Error correction circuit
US6047031A · kind A · utility
7Cited by
10References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1997 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Mar 31, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/063
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An error correction circuit compensates for baseline wander which can occur when a data signal is passed through a DC isolation stage. The data signal, and its inverse are compared with a common reference level, and the error signal modifies the charge on a capacitor which forms part of a pair of negative feedback loop to control the baseline level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.