Liquid crystal thermograph frame assembly

Details Liquid crystal thermograph frame assembly Liquid crystal thermograph frame assembly

1978-03-23

1980-01-29

Griffin, Donald A.

354 81, G03B 2900

Patent

active

041859049

ABSTRACT:
A frame assembly for use in combination with a sheet of liquid crystals and a camera for the purpose of facilitating the permanent record of thermal variation of living body tissues. The frame assembly comprises a base including structure for operatively disposing a sheet of liquid crystals at one end and a camera at the other. A movable light source positioning arm is disposed on the base for the purpose of directing illumination onto the sheet of crystals of which a photograph is to be taken.

REFERENCES:
patent: 2235355 (1941-03-01), Brown
patent: 2667825 (1954-02-01), Nicholas
patent: 2758503 (1956-08-01), Luffman et al.
patent: 2942537 (1960-06-01), Zimmerman
patent: 3032766 (1962-05-01), Weaver
patent: 3168859 (1965-02-01), Mast
patent: 4091402 (1978-05-01), Siegel
patent: 4114167 (1978-09-01), McKee

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