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.

Date of Patent:
Aug. 27, 1991

Filed:

Aug. 30, 1990
Applicant:
Inventor:

Tsukasa Sugiyama, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J / ; G03B / ;
U.S. Cl.
CPC ...
307 39 ; 307155 ; 355315 ;
Abstract

A power supply control subsystem for an image forming apparatus is provided to control the operating timing of multiple DC loads according to selected image forming modes. Electric power is supplied from a single DC power source to a plurality of DC loads through corresponding switching devices inserted therebetween. A control circuit staggers the on-timings of the switching devices so that electric power is supplied to the DC loads in a sequentially, predetermined priority order according to a selected image forming mode.


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