Method and apparatus for wired signal transmission
US8948273B2 · kind B2 · utility
0Cited by
13References
13Claims
0Family size
Inventors
Key dates
| Filing date | Sep 17, 2007 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Feb 10, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/0292
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.