The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 05, 2000
Filed:
Jun. 25, 1998
Applicant:
Inventors:
Cornelis B Van Mil, Herkenbosch, NL;
Hendrik W Ellenkamp, Venlo, NL;
Assignee:
Oce-Technologies B.V., Venlo, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219497 ; 399 67 ;
Abstract
A power supply circuit for accurately and instantaneously supplying power from the mains to an electrical load, more particularly a fixing unit and/or paper preheating unit in a copying machine or printer provided with such a circuit. In this power supply circuit, flicker (voltage fluctuations) induced in the mains and interference radiation are reduced as far as possible. The power supplied is controlled for this purpose by a solid state relay (SSR) operated with phase cutting, the phase angle of the switching signal being varied around a phase angle corresponding to the power supplied.