Liquid crystal matrix for extended range high resolution tempera

Details Liquid crystal matrix for extended range high resolution tempera Liquid crystal matrix for extended range high resolution tempera

1985-10-02

1987-07-28

Howell, Kyle L.

Surgery

Truss

Pad

374137, 374162, A61B 1000

Patent

active

046826050

ABSTRACT:
A recurrent matrix pattern of clusters of different narrow range temperature sensitive liquid crystal dots is disclosed. At each location on the matrix, there is a plurality of liquid crystal dots forming a cluster. Each liquid crystal dot of a cluster changes color at a different temperature. Further, each liquid crystal dot is sensitive, that is changes colors, in a very narrow temperature range. With this recurrent matrix arrangement, detailed temperature resolution can be maintained over a relatively broad temperature range, while still retaining an essentially continuous layer of temperature sensitive material so as to map-locate temperature gradients.

REFERENCES:
patent: Re32000 (1985-10-01), Sagi
patent: 3661142 (1972-05-01), Flam
patent: 4060654 (1977-11-01), Quenneville
patent: 4509533 (1985-04-01), Chervitz
patent: 4524778 (1985-06-01), Brown, Jr. et al.

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