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:
Jul. 29, 1980
Filed:
Aug. 21, 1978
Applicant:
Inventor:
Robert H Schmidt, Minnetonka, MN (US);
Assignee:
Data Card Corporation, Minnetonka, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318603 ; 318562 ; 318602 ;
Abstract
A closed loop, error correcting serial input positioning system for varying, at a controlled incremental rate, the angular position of the shaft of a motor in dependance upon train of input command pulses. By utilizing the system in accordance with the present invention, both the speed and position of the motor shaft are controlled.