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.

Date of Patent:
May. 26, 2009

Filed:

Feb. 07, 2005
Applicants:

Masanobu Kobayashi, Shiojiri, JP;

Osamu Wada, Ina, JP;

Inventors:

Masanobu Kobayashi, Shiojiri, JP;

Osamu Wada, Ina, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A projector including: an image projection section for projecting an image onto a rectangular screen through a liquid crystal panel; a position adjustment information generation section for generating position adjustment information based on position adjustment of the image made by a user; a correction information generation section for generating position correction information for correcting positions of four corners of the image on the screen based on the position adjustment information; and a correction section for correcting image information for projecting the image based on the position correction information.


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