Heating control apparatus

Details Heating control apparatus Heating control apparatus

1996-10-30

1998-05-26

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219216, 219481, 219501, H05B 102

Patent

active

057569690

ABSTRACT:
A heating control device of an image forming apparatus determines a phase of heat control in accordance with a target temperature and a current temperature of a fixing roller and a change status of the current temperature, determines a control unit period tp, a main heater turn-on time tm, a sub-heater turn-on time ts and Duty No. in accordance with a count of a counter which counts the number of control units which are unit periods of control and a shift status of phase, and finally determines a type of control and supplies powers to the main heater and the sub-heater.
A proper heater power to control to a target temperature can be applied in a short period and a temperature ripple is reduced.

REFERENCES:
patent: 4162847 (1979-07-01), Brandon
patent: 4626663 (1986-12-01), Tateda
patent: 4707579 (1987-11-01), Mckiel, Jr.
patent: 4740671 (1988-04-01), Kuroda et al.
patent: 5321230 (1994-06-01), Shanklin et al.

Affiliated with

Also associated with

Rating

Heating control apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Heating control apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heating control apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1963807