Photocopying – Contact printing – Light boxes
Patent
1995-07-28
1996-07-09
Royer, William J.
Photocopying
Contact printing
Light boxes
219216, G03G 1520
Patent
active
055349870
ABSTRACT:
A fixing apparatus includes a heating member; a temperature detecting member for detecting the temperature of the heating member; a power supply controller for controlling the power supply to the heating member so that the temperature detected by the temperature detecting element during a fixing operation is maintained substantially constant at a predetermined fixing temperature; and a temperature selecting device for selecting a fixing temperature in response to both the temperature of the heating member before beginning of the fixing temperature control and a rate of the temperature change of the heating member upon supplying a predetermined amount of power to the heating member or upon turning it off.
REFERENCES:
patent: 4868368 (1989-09-01), Araki
patent: 5253024 (1993-10-01), Okuda et al.
patent: 5266774 (1993-11-01), Kimura et al.
patent: 5280328 (1994-01-01), Goto et al.
patent: 5293202 (1994-03-01), Adachi et al.
patent: 5321481 (1994-06-01), Mathers
European Search Report.
French Search Report.
Abe Atsuyoshi
Fukuzawa Daizo
Hayakawa Akira
Nakamura Shunji
Ohtsuka Yasumasa
Canon Kabushiki Kaisha
Royer William J.
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