Electronic wristwatch having an alarm device

Details Electronic wristwatch having an alarm device Electronic wristwatch having an alarm device

1976-07-21

1978-06-20

Witkowski, Stanley J.

58 38R, 58 88R, 58 90R, G04B 2312, G04C 2134

Patent

active

040954110

ABSTRACT:
An electronic wristwatch with an audible alarm device has an elongated casing in which there are two cavities separated from one another. An electronic time keeping unit is sealed in one of the cavities while an audio alarm device is housed in the other cavity. Preferably, the casing has a central portion from which opposite wing portions extend. The cavity for the time keeping unit is in the central portion while the cavity for the alarm device is in one of the wing portions. The cavity for the alarm device opens at the back of the casing and the alarm device is made up as a self-contained unit which fits into the cavity. A plurality of small holes extend from the cavity for the alarm device to the front of the casing for better transmission of sound.

REFERENCES:
patent: 3462943 (1969-08-01), Spadini et al.
patent: 3577876 (1971-05-01), Spadini
patent: 3638418 (1972-02-01), Spadini
patent: 3946549 (1976-03-01), Cake
patent: 3971207 (1976-07-01), Murakami et al.

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