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:
Apr. 17, 2012

Filed:

Oct. 05, 2007
Applicants:

Satoshi Kubo, Kahoku, JP;

Kouhei Dake, Kahoku, JP;

Hiroyuki Ichii, Kahoku, JP;

Inventors:

Satoshi Kubo, Kahoku, JP;

Kouhei Dake, Kahoku, JP;

Hiroyuki Ichii, Kahoku, JP;

Assignee:

PFU Limited, Ishikawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/00 (2006.01); G06F 3/00 (2006.01); G06F 13/42 (2006.01); G06F 13/20 (2006.01); G02B 5/32 (2006.01); G02B 26/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power supply controlling circuit includes: power supplied portions, adapted to receive power supply from at least one external apparatus; a first power unit, adapted to be driven by a first power; and a second power unit, adapted to be driven by a second power. In response to a change of the power supply, the second power is varied, while the first power is maintained.


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