Time-keeping instrument, in particular an analog-type electric w

Details Time-keeping instrument, in particular an analog-type electric w Time-keeping instrument, in particular an analog-type electric w

1996-05-23

1998-08-04

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With power monitor

G04B 900

Patent

active

057904782

ABSTRACT:
The wrist watch comprises essentially a battery (10), two electric motors (11, 12) which moves the hands (13, 14, 15) on the one hand and a disk of dates (16) on the other hand, an electronic circuit (23) and a watch-type microprocessor (22). When there is a determination by the electronic circuit (23) of the end of the life of the battery, the microprocessor powers the motor (12) in such a manner that the date displayed in the window (17) of the watch is displaced with respect to its normal position.

REFERENCES:
patent: 4074515 (1978-02-01), Asano
patent: 4226081 (1980-10-01), Ichikawa
patent: 4228646 (1980-10-01), Kato
patent: 4236237 (1980-11-01), Ichikawa
patent: 5446702 (1995-08-01), Mossuz et al.

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