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:
Jun. 24, 2003
Filed:
Jan. 12, 2001
Applicant:
Inventors:
Kyong M. Park, Westlake Village, CA (US);
Nhan Nguyen, Simi Valley, CA (US);
Assignee:
Kavlico Corporation, Moorpark, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 2/726 ;
U.S. Cl.
CPC ...
G01R 2/726 ;
Abstract
An assembly for sensing the dielectric constant of liquids, and for detecting contamination, includes a central ceramic chip with a sensing capacitor formed on one end thereof and a signal processing circuit on the other end thereof. The capacitor is formed of two sets of closely spaced conductive lines or pathways with one set being grounded and the other set providing the variable output from the capacitor to the signal processing circuit.