发明授权
- 专利标题： Frequency adjusting circuit
- 专利标题（中）： 频率调节电路
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申请号： US915739申请日： 1978-06-15
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公开(公告)号： US4225824A公开(公告)日： 1980-09-30
- 发明人: Mitsuo Sekine , Sizuo Yamaguchi
- 申请人： Mitsuo Sekine , Sizuo Yamaguchi
- 申请人地址： JPX Tokyo
- 专利权人： Citizen Watch Co. Ltd.
- 当前专利权人： Citizen Watch Co. Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX52-73695 19770621
- 主分类号： G04G3/02
- IPC分类号： G04G3/02 ; H03K5/00 ; H03K23/64 ; H03K1/17 ; H03K21/30
摘要：
A frequency adjusting circuit for digitally adjusting the frequency of a time reference signal consisting of a series of pulses is disclosed. The circuit function to adjust the frequency of said series of pulses by subtracting or adding a given number of pulses from or to said series of pulses for a time set beforehand every time upon receipt of a predetermined number of pulses of said time reference signal.
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