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:
Aug. 22, 1989
Filed:
May. 31, 1988
Applicant:
Inventor:
John M McCambridge, Northville, MI (US);
Assignee:
Chrysler Motors Corporation, Highland Park, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ; H02P / ;
U.S. Cl.
CPC ...
318293 ; 318599 ;
Abstract
A half-bridge driver circuit extends the duration of recirculating decaying currents in an inductance type indicating gauge after source voltage is cutoff. An inverter circuit controls a source transistor to provide a lower resistance path for the decay current than provided by the suppression diodes of the half-bridge driver.