1976-02-18
1977-08-02
Witkowski, Stanley J.
58 1M, 58 43, 58 50R, 58 55, 58 88R, G04B 1930, G04C 300
Patent
active
040388140
ABSTRACT:
An electronic watch in a watch case comprising a crystal oscillator, an integrated circuit chip having at least an oscillator circuit and display device, a battery, at least two magnetically operated switches for controlling the watch functions, and one or more magnets movably coupled to the watch case for operating the switches. The magnets and the switches are arranged such that the switches are operated by manually moving the magnet to magnetize any of the switches, thereby increasing the water-proof competency with easier handling.
REFERENCES:
patent: 3693344 (1972-09-01), Cleusix
patent: 3759031 (1973-09-01), McCullough et al.
patent: 3782102 (1974-01-01), Bergey
patent: 3911663 (1975-10-01), Kern et al.
Citizen Watch Co. Ltd.
Witkowski Stanley J.
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