Electronic timepiece operable in continuous and stepwise modes

Details Electronic timepiece operable in continuous and stepwise modes Electronic timepiece operable in continuous and stepwise modes

1983-10-06

1985-05-14

Roskoski, Bernard

Horology: time measuring systems or devices

Electrical time base

Solid state oscillating circuit type

160185, 160160, G06F 104, G04F 500

Patent

active

045168636

ABSTRACT:
An electronic timepiece having a step motor is driven by a drive circuit which selectively produces either continuous hand-carrying pulses or stepwise hand-carrying pulses. The continuous hand-carrying pulses are produced by a continuous hand-carrying waveform shaping circuit connected to a frequency divider, and the stepwise hand-carrying pulses are produced by a stepwise hand-carrying waveform shaping circuit connected to the frequency divider. The selection of either the continuous hand-carrying pulses or the stepwise hand-carrying pulses is executed by a hand-carrying mode selection circuit in response to the operation of a reset switch for resetting the frequency divider.

REFERENCES:
patent: 3953778 (1976-04-01), Bray
patent: 4081735 (1978-03-01), Bray
patent: 4274150 (1981-06-01), Ikenishi et al.

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