High speed, long distance, data transmission multiplexing circui

Details High speed, long distance, data transmission multiplexing circui High speed, long distance, data transmission multiplexing circui

1990-01-30

1991-09-03

Wallace, Linda J.

Multiplex communications

Wide area network

Packet switching

370 851, 370105, H04J 304

Patent

active

H00009679

ABSTRACT:
A high speed serial data transmission multiplexing circuit, which is operable to accurately transmit data over long distances (up to 3 Km), and to multiplex, select and continuously display real time analog signals in a bandwidth from DC to 100 Khz. The circuit is made fault tolerant by use of a programmable flywheel algorithm, which enables the circuit to tolerate one transmission error before losing synchronization of the transmitted frames of data. A method of encoding and framing captured and transmitted data is used which has a low overhead and prevents some particular transmitted data patterns from locking an included detector/decoder circuit.

REFERENCES:
patent: 4477900 (1984-10-01), Gruenberg
patent: 4575839 (1986-03-01), Ogata et al.
patent: 4592046 (1986-05-01), Kawata et al.
patent: 4718058 (1988-01-01), van Vugt
patent: 4759018 (1988-07-01), Buchner
patent: 4815074 (1989-03-01), Jacobsen

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