Planar heater for liquid crystal element

Details Planar heater for liquid crystal element Planar heater for liquid crystal element

1987-10-15

1989-05-09

Walberg, Teresa J.

Electric heating

Heating devices

Combined with diverse-type art device

219553, H05B 334

Patent

active

048291544

ABSTRACT:
A planar heater for a liquid crystal element comprises a thin metal plate having a relatively high specific resistance such as stainless, nichrome, nickelchrome iron alloy, etc. The thin metal plate is subjected to etching-working to form a mesh-like heat generating body, opposite ends of which are provided with terminal portions for connection into an elecrtrical circuit.

REFERENCES:
patent: 2641675 (1953-06-01), Hannahs
patent: 3177341 (1965-04-01), De Woody
patent: 3204084 (1965-08-01), Spencer
patent: 4052588 (1977-10-01), Nakamura
patent: 4392013 (1983-07-01), Ohmura
"PC Heaters Warm Outdoor Readouts", Machine Design, Oct. 23, 1980.

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