Buffer storage assignment arrangement for time-division switching systems
US4131762A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 16, 1977 |
| Grant date | Dec 26, 1978 |
| Priority date | — |
| Expiry date | May 16, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q11/0407
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A time-division switching system having a space-division network with a plurality of input terminals, each uniquely associated with a first buffer memory, and a plurality of output terminals, each uniquely associated with a second buffer memory, is disclosed. Time-shared communication paths through the space-division network are predominately completed such that digital data words representing signals from both parties to a conversation are transmitted through the space-division network during the same time slot. Normally, data words representing signals from telephone subscribers are assigned to first buffer memories in accordance with a fixed distribution plan. The system includes an arrangement which modifies the fixed distribution plan when it is determined that both parties to a conversation will have their data words stored in the same first buffer memory and switches data words representing signals from the called party of the conversation to an idle storage location in a different first buffer memory. An arrangement is also disclosed to recoordinate data words read from the second buffer memories to remove any possible conflicts caused by the redistribution of the input dat…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.