发明名称 ELECTRONIC WRIST WATCH WITH CALCULATOR SYSTEM
摘要 PURPOSE:To provide an electronic wrist watch with calculator, in which input and output keyboard is made in the form of ''touch-switch'', that is operable through mere touchment of finger, and number of input and output keys for use in input and output system is reduced, whereby contact point and movable parts are removed from the entire system, so that structure is simplified and at the same time reliability is improved.
申请公布号 JPS5296068(A) 申请公布日期 1977.08.12
申请号 JP19760012979 申请日期 1976.02.09
申请人 SUWA SEIKOSHA KK 发明人 KAWAMURA YOSHIICHI;SHIMOI AKIO;IWAI YUUICHIROU
分类号 G04G9/00;G04G99/00 主分类号 G04G9/00
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