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:
Jun. 08, 2010

Filed:

Jun. 22, 2007
Applicants:

Hiroyuki Watanabe, Hachioji, JP;

Ryuji Okutomi, Hino, JP;

Hideo Yamane, Hachioji, JP;

Yoshihito Sasamoto, Hachioji, JP;

Inventors:

Hiroyuki Watanabe, Hachioji, JP;

Ryuji Okutomi, Hino, JP;

Hideo Yamane, Hachioji, JP;

Yoshihito Sasamoto, Hachioji, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

Present invention uses the main power source and auxiliary power source to supply power to a load, makes them take partial charge of power supply, and when the load current reaches its peak, detects a current and a voltage generated by the auxiliary power source, and when the detected values are larger than set values or lower than the set values, controls the output current of the main power source.


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