Apparatus having a rewritable display portion
First Claim
Patent Images
1. A recording medium having a display portion for displaying recorded contents, wherein said display portion is rewritable by being formed with a display device that can repeatedly record and erase visible information.
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Accused Products
Abstract
A videocassette has a display portion for displaying recorded contents. The display portion is formed with a display device. The display device has a conductive layer, a PDLC (polymer-dispersed liquid crystal) film, and a protective layer. The display device can repeatedly record and erase visible information.
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Citations
17 Claims
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1. A recording medium having a display portion for displaying recorded contents,
wherein said display portion is rewritable by being formed with a display device that can repeatedly record and erase visible information.
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4. A method of using a recording medium having a display portion for displaying recorded contents, said display portion being rewritable by being formed with a display device that can repeatedly record and erase visible information,
wherein an image obtained by processing an image signal recorded on said recording medium is displayed on said display portion.
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7. A container for storing a recording medium, said container having a display portion for displaying contents recorded on the recording medium,
wherein said display portion is rewritable by being formed with a display device that can repeatedly record and erase visible information.
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10. A method of using a container for storing a recording medium, said container having a display portion for displaying contents recorded on the recording medium, said display portion being rewritable by being formed with a display device that can repeatedly record and erase visible information,
wherein an image obtained by processing an image signal recorded on said recording medium is displayed on said display portion.
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13. A mechanically scrollable display comprising a first winder around which a rewritable display medium is wound, and a second winder which winds up the rewritable medium unwound from the first winder,
wherein at least a write unit for writing information to said display medium and an erase unit for erasing information from said display medium are disposed near an entrance/exit portion of either of said first and second winders.
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14. A mechanically scrollable display comprising a first winder around which a rewritable display medium is wound, and a second winder which winds up the rewritable medium unwound from the first winder,
wherein at least an erase unit for erasing information from said display medium is disposed near an entrance/exit portion of either of said first and second winders.
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15. A mechanically scrollable display comprising a first winder around which a rewritable display medium is wound, and a second winder which winds up the rewritable medium unwound from the first winder,
wherein a write unit for writing information to said display medium is disposed near an entrance/exit portion of said first winder, and an erase unit for erasing information from said display medium is disposed near an entrance/exit portion of said second winder.
Specification