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:
Dec. 03, 1985
Filed:
Nov. 01, 1982
Applicant:
Inventor:
Richard E George, Everett, WA (US);
Assignee:
John Fluke Mfg. Co., Inc., Everett, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
3403 / ; 3403 / ; 3403 / ; 3403 / ; 324 / ;
Abstract
A dual slope analog to digital (A/D) converter starts by auto zeroing and making a number of high speed A/D samples before auto zeroing again. A microprocessor causes output of the high speed samples for a bar graph and applies predetermined correction factors to allow accumulation of the high speed samples to provide a high accuracy numerical output.