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. 05, 1981
Filed:
Sep. 05, 1978
Applicant:
Inventor:
Karl Schalk, Nuremberg, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G / ; G01P / ; H03K / ;
U.S. Cl.
CPC ...
307492 ; 307246 ; 307585 ; 324168 ; 324173 ;
Abstract
Input variables are varied cyclically and sequentially in the same direction until the sign of the differential quotient of the magnitude of the error with respect to time changes.