Rewritable bar code display medium, and image display method and image display apparatus using the same
AssigneeRicoh Company, Ltd.
InventorsYoshihiko Hotta, Keishi Kubo, Shoji Maruyama, Takashi Yano, Hajime Takayama
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Abstract
A rewritable bar code display medium is disclosed, which is composed of a support and a reversible thermosensitive recording layer for reversibly forming bar codes therein formed on the support, which reversible thermosensitive recording layer varies in transparency with change in temperature, and an image display method using the rewritable bar code display medium, and an apparatus for implementing the image display method are also disclosed.
Claims11
A rewritable bar code display medium comprising a support and a reversible thermosensitive recording layer for reversibly forming bar codes therein formed on said support, which reversible thermosensitive recording layer varies in transparency with change in temperature.
An image display method of forming an image in a white opaque state or in a transparent state comprising the step of applying heat to a rewritable bar code display medium comprising a support and a reversible thermosensitive recording layer formed thereon which is reversibly altered between a transparent state and a white opaque state with change in temperature and which comprises a resin matrix and a low-molecular weight organic compound dispersed in said resin matrix.
Dependencies are inferred from the claim text.