Touch sensitive control panel utilizing pyroelectric material

Details Touch sensitive control panel utilizing pyroelectric material Touch sensitive control panel utilizing pyroelectric material

1980-03-08

1981-12-22

Groody, James J.

Communications: electrical

Audible indication

Percussion-type sound producer

112158E, G06F 302

Patent

active

043073832

ABSTRACT:
A touch sensitive control panel utilizing pyroelectric material to provide output signals representative of an area touched by an operator includes a plurality of conductors and pads of pyroelectric material selectively in contact with the conductors to provide a binary coded combination of voltage pulses on the conductors representative of a touched area of the control panel.

REFERENCES:
patent: 4078257 (1978-03-01), Bagley
patent: 4149476 (1979-04-01), Wurst et al.
patent: 4157539 (1979-06-01), Hunts et al.

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