Frequency adjusting circuit

Details Frequency adjusting circuit Frequency adjusting circuit

1978-06-15

1980-09-30

Heyman, John S.

Horology: time measuring systems or devices

Cases

Adaptable

328 48, 368200, H03K 117, H03K 2130

Patent

active

042258243

ABSTRACT:
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.

REFERENCES:
patent: 3952254 (1976-04-01), Kurita et al.
patent: 3988886 (1976-11-01), Kashio
patent: 4009445 (1977-02-01), Hasegawa
patent: 4101838 (1978-07-01), Aihara et al.
patent: 4132060 (1979-01-01), Kashio

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