Voltage control system for electronic timepiece

Details Voltage control system for electronic timepiece Voltage control system for electronic timepiece

1980-08-08

1982-05-04

Reynolds, B. A.

Horology: time measuring systems or devices

Power supply details

Electrical

368156, 368 66, 331185, 331 70, G04G 300

Patent

active

043285724

ABSTRACT:
In an electronic timepiece powered by a lithium battery, a voltage control system is provided whereby a supply voltage of approximately one half of the battery voltage is supplied to certain portions of the timepiece circuit under normal operating conditions, but whereby cessation of operation by the timebase oscillator circuit of the timepiece due to some abnormal state such as excessively low ambient operating temperature is automatically detected and a changeover is made to supply of the full battery voltage to all of the timepiece circuitry. Upon recovery of operation of the timebase oscillator circuit, changeover to the low voltage supply state is performed.

REFERENCES:
patent: 4221111 (1980-09-01), Onda et al.
patent: 4226081 (1980-10-01), Ichikawa

Affiliated with

Also associated with

Rating

Voltage control system for electronic timepiece does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Voltage control system for electronic timepiece, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Voltage control system for electronic timepiece will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-885033