Horology: time measuring systems or devices – Plural time zones
Patent
1990-01-16
1991-04-16
Roskoski, Bernard
Horology: time measuring systems or devices
Plural time zones
368 74, G04B 1922
Patent
active
050088661
ABSTRACT:
A multimode electronic timepiece includes a display, an audible alarm device, a plurality of manually actuated switches, and an integrated circuit programmed to keep time and to provide a plurality of modes including time-of-day, alternate time zone and alarm setting modes. The integrated circuit is programmed to permit an operator to set time-of-day in response to actuation of selected switches, to set alternate time zone time in response to actuation of selected switches, and to set alarm set time in response to actuation of selected switches. The integrated circuit has a memory location for time-of-day and is programmed to selectively actuate the audible alarm device when the alarm set time corresponds to time-of-day in said memory location. The improvement comprises a flag selected in response to actuation of one of the switches which will substitute the alternate time zone time for time-of-day, whereby the audible alarm device may be selectively actuated when the alarm set time corresponds either to time-of-day or to alternate time zone time, depending upon setting of the flag.
REFERENCES:
patent: 4274151 (1981-06-01), Kamiwaki
Crutcher William C.
Roskoski Bernard
Timex Corporation
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