发明申请
- 专利标题： Power supply unit and electronic timepiece
- 专利标题（中）： 电源单元和电子表
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申请号： US13199499申请日： 2011-08-31
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公开(公告)号： US20120057437A1公开(公告)日： 2012-03-08
- 发明人: Kazuo Kato , Akira Takakura , Toshitaka Fukushima , Keisuke Tsubata , Hisao Nakamura , Tomohiro Ihashi , Yoshinori Sugai , Eriko Noguchi , Satoshi Sakai , Takanori Hasegawa
- 申请人： Kazuo Kato , Akira Takakura , Toshitaka Fukushima , Keisuke Tsubata , Hisao Nakamura , Tomohiro Ihashi , Yoshinori Sugai , Eriko Noguchi , Satoshi Sakai , Takanori Hasegawa
- 优先权： JP2010-197009 20100902; JP2011-147386 20110701
- 主分类号： G04G19/06
- IPC分类号： G04G19/06 ; G05F5/00
摘要：
A power supply unit includes: a first power supply circuit that supplies a voltage to a load driving unit that drives a load unit; a second power supply circuit that supplies a voltage to circuits other than the load driving unit; and a control unit that switches the voltage supplied to the first power supply circuit and the voltage supplied to the second power supply circuit in accordance with properties of the load driving unit.
公开/授权文献
- US08982675B2 Power supply unit and electronic timepiece 公开/授权日：2015-03-17