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. 16, 1977
Filed:
Apr. 05, 1976
Applicant:
Inventors:
Patrick J Caulfield, Wayzata, MN (US);
Robert E Diesch, Rogers, MN (US);
Gerald R Strunc, Maple Grove, MN (US);
Assignee:
Pako Corporation, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G01R / ; H03K / ;
U.S. Cl.
CPC ...
2351503 ; 235 / ; 3072 / ; 328 38 ; 328 39 ; 324 / ;
Abstract
An electronic closed loop feedback digital system generating a square-wave like signal the frequency of which may be selectively increased or decreased in a generally exponential manner.