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:
Jul. 02, 2002
Filed:
Jul. 27, 1999
Applicant:
Inventor:
Stephen A. Benton, Lincoln, MA (US);
Assignee:
Corporation for Laser Optics Research, Portsmouth, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/74 ; H04N 9/31 ; G03B 2/160 ;
U.S. Cl.
CPC ...
H04N 5/74 ; H04N 9/31 ; G03B 2/160 ;
Abstract
A laser projection video system and a holographic screen. The system includes a pulsed laser video image system with a holographic screen to receive the full color video image, which screen has a holographic layer (layer ) to reflect back the full color video image to the viewer and to transmit through the screen the ambient light to provide high video picture contrast.