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:
Feb. 25, 2014
Filed:
Oct. 15, 2009
Applicants:
Frederick Johannes Bruwer, Paarl, ZA;
Nico Johann Swanepoel, Paarl, ZA;
Dieter Sydney-charles Mellet, Paarl, ZA;
Douw Gerbrandt Van Der Merwe, Paarl, ZA;
Inventors:
Frederick Johannes Bruwer, Paarl, ZA;
Nico Johann Swanepoel, Paarl, ZA;
Dieter Sydney-Charles Mellet, Paarl, ZA;
Douw Gerbrandt Van Der Merwe, Paarl, ZA;
Assignee:
AZOTEQ (Pty) Ltd, Paarl, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
An integrated circuit for compensating for parasitic capacitance in a capacitive measuring apparatus wherein a capacitance measurement is done by repeatedly transferring charge from a capacitor to be measured to a reference capacitor.