Touch sensitive control panel utilizing pyroelectric material

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

1981-05-28

1982-12-07

Groody, James J.

Communications: electrical

Audible indication

Percussion-type sound producer

112158E, 307117, G06F 302

Patent

active

043630278

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 areas 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: 4123631 (1978-10-01), Lewis
patent: 4234813 (1980-11-01), Iguchi et al.

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