Electric heating device comprising a plurality of heating...

Details Electric heating device comprising a plurality of heating... Electric heating device comprising a plurality of heating...

2005-09-06

2005-09-06

Walberg, Teresa J. (Department: 3753)

Electric heating

Heating devices

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

C219S492000, C219S205000

Reexamination Certificate

active

06940050

ABSTRACT:
The invention relates to an electric heating device and a method of controlling such a heating device, by means of which homogeneous heating of a heating register is to be achieved. For this purpose, the allocations between the control channels of a control device and the heating elements are varied at predetermined time intervals.

REFERENCES:
patent: 4447712 (1984-05-01), Covillion
patent: 4559441 (1985-12-01), Rudich et al.
patent: 4829159 (1989-05-01), Braun et al.
patent: 5866880 (1999-02-01), Seitz et al.
patent: 2002/0011484 (2002-01-01), Beetz et al.
patent: 2004/0099653 (2004-05-01), Hirayama et al.
patent: 1 157 868 (2001-11-01), None

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