发明名称 Input device
摘要 An input device has a matrix input unit having a plurality of switches for inputting a pattern, a signal generator for generating signals identifying the actuation of the switches, and a discriminator responsive to the signals from the signal generator to discriminate the actuated one of the switches. The discriminator discriminates the actuated switch by checking an interval of the signals from the sequentially actuated switches.
申请公布号 US4696048(A) 申请公布日期 1987.09.22
申请号 US19860912652 申请日期 1986.09.29
申请人 CANON KABUSHIKI KAISHA 发明人 SADO, ICHIRO
分类号 G06F3/041;G06F3/023;G06F3/048;H03M11/20;(IPC1-7):G06K9/00 主分类号 G06F3/041
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