Electronic timepiece with a chronograph system

Details Electronic timepiece with a chronograph system Electronic timepiece with a chronograph system

1985-09-25

1986-11-18

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368110, 368113, G04B 1904, G04F 800

Patent

active

046232613

ABSTRACT:
An electronic timepiece has a minute hand, hour hand, chronograph second hand, chronograph minute hand and chronograph hour hand. A first gear train is provided for transmitting the output of a motor to a second wheel of the chronograph second hand. A second gear train is provided for transmitting the rotation of the chronograph second wheel to a minute wheel of the chronograph minute hand, and a third gear train is separately provided from the first gear train and provided for transmitting the rotation of the chronograph second wheel to an hour wheel of the chronograph hour hand.

REFERENCES:
patent: 4212158 (1980-07-01), Tamaru
patent: 4270197 (1981-05-01), Minowa
patent: 4364669 (1982-12-01), Thoenig
patent: 4389122 (1983-08-01), Dubois et al.
patent: 4523857 (1985-06-01), Ushikoshi
patent: 4537514 (1985-08-01), Moriya

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