发明名称 ELECTRONIC WRIST WATCH
摘要 PURPOSE:To provide an electronic wrist watch, in which arrangement is such that printed circuit is formed on both sides of a film-like substrate, and windows for receiving elements such as LSI are formed by insulating members attached to the substrate, whereby provision of a lead frame can be made unnecessary.
申请公布号 JPS5349471(A) 申请公布日期 1978.05.04
申请号 JP19760124698 申请日期 1976.10.18
申请人 SEIKO INSTR & ELECTRONICS 发明人 OGAWA KENICHI
分类号 G04G17/04;G04G99/00;H05K7/02 主分类号 G04G17/04
代理机构 代理人
主权项
地址