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:
Feb. 01, 2000
Filed:
Jan. 13, 1998
Yoshimoto Ishikawa, Kanagawa-ken, JP;
Tetsuo Kanno, Kanagawa-ken, JP;
International Business Machines Corp., Armonk, NY (US);
Abstract
The present invention is directed to a liquid crystal projector comprising a light source for emitting white light, a separation mechanism for separating the white light into light beams with a plurality of colors at different angles, a liquid crystal panel for giving the light beams optical modulation, a lens mechanism for converging the light beams so that the light beams are incident upon respective pixels of the liquid crystal panel, a mechanism for magnifying and projecting the light beams emergent from the liquid crystal panel, and a moving mechanism for moving an incident position of the light beams on the liquid crystal panel an amount of an integer times a pitch between the pixels.