Patent
1976-04-06
1978-01-31
Brown, Thomas W.
H04J 300
Patent
active
040717011
ABSTRACT:
In a transit exchange which transfers data signals from incoming to outgoing TDM-links carrying data channels having more than one time slot per TDM-frame in accordance with the channels data rate, there is disclosed a method and apparatus for minimizing the transfer time of data through the exchange by providing a buffer memory with addressed locations which receive incoming data signals via a switch memory from the incoming links and feeds such data signals from the buffer memory to the outgoing links. The data signals in time slots of data channels are read into addressed locations of the buffer memory which are calculated by sequential additions to insure that a minimum time elapses before the data signals are read from the buffer memory.
REFERENCES:
patent: 3766322 (1973-10-01), Moffett et al.
patent: 3840707 (1974-10-01), Hemdal
patent: 3970794 (1976-07-01), Neufang
Leijonhufvud Gosta Karl Knutsson
Thyselius Per-Olof
Brown Thomas W.
Telefonaktiebolaget L M Ericsson
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