Automatically controlled mirror

Details Automatically controlled mirror Automatically controlled mirror

1992-04-30

1993-09-28

Arnold, Bruce Y.

Optical: systems and elements

Mirror

Automatically adjustable in response to vehicle position,...

359865, 359877, G02B 508, G02B 7182

Patent

active

052490831

ABSTRACT:
An automatically controlled rear view mirror for a truck tractor-trailer rig is disclosed which utilizes an stranded metal cable running from an encoder box, mounted on the back center of a tractor to the front center of a trailer; whereby as the trailer turns, the angle between the tractor and trailer changes so as to change the length of the stranded metal cable; thereby triggering the encoder box to send digital signals to a control panel which controls the stepper motor located on the mirror assembly, thereby turning the mirror in response to the tractor being turned at an angle relative to the trailer.

REFERENCES:
patent: 3868176 (1975-02-01), Young
patent: 4820032 (1989-04-01), Thompson, Jr.
patent: 5056905 (1991-10-01), Jensen
patent: 5085504 (1992-02-01), Jensen

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