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. 13, 2007
Filed:
Sep. 27, 2005
Craig Palmer Bush, Lexington, KY (US);
Steven Jeffrey Harris, Lexington, KY (US);
Jeffrey Thomas Hines, Nicholasville, KY (US);
Johnny Ray Sears, Versailles, KY (US);
Craig Palmer Bush, Lexington, KY (US);
Steven Jeffrey Harris, Lexington, KY (US);
Jeffrey Thomas Hines, Nicholasville, KY (US);
Johnny Ray Sears, Versailles, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
A circuit includes a switching device for controlling a power signal to be applied to a heating device. A control circuit is configured for comparing a temperature signal, indicative of the temperature of the heating device, to a temperature setpoint to generate a gate pulse signal that controls the duration of the power signal to be applied to the heating device. The control circuit is further configured for comparing the duration of the power signal to be applied to the heating device to a minimum pulse duration and, if the duration of the power signal to be applied to the heating device is at least equal to the minimum pulse duration, providing the gate pulse signal to the switching device.