Trailer communications system

Communications: electrical – Land vehicle alarms or indicators – For trailer

Patent

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Details

340531, 34082506, 307 91, G08B21/00

Patent

active

059054336

ABSTRACT:
A trailer communications system (36) is provided. The system (36) includes a trailer transducer unit (22) for location on a trailer (12). A vehicle transducer unit (24) can be located on a vehicle (26, 28, 30) or a stationary object (32). The trailer transducer unit (22) and the vehicle transducer unit (24) may communicate information in the form of acoustic signals broadcast at an ultrasonic frequency in response to a predetermined event.

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