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:
Dec. 22, 2009
Filed:
Aug. 22, 2005
Steven W. Bergstedt, Winchester, KY (US);
John G. Edelen, Versailles, KY (US);
Paul W. Graf, Lexington, KY (US);
David G. King, Shelbyville, KY (US);
Robert E. Miller, Jr., Louisville, KY (US);
George K. Parish, Winchester, KY (US);
Kristi M. Rowe, Richmond, KY (US);
Steven W. Bergstedt, Winchester, KY (US);
John G. Edelen, Versailles, KY (US);
Paul W. Graf, Lexington, KY (US);
David G. King, Shelbyville, KY (US);
Robert E. Miller, Jr., Louisville, KY (US);
George K. Parish, Winchester, KY (US);
Kristi M. Rowe, Richmond, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
Test circuits on heater chips for testing a heater circuit having a heater element and a first power device. The test circuit can include a second power device, a test device configured to hold the first power device off and the second power device on for a selected heater circuit when the test device receives a signal to activate the test circuit, and a common test output to transmit a signal indicative of a state of the selected heater circuit. Methods for using the same are also provided.