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.

Date of Patent:
Sep. 21, 2010

Filed:

Apr. 18, 2008
Applicant:

Charles Wissman, Carlsbad, CA (US);

Inventor:

Charles Wissman, Carlsbad, CA (US);

Assignee:

Heritage Technologies, Inc., Encinitas, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A novel method for testing a communications circuit is disclosed. The method includes the following steps: (a) connecting an internal balanced circuit to a well-balanced resistor network; (b) measuring a first plurality of real and imaginary components of the voltages with the internal balanced circuit connected to the well-balanced resistor network; (c) calculating an error for the internal balanced circuit based on the first plurality of voltages; (d) connecting the internal balanced circuit to the communications circuit; (e) measuring a second plurality of real and imaginary components of the voltages with the internal balanced circuit connected to the communications circuit; and (f) calculating a corrected balance for the communications circuit based on the second plurality of voltages and the error for the internal balanced resistor network. A novel device and software program that incorporates this novel method are also disclosed.


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