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:
Aug. 11, 1987
Filed:
Oct. 25, 1985
David A Pringle, Pacific Palisades, CA (US);
Helen Gourley, San Francisco, CA (US);
Optech Inc., Burbank, CA (US);
Abstract
A reflector assembly for projecting a beam of light along an optical axis, the assembly including an enclosure having an aperture for projecting the beam of light and a source of light mounted within the enclosure. A reflecting mirror is disposed within the enclosure and arranged to move axially with respect to the optical axis of the beam of light between positions adjacent the aperture and remote from the aperture. A plurality of reflector segments are disposed between the movable reflector and the aperture in the enclosure, the segments each being defined as a portion of a cone or cylinder and with gaps therebetween arranged so as to permit the passage of air between the segments.