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:
Jul. 22, 1986
Filed:
Nov. 30, 1984
Applicant:
Inventors:
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J / ;
U.S. Cl.
CPC ...
320 64 ; 320-1 ; 320 32 ; 320 39 ; 323216 ;
Abstract
A battery voltage regulating system for an automotive vehicle, wherein a first and a second comparators for sensing a battery voltage and a delay circuit connected to the comparators and controlling a power transistor connected in series with a field coil of an alternator with a certain delay time. The delay circuit includes a capacitor and a charge-discharge current changing circuit so that when the battery voltage exceeds a reference voltage of the second comparator, which is higher than that of the first comparator, a charge on the capacitor is discharged with a larger discharging current than the normal discharging current, to thereby shorten the delay time.