Multiplex wiring system

Details Multiplex wiring system Multiplex wiring system

1987-06-17

1988-12-20

Atkinson, Charles E.

Excavating

34082503, G06F 1120

Patent

active

047929502

ABSTRACT:
A multiplex wiring system having a plurality of communication modules which are interconnected on a pair of buses. Data is transmitted from any one of the modules on one of the buses while redundant or complementary data is transmitted on the other bus. Each module includes three receiving channels, one channel for receiving data, one channel for receiving complementary data, and a differential channel for differentially combining the data and complementary data thereby reducing received noise. A predetermined data sequence is detected on each of the three channels such that specific types of system faults are indicated. In response to the fault indication, the most suitable of the three channels is selected to receive data.

REFERENCES:
patent: 3651454 (1972-03-01), Venema et al.
patent: 3891965 (1975-06-01), Schroeder
patent: 3934131 (1976-01-01), Perschy
patent: 4070648 (1978-01-01), Merganthaler et al.
patent: 4241444 (1980-12-01), Kister
patent: 4245344 (1981-01-01), Richter
patent: 4406007 (1983-09-01), Kister et al.

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