The hitching up aid for towing ball couplings (7) on trailer vehicles (4) includes a guiding and limiting component (12) in the form of a transverse rail angled upwards from its support (13) and in plan view has an obtuse angled front side with an opening ...

A sensor (4) detects an attached trailer (5). The proximity sensors (3, 3') work in a first or second operational mode (A, B), i+n accordance with a signal (a, b) from the sensor (4). In mode A, i.e. without trailer, the proximity (D, D') of a rear obstruc...

The positioning method uses a transmitter (6) positioned at the longitudinal axis (A3) of the trailer vehicle (3), for providing a signal beam (10) with a defined radiation angle, received by a receiver (7) with adjacent reception elements extending on eit...

The object of the invention is that a driver can accurately back a vehicle while watching an image from a rearview camera thus easily engaging a hitch with a coupling member of a trailer. An image display method for a rearview camera for displaying an imag...

There are provided a displaying means arranged at a position that can be looked at from a driver's seat of a vehicle, an image picking-up means for picking up an image of a rear portion of the vehicle containing at least a part of a hitch that is provided ...

A locus superposing section (203) superposes a locus estimated line of a hitch equipped onto vehicle rear-portion, on the image picked-up by the vehicle's rear-view camera. A display (204) arranged at a driver-viewable position, displays the superposed out...