Analogue electronic watch having a device for resetting the...

Details Analogue electronic watch having a device for resetting the... Analogue electronic watch having a device for resetting the...

2005-08-23

2005-08-23

Cuneo, Kamand (Department: 2841)

Horology: time measuring systems or devices

Power supply details

Electrical

C368S203000

Reexamination Certificate

active

06934223

ABSTRACT:
The electronic watch includes analogue display means (1) formed of at least one hand (2) driven by at least one motor (3), a time base (4) for controlling means (8) for driving said motor, a rechargeable power source (9), means (14) for stopping the motor (3) acting particularly on said drive means, and time counting means (18) in synchronism with said analogue display means (1) for a sufficient supply voltage. When the stopping means detect a power shortage, the display means are stopped and the corresponding value of the counting means is stored in storage means and the counting means continue to operate. As soon as the power supply is sufficient again, time difference calculating means (20) send time difference signals (21) between the stored value and the value of the counting means to the drive means in order to reset said analogue display means to the right time.

REFERENCES:
patent: 5280459 (1994-01-01), Nakamura
patent: 5457664 (1995-10-01), Izukawa et al.
patent: 6061304 (2000-05-01), Nagata et al.
patent: 6144622 (2000-11-01), Berney
patent: 6194878 (2001-02-01), Schafroth
patent: 0 855 633 (1998-07-01), None
patent: 0 919 887 (1999-06-01), None
patent: 1 014 227 (2000-06-01), None
patent: WO 98/33098 (1998-07-01), None

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