D-5 Channel bank control structure and controller
US4849977A · kind A · utility
8Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1987 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Aug 17, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J3/04
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A channel bank unit for interfacing baseband user signals with a PCM carrier communications channel. The channel bank unit includes a circuit allowing verification of the transmission interity between the channel bank unit and external equipment having two-way communication with the channel bank unit. The circuit includes a first portion for evaluating the reception integrity of signals received from the external equipment and a second portion for imposing a parity sense on the signals transmitted to the external equipment that is related to the evaluation results of the first portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.