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:
Jan. 09, 2007
Filed:
Sep. 25, 2003
Applicants:
Katsuyuki Sumimoto, Tokyo, JP;
Junya Sasaki, Tokyo, JP;
Kyoko Higashino, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An alternatorconnected to a battery mounted in a vehicle, a regulatorincluding a regulator ICfor adjusting a power generation voltage of the alternator, and an ECU connected to the regulatorare provided. A DF signal is inputted from the regulatorto the ECU. An average value obtained by performing an averaging process an ON time of the DF signal measured during predetermined sampling time is used as ON ratio information of the DF signal for reduction of a circuit size, optimization of the circuit, control stabilization, and cost reduction.