Touch sensitive electrodes formed on the frame of an electronic

Details Touch sensitive electrodes formed on the frame of an electronic Touch sensitive electrodes formed on the frame of an electronic

1976-06-30

1977-09-20

Witkowsi, Stanley J.

58 23A, 58 50R, 58 88R, 58 91, G04B 3700, G04C 300

Patent

active

040487962

ABSTRACT:
An upper metal frame or a bezel and a rear metal frame of an electronic wristwatch are electrically isolated from each other by interposing an insulating frame therebetween. The upper metal frame or the bezel is connected to one input terminal of a touch sensitive electronic switching circuitry disposed in the electronic wristwatch, whereas the rear metal frame is connected to another input terminal of the touch sensitive electronic switching circuitry.

REFERENCES:
patent: 3742699 (1973-07-01), Bergey
patent: 3838568 (1974-10-01), Zurcher et al.
patent: 3846971 (1974-11-01), Ho et al.
patent: 3911664 (1975-10-01), Haber
patent: 3939643 (1976-02-01), Nishikubo
patent: 3940920 (1976-03-01), Nakamura et al.
patent: 3983690 (1976-10-01), McClintock

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