Electronic watch

申请号 JP14690776 申请日 1976-12-07 公开(公告)号 JPS5370863A 公开(公告)日 1978-06-23
申请人 Seiko Instr & Electronics Ltd; 发明人 SASAKI MASAYUKI;
摘要 PURPOSE: To make possible controlling of other apparatus than watch through the use of the ultrasonic waves being radiated by using an electro-mechanical acoustic transducer which converts coded electric signals to ultrasonic waves.
COPYRIGHT: (C)1978,JPO&Japio
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