发明名称 Flexible membrane keyboard
摘要 A flexible membrane keyboard comprises opposed flexible plastic membranes having pressure sensitive switches embedded therebetween. Each pressure sensitive switch is individual to a particular letter, numeral, symbol, or function. A microprocessor is connected to each of the pressure sensitive switches and generates a keyboard output indicative of the pressure sensitive switch or group of pressure sensitive switches that is actuated at any particular time.
申请公布号 US6603408(B1) 申请公布日期 2003.08.05
申请号 US20000605916 申请日期 2000.06.28
申请人 GABA BRENDA LEWELLEN 发明人 GABA BRENDA LEWELLEN
分类号 G06F3/02;H01H13/702;H01H13/785;(IPC1-7):H03K17/94;H03M11/00 主分类号 G06F3/02
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