Control and correction circuit for an electronic watch

Details Control and correction circuit for an electronic watch Control and correction circuit for an electronic watch

1975-12-10

1977-05-24

Jackmon, E. S.

58 855, G04C 300, G04B 2700

Patent

active

040246787

ABSTRACT:
A control and correction circuit for an electronic watch involving three push-buttons which are actuable to select and/or correct the information displayed by the watch. The push-buttons provide actuating signals to a delay device and to logic selection circuits which provide outputs to control the counters of the watch circuit. The delay device enables a secondary display to be displayed for a predetermined time after which the device returns to its initial state. During the predetermined time the information displayed may be corrected by actuation of the second or third push-button in which case the secondary display is held unitl the correction operation is complete before returning to its initial condition.

REFERENCES:
patent: 3765163 (1973-10-01), Levin et al.
patent: 3800525 (1974-04-01), Bergey

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