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:
Sep. 16, 1980
Filed:
Nov. 24, 1978
Applicant:
Inventors:
Dean C Santis, Winfield, IL (US);
Kirk Sievers, Roselle, IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 18 ; 322 28 ;
Abstract
An automotive battery charging system having a voltage regulator circuit with an improved feedback network for controlling the duty cycle and frequency of current in the field coil of the alternator. The feedback network includes a filtering circuit to minimize the effect of voltage spikes and ripple on feedback current. The filtering circuit is in the form of a variety of networks for clamping filtering and regulating.