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US Patent 9132856 Trailer backing up device and table based method

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Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
91328561
Date of Patent
September 15, 2015
1
Patent Application Number
135076711
Date Filed
July 18, 2012
1
Patent Citations Received
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US Patent 12005900 Vehicle controllability during trailer backup operations
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3
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US Patent 11760414 Trailer backup offset determination
Patent Primary Examiner
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James Trammell
1
Patent abstract

The present invention is a guidance computing system used by the driver of a vehicle towing a trailer while backing-up that rapidly calculates and predicts the direction in which the tow vehicle and trailer will become generally in-line for a given position of the steering wheel, thereby enabling the use of slower, lower cost microcomputers. This is accomplished by using a predetermined table, based on a baseline trailer of known length, having a measure of turning as one of its axes; such an axis is necessary to facilitate ratiometric scaling to convert table values to correspond to any length trailer. In a specially equipped vehicle incorporating servomechanisms to enable the vehicle to steer itself, the driver indicates the direction desired for the trailer to travel. The present invention also predicts left and right path limits for controlling the direction of the trailer when maneuvering complex paths.

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