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:
May. 07, 1991
Filed:
Dec. 26, 1989
Applicant:
Inventors:
Raymond Lippmann, Ann Arbor, MI (US);
Michael J Schnars, Clarkston, MI (US);
James R Chintyan, Davison, MI (US);
Assignee:
Delco Electronics Corporation, Kokomo, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08C / ; G08C / ; G01F / ;
U.S. Cl.
CPC ...
34087038 ; 34082578 ; 340644 ; 73313 ;
Abstract
An improved sender circuit which provides increased resolution measurements from a sensor by using two or more separately applied driving voltages. Only two connections to the sensor are required, the sensor having one or more switches closed in relation to the parameter being measured.