Multiplex communications – Wide area network – Packet switching
Patent
1978-10-10
1980-05-27
Stewart, David L.
Multiplex communications
Wide area network
Packet switching
370110, 370118, H04J 602
Patent
active
042052017
ABSTRACT:
A system and method for improving the spectrum utilization of voice communications channels by increasing the number of voice conversations a given number of lines can service. This invention can be used to improve the reliability and efficiency of conventional TASI (Time Assignment Speech Interpolation) systems and allow such systems to provide good performance when utilizing a mixture of types of telephone lines; including, microwave, cable, satellite, and two wire configuration lines.
REFERENCES:
patent: 2920143 (1960-01-01), Filipowsky
patent: 2957946 (1960-10-01), Kolding
patent: 3406344 (1968-10-01), Hopper
patent: 3586781 (1971-06-01), Jones
patent: 3927268 (1975-12-01), Sciulli
patent: 4071707 (1978-01-01), Graf
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