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. 03, 2015
Filed:
Sep. 17, 2007
Applicants:
J. Craig Oxford, Nashville, TN (US);
D. Michael Shields, St. Paul, MN (US);
Inventors:
J. Craig Oxford, Nashville, TN (US);
D. Michael Shields, St. Paul, MN (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 25/00 (2006.01); H04L 25/02 (2006.01);
U.S. Cl.
CPC ...
H04L 25/0264 (2013.01); H04L 25/0266 (2013.01); H04L 25/028 (2013.01); H04L 25/0292 (2013.01);
Abstract
A method and apparatus for high quality signal transmission, which utilizes normal-mode current flow and produces an audio output signal with suppression of normal-mode voltage amplitude, comprising transmitting an audio input signal source though (1) a buffer amplifier; (2) a modulated current source; (3) a pair of wires; (4) a current transformer; and (5) a receiver amplifier for said current transformer.