Receiver data gate with automatic gain control
US4852087A · kind A · utility
2Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 18, 1989 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Jan 18, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/062
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone system that is useful for facilitating both voice and data communications uses an analog gate. An incoming data signal periodically enters the analog gate. A signal processing means receives the incoming data signal from the gate and an outgoing data signal turns off the gate. The signal processing means includes an automatic gain control for controlling the amplitude of the incoming data signal. The outgoing data signal turns off the gate preventing the outgoing signal from affecting the automatic gain control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.