Optical: systems and elements – Mirror – Automatically adjustable in response to vehicle position,...
Patent
1994-02-28
1998-02-17
Shafer, Ricky D.
Optical: systems and elements
Mirror
Automatically adjustable in response to vehicle position,...
359872, 359877, G02B 508, G02B 7182, B60R 106
Patent
active
057197130
ABSTRACT:
An automatic side view mirror tracking and control system enables drivers of articulated vehicles such as tractor trailers to keep visual contact with the side and rear of the trailer throughout a turn while backing the vehicle. This is accomplished without driver intervention through the use of a microprocessor receiving the outputs of either a plurality of ultrasonic transducers or a pair of fluxgate compasses. The microprocessor uses the aforementioned outputs to determine the rotational angle between the trailer and the tractor. Based upon these determinations, the mirror is moved to a position commensurate with the subject angle so that the driver of the vehicle is able to view the side and rear corner of the vehicle. A software filter prevents the mirror from being moved unless a predetermined change in the vehicle angle is detected.
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Shafer Ricky D.
Ultra-View Technology, Inc.
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