发明授权
- 专利标题： Temperature compensated oscillator using temperature controlled continual switching of frequency determining impedance
- 专利标题（中）： 温度补偿振荡器采用温度控制连续切换频率决定阻抗
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申请号： US3568093D申请日： 1968-12-23
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公开(公告)号： US3568093A公开(公告)日： 1971-03-02
- 发明人: ISHIDA FUJIO , KATO YOSHIAKI
- 申请人： CITIZEN WATCH CO LTD
- 专利权人： Citizen Watch Co Ltd
- 当前专利权人： Citizen Watch Co Ltd
- 优先权： JP592168 1968-01-31
- 主分类号： G04B17/22
- IPC分类号： G04B17/22 ; G04C11/08 ; H03L1/02 ; H03B3/04 ; H03B5/36
摘要：
Method of and device for compensating the temperature variation in the oscillation frequency of an oscillator wherein an impedance element, for example, a capacitor coupled to the oscillator is switched between two levels of its value, whereby the temperature variation is compensated for on an average.
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