image 30 shown in FIG. As shown by the tip of the arrow in the figure, when the user correctly overlays the electronic paper 2 on the arrangement image 30 displayed on the authentication device 3, the character information, image information, etc. displayed on the electronic paper 2 are not displayed. Display.

  FIGS. 7A, 7B, and 8 are diagrams illustrating detection of counterfeiting of electronic paper using the information display device of the present invention. Assume that the electronic paper 2 includes a position detection unit 21 and an information processing unit 22, and the authentication device 3 includes a position detection unit 31, an information processing unit 32, and a determination processing unit 33. Further, it is assumed that the determination processing unit 33 of the authentication device 3 performs position authentication processing based on the position detection result by the position detection unit 31. Assume that the electronic paper 100 is counterfeited from the genuine electronic paper 2 as shown in FIG. Since the position authentication processing result for the electronic paper 100 by the judgment processing means 33 of the authentication device 3 is authentication (A: Available), it cannot be detected that the electronic paper 100 has been forged.

  According to one embodiment of the present invention, for example, as shown in FIG. 7B, the electronic paper 2 includes a determination processing unit 23 in addition to the position detection unit 21 and the information display unit 22. The determination processing unit 33 included in the authentication device 3 performs, for example, a position authentication process for the electronic paper 2 based on a position detection result by the position detection unit 31 and a device authentication process for the electronic paper 2. If the electronic paper 2 is authentic, the position authentication processing result and the device authentication processing result for the electronic paper 2 by the judgment processing means 33 of the authentication device 3 are authentication (A: Available).

  For the forged electronic paper 101 shown in FIG. 8, the result of the position authentication processing by the determination processing means 33 of the authentication device 3 is authentication (A). However, since the judgment processing means 23 of the genuine electronic paper 2 shown in FIG. 7B is realized by, for example, a TCG chip or the like, it is difficult to forge. In addition, since the device ID information of the genuine electronic paper 2 is stored in, for example, the determination processing unit 23, the device authentication processing result for the forged electronic paper 101 is not authenticated (N / A: Not Available) and it can be detected that the electronic paper 101 is forged. Similarly, the device authentication processing result for the electronic paper 102 shown in FIG. 8 is also non-authenticated (N / A), and it can be detected that the electronic paper 102 has been forged. In addition, the forgery of the authentication device 3 can be detected by a method similar to the forgery detection method of the electronic paper 2 described above.

  FIG. 9 is a diagram illustrating an example of a data flow according to an embodiment of the present invention. The position detection means 21 of the electronic paper 2 and the position detection means 31 of the authentication device 3 detect the relative positions of the electronic paper 2 and the authentication device 3. The determination processing unit 33 of the authentication device 3 performs position authentication processing based on the position detection result by the position detection unit 31. The determination processing unit 33 then displays the information display unit 32 based on the location authentication processing result, the device authentication processing result for the own device (authentication device 3), and the environment authentication processing result for the own device (authentication device 3). A control signal (display instruction information or non-display instruction information) is transmitted. Note that the information display unit 22 in the electronic paper 2 may display a position detection result by the position detection unit 21, for example.

  FIG. 10 is a diagram illustrating another example of a data flow according to an embodiment of the present invention. In the example illustrated in FIG. 10, the electronic paper 2 includes a determination processing unit 23, and the determination processing unit 23 performs position authentication processing based on the position detection result by the position detection unit 21. Then, the judgment processing means 23 sends the information display means 22 to the information display means 22 based on the location authentication processing result, the device authentication processing result for the own device (electronic paper 2), and the environment authentication result for the own device (electronic paper 2). In response, a control signal (display instruction information or non-display instruction information) is transmitted. The data flow for the authentication device 3 is the same as the data flow described above with reference to FIG.

  FIG. 11 is a diagram showing another example of a data flow according to an embodiment of the present invention. The information transmission / reception means 25 of the electronic paper 2 receives information from the authentication device 3 (for example, device ID information, display instruction information, non-display instruction information, arrangement image information, character information displayed by the information display means 22, Image information). The received information is stored in the information storage means 24. The determination processing unit 23 of the electronic paper 2 performs a position authentication process based on the position detection result by the position detection unit 21. Further, the determination processing unit 23 performs device authentication for the authentication device 3 based on the device ID information of the authentication device 3 stored in the information storage unit 24, for example. The determination processing unit 23 controls the information display unit 22 based on the position authentication processing result, the device authentication processing result for the authentication device 3, and the environment authentication processing result for the own device (electronic paper 2). Send a signal. The control signal sent to the information display unit 22 by the determination processing unit 23 may be display instruction information or non-display instruction information received from the authentication device 3. Since the data flow in the authentication device 3 is the same as the data flow in the electronic paper 2 described above, a description thereof will be omitted.

  FIG. 12 is a diagram illustrating an example of the structure of electronic paper. As shown in FIG. 12, the electronic paper 2 has a layer structure of a front surface 2-1, a middle surface first layer 2-2, a middle surface second layer 2-3, and a back surface 2-4. An information display unit 22 is provided on the surface 2-1 of the electronic paper 2. The middle first layer 2-2 is provided with an information transmitting / receiving unit 25 including a wireless LAN card 200, a determination processing unit 23 including a TCG chip 201, an information storage unit 24, and a power supply unit 26. The power supply means 26 is, for example, a rechargeable battery, a small button battery, a solar battery, a power generating coil by electromagnetic induction, or the like. The middle surface second layer 2-3 is provided with position detecting means 21 such as a passive RFID tag. The back surface 2-4 functions as a cover.

  FIG. 13 is a diagram illustrating an example of the structure of the authentication device. As shown in FIG. 13, the authentication device 3 has a layer structure of a front surface 3-1, a middle surface first layer 3-2, a middle surface second layer 3-3, and a back surface 3-4. An information display unit 32 is provided on the surface 3-1 of the authentication device 3. Position detecting means 31 and electromagnetic induction coil 202 are provided on the first inner surface layer. The position detection unit 31 is, for example, an RFID tag reader. The RFID tag reader reads the identification information of the position detection means 21 such as a passive RFID tag provided on the second inner layer 2-3 of the electronic paper 2 shown in FIG. The electromagnetic induction coil 202 is installed, for example, when the authentication device 3 supplies power to the electronic paper 2 by electromagnetic induction. In the middle second layer 3-3, an information transmitting / receiving unit 35 including a wireless LAN card 200 and the like, a determination processing unit 33 including a TCG chip 201, an information storage unit 34, and a power supply unit 36 are installed. The power supply means 36 is, for example, a rechargeable battery, a small button battery, a solar battery, a power generation coil by electromagnetic induction, or the like. The back surface 3-4 functions as a cover.

  14A and 14B are diagrams illustrating an example of a cross section of the electronic paper and the authentication device. The position detection means 21 of the electronic paper 2 shown in FIG. 14A is a passive RFID tag. Further, the position detection means 31 of the authentication device 3 is an RFID tag reader. 14A and 14B show an example in which the electronic paper 2 is overlaid on the authentication device 3. An RFID tag reader (position detection means) 31 shown in FIG. 14A transmits an electromotive wave to the position detection means (RFID tag) 21. In order to reduce the size and thickness of the RFID tag 21 and to avoid interference with radio waves when the information transmitting / receiving unit 25 and the information transmitting / receiving unit 35 perform wireless LAN communication, for example, A frequency of 13.56 MHz is used. The RFID tag 21 that has received the electromotive wave from the RFID tag reader 31 returns a signal wave including identification information (for example, an ID number) of the RFID tag 21 to the RFID tag reader 31, and the RFID tag reader 31 receives the ID of the RFID tag 21. Read the number.

  For example, as shown in FIG. 15, the RFID tag 21-1 having the ID number A1, the RFID tag 21-2 having the ID number A2, and the RFID tag 21-3 having the ID number A3 is provided. When the electronic paper 2 is overlaid on the authentication device 3 including 48 RFID tag readers 31, the electronic paper 2 is disposed on the authentication device 3 at a position as indicated by the tip of the arrow in FIG. In FIG. 15, the number described in the RFID tag reader 31 in the authentication device 3 is the identification number of the RFID tag reader 31. As shown in FIG. 15, the RFID tag 21-1 with ID number A1 is arranged on the RFID tag reader 31 with identification number 14, and the RFID tag 21-2 with ID number A2 is the RFID tag reader 31 with identification number 20. The RFID tag 21-3 with the ID number A3 is arranged on the RFID tag reader 31 with the identification number 15. Therefore, for example, the RFID tag reader 31 with the identification number 14 reads the ID number A1, the RFID tag reader 31 with the identification number 15 reads the ID number A3, and the RFID tag reader 31 with the identification number 20 reads the ID number A2. .

  Returning to FIG. 14A, the TCG chip 201 in the authentication device 3 has the ID number read by each RFID tag reader 31 set in advance, and the electronic paper 2 is correctly superimposed on the arrangement image of the authentication device 3. If the RFID tag reader 31 matches, the ID number of the RFID tag to be read is determined. When the ID number read by each RFID tag reader 31 matches the preset ID number, the TCG chip 201 authenticates the position of the electronic paper 2. 14A, the electronic paper 2 may include an RFID tag reader as the position detection unit 21, and the authentication device 3 may include an RFID tag as the position detection unit 31. In FIG.

  The electronic paper 2 illustrated in FIG. 14B includes an LED as the position detection unit 21, and the authentication apparatus 3 includes an optical sensor as the position detection unit 31. When the LED (position detection means) 21 shown in FIG. 14B emits light, the optical sensor (position detection means) 31 detects an optical signal emitted from the LED 21. The light to be detected when the TCG chip 201 in the authentication device 3 detects the optical signal and the optical sensor 31 is preset and the electronic paper 2 is correctly superimposed on the arrangement image of the authentication device 3. It is determined whether or not the sensor 31 matches. When the optical sensor 31 that has detected the optical signal matches the preset optical sensor, the TCG chip 201 authenticates the position of the electronic paper 2.

  FIGS. 16A and 16B, FIGS. 17A to 17C, FIGS. 18A and 18B are examples of position detection processing according to an embodiment of the present invention. It is a figure explaining. As shown in FIG. 16A, the LED 21 is provided on the second inner surface layer 2-3 of the electronic paper 2. The middle second layer 2-3 has a back surface 2-1 such that the side aa ′ overlaps the side dd ′ of the surface 2-1, and the side bb ′ overlaps the side cc ′ of the surface 2-1. Provided. Further, the authentication device 3 shown in FIG. 16B is provided with, for example, an optical sensor 31 (not shown). When the electronic paper 2 having the structure shown in FIG. 16A is overlaid on the arrangement image 30 displayed on the authentication device 3 shown in FIG. 16B, the electronic paper 2 is as shown in FIG. It overlaps on the authentication device 3. FIG. 17B shows the overlapping state of the electronic paper 2 and the authentication device 3 shown in FIG. 17A in a form in which the optical sensor 31 of the authentication device 3 hidden under the electronic paper 2 can be seen through. FIG. In the authentication device 3 in which the electronic paper 2 is overlaid in the state shown in FIG. 17B, for example, the LED 21 provided on the second inner layer 2-3 of the electronic paper 2 shown in FIG. An optical sensor 31 adjacent to the LED 21 detects an optical signal from the LED 21. For example, the photosensor 31 shown in the blacked-out portion in FIG. 17C, which shows the authentication device 3 on which the electronic paper 2 overlaps in the state shown in FIG. The light signal from the LED 21 is detected only by the light sensor 31 indicated by the hatched portion. The determination processing means 33 (not shown in FIG. 17) of the authentication device 3 is such that the optical sensor 31 that has detected the optical signal is a preset optical sensor, and the electronic paper 2 is correctly placed in the arrangement image 30 of the authentication device 3. When overlaid, it is determined whether the optical signal matches the optical sensor to be detected. When the optical sensor 31 that detects the optical signal matches the preset optical sensor, the determination processing unit 33 authenticates the position of the electronic paper 2.

  According to one embodiment of the present invention, the RFID tag 21 is provided on the second inner surface 2-3 of the electronic paper 2 shown in FIG. 16A, and the RFID is attached to the authentication device 3 shown in FIG. A tag reader 31 (not shown) is provided. When the electronic paper 2 is overlaid on the authentication device 3, for example, an overlapping state as shown in FIG. Therefore, the RFID tag reader 31 (in the state shown in FIG. 18A) close to the RFID tag 21 provided on the second inner layer 2-3 of the electronic paper 2 (see FIG. 16A) is used. The RFID tag reader 31) shown in black in FIG. 18B, which is a diagram showing the authentication device 3 overlaid on, reads the ID number of the RFID tag 21. When the RFID tag reader 31 that has read the ID number of the RFID tag 21 is a preset RFID tag reader and the electronic paper 2 is correctly superimposed on the arrangement image 30 of the authentication device 3, the authentication device 3 It is determined whether the ID number of 21 matches the RFID tag reader to be read. If the RFID tag reader 31 that has read the ID number of the RFID tag 21 matches the preset RFID tag reader, the determination processing unit 33 authenticates the position of the electronic paper 2.

  FIGS. 19A to 19D and FIGS. 20A to 20D are diagrams illustrating an operation example of electronic paper. When a rectangular arrangement image 30 is displayed on the authentication device 3 as shown in FIG. 19B, for example, the user authenticates the electronic paper 2 shown in FIG. 19A with the authentication shown in FIG. The electronic paper 2 is overlapped on the authentication device 3 so that the side of the electronic paper 2 is aligned with the outline of the arrangement image 30 displayed on the authentication device 3 by moving in the direction of the device 3. As a result, the electronic paper 2 and the authentication device 3 are in an overlapping state as shown in FIG. In the overlapping state as shown in FIG. 19C, the RFID tag 21 provided in the electronic paper 2 and the RFID tag reader 31 provided in the authentication device 3 are in a positional relationship as shown in FIG.

  When the arrangement image 30 as shown in FIG. 20B is displayed on the authentication device 3, for example, the user arranges the electronic paper 2 shown in FIG. It is inclined obliquely so as to match the contour line of the image 30 and is superimposed on the authentication device 3. As a result, the electronic paper 2 and the authentication device 3 are in an overlapping state as shown in FIG. In the overlapping state as shown in FIG. 20C, the RFID tag 21 provided in the electronic paper 2 and the RFID tag reader 31 provided in the authentication device 3 are in a positional relationship as shown in FIG.

  FIGS. 21A to 21C are diagrams illustrating examples of arrangement of position detection means (for example, RFID tags and LEDs) on electronic paper. In one embodiment of the present invention, for example, various numbers of position detection means 21 are arranged in various arrangements on the electronic paper 2. Although illustration is omitted, for example, various numbers of position detecting means (for example, RFID tag readers and optical sensors) 31 may be arranged in various arrangements in the authentication device 3.

  FIG. 22 is a diagram illustrating an example of superposition of electronic paper and an authentication device. The case where the electronic paper 2 includes an RFID tag as the position detection unit 21 and the authentication apparatus 3 includes an RFID tag reader as the position detection unit 31 will be described as an example. The upper left diagram and the upper right diagram in FIG. 22 illustrate the overlapping state when the electronic paper 2 is superimposed on the authentication device 3. As shown in the upper left diagram of FIG. 22, it is assumed that the RFID tag reader 31 is arranged in the authentication device 3 so as to be arranged in parallel with each side of the authentication device 3. For example, when the three RFID tag readers 31 surrounded by dotted lines in the upper left diagram of FIG. 22 read the ID number of the RFID tag 21 included in the electronic paper 2 in advance, the authentication device 3 electronically displays the display instruction information. Set to send to paper 2.

  Here, when the electronic paper 2 in which the RFID tags 21 are arranged in the arrangement shown in the lower left diagram of FIG. 22 is stacked on the authentication device 3 shown in the upper left diagram of FIG. It must be stacked so that the side surface of the authentication device 3 is parallel. Otherwise, the three RFID tag readers 31 surrounded by the dotted line in the upper left diagram of FIG. 22 do not read the ID number of the RFID tag 21 included in the electronic paper 2, and no information is displayed on the electronic paper 2.

  Further, when the electronic paper 2 in which the RFID tags 21 are arranged as shown in the lower right diagram of FIG. 22 is stacked on the authentication device 3 shown in the upper left diagram of FIG. 22, the side surface of the electronic paper 2 is It must be tilted and stacked with respect to the side surface of the authentication device 3. Otherwise, the three RFID tag readers 31 surrounded by the dotted line in the upper left diagram of FIG. 22 do not read the ID number of the RFID tag 21 included in the electronic paper 2, and no information is displayed on the electronic paper 2.

  Further, according to the embodiment of the present invention, for example, as shown in the upper right diagram of FIG. 22, the RFID tag reader 31 is arranged in the authentication device 3 in a line that forms a predetermined angle with each side of the authentication device 3. Has been. Further, for example, when the three RFID tag readers 31 surrounded by the dotted line in the upper right diagram in FIG. 22 read the ID number of the RFID tag 21 included in the electronic paper 2 in advance, the authentication device 3 displays the display instruction information. Is set to be sent to the electronic paper 2.

  Here, when the electronic paper 2 in which the RFID tags 21 are arranged in the arrangement shown in the lower right diagram of FIG. 22 is stacked on the authentication device 3 shown in the upper right diagram of FIG. 22, the side surface of the electronic paper 2 And the side face of the authentication device 3 must be overlapped. Otherwise, the three RFID tag readers 31 surrounded by the dotted line in the upper right diagram in FIG. 22 do not read the ID number of the RFID tag 21 included in the electronic paper 2, and no information is displayed on the electronic paper 2.

  Further, when the electronic paper 2 in which the RFID tags 21 are arranged in the arrangement shown in the lower left diagram of FIG. 22 is stacked on the authentication device 3 shown in the upper right diagram of FIG. 22, the side surface of the electronic paper 2 is authenticated. It must be tilted with respect to the side of the device 3 and stacked. Otherwise, the three RFID tag readers 31 surrounded by the dotted line in the upper right diagram in FIG. 22 do not read the ID number of the RFID tag 21 included in the electronic paper 2, and no information is displayed on the electronic paper 2.

  Another embodiment of the present invention will be described with reference to FIGS. 23 (A) to 23 (D). 23A to 23D illustrate cross sections of the electronic paper and the authentication device in a state where the electronic paper overlaps the authentication device. According to one embodiment of the present invention, for example, as shown in FIG. 23A, when the authentication device 3 is placed between the RFID tag 21 and the RFID tag reader 31 when the electronic paper 2 is stacked on the authentication device 3. A curved surface is formed so as to have a gap therebetween. Immediately after the electronic paper 2 is overlaid on the authentication device 3, as shown in a portion surrounded by a dotted-line ellipse in FIG. 23A, the RFID tag reader 31 and the electronic device disposed at a position away from the center of the authentication device 3. The distance from the RFID tag 21 included in the paper 2 is large. Therefore, the RFID tag reader 31 cannot read the ID number of the RFID tag 21. Here, when the user applies pressure from the upper part of the electronic paper 2 toward the authentication device 3, the electronic paper 2 is pressed against the authentication device 3, and the electronic paper 2 and the authentication device 3 are connected to each other as shown in FIG. ) As shown in FIG. In the overlapping state as shown in FIG. 23B, the interval between the RFID tag reader 31 in the portion surrounded by the dotted ellipse in FIG. 23B and the RFID tag 21 included in the electronic paper 2 is the RFID tag reader 31 concerned. Is a predetermined interval at which the RFID tag 21 can be detected. Therefore, the RFID tag reader 31 can read the ID number of the RFID tag 21 included in the electronic paper 2. The same applies when the electronic paper 2 is pressed against the authentication device 3 by the weight of the electronic paper 2 stacked on the authentication device 3.

  Moreover, according to one embodiment of the present invention, for example, the authentication device 3 is bent at a plurality of portions as shown in FIG. Immediately after the electronic paper 2 is overlaid on the authentication device 3, the distance between the RFID tag reader 31 and the RFID tag 21 in the portion surrounded by the dotted line in FIG. Therefore, the RFID tag reader 31 cannot read the ID number of the RFID tag 21. Here, when the user applies pressure from the upper part of the electronic paper 2 toward the authentication device 3, the electronic paper 2 is pressed against the authentication device 3, and the electronic paper 2 and the authentication device 3 are connected to each other as shown in FIG. ) As shown in FIG. Therefore, the interval between the RFID tag reader 31 and the RFID tag 21 provided in the electronic paper 2 in the portion surrounded by the dotted ellipse in FIG. 23D is reduced, and the RFID tag reader 31 is provided with the RFID tag provided in the electronic paper 2. 21 ID numbers can be read. The same applies when the electronic paper 2 is pressed against the authentication device 3 by the weight of the electronic paper 2 stacked on the authentication device 3.

  23A to 23D, the case where the authentication device 3 has a curved surface has been described as an example. However, when the electronic paper 2 overlaps the authentication device 3, the RFID tag 21 A curved surface configured to be spaced from the RFID tag reader 31 may be formed. The case where the electronic paper 2 has a curved surface is the same as that shown in FIGS. That is, for example, when the interval between the RFID tag reader 31 and the RFID tag 21 becomes a predetermined interval at which the RFID tag reader 31 can detect the RFID tag 21, the RFID tag reader 31 reads the ID number of the RFID tag 21.

  FIG. 24 is a diagram illustrating an example of a display instruction information transmission process flow of the authentication apparatus. When the electronic paper 2 is stacked on the authentication device 3, the position detection unit 31 of the authentication device 3 detects the position of the electronic paper 2 (step S1). For example, as illustrated in S <b> 1-1 of FIG. 26, the position detection unit 31 of the authentication device 3 makes a request for reading the identification information of the position detection unit 21 included in the electronic paper 2 and the response data transmitted from the electronic paper 2. (See S1-2 and S1-3 in FIG. 26). Next, the determination processing means 33 determines whether or not the electronic paper 2 has been stacked at a predetermined position based on the position detection result in step S1 (step S2, S2-1 in FIG. 26). If the electronic paper 2 is not stacked at a predetermined position, the process returns to step S1. When the electronic paper 2 is stacked at a predetermined position, the determination processing unit 33 performs device authentication processing with the electronic paper 2 (step S3). For example, as illustrated in S <b> 3-1 of FIG. 26, the determination processing unit 33 encrypts the device ID and password of the authentication device 3 and transmits them to the electronic paper 2. As illustrated in S <b> 11-1 in FIG. 26, the electronic paper 2 performs device authentication processing for the authentication device 3 by decrypting the data received from the authentication device 3 and collating it with preset data. In addition, for example, the determination processing unit 33 decrypts the data in which the device ID and the password of the electronic paper 2 transmitted from the electronic paper 2 are encrypted, compares the data with the preset data, and compares the data with the electronic paper 2. The device authentication process is performed for S11-2 and S3-2 in FIG.

  Next, the determination processing unit 33 determines whether the electronic paper 2 and the authentication device 3 have been mutually authenticated (step S4). If the electronic paper 2 and the authentication device 3 are not mutually authenticated, the process ends. When the electronic paper 2 and the authentication device 3 are mutually authenticated, the determination processing unit 33 sends display instruction information to the electronic paper 2 (step S5, S5-1 in FIG. 26), and the electronic Information is displayed on the paper 2 (S14-1 in FIG. 26).

  Note that the processing flow when the authentication device 3 sends the non-display instruction information to the electronic paper 2 is replaced with step S5, and the determination processing means 33 sends the non-display instruction information to the electronic paper 2. Other than this, the processing flow is the same as that shown in FIG.

  FIG. 25 is a diagram illustrating an example of an electronic paper information display processing flow. The judgment processing means 23 of the electronic paper 2 performs device authentication processing with the authentication device 3 (step S11). Next, the determination processing unit 23 determines whether the electronic paper 2 and the authentication device 3 are mutually authenticated (step S12). If the electronic paper 2 and the authentication device 3 are not mutually authenticated, the process returns to step S11. When the electronic paper 2 and the authentication device 3 are mutually authenticated, the determination processing unit 23 determines whether display instruction information has been received from the authentication device 3 (step S13). If the display instruction information is not received from the authentication device 3, the process is terminated. When the display instruction information is received from the authentication device 3, the determination processing unit 23 sends a control signal to the information display unit 22 to display character information, image information, and the like (step S14).

  Note that the processing flow when the electronic paper 2 hides information replaces the above step S13 and determines whether the determination processing means 23 has received the non-display instruction information from the authentication device 3, and then proceeds to the above step S14. Instead, the processing flow is the same as that shown in FIG. 25 except that the determination processing means 23 sends a control signal to the information display means 22 to hide the character information, image information, and the like.

  FIG. 27A and FIG. 27B are diagrams showing another embodiment of the present invention. In the embodiment shown in FIGS. 27A and 27B, the electronic paper 2 and the authentication device 3 are used for field work support in the case of construction and facility maintenance management. For example, the authentication device 3 is installed or fixedly installed on the upper surface of the device 210 shown in FIG. FIG. 27B shows the authentication device 3 installed on the upper surface of the device 210 shown in FIG. As shown in FIG. 27B, the authentication device 3 displays a facility layout diagram 211. Each of the nine images described with the letters “equipment S01” to “equipment S09” included in the equipment layout diagram 211 is an image showing the position of each equipment on the construction site or the like, and electronic paper. 2 is an arrangement image 30 used when 2 is superimposed on the authentication device 3. “Equipment S01” to “Equipment S09” indicate names of the facilities arranged at the construction site or the like. When the site worker superimposes the electronic paper 2 on a certain arrangement image 30, the authentication device 3 performs position authentication processing on the electronic paper 2, and information on the equipment having the equipment name described in the arrangement image 30 is electronic. Displayed on paper 2.

  For example, as indicated by an arrow in FIG. 27B, the site worker can adjust the electronic paper 2 so that the upper left corner of the electronic paper 2 is aligned with the upper left corner of the arrangement image in which the letters “facility S07” are described. The paper 2 is stacked on the authentication device 3. In response to this, detailed information on the equipment having the equipment name of equipment S07 on the electronic paper 2 (for example, failure information on the equipment, work instruction information on the equipment, work history information, and procedure for entering the equipment) Information etc.) is displayed.

  By utilizing the embodiment of the present invention described above, for example, communication equipment, power equipment, gas equipment, nuclear power equipment, water supply equipment, air conditioning equipment, military equipment, etc. that should be kept secret to those other than those concerned. The information can be displayed on the electronic paper 2 by a simple operation by a person concerned while ensuring security.

  FIG. 28 is a diagram showing another embodiment of the present invention. In the embodiment shown in FIG. 28, for example, the electronic paper 2 is used as a questionnaire sheet. For example, at a questionnaire venue or the like, the user 300 shown in FIG. 28A inputs an answer to the questionnaire into the electronic paper 2 (information storage means 24) as a questionnaire sheet, and the response content is displayed on the electronic paper 2. Display. Thereafter, as shown in FIG. 28 (B), for example, the user 300 (or the questionnaire sheet collector) is placed on the authentication device 3 set to send the non-display instruction information to the electronic paper 2. The electronic paper 2 is stacked. In response to this, the response content is hidden on the electronic paper 2. The electronic paper 2 whose answer contents are hidden cannot be referred to by outsiders, and security can be secured when the electronic paper 2 is carried outside the questionnaire venue. As shown in FIG. 28 (C), when the electronic paper 2 is overlaid on the authentication device 3 set to send display instruction information to the electronic paper 2, the response content is displayed and displayed. The contents of the responses are used for the summary analysis process.

  The program for realizing the present invention can be stored in a computer-readable recording medium such as a semiconductor memory, a hard disk, a CD-ROM, a DVD, or the like, provided by being recorded on these recording media, or communication. It is provided by transmission / reception using a network via an interface.

  According to the information display device and the information display method of the present invention, it is possible to display character information or image information on the electronic paper or the authentication device by overlapping the electronic paper and the authentication device. As a result, it is possible to perform authentication for ensuring security with a simple operation of overlapping the electronic paper and the authentication device, and display information on the electronic paper or the authentication device according to the authentication result. . In addition, since information is displayed on the electronic paper or on the authentication device only when the positional relationship between the electronic paper and the authentication device is set to a predetermined relative position, the security strength can be increased and information leakage occurs. Risk can be reduced.

  Further, according to the information display device of the present invention, the user of the information display device, for example, puts information on the electronic paper or the authentication device by overlaying the electronic paper on the area where the arrangement image is displayed on the authentication device. Can be displayed. As a result, it is possible to reduce the possibility of the user wondering where to put the electronic paper on the authentication device, or to mistake the area on which the electronic paper is to be stacked, thereby increasing the convenience of operation of the electronic paper. be able to. Further, according to the information display device of the present invention, it is possible to prevent information from being displayed on the electronic paper or the authentication device by simply superimposing the electronic paper on the authentication device. Therefore, for example, when the user tries to store the electronic paper and the authentication device in a bag, bag, drawer or storage binder, the information is displayed on the electronic paper against the user's will. Can be avoided.

  Further, according to the information display device of the present invention, authentication for ensuring security is performed by a simple operation of stacking the electronic paper and the authentication device, and displayed on the electronic paper or the authentication device according to the authentication result. Information can be hidden.

Further, according to the information display device of the present invention, forged electronic paper or an authentication device is not authenticated. As a result, according to the information display device of the present invention, the risk of information leakage can be further reduced.

Claims (8)

An information display device comprising electronic paper and an authentication device for authenticating the electronic paper,
One is a first and second position sensing means other provided in the electronic paper is provided in the authentication apparatus, when the electronic paper and said authentication device is superimposed at least in part, said electronic paper The relative position and the overlapping state between the authentication device and the authentication device are determined based on the position of the first and second position detection means in the electronic paper and the other of the first and second position detection means. First and second position detecting means for detecting in cooperation based on the position of the authentication device ;
Wherein provided in the authentication apparatus, the first and performs more sensed relative position and overlap the authentication process based on the state in the second position detecting means, based on the authentication processing result, to the e-paper over a determination processing means for transmitting a control signal,
Wherein provided in the electronic paper, in accordance with the prior SL control signal, the information display device characterized by comprising an information display means for switching information displayed on the e-paper over. The information display device according to claim 1,
The information display means switches between displaying and hiding information on the electronic paper according to the control signal.
An information display device characterized by that. The information display device according to claim 1,
The electronic paper or the authentication device has a deformable curved surface portion,
When the curved surface portion is deformed, the positional relationship between the first and second position detecting means changes.
An information display device characterized by that. The information display device according to claim 1,
The electronic paper includes a plurality of RFID tags as one of the first and second position detecting means, and the authentication device includes a plurality of RFID tag readers as the other of the first and second position detecting means. And
Any one of the signals output from the plurality of RFID tags is detected by any of the plurality of RFID tag readers,
The determination processing means is configured such that the signal detected by any of the plurality of RFID tag readers is a relative position between the electronic paper and the authentication device when the electronic paper is correctly superimposed on the authentication device; Authenticate the position of the electronic paper when it matches the overlap state
An information display device characterized by that. The information display device according to claim 1,
The electronic paper includes a plurality of light emitting diodes as one of the first and second position detecting means, and the authentication device includes a plurality of optical sensors as the other of the first and second position detecting means. And
Any one of the signals output from the plurality of light emitting diodes is detected by any of the plurality of photosensors,
The determination processing means is configured such that the signal detected by any of the plurality of optical sensors is a relative position between the electronic paper and the authentication device when the electronic paper is correctly superimposed on the authentication device; Authenticate the position of the electronic paper when it matches the overlap state
An information display device characterized by that. The information display device according to claim 1,
It said information display means displays the layout image is an image showing a region to overlap the previous SL authentication equipment on the electronic paper,
Said determination processing unit, wherein the authentication apparatus if superimposed on the area where arrangement image is displayed in the electronic paper, the information display apparatus characterized by sending the control signal to the electronic paper. The information display device according to claim 1,
It said determination processing means further includes a wherein said electronic paper or performs a device authentication processing for the authentication device, based on previous Ki認 card processing result and said device authentication processing result, and sends the control signal Information display device. An information display method in an information display device comprising electronic paper and an authentication device for authenticating the electronic paper,
If one is first and second position sensing means other provided in the electronic paper is provided in the authentication device, wherein the electronic paper and said authentication device is superimposed at least in part, the said electronic paper The relative position and the overlapping state with the authentication device are determined based on the position of the first and second position detecting means on the electronic paper and the other of the first and second position detecting means. Based on the location in the authentication device , detect it in cooperation ,
The authentication device determination processing means provided in may execute the first and second sensed relative position by the position detecting means and the overlap on the basis of the state authentication process, based on the authentication process result, the It sends a control signal to the electronic paper over,
Information display method wherein the electronic paper information display means provided in, depending on the previous SL control signal, and switches the information displayed on the e-paper over.

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