Multiplex communications – Wide area network – Packet switching
Patent
1981-07-13
1983-06-07
Robinson, Thomas A.
Multiplex communications
Wide area network
Packet switching
178 2219, H04L 900, H04N 712, G08C 2500
Patent
active
043874550
ABSTRACT:
Apparatus for transmission of information in digital form comprising apparatus for providing a plurality of signals coded into a multiplicity of digital code elements in accordance with a first modulation technique; and apparatus for providing a plurality of coded addresses for transmission, each of the coded addresses representing a digital code in accordance with a second modulation technique corresponding to a combination of code elements of individual ones of the plurality of signals.
REFERENCES:
patent: 3278729 (1966-10-01), Chien
patent: 3657699 (1972-04-01), Rocher et al.
patent: 3849595 (1974-11-01), Ishiguro
patent: 4086435 (1978-04-01), Graupe et al.
patent: 4176247 (1979-11-01), Englund
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