Digital information commodities exchange

Details Digital information commodities exchange Digital information commodities exchange

1994-12-28

1996-07-23

Marcelo, Melvin

Multiplex communications

Wide area network

Packet switching

375260, 348 10, 370 941, H04J 326

Patent

active

055397352

ABSTRACT:
A system for the exchange of digital information packets includes an exchange with connectors to allow modular expandable units to connect to the exchange over transmission media. The modular expandable units send digital information packets from one to another over the exchange in response to requests for these digital information packets. The exchange allows for billing and other administrative functions.

REFERENCES:
patent: 3997718 (1976-12-01), Ricketts et al.
patent: 4326289 (1982-04-01), Dickinson
patent: 4367548 (1983-01-01), Cotten et al.
patent: 4395780 (1983-07-01), Gohm et al.
patent: 4491983 (1985-01-01), Pinnow et al.
patent: 4958341 (1990-09-01), Hemmady et al.
patent: 5428606 (1995-07-01), Moskowitz

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