发明名称 ELECTRONIC WATCH HAVING PHOTO SENSORS
摘要 <p>PURPOSE:To perform daily sun-bathing necessary for health by wearing the watch, performing displaying of the necessary quantity thereof and letting charging be accomplished by performing displaying by using photo sensors constituted by solar batteries.</p>
申请公布号 JPS5428173(A) 申请公布日期 1979.03.02
申请号 JP19770093662 申请日期 1977.08.04
申请人 SEIKO INSTR & ELECTRONICS 发明人 HATSUTORI YOSHIO
分类号 G04G9/00;G04G19/00;G04G99/00 主分类号 G04G9/00
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