发明名称 A Method of Defining Graphic and Alphanumeric Signs on Single Keys.
摘要 1. A method of defining graphic and alphanumeric signs on single keys particularly on computer keyboards using optoelectronic imaging elements, characterised in that into the used optoelectronic imaging element built in the keys is inserted a defined optional graphic or alphanumeric sign by means of an electric signal generated through a user's graphic interface, which sign specifies the function of a key, where the signal is transmitted through a series port or a universal port.
申请公布号 PL178077(B1) 申请公布日期 2000.02.29
申请号 PL19950310234 申请日期 1995.08.31
申请人 DROZDOWSKI GRZEGORZ;PAWLAK ANDRZEJ 发明人 DROZDOWSKI GRZEGORZ;PAWLAK ANDRZEJ
分类号 G06F3/023;H03K17/94;H03M11/26 主分类号 G06F3/023
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