Rewritable thin image display sheet, image display, and...

Stock material or miscellaneous articles – Composite – Of wax or waxy material

Reexamination Certificate

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Details

C428S203000, C428S204000, C428S205000, C428S206000, C428S207000, C428S212000, C428S323000, C428S332000, C428S693100, C106S031290, C106S031640, C106S031650, C106S031920, C349S089000, C349S090000, C349S091000

Reexamination Certificate

active

07459218

ABSTRACT:
Discloses is a rewritable thin image display sheet, an image display apparatus and an image display system. In the image display system, a low-melting-point wax18with a magnetic powder16dispersed therein is held between a heat-generation layer12and a transparent layer14which are disposed spaced apart from one another, and a zone of the low-melting-point wax18corresponding to a pixel for image display is selectively heated and molted by the heat-generation layer12. Then, the magnetic powder16in the molten zone is displaced toward the transparent layer14so as to display a given image on the transparent layer. The rewritable thin image display sheet, the image display apparatus and the image display system can reliably display an image in a rewritable state while achieving a significantly simplified structure.

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Machine Translation of JP 09-281907 A (JP pub date 1997).
Derwent Abstract for EP 1162496 A1 (Derwent Acc No. 2001-060342) (EP pub date Dec. 12, 2001).

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