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:
Apr. 06, 2010
Filed:
Jan. 26, 2006
Applicant:
John James Atkinson, Lynnfield, MA (US);
Inventor:
John James Atkinson, Lynnfield, MA (US);
Assignee:
Visidyne, Inc., Burlington, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 13/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aureolegraph includes a reflective screen with an aperture therein, a lens for focusing an image onto the screen, an imager for imaging the image on the screen, and a light trap for preventing light passing through the aperture in the screen from passing back out through the aperture.