Service integrated communication transmission and interchange sy

Details Service integrated communication transmission and interchange sy Service integrated communication transmission and interchange sy

1980-05-30

1984-04-03

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

370 4, 455607, 455612, H04B 900

Patent

active

044411804

ABSTRACT:
A service integrated communications transmission and switching system for audio, video and data, between a user terminal and a central switching station of a telephone system wherein the line connecting the user terminal with the switching station includes at most one light-conductive fiber which is utilized in wave multiplex duplex operation for the transmission and reception of signals from and to the user terminal; the narrowband services are provided by means of digital transmission with analog to digital and digital to analog conversion and multiplex and demultiplex taking place at the user end; and the broadband services are provided by means of analog transmission.

REFERENCES:
patent: 3953727 (1976-04-01), d'Auria et al.
patent: 4061577 (1977-12-01), Bell
patent: 4150258 (1979-04-01), Fujimoto
Hara-Conceptual Design of a Switched Television Distribution System Using Optical Fiber Waveguides-IEEE Trans on Cable TV-vol. CATV-2-#3, Jul_. 1977 pp. 120-130.
Coyne et al.,-Integrated Broadband Distribution System for Low Density Rural Areas using Optical Fiber Transmission-Int. Symposium on Subscriber Loops & Servies (Conf) Atlanta, Ga. Mar. 20-24, 1978, pp. 44-48.
Ishio et al.,-A Two Way Wavelength-Division-Multipexing Transmission and its Application to a Switching TV-Distribution System-4th European Conf. on Optical Comm.-1978-pp. 646-655.
Campbell-Multiterminal Fiber Systems-Laser Focus-Jun. 1971, pp. 42, 44, 45.
Horak-TV Program Distribution over Fiber CATV Networks-Conf. Internat. Broadcasting Conv.-London, Eng.-Sep. 20-24, 1976, pp. 228-231.

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