Systems and methods for two stage tone reduction
US8976471B1 · kind B1 · utility
0Cited by
16References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2013 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Sep 12, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/03878
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems and method relating generally to data processing, and more particularly to systems and methods for tone reduction in relation to data transmission. In one case, a data processing system is disclosed that includes: a two stage tone reduction circuit including a first stage circuit and a second stage circuit; and a polarity change circuit operable to change a polarity of the second stage output to yield a tone reduction output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.