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:
Oct. 27, 2009
Filed:
Oct. 31, 2007
Applicants:
Robert Berg, Canton, MI (US);
Richard Graham, Iii, Southfield, MI (US);
Christy J. Bose, Novi, MI (US);
Scott E. Carpenter, Livonia, MI (US);
Inventors:
Robert Berg, Canton, MI (US);
Richard Graham, III, Southfield, MI (US);
Christy J. Bose, Novi, MI (US);
Scott E. Carpenter, Livonia, MI (US);
Assignee:
Kelsey-Hayes Company, Livonia, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/06 (2006.01); G01R 29/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for testing the continuity of a coil that is subjected to a high frequency pulse modulated current that includes sensing a coil voltage, determining a ratio of the sensed coil voltage to the supply voltage and comparing the ratio to a threshold to determine whether the solenoid coil is functional.