Electrothermal instrument with heat generating element of sinter

Details Electrothermal instrument with heat generating element of sinter Electrothermal instrument with heat generating element of sinter

1991-08-27

1994-12-27

Bartis, Anthony

Electric heating

Heating devices

Tool or instrument

219221, 219291, 219253, 219521, 392379, 392385, 392485, 446 14, 401 1, A63H 3322, H05B 102, H05B 300, H01C 702

Patent

active

053767721

ABSTRACT:
An electrothermal color-varying instrument for inducing color change in a color-varying layer includes a heat generating element composed of a sintered barium titanate thermistor in face-to face contact with a heat transmitting member having a heating end portion for transmitting heat to the thermal color-varying layer. The thermistor has:

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Patent Abstracts of Japan, vol. 12, No. 79 (P-676) Mar. 12, 1988.

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