Analogue electronic timepiece with an alarm device

Details Analogue electronic timepiece with an alarm device Analogue electronic timepiece with an alarm device

1980-09-09

1982-03-16

Reynolds, B. A.

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

368 73, 368 80, 368251, G04B 2708

Patent

active

043204791

ABSTRACT:
An analogue electronic timepiece is described having an oscillator, a frequency divider, a hand display means, an hour and minute circuit for counting the output of the frequency divider, and an alarm setting circuit. An equality checking circuit adapted to compare the output of the hour and minute circuit with the output of the alarm setting circuit to produce a coincidence signal. An alarm device is operated by the coincidence signal, gate means, and a manual switch. The gate means is so arranged to produce a signal for setting an alarm time in the alarm setting circuit in accordance with the closing of the switch.

REFERENCES:
patent: 3759029 (1973-09-01), Komaki
patent: 3911665 (1975-10-01), Van Berkum
patent: 4074516 (1978-02-01), Kondo
patent: 4196583 (1980-04-01), Komaki

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