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. 07, 1987
Filed:
Jan. 06, 1986
Robert J Vrabel, Sterling Heights, MI (US);
Jeffery L Vajgart, Dearborn, MI (US);
Lawrence E Staszel, Dearborn Heights, MI (US);
Henry J Ewald, Livonia, MI (US);
Norman M Haygood, Jr, Canton, MI (US);
Leon M Misewicz, Dearborn, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
A control circuit for a reversible D.C. window drive motor that allows for one touch operations of the motor to automatically lower the associated window to its full down position following a relatively short actuation of the control switch in the 'DOWN' position. Subsequent actuation and release of the control switch will cause interruption and inhibit the automatic lowering of the window. Longer actuations of the control switch allows for direct movement control of the window in the downward direction. Stall current sensing and excessive time sensing provide protection to the motor and the drive circuitry.