Transparent touch switching system

Details Transparent touch switching system Transparent touch switching system

1982-02-22

1985-05-07

Crosland, Donnie L.

Communications: electrical

Audible indication

Percussion-type sound producer

340365A, 340712, 310311, 310330, G08C 900

Patent

active

045161127

ABSTRACT:
A transparent touch switching system is provided for direct overlay on a display screen to enable operator input by merely touching the screen. A piezoelectric polymer film is supported above the screen for selective localized depression towards the screen. The film has transparent flexible conductive coatings on opposite sides thereof for voltage generation in response to depression of the film.

REFERENCES:
patent: 3495232 (1970-02-01), Wagner
patent: 3591749 (1971-07-01), Comstock
patent: 3935485 (1976-01-01), Yoshida et al.
patent: 3940637 (1976-02-01), Ohigashi et al.
patent: 4186392 (1980-01-01), Holz
patent: 4190785 (1980-02-01), Kompanek
patent: 4224615 (1980-09-01), Penz
patent: 4286289 (1981-08-01), Ottesen et al.
patent: 4307383 (1981-12-01), Brienza
patent: 4310839 (1982-01-01), Schwerdt
Naval Research Reviews, May 1978, pp. 9-11.

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