Heating apparatus with a film having high and low electrical res

Details Heating apparatus with a film having high and low electrical res Heating apparatus with a film having high and low electrical res

1991-12-20

1992-10-20

Grimley, A. T.

Photocopying

Contact printing

Light boxes

219216, 355284, 432 60, G03G 1520

Patent

active

051574462

ABSTRACT:
A heating apparatus includes a heater generating heat upon electric power supply thereto; a film, wherein an image on a recording material is heated by heat from the heater through the film; wherein the film comprises a high resistance layer at a side remote from the recording material and a low resistance layer at a side remote from the heater; and wherein an area of the high resistance layer is larger than an area of the low resistance layer.

REFERENCES:
patent: 3948215 (1976-04-01), Namiki
patent: 4001546 (1977-01-01), Johnson, Jr. et al.
patent: 4242566 (1980-12-01), Scribner
patent: 4430412 (1984-02-01), Miwa et al.
patent: 4565439 (1986-01-01), Reynolds
patent: 4755849 (1988-07-01), Tarumi et al.

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