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. 08, 1992
Filed:
Aug. 27, 1991
Applicant:
Inventors:
Raymond Lippmann, Ann Arbor, MI (US);
James E Nelson, Union Lake, MI (US);
Michael J Schnars, Clarkston, MI (US);
James R Chintyan, Davison, MI (US);
James M Aralis, Mission Viejo, CA (US);
Frank J Bohac, Jr, Laguna Hills, CA (US);
Assignees:
Delco Electronics Corp., Kokomo, IN (US);
Hughes Aircraft Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ; G01R / ;
U.S. Cl.
CPC ...
323367 ; 323354 ; 323365 ;
Abstract
A circuit disclosed maintains ratiometric analog inputs to an integrated circuit using a network of resistors, some of which are external to the integrated circuit and some of which are internal to the integrated circuit, reducing expense. The analog inputs maintain a fixed ratio during fluctuations in supply voltage and fluctuations in temperature.