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. 21, 2007
Filed:
Jun. 14, 2005
Applicants:
John Houldsworth, Reston, VA (US);
Nigel A. Jones, New Market, MD (US);
Inventors:
John Houldsworth, Reston, VA (US);
Nigel A. Jones, New Market, MD (US);
Assignee:
PowerPrecise Solutions, Inc., Herndon, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/26 (2006.01); G01R 31/08 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for detecting an impedance across a pair of terminals. A sensing circuit is AC coupled to the terminals which produces an output related to a time constant associated with the impedance.