Chronograph wristwatch

Details Chronograph wristwatch Chronograph wristwatch

1976-11-22

1981-09-01

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With electro-optical display

368107, G04C 1900, G04F 800

Patent

active

042875854

ABSTRACT:
An electronic timepiece having a single digital display and being suitable to operate as a standard timekeeping wristwatch or in the alternative as a chronograph. Separate divider circuits are provided for performing the timekeeping and chronograph functions. A single set of switches is provided for controlling the operation of either divider circuit, a single selector circuit selecting which function is to be displayed and which divider is to be controlled by the switches. Indication means are provided for indicating which function is being displayed.

REFERENCES:
patent: 3646751 (1972-03-01), Purland et al.
patent: 3757509 (1973-09-01), Fujita
patent: 3795099 (1974-03-01), Tsurushi
patent: 3803827 (1974-04-01), Roberts
patent: 3854277 (1974-12-01), Samejima
patent: 3961472 (1976-06-01), Riehl

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