发明名称 TIMER DEVICE, AND METHOD OF CONTROLLING TIMER DEVICE
摘要 A timing device having a generator unit, a storage unit, and a drive unit is provided. The generator unit has a generating coil and converts kinetic energy into electric energy by utilizing electromagnetic induction. The storage unit stores the electric energy. The drive unit has a piezoelectric actuator, a mechanical structure, and a time display unit. The piezoelectric actuator is supplied with the electric energy from the storage unit and is caused to oscillate according to signals from the communication unit. The mechanical structure is provided with a time display unit and is driven by the piezoelectric actuator.
申请公布号 EP1494096(A1) 申请公布日期 2005.01.05
申请号 EP20040713171 申请日期 2004.02.20
申请人 SEIKO EPSON CORPORATION 发明人 MARUYAMA, AKIHIKO;KITAHARA, JOJI;SAWADA, AKIHIRO
分类号 G04C3/12;G04R60/10 主分类号 G04C3/12
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