US PATENT SUBCLASS 349 / FOR 128
.~ With detector of liquid crystal temperature (359/86)

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349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

193  DF  LIQUID CRYSTAL OPTICAL ELEMENT {21}
FOR 128.~ With detector of liquid crystal temperature (359/86)

DEFINITION

Classification: 349/FOR.128

With detector of liquid crystal temperature:

Foreign Art Collection combined with a sensor of the temperature of the liquid crystal material itself.