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4070551 |
Local call completion for time division multiplexing system
Apparatus within a time division multiplex telecommunications system for terminating local traffic at a local distributing center and eliminating the need for use of channels to the switching...
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RE28577 |
Channel reallocation system and method
In a time division multiple access communications system having multiple ground stations and a satellite for communicating signals between ground stations, the channels are periodically reallocated...
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3708626 |
SWITCHING CENTER FOR PCM- TIME MULTIPLEX TELEPHONE NETWORK
A time division communication system which provides means for connecting the information in a pulse frame on an incoming telephone line to the next free time channel in a pulse frame on an outgoing...
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3644678 |
CHANNEL REALLOCATION SYSTEM AND METHOD
In a time division multiple access communications system having multiple ground stations and a satellite for communicating signals between ground stations, the channels are periodically reallocated...
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