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:
Oct. 07, 2003

Filed:

Nov. 27, 2000
Applicant:
Inventors:

Kouichi Takagi, Nagoya, JP;

Takeshi Endoh, Nagoya, JP;

Kazuhiro Aoki, Toyota, JP;

Satoshi Nakagawa, Toyota, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 7/18 ;
U.S. Cl.
CPC ...
H02H 7/18 ;
Abstract

The automobile power source monitor is provided with: a breaker mounted in the feeding path through which the electric power from the battery is fed to the electric devices through the feed sockets A -Am provided in the car; an engine stop detecting circuit to detect the stop of the engine according to the L signal of the regulator IC , and to shut down the breaker through the driving circuit ; an over current detecting circuits C -Cm to detect the over current according to the detecting values of the current detecting circuits B -Bm, and to shut down the breaker ; an idling-up instruction circuit to detect the increase of the feeding current, and to instruct the idling-up; and a low voltage detecting circuit to detect the lowering of the output voltage of the battery and to shut down the breaker


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