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:
Sep. 03, 2002
Filed:
Aug. 09, 1999
Applicant:
Inventors:
Robert Thomas Grisamore, Austin, TX (US);
Kartika Putra Prihadi, Austin, TX (US);
Eric Swanson, Buda, TX (US);
Karl Nordling, Raleigh, NC (US);
Axel Thomsen, Austin, TX (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 1/00 ; H04M 9/00 ;
U.S. Cl.
CPC ...
H04M 1/00 ; H04M 9/00 ;
Abstract
An interface for coupling a modem port with a transmission line includes a hybrid converter having a variable gain amplifier coupling a transmit path of a first differential polarity and a received path of a second differential polarity.