The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 1989
Filed:
Aug. 26, 1987
Applicant:
Inventors:
Ralph W Alten, Arnold, MO (US);
Alvin R Fleming, St. Louis, MO (US);
Assignee:
Siegel-Robert, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350279 ; 350380 ; 350381 ;
Abstract
The present invention includes a variable reflectivity mirror assembly to provide positions of high and low reflectivity which includes a support member or housing, a reflective panel, motor means, actuation means secured to the housing for driven by the drive element of the motor, and a timed-drive circuit for directing the current through the motor in opposite directions to move the mirror between the two positions. The present invention also includes a mechanism for actuating the mirror as well as the motor drive circuit and the push-button assembly for actuating the mirror.