发明名称 Electronically operated tear-off type calendar.
摘要 <p>An image element indicating devie for visually distinguishably indicating only a predetermined image element among a plurality of image elements (12, 13, 14, 15) indicated on an image indicating surface (11) of a sheet (16) from other image elements, comprises electro-optic element (31, 36) forming each image element and printed on or attached to the image indicating surface of the sheet, the element (31, 36), when being driven by an electric signal, changing between a first optical state to a second optical state which is visually distinguishable from the first optical state, and a drive control circuit (20) for electrically bringing only a single or a plurality of image elements, which are variably determined from among the various image elements, to the second optical state, the drive control circuit (20), conductive wiring lines (27x, 27y) and a power battery (28) being mounted on the sheet (16.)</p>
申请公布号 EP0306576(A1) 申请公布日期 1989.03.15
申请号 EP19870308049 申请日期 1987.09.11
申请人 SEKI, TETSUYA;SEKI, NORIHIKO 发明人 SEKI, TETSUYA
分类号 G04G9/04;G09D3/12;(IPC1-7):G09D3/12;G04G9/00 主分类号 G04G9/04
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