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. 08, 1978
Filed:
Nov. 17, 1976
Applicant:
Inventor:
Hans Kuhnlein, Nurnberg-Grossgrundlach, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318653 ; 318327 ; 324173 ; 318254 ;
Abstract
In a position control device for driving a speed controlled motor, the motor having coupled thereto a tachometer generator for providing velocity feedback, a brushless tachometer generator having at least one position transmitter for the rotor thereof is used as the tachometer generator and the position signals of the position transmitter also used to provide an actual value feedback for the position control.