Time-division switching telephone exchange comprising a service

Details Time-division switching telephone exchange comprising a service Time-division switching telephone exchange comprising a service

1977-09-29

1979-12-11

Brown, Thomas W.

179 15BS, H04J 312

Patent

active

041784839

ABSTRACT:
Disclosed is a device for sending a plurality of categories of signalling data over time-multiplexed channels, said device consisting of groups of circuits assigned to various categories of data wherein the inputs of each circuit are connected via a first common bus to the outputs of a clock circuit feeding time reference signals to the various channels, wherein the outputs of each circuit are connected via a second common bus to an output circuit. These groups of circuits are provided with a memory circuit for containing said data and a time reference signal decoding circuit for controlling the reading of the memory circuit for transmission of said data to a telephone exchange.

REFERENCES:
patent: 3435149 (1969-03-01), Inose et al.
patent: 3462649 (1969-08-01), Stich
patent: 3755630 (1973-08-01), Boyer
patent: 3825696 (1974-07-01), Long
patent: 3969587 (1976-07-01), Calcagno
patent: 3985965 (1976-10-01), Field et al.
patent: 3997727 (1976-12-01), Platts et al.
patent: 4004099 (1977-01-01), Jones et al.
patent: 4068099 (1978-01-01), Mikkola et al.
patent: 4069399 (1978-01-01), Barrett et al.

Affiliated with

Also associated with

Rating

Time-division switching telephone exchange comprising a service does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Time-division switching telephone exchange comprising a service , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Time-division switching telephone exchange comprising a service will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-311915