发明名称 Keyboard
摘要 Disclosed herein is an electrical keyboard having five keys arranged conveniently for the fingers of an operators hand, a memory to store the signals from each key, logic circuit to instruct said stored data after release of the last of said keys and an encoder to receive said stored signals and produce electrical output signals corresponding to readable characters; each character signal requiring a single operation of a unique combination of said input keys for production of said signal.
申请公布号 US4443789(A) 申请公布日期 1984.04.17
申请号 US19810320925 申请日期 1981.11.13
申请人 MICROWRITER LIMITED 发明人 ENDFIELD, CYRIL;RAINEY, CHRISTOPHER J.
分类号 G06F3/02;G06F3/023;H03M11/08;(IPC1-7):G06F3/02 主分类号 G06F3/02
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