Heating device for fixing information on an information medium

Details Heating device for fixing information on an information medium Heating device for fixing information on an information medium

1993-08-26

1996-02-27

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

346 25, 347102, 347105, H05B 302, G03G 1520

Patent

active

054952751

ABSTRACT:
A heating element (30) for a device for fixing images in photocopiers or information printed by a printer on media (12) having different formats is formed by a layer of resistive material having a negative temperature coefficient (NTC), so that, in the portion of the heating element (30) not covered by a medium of any smaller format, the quantity of heat supplied and the temperature of the heating element are automatically adjusted without the use of a special control circuit.

REFERENCES:
patent: 4511268 (1985-04-01), Marshall
patent: 4761541 (1988-08-01), Batliwalla et al.

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