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:
Oct. 01, 2019
Filed:
Jun. 06, 2017
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Thomas Dawson, Escondido, CA (US);
Steven Richman, San Diego, CA (US);
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 26/08 (2006.01); G02F 1/29 (2006.01); G03B 21/60 (2014.01);
U.S. Cl.
CPC ...
G03B 21/60 (2013.01);
Abstract
To avoid requiring precise alignment between a projector and a projection screen, plural micro etched faceted grooves are provided for each area of the screen onto which a single pixel is to be projected. Each facet may be roughened, or gently curved, and the walls between adjoining facets likewise may be curved.