Timepiece with display device for warning battery life

Details Timepiece with display device for warning battery life Timepiece with display device for warning battery life

1977-11-04

1979-11-27

Rubinson, Gene Z.

58 855, 58 58, 58 50R, 58152H, G04C 1700

Patent

active

041753771

ABSTRACT:
A timepiece provided with a display device for warning a battery life is disclosed. The timepiece comprises a correction signal control circuit which is controlled by two exteriorly operable switches and which control a battery voltage detection circuit whose sampling operation together with the warning display are interlocked with the operation of one of the exteriorly operable switches which functions as a digit selection switch, correction switch and display change-over switch. A warning display for a short time can be noticed by a bearer by operating the exteriorly operable switch without fail.

REFERENCES:
patent: 3898790 (1975-08-01), Takamane
patent: 3991553 (1976-11-01), Bergey
patent: 3998043 (1976-12-01), Tamaru
patent: 4044544 (1977-08-01), Yagi

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