Digital alarm wristwatch

Details Digital alarm wristwatch Digital alarm wristwatch

1978-12-06

1981-02-10

Jackmon, Edith S.

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

368250, 368289, 340387, G04C 2116, G04B 3700, G08B 300

Patent

active

042505739

ABSTRACT:
A digital display electronic alarm wristwatch which includes a watch case, a cover glass and a case back contains an electro-optical display device, electronic watch body and an alarm buzzer mounted in the watch case and case back not to overlap with the display device in plan view. The watch case is formed with buzzer cover holes on the display side of the case for releasing the alarm buzzer sound.

REFERENCES:
patent: 3462943 (1969-08-01), Spadini et al.
patent: 3577876 (1971-05-01), Spadini
patent: 3638418 (1972-02-01), Spadini
patent: 3858389 (1975-01-01), Isuruishi
patent: 4068461 (1978-01-01), Fassett et al.

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