Multiplex information handling system

Details Multiplex information handling system Multiplex information handling system

1980-01-30

1982-10-19

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

3408255, H04J 302, H04B 302

Patent

active

043553850

ABSTRACT:
A multiplex information handling system for a vehicle has a number of transmitters and receivers all interconnected by a common power bus and signal bus. The transmitters transmit signals along the signal bus representing the operational state of control equipment or equipment controlled by that equipment and the receivers respond to and act on such signals to, for example, authorize the display of information received or the initiation of a control function. System management and supervision is provided, such that, where the transmission of certain signal states is made dependent upon the state of other signals in the system, this dependence can be overridden, for example, for vehicle servicing. Supervision also provides for certain urgent signals to be given priority over other signals.

REFERENCES:
patent: 3796992 (1974-03-01), Nakamura et al.
patent: 3814861 (1974-06-01), Robbins
patent: 3818447 (1974-06-01), Craft
patent: 4058681 (1977-11-01), Imaizumi et al.
patent: 4156151 (1979-05-01), Borroni
patent: 4199663 (1980-04-01), Herzog
"Time-Shared Multiplexing System Applied to Motor Vehicles", by Nevett, Society of Automotive Engineers, Automotive Engineering Congress and Exposition, Detroit, Mich., Feb. 23-27, 1976.

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