Frequency division system

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United States of America Patent

PATENT NO 4244043
SERIAL NO

06025048

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system for performing frequency division of a high frequency signal by intermittent operation of a frequency dividing counter circuit and by a phase lock loop circuit, in which phase lock is periodically achieved with an output of the counter circuit. Phase lock loop circuit is of novel design which provides exact phase lock without cyclic variations from the reference phase.

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Patent Owner(s)

  • CITIZEN WATCH CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ebiha, Heihachiro Tokorozawa, JP 1 32
Fujita, Hiro Sayama, JP 5 115
Sekiya, Fukuo Tokorozawa, JP 34 274
Tsuzuki, Akira Tokorozawa, JP 31 1013

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