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. 09, 2013
Filed:
Aug. 03, 2010
Chien-chih Hsiung, Taichung, TW;
Chien-Chih Hsiung, Taichung, TW;
Asia Optical International Ltd., Tortola, VG;
Abstract
An optical projection device includes a laser engine, a first wave plate and a lens. The laser engine provides light. The first wave plate changes a light phase. The lens focuses light. A projecting method of an optical projection device includes providing a light including a first P polarized light, a first S polarized light, and a second S polarized light, and projecting light through a wave plate on a screen, wherein the wave plate moves in a direction perpendicular to light. A projecting method of an optical projection device includes providing light including a first P polarized light, a first S polarized light, and a second S polarized light, and projecting light through a wave plate on a screen, wherein the wave plate rotates around an axis parallel to a projecting direction of light.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile