发明授权
- 专利标题: Radio-controlled timepiece
- 专利标题(中): 无线电遥控表
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申请号: US14283949申请日: 2014-05-21
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公开(公告)号: US09436164B2公开(公告)日: 2016-09-06
- 发明人: Takashi Sano
- 申请人: CASIO COMPUTER CO., LTD.
- 申请人地址: JP Tokyo
- 专利权人: CASIO COMPUTER CO., LTD.
- 当前专利权人: CASIO COMPUTER CO., LTD.
- 当前专利权人地址: JP Tokyo
- 代理机构: Holtz, Holtz & Volek PC
- 优先权: JP2013-111433 20130528
- 主分类号: G04R20/10
- IPC分类号: G04R20/10 ; G04G3/04
摘要:
Disclosed is a radio-controlled timepiece. The radio-controlled timepiece includes an oscillating unit, a display unit, a display driving unit, an error storage unit, a radio wave receiving unit, and a frequency setting unit. The display driving unit drives the display unit with a driving signal of a predetermined driving waveform frequency generated by the clock signal output by the oscillating unit. The error storage unit stores error data of an oscillating frequency. The radio wave receiving unit tunes to a receiving frequency of a radio wave including time information, and receives the radio wave. The frequency setting unit sets the driving waveform frequency based on the error data so that the receiving frequency does not overlap with a higher order harmonic wave of the driving waveform frequency during a period that the radio wave is received.
公开/授权文献
- US20140355392A1 RADIO-CONTROLLED TIMEPIECE 公开/授权日:2014-12-04
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