Vehicle communication method and apparatus

Details Vehicle communication method and apparatus Vehicle communication method and apparatus

2008-03-26

2010-06-22

Crosland, Donnie L (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

For trailer

C340S538000, C340S538110, C340S538150, C340S315000, C701S036000

Reexamination Certificate

active

07741960

ABSTRACT:
An apparatus and method for binary communication between a vehicle and a trailer transmits high voltage and low voltage signals detectable as high bits and low bits aggregated into messages. A controller in the vehicle and trailer subsystems each include transceivers for transmitting messages across the vehicle's powerbus that are detectable when current flows across the powerbus. The apparatus and method are useful for controlling trailer brakes via a blue wire interface.

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patent: 5412644 (1995-05-01), Herberle
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patent: 6756881 (2004-06-01), Bateman et al.
patent: 7059689 (2006-06-01), Lesesky
Asynchronous Serial Transmission, www-scm.tees.ac.uk/users/u0000408/Async/async.htm, Sep. 21, 1999.
RS-232, en.wikipedia.org/wiki/RS-232, last updated Feb. 20, 2008.

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