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:
Feb. 24, 1976
Filed:
Nov. 06, 1973
Applicant:
Inventors:
Ronald Morino, Sea Cliff, NY (US);
William B Tucker, East Norwich, NY (US);
Raymond J Keogh, Huntington, NY (US);
Assignee:
Photocircuits Division of Kollmorgen Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B / ; G05B / ; H02K / ;
U.S. Cl.
CPC ...
318685 ; 318 46 ; 318-8 ; 318625 ;
Abstract
A motor drive system including a direct-current motor arranged in tandem with a stepping motor. The stepping motor is energized by conventional means. The direct-current motor is energized by a constant-current drive means, which is responsive to signals from magnitude and direction sensing means. The direct-current motor and stepping motor coact to provide a controlled mechanical output.