Electronic paper display system
First Claim
1. An electronic paper display system comprising:
- a display apparatus, having;
an electronic paper unit for holding a display state in a power-free state and displaying an image information by an application of magnetism or an electric field, a display-side communication unit for wirelessly transmitting and receiving information with a transfer apparatus, and a recording unit for generating an image based on received information and recording the image to the electronic paper unit; and
a transfer apparatus, having;
a transfer-side communication unit for wirelessly transmitting and receiving information with the display apparatus; and
an interface circuit for connection to an information processing apparatus;
wherein an image information produced at the information processing apparatus is transmitted in non-contact to the display apparatus through the transfer apparatus.
2 Assignments
0 Petitions
Accused Products
Abstract
It is an object to provide an electronic paper display system capable of communicating in non-contact with an electronic paper by transfer apparatus and managing information by use of an electronic paper high in illegibility and portability as a medium of information display.
An electronic paper display system that communication is made with display apparatus 2 having an electronic paper and wireless tag from transfer apparatus 1 capable of accessing a PC or a network, to perform a personal identification, based on which display information is transferred. Meanwhile, by transfer apparatuses 1 arranged in plurality in a space, the electronic paper is detected to manage information.
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Citations
66 Claims
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1. An electronic paper display system comprising:
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a display apparatus, having;
an electronic paper unit for holding a display state in a power-free state and displaying an image information by an application of magnetism or an electric field, a display-side communication unit for wirelessly transmitting and receiving information with a transfer apparatus, and a recording unit for generating an image based on received information and recording the image to the electronic paper unit; and
a transfer apparatus, having;
a transfer-side communication unit for wirelessly transmitting and receiving information with the display apparatus; and
an interface circuit for connection to an information processing apparatus;
wherein an image information produced at the information processing apparatus is transmitted in non-contact to the display apparatus through the transfer apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 51, 53)
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19. An information processing system, comprising:
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a display device including an electronic display device which keeps up a display content in a state of no power supply and which is operable to rewrite the display content; and
a processing device, which outputs display information to the display device;
wherein the display device and the processing device carry out transmission/reception of information by wireless communication;
the display device transmits specific identification information which is given to itself in advance, to the processing device;
the processing device determines display information and instruction information based on the specific identification information transmitted from the display device and processing procedures which are set up in advance, and transmits the determined display information and instruction information, to the display device; and
the display device carries out display control to the electronic display device based on the display information and instruction information from the processing device. - View Dependent Claims (26, 27, 28, 29, 30, 34, 36)
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20. An information processing system, comprising:
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a display device including an electronic display device which keeps up a display content in a state of no power supply and which is operable to rewrite the display content; and
a processing device, which outputs display information to the display device; and
a transfer device, which is connected to the display device through a wireless communication line and is connected to the processing device through a communication line;
wherein the display device transmits specific identification information which is given to itself in advance, to the processing device through the transfer device; and
the processing device determines display information and instruction information based on specific identification information from the display device and processing procedures which are set up in advance, and transmits the determined display information and instruction information, to the display device through the transfer device; and
the display device carries out display control to the electronic display device based on the display information and instruction information from the processing device. - View Dependent Claims (35)
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21. A information processing system, comprising:
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a plurality of display devices, each of which includes an electronic display device to which specific identification information is given in advance and which keeps up a display content in a state of no power supply and which is operable to rewrite the display content;
a processing device, which outputs display information to an appointed display device;
a processing device, which outputs display information to the display device; and
a transfer device, which is connected to the plurality of display devices through a wireless communication line and is connected to the processing device through a communication line and carries out an inquiry of specific identification information to the plurality of display devices periodically through the wireless communication line;
wherein an arbitrary display device, which responded the inquiry from the transfer device, transmits specific identification information which is given to itself in advance, to the processing device through the transfer device; and
the processing device determines display information and instruction information based on the specific identification information from the arbitrary display device and processing procedures which are set up in advance, and transmits this determined display information and instruction information, to the display device through the transfer device; and
the arbitrary display device carries out display control to the electronic display device based on the display information and instruction information from the processing device. - View Dependent Claims (22, 23, 24, 25, 31, 32, 33)
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37. A electronic paper system, comprising:
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a display device which is equipped with an electronic paper unit which keeps up a display state in a state of no power supply and displays an image by application of magnetism or an electric field;
a wireless circuit which receives an electromagnetic wave signal coming from an outside; and
a recording control circuit which generates an image based on reception information which is received by this wireless circuit and records the image on the electronic paper unit;
a transfer device which is connected to an information processing device and transfers information coming from the information processing device to the wireless circuit of the display device by use of a wireless signal such as magnetism and an electric field; and
an image reading device which is connected to the information processing device and reads out an image. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 54, 55, 56)
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57. A processing apparatus, having:
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an electric field generation unit, which generates a predetermined electric field for carrying out writing of visible information on a sheet medium;
an optical characteristic of which changes reversibly by an operation of an electric field and being equipped with a processor which judges a type of the sheet medium;
wherein that the electric field generation unit generates the predetermined electric field which corresponds to the type of the sheet medium which is judged by the processor. - View Dependent Claims (59, 60, 61, 62, 64, 65, 66)
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58. A processing apparatus having:
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an electric field generation unit which generates a predetermined electric field for carrying out erasing of visible information written on a sheet medium an optical characteristic of which changes reversibly by an operation of an electric field;
being equipped with a processor which judges a type of the sheet medium;
wherein the electric field generation unit generates the predetermined electric field which corresponds to the type of the sheet medium which is judged by the processor. - View Dependent Claims (63)
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Specification