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:
Oct. 23, 1984
Filed:
Jul. 13, 1981
Applicant:
Inventors:
H Keith Kidd, Christianburg, VA (US);
Philip S Coulon, Jr, Radford, VA (US);
Assignee:
Kollmorgen Technologies Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
318254 ; 318138 ; 318439 ;
Abstract
A brushless D.C. motor control system wherein a read-only memory is used to control the commutated winding energization via drive switching circuits. Position sensors detect the position of the rotor relative to the motor stator and principle digital signals which are used as address inputs for the read-only memory.