Fixing heater and image fixing apparatus incorporating the same

Details Fixing heater and image fixing apparatus incorporating the same Fixing heater and image fixing apparatus incorporating the same

2006-06-06

2006-06-06

Evans, Robin (Department: 3742)

Electric heating

Heating devices

With heating unit structure

C219S216000, C219S543000

Reexamination Certificate

active

07057143

ABSTRACT:
A fixing heater includes a substrate, a relatively narrow first heating resistor strip formed on the substrate, and a relatively wide second heating resistor strip formed on the substrate substantially in parallel to the first heating resistor strip. The second heating resistor strip is formed with a plurality of slits extending longitudinally of the strip.

REFERENCES:
patent: 5304784 (1994-04-01), Tagashira et al.
patent: 5306898 (1994-04-01), Yukawa et al.
patent: 5321234 (1994-06-01), Ooyama et al.
patent: 5376773 (1994-12-01), Masuda et al.
patent: 6323460 (2001-11-01), Ohtsuka
patent: 6469279 (2002-10-01), Ohtsuka
patent: A-7-192856 (1995-07-01), None
patent: 408063016 (1996-03-01), None
patent: A-11-338293 (1999-12-01), None

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