Automatic setting of alternate time zone data in a multimode ele

Horology: time measuring systems or devices – Plural time zones

Patent

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Details

G04B 1922

Patent

active

055552269

ABSTRACT:
A multimode electronic timepiece includes a display, a plurality of manually actuated switches, and an integrated circuit having memory locations. The integrated circuit is programmed to keep time and to provide a plurality of modes, including time-of-day and at least one alternate time zone. The integrated circuit is further programmed to permit an operator of the multimode electronic timepiece to set the time-of-day and the alternate time zone in response to actuation of selected switches, and to store the time-of-day and the alternate time zone data in the memory locations. The improvement comprises a flag means which will copy the contents of the memory location storing the time-of-day data to the memory location for the alternate time zone data when the time-of-day has been set and the alternate time zone has not been set by the operator.

REFERENCES:
patent: 4821248 (1989-04-01), Yamasaki
patent: 4884254 (1989-11-01), Kawai et al.
patent: 4956829 (1990-09-01), Mitchell
patent: 4998229 (1991-03-01), Kubota
patent: 5008866 (1991-04-01), Thinesen

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