Electronic timepiece with mixed time setting

Details Electronic timepiece with mixed time setting Electronic timepiece with mixed time setting

Filed on

1978-06-21

Date issued

1980-04-29

Examiner

Miska, Vit W.

Patent Class

Horology: time measuring systems or devices

SubClass

Chronological

SubSubClass

With mechanical or electromechanical driven display

Other Related Categories

368188, G04C 900, G04B 2700

Type

Patent

Status

active

Patent number

041999320

Description

ABSTRACT:
An electronic timepiece having an analog display including a time setting mechanism for correction of the hour hand independently of the other hands including an auxiliary circuit for supplying a rapid frequency train of pulses to a step motor for displacing a train of gear wheels by an amount equivalent to a complete turn of the second hand.

REFERENCES:
patent: 2198632 (1940-04-01), Mullan
patent: 2860481 (1958-11-01), Black
patent: 3739568 (1973-06-01), Van Haaften
patent: 3810356 (1974-05-01), Fujita
patent: 3841081 (1974-10-01), Komaki
patent: 3948036 (1976-04-01), Morokawa
patent: 4030283 (1977-06-01), Sauthier et al.

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