发明名称 PORTABLE ELECTRONIC WATCH
摘要 PURPOSE:To improve accuracy and facilitate the adjustment within watch by disposing a vibrator forming a part of an oscillation circuit in superposition to a watch module, and formming a part of an oscillation circuit in superposition to a watch module, and forming the vibrator to the size nearly the same as the main part of the watch module.
申请公布号 JPS5312657(A) 申请公布日期 1978.02.04
申请号 JP19760086929 申请日期 1976.07.21
申请人 SEIKO INSTR & ELECTRONICS 发明人 YAMASHITA SHIROU
分类号 G04G3/00;G04F5/06;H03H9/02 主分类号 G04G3/00
代理机构 代理人
主权项
地址