发明名称 MEMBRANE KEYBOARD WITH RESILIENT FOAM KEYS
摘要 <p>An improved membrane keyboard is provided wherein the keys are spatially separated and formed from resilient foam. Specifically, this membrane keyboard provides the user with a sensation of movement to indicate key activation.</p>
申请公布号 CA1172726(A) 申请公布日期 1984.08.14
申请号 CA19810381764 申请日期 1981.07.15
申请人 ROGERS CORPORATION 发明人 WOELFEL, ROBERT T.
分类号 G06F3/02;B41J5/08;H01H13/702;H01H13/712;(IPC1-7):G06F3/023 主分类号 G06F3/02
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