Multifunction switch incorporating NCAP liquid crystal

Details Multifunction switch incorporating NCAP liquid crystal Multifunction switch incorporating NCAP liquid crystal

1984-06-12

1988-12-06

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340718, 340365VL, 350351, G09G 336

Patent

active

047898585

ABSTRACT:
A switch apparatus comprising a nematic curvilinearly aligned phases liquid crystal material located between a pair of electrode means wherein a flexible substrate having a conductive segment formed therein may be positioned in a spaced substantially parallel relation to one of the electrode means. The flexible substrate has sufficient flexibility to deflect toward one of the electrode means in response to the application of pressure thereto so that at least a portion of the flexible substrate is deflected toward one of the electrode means to operatively couple the conductive segment to the electrode means to effect an input of information and to cause a display of the same.

REFERENCES:
patent: 3578844 (1971-05-01), Churchill
patent: 4015422 (1977-04-01), Van Haagften
patent: 4017848 (1977-04-01), Tannas, Jr.
patent: 4078257 (1978-03-01), Bagley
patent: 4192060 (1980-03-01), Washizuka et al.
patent: 4224615 (1980-09-01), Penz
patent: 4363029 (1982-12-01), Piliavin et al.
patent: 4435047 (1984-03-01), Fergason
patent: 4468659 (1984-08-01), Ohba et al.
patent: 4549174 (1985-10-01), Funada et al.
patent: 4567481 (1986-01-01), Meier et al.

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