EP 0306576 B1 19920812 - ELECTRONICALLY OPERATED TEAR-OFF TYPE CALENDAR
Title (en)
ELECTRONICALLY OPERATED TEAR-OFF TYPE CALENDAR
Publication
Application
Priority
EP 87308049 A 19870911
Abstract (en)
[origin: EP0306576A1] 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.)
IPC 1-7
IPC 8 full level
CPC (source: EP)
G04G 9/04 (2013.01); G04G 9/045 (2013.01); G09D 3/12 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0306576 A1 19890315; EP 0306576 B1 19920812; DE 3781156 D1 19920917; DE 3781156 T2 19930218
DOCDB simple family (application)
EP 87308049 A 19870911; DE 3781156 T 19870911