Liquid crystal display

Details Liquid crystal display Liquid crystal display

1989-06-06

1992-10-27

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

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

340706, 340784, 341 33, 341 34, G09G 302

Patent

active

051593238

ABSTRACT:
A liquid crystal display is provided having pressure detection ability. An information input can be implemented by directly touching the display which has presented an image. The pressure detection is performed by means of the liquid crystal material which is also provided for use in a displaying operation. In the method of operation, the displaying and pressure operations are carried out alternately.

REFERENCES:
patent: 4363029 (1982-12-01), Pilavin et al.
patent: 4529968 (1985-07-01), Hilsum et al.
patent: 4839634 (1989-06-01), More et al.
patent: 4875378 (1989-10-01), Yamazaki et al.

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