Trailer detection circuit for a vehicle park assist system

Communications: electrical – Vehicle parking indicators

Reexamination Certificate

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Details

C340S431000

Reexamination Certificate

active

10738654

ABSTRACT:
Vehicle park assist systems and a method of operating a vehicle including an operably attached trailer. The vehicle park assist system includes a transmitter arrangement to produce incident energy on an obstacle, and a sensor arrangement to detect reflected energy from the obstacle. A controller determines an obstacle status based on the reflected energy, and detects attachment of a trailer to the vehicle. A warning apparatus operably coupled to the controller indicates the obstacle status. The warning apparatus is regulated based on the attachment of the trailer to the vehicle. The method includes providing a vehicle park assist system, detecting the attachment of the trailer to the vehicle, and regulating the vehicle park assist system based on the attachment of the trailer to the vehicle.

REFERENCES:
patent: 3734539 (1973-05-01), Salmi
patent: 5434552 (1995-07-01), Ems
patent: 5754123 (1998-05-01), Nashif et al.
patent: 6226226 (2001-05-01), Lill et al.
patent: 6446998 (2002-09-01), Koenig et al.
patent: 6476730 (2002-11-01), Kakinami et al.
patent: 6594614 (2003-07-01), Studt et al.
patent: 6788190 (2004-09-01), Bishop

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