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:
Mar. 28, 2000
Filed:
Sep. 26, 1998
Applicant:
Inventor:
Brian Douglas McCary, St. Louis County, MO (US);
Assignee:
Bausch & Lomb Surgical, Inc., Claremont, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
318632 ; 388937 ;
Abstract
A current compensation system for an electrical brush motor senses the amount of current by the electrical motor and generates a signal quantifying the amount of current drawn by the motor so that the amount of current drawn can be re-supplied together with a target speed signal through a power amplifier device to the electrical motor.