JP4806010B2 - Information display device - Google Patents

Description

The present invention relates to information display equipment, in particular, by performing authentication for security purposes by a simple operation, displays the information on the electronic paper, or to hide the information displayed on the electronic paper about the information display equipment.

  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.

  Further, according to a study by the present inventor, if multiple authentications are performed when information is displayed on the electronic paper or information displayed on the electronic paper is hidden, the security is further improved. be able to.

  An object of the present invention is to provide an information display device that executes a plurality of authentications 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 executing a plurality of authentications for ensuring security with a simple operation and displaying or hiding information on electronic paper according to the authentication result.

The 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 one of the other provided in the electronic paper provided in the authentication device a first and 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, wherein position in one of the electronic paper in the first and second position sensing means, and, based on the position in the other of the authentication device of the first and second position sensing means, first and detects cooperate and the second position detecting means, the authentication device provided in more sensed relative positions and overlapping position authentication processing based on the state in the first and second position sensing means The multiple rows Utotomoni, performed a plurality of times a device authentication process for the electronic paper and the authentication apparatus, the plurality of position authentication processing result, and, based on said plurality of device authentication processing result, the e-paper It comprises a determination processing means for transmitting the control signals to the over, provided in the electronic paper, in accordance with the prior SL control signal, and information display means for switching information displayed on the e-paper over.

Further, information display equipment of the present invention, when the electronic paper and the authentication device stacked, plurality when the relative position and the overlap state between the electronic paper and the authentication apparatus a predetermined relationship times determined When the electronic paper or the authentication device can be authenticated a plurality of times , the character information or the image information is displayed on the electronic paper or the authentication device. Therefore, in order to display the character information or image information on the electronic paper or on authentication device overlaid multiple times the electronic paper and the authentication device to a predetermined position, need an electronic paper or authentication device Ru can multiple device authentication Therefore, the security strength can be further increased and 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 a display process of information on electronic paper. It is a figure explaining the other example of the display process of the information on electronic paper. It is a figure explaining an example of the display process of the information to an authentication apparatus. It is a figure explaining an example of the display process of the information to an authentication apparatus. It is a figure explaining the other example of the display process of the information on electronic paper. 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 which shows an example of the display instruction information transmission process flow by 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 other embodiment of this invention. It is a figure which shows another example of the system configuration | structure of this invention. It is a figure explaining an example of a display process of information on electronic paper. It is a figure which shows other embodiment of this invention. It is a figure which shows an example of the display instruction information transmission process flow by an authentication apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 10 Information display apparatus 2 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 surface 3 Authentication devices 21, 31 Position detection means 21-1, 21-2, 21-3 RFID tags 22, 32 Information display means 23, 33 Judgment processing means 24, 34 Information storage means 25, 35 Information transmission / reception means 26, 36 Power supply Means 30 Arrangement image 200 Wireless LAN card 201 TCG chip 202 Electromagnetic induction coil

  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. At least one of the electronic paper 2 or the authentication device 3 is plural. Although FIG. 1 shows a case where there are a plurality of electronic papers 2 and a single authentication device 3, according to an embodiment of the present invention, the information display device 1 includes one electronic paper 2 and a plurality of authentications. The apparatus 3 may be provided, and a plurality of electronic papers 2 and a plurality of authentication apparatuses 3 may be provided. The information display device 1 includes a plurality of position detection means (position detection means 21 and position detection means 31), a determination processing means (determination processing means 23 or determination processing means 33), and an information display means (information display means 22). Or information display means 32). A plurality of position detection means (position detection means 21 and position detection means 31) are provided in each of the electronic paper 2 and the authentication device 3, and the electronic paper 2 and the authentication device 3 and the other electronic paper 2 or the authentication device 3 are provided. A relative position between the electronic paper 2 and the authentication device 3 and the other electronic paper 2 or the authentication device 3 when it is stacked is detected. The judgment processing means (judgment processing means 23 or judgment processing means 33) is provided in at least one of the electronic paper 2 and the authentication device 3, and includes a plurality of position detection means (position detection means 21 and position detection means 31). A position authentication process for determining whether the detected relative position is in a predetermined relationship is performed, and a control signal is sent to at least one of the electronic paper 2 or the authentication device 3 based on the position authentication process result. Send it out. The information display means (the information display means 22 or the information display means 32) is provided in at least one of the electronic paper 2 and the authentication device 3, and on the electronic paper 2 or the authentication device based on the transmitted control signal. Character information or image information is displayed on at least one of the three.

  In this example, in the information display device 1, the information display unit (the information display unit 22 or the information display unit 32) has a region in which the electronic paper 2 and the authentication device 3 and the other electronic paper 2 or the authentication device 3 are to be overlapped. You may make it display the arrangement | positioning image which is an image to show on the electronic paper 2 or the authentication apparatus 3. FIG. The arrangement image is arrangement information indicating an area in which the electronic paper 2 and the authentication device 3 and the other electronic paper 2 or the authentication device 3 are to be overlapped. In this case, when the determination processing means (the determination processing means 23 or the determination processing means 33) has the other electronic paper 2 or the authentication device 3 superimposed on the arrangement image, at least one of the electronic paper 2 or the authentication device 3 is used. A control signal is sent to one of them. That is, when the relative position between the electronic paper 2 and the authentication device 3 and the other electronic paper 2 or the authentication device 3 is determined so as to follow the displayed arrangement information, the control signal is transmitted.

  Next, the configuration of the electronic paper 2 shown in FIG. 1 and the configuration of the authentication device 3 will be specifically described. 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 other electronic paper 2 or the authentication device 3 to detect the position of the electronic paper 2 stacked on the other electronic paper 2 or 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 other electronic paper 2 or the authentication device 3 when the electronic paper 2 and the other electronic paper 2 or the authentication device 3 are overlapped. 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. The information display unit 22 may display an arrangement image that is an image showing a region in which the electronic paper 2 is superimposed on another electronic paper 2 or the authentication device 3. In this case, the arrangement image displayed by the information display unit 22 may be an arrangement image transmitted from the authentication device 3 or other electronic paper 2.

  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 is performed to determine whether or not the relative positions of the two have a predetermined relationship. The determination processing means 33 is a control signal for at least one electronic paper 2 or for an information display means 32 (to be described later) of the authentication device 3 based on the position authentication processing result for a predetermined number of electronic papers 2. (Display instruction information or non-display instruction information) is transmitted. If the position of the predetermined number of electronic papers 2 is authenticated by the position authentication processing by the determination processing unit 33, the predetermined number of electronic papers 2 are set to a predetermined position on the authentication device 3 (for example, on the arrangement image). Will be placed correctly. The number of electronic papers 2 that must be correctly placed at a predetermined position on the authentication device 3 is set in advance in the determination processing means 33. For example, when the electronic paper 2 is overlaid on the authentication device 3 and another electronic paper 2 is overlaid on the electronic paper 2, the position detection unit 31 determines the position of the electronic paper 2 and the position of the other electronic paper 2. Then, the determination processing means 33 performs a position authentication process for the electronic paper 2 and a position authentication process for the other electronic paper 2, and sends a control signal based on the results of these two position authentication processes. Further, the determination processing unit 33 may send a control signal to both the electronic paper 2 stacked on the authentication device 3 or the other electronic paper 2 stacked on the electronic paper 2. The control signal may be sent to either one of the electronic paper 2 stacked on the authentication device 3 or the other electronic paper 2 stacked on the electronic paper 2.

  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 and the authentication device 3 are overlapped. According to one embodiment of the present invention, the user of the information display device 1 uses, for example, an input unit (not shown) such as a keyboard, so that the determination processing unit 33 can display either display instruction information or non-display instruction information. Can be set in the determination processing means 33. In the determination processing unit 33, for example, information indicating to which electronic paper 2 the control signal is sent is 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, an RFID (Radio Frequency Identification) tag and an RFID tag reader.

  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 performs a position authentication process for determining whether the position of the other electronic paper 2 or the authentication device 3 detected by the position detection unit 21 is a predetermined position. Based on the result of the position authentication process for a predetermined number of other electronic papers 2 or authentication devices 3, the determination processing unit 23 applies to the information display unit 22 of at least one electronic paper 2 or to the authentication device 3. In response, a control 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 other electronic paper 2 or the authentication device 3, and based on the device authentication processing result and the above-described position authentication processing result, the information display unit 22 or the authentication device of the electronic paper 2 Alternatively, a control signal may be sent to 3. 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 information display unit 22 of the electronic paper 2 or the authentication device 3. 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 another electronic paper 2 or authentication device 3 (for example, device ID information, display instruction information, non-display instruction information, arrangement image information of other electronic paper 2 or authentication device 3, Character information or image information to be displayed by the information display unit 22 is received, and the received information is stored in the information storage unit 24. Further, the information transmitting / receiving unit 25 transmits information to the other electronic paper 2 or the authentication device 3. Information transmitted to the authentication device 3 is, for example, device ID information, display instruction information, non-display instruction information, arrangement image information, character information, image information, and the like of the electronic paper 2.

  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.

  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.

  In addition, when the information display device 1 includes one electronic paper 2 and a plurality of authentication devices 3, and when the information display device 1 includes a plurality of electronic papers 2 and a plurality of authentication devices 3, Each of the electronic paper 2 and the authentication device 3 performs the same operation as that described with reference to FIG. For example, when another authentication device 3 is overlaid on the authentication device 3 and the electronic paper 2 is overlaid on the other authentication device 3, the authentication device 3 performs position authentication processing for the other authentication device 3. A position authentication process for the electronic paper 2 is performed, and a control signal is transmitted based on the results of these two position authentication processes.

  FIG. 2 is a diagram 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. As illustrated in FIG. 2, the determination processing unit 33 may perform device authentication of the other authentication device 3 based on, for example, device ID information transmitted from the other authentication device 3. 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.

  FIG. 3 is a diagram illustrating an example of information display processing 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 as shown in FIG. When the user correctly superimposes two sheets of electronic paper 2 on the arrangement image 30 displayed on the authentication device 3, the authentication device 3 displays character information, image information, and the like on each of the two electronic papers 2. . According to one embodiment of the present invention, for example, the user correctly superimposes a plurality of electronic papers 2 on which character information and image information are displayed on the arrangement image 30 displayed on the authentication device 3. Then, the authentication device 3 puts the character information and image information displayed on the plurality of electronic papers 2 into a non-display state.

  4A to 4D are diagrams illustrating another example of information display processing on electronic paper. In this example, the authentication device 3 displays information on the electronic paper 2 stacked on the top, based on the position authentication processing results for the three electronic papers 2. First, as shown in FIG. 4A, the authentication device 3 displays an arrangement image 30 indicated by a hatched portion. When the user overlaps the electronic paper 2 on the arrangement image shown in FIG. 4A, the electronic paper 2 and the authentication device 3 overlap as shown in FIG. 4B. The authentication device 3 performs position authentication processing for the electronic paper 2. If the authentication apparatus 3 determines that the position of the electronic paper 2 is correct (is a predetermined position), the authentication apparatus 3 displays the arrangement image 30 shown by the hatched portion in FIG. When the user superimposes the second electronic paper 2 on the arrangement image 30 indicated by the hatched portion in FIG. 4B, the second electronic paper 2 is, as shown in FIG. It overlaps on the first electronic paper 2 and the authentication device 3. The authentication device 3 performs position authentication processing for the second electronic paper 2. When the authentication device 3 determines that the position of the second electronic paper 2 is correct, the authentication device 3 displays the arrangement image 30 shown by the hatched portion in FIG. When the user superimposes the third electronic paper 2 on the arrangement image 30 indicated by the hatched portion in FIG. 4C, the third electronic paper 2 is, as shown in FIG. It overlaps on the first electronic paper 2, the second electronic paper 2 and the authentication device 3. The authentication device 3 performs a position authentication process for the third electronic paper 2. If the authentication device 3 determines that the position of the third electronic paper 2 is correct, the authentication device 3 displays information on the third electronic paper 2 as shown in FIG.

  5A and 5B are diagrams illustrating an example of information display processing on the authentication device. As shown in FIG. 5A, three pieces of electronic paper 2 are sequentially stacked on the authentication device 3. The electronic paper 2 illustrated in FIG. 5A is the electronic paper 2 of the person in charge, the manager, and the person in charge. The authentication device 3 performs, for example, position authentication processing and device authentication processing for the three pieces of electronic paper 2. In the authentication apparatus 3, the positions of the three electronic papers 2 are correct, and the three electronic papers 2 are in the order of the electronic paper 2 of the person in charge, the electronic paper 2 of the manager, and the electronic paper 2 of the person in charge. If it is determined that the information is overlapped, the information is displayed on its own device (authentication device 3) as shown in FIG.

  6A to 6E are diagrams illustrating an example of information display processing on the authentication device. In this example, when a predetermined number (four) of electronic papers 2 are stacked on the authentication device 3, the authentication device 3 performs position authentication processing on the predetermined number of electronic papers 2, Information is displayed on its own device (authentication device 3). For example, as shown in FIG. 6A, the electronic paper 2 is overlaid on the authentication device 3, and as shown in FIG. 6B, the second electronic paper 2 is overlaid on the authentication device 3. Then, as shown in FIG. 6C, the third electronic paper 2 is stacked on the authentication device 3, and the fourth electronic paper 2 is placed on the authentication device 3 as shown in FIG. Paper 2 is stacked. The authentication device 3 performs position authentication processing on the four electronic papers 2 and displays information when determining that the positions of the four electronic papers 2 are correct. For example, if the four electronic papers 2 are made of a transparent material, the information displayed on the authentication device 3 can be referred to from above the electronic paper 2 as shown in FIG.

  FIG. 7 is a diagram for explaining another example of information display processing on electronic paper. Assume that the electronic paper 2 is not displaying character information, image information, or the like. As shown in FIG. 7, the authentication device 3 and the other authentication devices 3 each display the arrangement image 30. The user superimposes another authentication device 3 on the arrangement image 30 displayed on the authentication device 3, and superimposes the electronic paper 2 on the arrangement image 30 displayed on the other authentication device 3. The authentication device 3 performs position authentication processing on the other authentication device 3 and the electronic paper 2. If the authentication device 3 determines that the other authentication device 3 and the electronic paper 2 are overlapped at a predetermined position as a result of these two position authentication processes, the authentication device 3 displays information on the electronic paper 2.

  FIG. 8 is a diagram illustrating an example of the structure of electronic paper. As shown in FIG. 8, 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 a position detection means 21 such as a passive RFID. The back surface 2-4 functions as a cover.

  FIG. 9 is a diagram illustrating an example of the structure of the authentication device. As shown in FIG. 9, 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 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.

  FIG. 10 is a diagram illustrating an example of a cross section of the electronic paper and the authentication device. The position detecting means 21 of the electronic paper 2 shown in FIG. 10 is, for example, a passive RFID tag. Further, the position detection means 31 of the authentication device 3 is, for example, an RFID tag reader. FIG. 10 shows an example in which the electronic paper 2 is stacked on the authentication device 3. An RFID tag reader (position detection means) 31 shown in FIG. 10 transmits an electromotive wave to the position detection means (RFID tag) 21. 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. 11, 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 arranged on the authentication device 3 at a position as indicated by the tip of the arrow in FIG. In FIG. 11, the number described in the RFID tag reader 31 in the authentication device 3 is an identification number of the RFID tag reader 31. As shown in FIG. 11, 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. 10, the TCG chip 201 in the authentication device 3 is an RFID tag whose ID number read by each RFID tag reader 31 is set in advance, and the electronic paper 2 is correctly placed on the arrangement image of the authentication device 3. It is determined whether each RFID tag reader 31 matches the ID number of the RFID tag to be read when they are superimposed. 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. 10, 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.

  FIG. 12 is a diagram illustrating an example of a display instruction information transmission process flow by the authentication apparatus. In this example, the authentication device 3 sends display instruction information to the electronic paper 2 when the predetermined number of electronic papers 2 are correctly stacked on the authentication device 3 (at a predetermined position). First, the position detection means 31 of the authentication device 3 detects the position of the electronic paper 2 (step S1). Next, the determination processing means 33 determines whether or not the electronic paper 2 is stacked at a predetermined position (step S2). If the determination processing unit 33 determines that the electronic paper 2 is not stacked at a predetermined position, the process returns to step S1. If the determination processing unit 33 determines that the electronic paper 2 has been stacked at a predetermined position, the determination processing unit 33 determines whether or not the position authentication processing has been executed for a predetermined number of electronic papers 2 (step S31). S3). If the determination processing unit 33 determines that the position authentication processing has been executed for the predetermined number of electronic papers 2, it sends display instruction information to the electronic paper 2 (step S5) and ends the processing. If the determination processing unit 33 determines that the position authentication process has not been executed for the predetermined number of pieces of electronic paper 2, the condition of the next position authentication process is set (step S4), and the process returns to step S1. In step S4, the determination processing unit 33 sets, for example, a layout image to be displayed when the next electronic paper 2 is overlaid, or when the electronic paper 2 is correctly overlaid on the layout image of the authentication device 3. The identification means of the position detection means 21 in the electronic paper 2 to be read by the detection means 31 is set. 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.

  Another embodiment of the present invention will be described with reference to FIGS. 13 (A) to 13 (D). 13A to 13D illustrate cross sections of the electronic paper and the authentication device in a state in which a plurality (three) of electronic papers overlap the authentication device. According to one embodiment of the present invention, for example, as shown in FIG. 13A, 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 three electronic papers 2 are stacked on the authentication device 3, as shown in a portion surrounded by a dotted-line ellipse in FIG. 13A, the distance between the RFID tag reader 31 and the RFID tag 21 included in the electronic paper 2. Is big. 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. 13B, the interval between the RFID tag reader 31 in the part surrounded by the dotted ellipse in FIG. 13B and the RFID tag 21 included in the electronic paper 2 is the RFID tag reader 31. 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.

  Further, according to the 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 three electronic papers 2 are stacked 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 shown in FIG. ) As shown in FIG. Accordingly, 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. 13D 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.

  13A to 13D, 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 reading process of the ID number of the RFID tag 21 when the electronic paper 2 has a curved surface is the same as the reading process of the ID number described with reference to FIGS. 13 (A) to 13 (D). 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. 14 is a diagram showing another embodiment of the present invention. In the embodiment shown in FIG. 14, the electronic paper 2 and the authentication device 3 are used for a will disclosure act in the presence of a third party (for example, a lawyer). In this example, information indicating the content of a will regarding the inheritance of property is distributed and stored in each electronic paper 2 owned by each heir and lawyer. In the authentication device 3, information in the electronic paper 2 is used as a condition for the position authentication processing unless all heirs (inheritance A to heir D) and the electronic paper 2 owned by the lawyer are stacked on the authentication device 3. Set so that is not displayed. As shown in FIG. 14A, even if the electronic paper 2 owned by the heirs A to C is stacked on the authentication device 3, the electronic paper 2 owned by the heir D and the electronic paper owned by the lawyer No information is displayed on each electronic paper 2 unless 2 is superimposed on the authentication device 3. Here, when the electronic paper 2 owned by the heir D and the electronic paper 2 owned by the lawyer are superimposed on the authentication device 3, the authentication device 3 is placed in each electronic paper 2 as shown in FIG. The stored information is displayed on the electronic paper 2.

  FIG. 15 is a diagram showing another example of the system configuration of the present invention. The information display device 10 displays information on the electronic paper 2 or the authentication device 3 when the electronic paper 2 and the authentication device 3 are stacked a plurality of times, or information displayed on the electronic paper 2 or the authentication device 3 Is a processing device that hides. The information display device 10 includes an electronic paper 2 and an authentication device 3 that authenticates the electronic paper 2. The information display device 10 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 (position detection means 21 and position detection means 31) are provided in the electronic paper 2 and the authentication device 3, and the electronic paper 2 when the electronic paper 2 and the authentication device 3 are stacked. And the relative position between the authentication device 3 and the authentication device 3 is detected. The judgment processing means (judgment processing means 23 or judgment processing means 33) is configured so that the relative positions detected by the first and second position detection means (position detection means 21 and position detection means 31) have a predetermined relationship. A position authentication process for determining whether there is a plurality of times is performed, and a control signal is transmitted to the electronic paper 2 or the authentication device 3 based on the results of the plurality of position authentication processes. The information display means (information display means 22 or information display means 32) 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, the information display means (the information display means 22 or the information display means 32) sets an arrangement image, which is an image indicating an area where the electronic paper 2 and the authentication device 3 are to be superimposed, on the electronic paper 2 a predetermined number of times. Alternatively, it may be displayed on the authentication device 3. In addition, when the authentication processing unit (the determination processing unit 23 or the determination processing unit 33) overlaps the authentication device 3 with a predetermined number of times in a region where the arrangement image of the electronic paper 2 is displayed, or the authentication device 3 When the electronic paper 2 is superimposed a predetermined number of times on the area where the arrangement image is displayed, a control signal may be sent to the electronic paper 2 or the authentication device 3. According to an embodiment of the present invention, the information display unit (the information display unit 22 or the information display unit 32) may display the arrangement image on the electronic paper 2 or the authentication device 3 at a different position each time. .

  According to an embodiment of the present invention, the relative position between the electronic paper 2 and the authentication device 3 when the electronic paper 2 and the authentication device 3 are overlapped is associated with a predetermined number. If the determination processing means (the determination processing means 23 or the determination processing means 33) corresponds to a predetermined number sequence composed of the predetermined number, the above-described plurality of position authentication processing results are electronic paper. 2 or the authentication device 3 may be sent a control signal.

  According to an embodiment of the present invention, the information display means (the information display means 22 or the information display means 32) further displays the displayed character information or image information based on the transmitted control signal. You may make it display.

  In addition, according to an embodiment of the present invention, the determination processing unit (the determination processing unit 23 or the determination processing unit 33) further performs a device authentication process for the electronic paper 2 or the authentication device 3 a plurality of times, A control signal may be transmitted based on the result of the position authentication process and the result of the plurality of device authentication processes.

  The configuration of the electronic paper 2 shown in FIG. 15 is the same as the configuration of the electronic paper 2 shown in FIG. Further, the configuration of the authentication device 3 shown in FIG. 15 is the same as the configuration of the authentication device 3 shown in FIG. However, in the determination processing unit 33 included in the authentication device 3 illustrated in FIG. 15, the position of the electronic paper 2 detected by the position detection unit 31 (the relative position of the electronic paper 2 and the authentication device 3) is a predetermined position. (The relative position between the electronic paper 2 and the authentication device 3 is in a predetermined relationship) is performed a plurality of times, and the electronic paper is based on the results of the plurality of position authentication processes. 2 or a control signal (display instruction information or non-display instruction information) is sent to the information display means 32 of the authentication device 3. In the determination processing unit 33, for example, the number of times the position authentication process is performed is set in advance. Further, the determination processing unit 23 included in the electronic paper 2 illustrated in FIG. 15 performs a position authentication process for determining whether the position of the authentication device 3 detected by the position detection unit 21 is a predetermined position a plurality of times. A control signal (display instruction information or non-display instruction information) may be sent to the information display unit 22 of the electronic paper 2 or the authentication device 3 based on the result of the multiple position authentication processing.

  16A to 16F are diagrams illustrating an example of information display processing on electronic paper. In this example, information is displayed on the electronic paper 2 when the electronic paper 2 is superimposed on the authentication device 3 three times. For example, as illustrated in FIG. 16A, when the authentication device 3 displays the layout image 30, the user superimposes the electronic paper 2 on the layout image 30 illustrated in FIG. FIG. 16B shows the first superposition of the electronic paper 2 and the authentication device 3. When the authentication device 3 determines that the position of the electronic paper 2 is correct (is a predetermined position), the arrangement image 30 shown in FIG. 16C is displayed. When the user superimposes the electronic paper 2 on the arrangement image 30 shown in FIG. 16C, the electronic paper 2 overlaps the authentication device 3 as shown in FIG. FIG. 16D shows the second overlap of the electronic paper 2 and the authentication device 3. When the authentication device 3 determines that the position of the electronic paper 2 is correct, the arrangement image 30 shown in FIG. When the user superimposes the electronic paper 2 on the arrangement image 30 shown in FIG. 16E, the electronic paper 2 overlaps the authentication device 3 as shown in FIG. FIG. 16F illustrates the third overlap of the electronic paper 2 and the authentication device 3. When the authentication device 3 determines that the position of the electronic paper 2 is correct, information is displayed on the electronic paper 2 as shown in FIG.

  FIG. 17 is a diagram showing another embodiment of the present invention. According to the embodiment shown in FIG. 17, the relative position between the electronic paper 2 and the authentication device 3 when the electronic paper 2 and the authentication device 3 are overlapped is associated with a predetermined number. The determination processing means 33 (not shown) provided in the authentication device 3 adds a plurality of position authentication processing results for the electronic paper 2 to a predetermined number string (password) configured by the predetermined number. When it corresponds, a control signal is sent to the electronic paper 2 to display information on the electronic paper 2. For example, the authentication device 3 displays the arrangement image 30 shown in the shaded portion in FIG. In the arrangement image 30, ten numbers from 0 to 9 are displayed. Here, it is assumed that, for example, a number string “1928” is set in advance in the determination processing means 33 as the password. When the user overlaps the electronic paper 2 at the position shown in FIG. 17B on the arrangement image 30, the authentication device 3 detects the position where the electronic paper 2 is overlapped, and selects, for example, the number “1”. . Next, when the user places the electronic paper 2 on the arrangement image 30 at the position shown in FIG. 17C, the authentication device 3 selects, for example, the number “9”. Similarly, when the user places the electronic paper 2 on the position shown in FIG. 17D on the arrangement image 30, the authentication device 3 selects, for example, the number “2”, and the user places the electronic paper 2. When superimposed on the position shown in FIG. 17E on the arrangement image 30, the authentication device 3 selects, for example, the number “8”.

  The determination processing unit 33 of the authentication device 3 determines that the number string “1928” composed of the selected numbers matches the preset personal identification number “1928”, and displays information on the electronic paper 2.

  According to one embodiment of the present invention, when the determination processing unit 33 of the authentication device 3 determines that the number string “1928” composed of the selected numbers matches the preset password “1928”. Information may be displayed on its own device (authentication device 3).

  FIG. 18 is a diagram illustrating an example of a display instruction information transmission process flow by the authentication apparatus. In this example, when the electronic paper 2 is correctly stacked on the authentication device 3 a predetermined number of times (in a predetermined position), the authentication device 3 sends display instruction information to the electronic paper 2. First, the position detection means 31 of the authentication device 3 detects the position of the electronic paper 2 (step S11). Next, the determination processing unit 33 determines whether or not the electronic paper 2 is stacked at a predetermined position (step S12). If the determination processing unit 33 determines that the electronic paper 2 is not stacked at a predetermined position, the process returns to step S11. When the determination processing unit 33 determines that the electronic paper 2 has been stacked at a predetermined position, the determination processing unit 33 determines whether the position authentication processing has been executed a predetermined number of times (step S13). If it is determined that the position authentication process has been performed a predetermined number of times, the determination processing unit 33 sends display instruction information to the electronic paper 2 (step S15) and ends the process. If it is determined that the position authentication process has not been executed a predetermined number of times, the determination processing unit 33 sets conditions for the next position authentication process (step S14) and returns to step S11. In step S <b> 14, the determination processing unit 33 sets, for example, an arrangement image to be displayed when the electronic paper 2 is overlapped next time, or when the electronic paper 2 is correctly overlaid on the arrangement image of the authentication device 3. The identification means of the position detection means 21 in the electronic paper 2 to be read by the detection means 31 is set. Note that the processing flow when the authentication apparatus 3 sends the non-display instruction information to the electronic paper 2 is replaced with the above-described step S15, 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.

  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, authentication for ensuring security is performed by a simple operation of stacking electronic paper and an authentication device, and the electronic paper or the authentication device is authenticated depending on the authentication result. It is possible to display the information. Further, according to the information display device and the information display method of the present invention, only when the positional relationship between the electronic paper and the authentication device and the other electronic paper or the authentication device is set to a predetermined relative position or on the electronic paper or authentication. Since information is displayed on the apparatus, the security strength can be increased and the risk of information leakage 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.

In addition, according to the information display device and the information display method of the present invention, in order to display character information or image information on the electronic paper or the authentication device, the electronic paper and the authentication device are stacked at a predetermined position a plurality of times. There is a need. Therefore, according to the information display device and the information display method of the present invention, the security strength can be further increased and the risk of information leakage can be further reduced.

Claims (1)

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 ;
Provided in the authentication apparatus, the first and second position detecting means a plurality of times rows position authentication process based on a more sensed relative position and overlap state Utotomoni for the electronic paper or the authentication device performs the device authentication processing a plurality of times, said plurality of position authentication processing result, and a determination processing unit based on said plurality of device authentication processing result, and sends a control signal to the electronic paper chromatography,
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.

Images