Counter circuit for controlling the operation of a quartz clock

Details Counter circuit for controlling the operation of a quartz clock Counter circuit for controlling the operation of a quartz clock

1994-02-01

1996-10-15

Miska, Vit W.

Horology: time measuring systems or devices

Electrical time base

Solid state oscillating circuit type

368187, G04F 500, G04C 900

Patent

active

055661386

ABSTRACT:
An electronic circuit for controlling an analog quartz clock, particularly for installation in automobiles, has first and second counters for generating control pulses at different rates according to whether the clock is to be operated in a normal mode, or a time-setting mode. In addition, a single 11-bit counter allows "fast" or "slow" resetting of the time by a single push button.

REFERENCES:
patent: 4117663 (1978-10-01), Mosimann et al.
patent: 4150536 (1979-04-01), Nakajima et al.
patent: 4185453 (1980-01-01), Jaunin
patent: 4261048 (1981-04-01), Motoki et al.
patent: 4351042 (1982-09-01), Ginalski et al.
patent: 4357693 (1982-11-01), Plancon et al.
patent: 4367049 (1983-01-01), Laesser et al.
patent: 5016231 (1991-05-01), Kawaguchi

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