Hand-indication type electronic timepiece

Details Hand-indication type electronic timepiece Hand-indication type electronic timepiece

1978-09-07

1980-06-17

Jackmon, Edith S.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368185, G04C 300, G04B 2700

Patent

active

042077320

ABSTRACT:
A hand-indication type electronic timepiece is disclosed which has a vibrator such as a quartz crystal vibrator, an electronic circuit including an oscillator, a frequency divider, a driver, and a motor for operating hands, and other components, said electronic circuit comprising a plurality of pulse control circuits for different functions such as a pulse generator for normal hand operation, a fast feed pulse forming circuit, a pulse output stop circuit, and a circuit for producing output pulses for said normal hand operation after some specific periods of time with external control signals applied thereto as input signals, said pulse control circuits being selectively operated by external operating means, so that said motor for operating hands may be controlled by multiple steps by said external operating means.

REFERENCES:
patent: 4143509 (1979-03-01), Weibel

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