Display tag, display tag system having display tag, and method for writing display tag information
First Claim
Patent Images
1. A display tag comprising:
- a sensing unit which captures an image displayed on a screen of an external tag writer, if the sensing unit is disposed opposite to the screen, wherein the sensing unit comprises a plurality of sensors which constitute a sensing area, and receives light rays of the image displayed on the screen of the external tag writer and outputs a signal corresponding to intensities of the light rays; and
a display unit which receives the signal from the sensing unit and displays the captured image, wherein the display unit comprises a plurality of pixels corresponding one-to-one to the plurality of sensors.
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Abstract
A display tag is provided. A display tag includes a sensing unit which captures an image displayed on a screen of an external tag writer, if a sensing unit is disposed opposite the screen; and a display unit which displays a captured image. Therefore, a user can visually recognize content related to tag information, and thus user convenience is enhanced.
34 Citations
20 Claims
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1. A display tag comprising:
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a sensing unit which captures an image displayed on a screen of an external tag writer, if the sensing unit is disposed opposite to the screen, wherein the sensing unit comprises a plurality of sensors which constitute a sensing area, and receives light rays of the image displayed on the screen of the external tag writer and outputs a signal corresponding to intensities of the light rays; and a display unit which receives the signal from the sensing unit and displays the captured image, wherein the display unit comprises a plurality of pixels corresponding one-to-one to the plurality of sensors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 17, 18)
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8. A display tag system comprising:
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a tag writer which displays an image corresponding to tag information on a tag writing area; and a display tag which captures the image displayed on the tag writing area, if a sensing unit of the display tag is disposed opposite to the tag writing area, wherein the display tag comprises; the sensing unit which captures the image displayed on the tag writing area, wherein the sensing unit comprises a plurality of sensors which constitute a sensing area, and receives light rays of the image displayed on the screen of the external tag writer and outputs a signal corresponding to intensities of the light rays; and a display unit which receives the signal from the sensing unit and displays the captured image, wherein the display unit comprises a plurality of pixels corresponding one-to-one to the plurality of sensors. - View Dependent Claims (9)
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10. A display apparatus comprising:
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a display unit which comprises a plurality of pixels; and a sensing unit which comprises a plurality of sensors which constitute a sensing area, and the plurality of sensors capture an image displayed on a screen of an external display apparatus by receiving light rays of the image displayed on the screen of the external display apparatus and outputs a signal corresponding to the light rays, and provide the display unit with the captured image, if the sensing unit is disposed opposite to the screen. - View Dependent Claims (11)
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12. A method for writing tag information of a display tag system, the method comprising:
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displaying at least one image corresponding to tag information which is capable of being provided by a tag writer; if one of the at least one image is selected as a selected image, displaying the selected image on a tag writing area on a screen of the tag writer; and if a display tag having a display unit is disposed opposite the tag writing area, receiving at least one of heat, vibration, light rays, and electromagnetic waves emitted from the external tag writer to generate power, automatically capturing, by the display tag, the selected image displayed on the tag writing area using the generated power, and displaying the captured image on the display unit, and writing, by the tag writer, tag information corresponding to the selected image on the display tag.
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13. A display tag comprising:
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a sensing unit which automatically captures an image emitted by an external tag writer, if the sensing unit is disposed adjacent to a screen of the external tag writer; a display unit which displays the captured image; and a power generator which generates power using at least one of heat, vibration, light rays emitted from the external tag writer, and electromagnetic waves, and supplies power to the sensing unit and the display unit, wherein the power generator supplies the power to the sensing unit and the sensing unit operates based on the supplied power to automatically capture the image, wherein the sensing unit comprises a plurality of sensors which constitute a sensing area, and wherein the display unit comprises a plurality of pixels corresponding one-to-one to the plurality of sensors. - View Dependent Claims (14, 19, 20)
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15. A method for writing tag information of a display tag system, the method comprising:
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displaying a plurality of images corresponding to tag information stored in an external tag writer; if one of the plurality of images is selected as a selected image, displaying the selected image on a first area of a screen of the external tag writer; if a display tag having a display unit is adjacent to the first area, receiving at least one of heat, vibration, light rays, and electromagnetic waves emitted from the external tag writer to generate power, automatically capturing, by the display tag, the selected image displayed on the first area using the generated power, and displaying the captured image on the display unit. - View Dependent Claims (16)
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Specification