Patent
1976-09-08
1977-11-22
Weldon, Ulysses
58 23R, G04C 300
Patent
active
040589692
ABSTRACT:
In a battery operated an electric timepiece operated by a battery of the type 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: 3672155 (1972-06-01), Bergey et al.
patent: 3898790 (1975-08-01), Takamune et al.
patent: 3962859 (1976-06-01), Ito
Kume Kazunari
Morokawa Shigeru
Oono Hideshi
Sato Hideo
Tamaru Munetaka
Citizen Watch Co. Ltd.
Weldon Ulysses
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