Electric timepiece for displaying the operating condition thereo

Details Electric timepiece for displaying the operating condition thereo Electric timepiece for displaying the operating condition thereo

1978-12-14

1981-04-21

Weldon, Ulysses

Horology: time measuring systems or devices

Chronological

With power monitor

368203, 368204, G04B 900

Patent

active

RE0305880

ABSTRACT:
In a battery operated electric timepiece operated by a battery of the type including a time display, such as a second hand, when the voltage of the battery decreases below a predetermined value, the movement of the second hand is modified to give an alarm that the life of the battery has terminated.

REFERENCES:
patent: 3451210 (1969-06-01), Helterline, Jr. et al.
patent: 3540207 (1970-11-01), Keeler
patent: 3553957 (1971-01-01), Dome et al.
patent: 3568430 (1971-03-01), Walton
patent: 3591957 (1971-07-01), Cobarg
patent: 3665703 (1972-05-01), Cobarg
patent: 3668861 (1972-06-01), Mitsui
patent: 3802182 (1974-04-01), Fujita
patent: 3807164 (1974-04-01), Zaisky et al.
patent: 3841087 (1974-10-01), Kikuchi
patent: 3898790 (1975-08-01), Takamune et al.
patent: 4014164 (1977-03-01), Fujita

Affiliated with

Also associated with

Rating

Electric timepiece for displaying the operating condition thereo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electric timepiece for displaying the operating condition thereo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electric timepiece for displaying the operating condition thereo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-550834