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:
Feb. 07, 1989
Filed:
Dec. 08, 1986
Applicant:
Inventors:
Assignee:
SGS Microelecttronica S.p.A., Catania, IT;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; G08B / ;
U.S. Cl.
CPC ...
340658 ; 328 26 ; 363127 ; 323237 ; 307262 ; 307236 ;
Abstract
To detect the phase signal, particularly for alternators of motor vehicles, with simple and inexpensive measures, an active rectifier is employed, which supplies at the output a signal with constant polarity (e.g. positive) which can thus be used to verify the correct operation or malfunction of the alternator.