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:
Oct. 04, 1994
Filed:
Dec. 14, 1992
Applicant:
Inventors:
William D Wise, Flora, IN (US);
Larry R Hach, Kokomo, IN (US);
Clifford L Carpenter, Greentown, IN (US);
Assignee:
Delco Electronics Corporation, Kokomo, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
307358 ; 307351 ; 307352 ; 307494 ; 307491 ;
Abstract
A digital equivalent of a periodic analog signal is generated in a manner substantially insensitive to variations in the reference about which the analog signal oscillates by switching the digital equivalent between high and low levels based on reference voltages derived from the peaks and valleys of the analog signal. The manner of generating the digital equivalent is substantially insensitive to common mode noise across the analog signal generator by locking a differential signal output when significant common mode noise in sensed. Generator faults are also diagnosed.