Optical trailer hitch locator

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

Reexamination Certificate

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Details

C340S435000, C340S531000, C340S471000, C340S472000, C340S442000, C340S686200, C348S148000

Reexamination Certificate

active

07151443

ABSTRACT:
A vision sensor mounted above a hitch ball attached to a vehicle detects a colored magnet mounted on a trailer hitch and transmits the visual signal to a processor mounted within the vehicle operated by a power source such as the vehicle's 12 volt D.C. battery. The processor assimilates the sensor's signal and indicates the location of the trailer hitch on a display screen mounted on the dashboard of the vehicle. As the vehicle driver backs his vehicle to place the trailer hitch signal on the ball signal, the actual ball on the vehicle ends up under the trailer hitch.

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patent: 6480104 (2002-11-01), Wall et al.
patent: 6970184 (2005-11-01), Hirama et al.
patent: 2003/0234512 (2003-12-01), Holub

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