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:
Jun. 13, 2006

Filed:

Apr. 30, 2002
Applicants:

Wing K. Chan, Allen, TX (US);

Joseph T. Nabicht, Dallas, TX (US);

Inventors:

Wing K. Chan, Allen, TX (US);

Joseph T. Nabicht, Dallas, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01); H04M 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A technique for implementing impedance matching circuitsthat use the transfer functions of each line impedance model. This technique allows implementation of an impedance match for a diverse number of line impedances reusing the same circuittopology, by simply adjusting coefficients to accommodate different line impedances.


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