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. 02, 1994
Filed:
Apr. 22, 1992
Applicant:
Inventors:
John Washeleski, Reed City, MI (US);
Mark R Wheeler, Cadillac, MI (US);
Mario Boisvert, Reed City, MI (US);
Assignee:
Nartron Corporation, Reed City, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ; H02H / ;
U.S. Cl.
CPC ...
307 101 ; 318469 ; 49 26 ;
Abstract
A controller for energizing a power window or panel such as a power sunroof. The disclosed controller senses both hard and soft obstructions and deactivates a motor that moves the sunroof when an obstruction is detected. The controller also senses obstructions during start-up of the motor and regulates the speed of the window or panel by pulse width modulating motor energization signals.