Optical: systems and elements – Mirror – With support
Patent
1992-12-28
1994-05-24
Ben, Loha
Optical: systems and elements
Mirror
With support
359841, 318469, 318286, 73 1D, G02B 7182
Patent
active
053154428
ABSTRACT:
The electrical control system for an electrically powered foldable rearview mirror having a mirror body mounted on a hollow supporting shaft extending from a supporting base so as to be movable between a folded state and an erected state, comprises a reversible motor and reduction gear drive contained in the mirror body; a motor drive circuit connected to the reversible motor to drive the mirror body between the folded state and the errected state; a mechanical stop device to stop rotation of the mirror body when the mirror body reaches the erected state or the folded state including convex and concave portions on the a root portion of the shaft and mirror body respectively; a noncontacting sensor for detecting a halt to motor rotation as a result of a halt of mirror body rotation; and a control circuit for interrruption of the motor drive circuit when the noncontacting sensor detects the halt of the motor rotation.
REFERENCES:
patent: 4394607 (1983-07-01), Lemirande
patent: 4626083 (1986-12-01), Nakayama et al.
patent: 4786157 (1988-11-01), Mori et al.
patent: 4798967 (1989-01-01), Yamana et al.
patent: 4910445 (1990-03-01), Borrmann
patent: 4981347 (1991-01-01), Nakayama
patent: 4982926 (1991-01-01), Mori et al.
patent: 5008603 (1991-04-01), Nakayama et al.
Iwanabe Naoto
Sato Hidenori
Ben Loha
Murakami Kaimeido Co. Ltd.
Robbins Thomas
Striker Michael J.
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