Automobile multiplex data communication system including fail-sa

Details Automobile multiplex data communication system including fail-sa Automobile multiplex data communication system including fail-sa

1993-03-23

1995-01-24

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

340602, 340459, 370 851, G08B 2100, B60Q 100, H04J 314

Patent

active

053847652

ABSTRACT:
In an automobile multiplex data communication system (1000), a fail-safe function is established without providing a specific function switch. The automobile multiplex data communication system (1000) includes: transmission means (3:11:101:901) for transmitting operation data about a plurality of operation units (2a:106:204:704) provided with a plurality of terminal units (1a:202:602:902) corresponding thereto, which are required to operate an automobile; drive means (4:420) for driving a relevant terminal unit (1a:202:602:902) in response to said operation data; detecting means (5:410) for detecting an extraordinary state concerning transmission/reception operations of said operation data to produce an extraordinary-state detection signal; and control means (6:12) for independently controlling the operation of said relevant terminal unit (1a:202:602:902) by AND-gating said extraordinary-state detection signal and each of operation outputs derived from said operation units.

REFERENCES:
patent: 4665351 (1987-05-01), Nyberg
patent: 4841520 (1989-06-01), Steely
patent: 4931767 (1990-06-01), Albrecht et al.
patent: 5121386 (1992-06-01), Wolfsgraber et al.
patent: 5203207 (1993-04-01), Sugiyama

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