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.:

US 8322862 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 04, 2012

Filed:

Aug. 02, 2010
Applicant:

Hiroshi Nara, Matsumoto, JP;

Inventor:

Hiroshi Nara, Matsumoto, JP;

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

A projector includes: a storing unit that stores setting data indicating a manual trapezoidal distortion correction system selected out of plural kinds of manual trapezoidal distortion correction systems; an operation unit that generates operation information; an imaging unit that picks up an image of a projection target area and generates a pickup image; an automatic trapezoidal distortion correction unit that performs automatic trapezoidal distortion correction; a projecting unit that projects, after the automatic trapezoidal distortion correction is performed, irrespectively of the manual trapezoidal distortion correction system indicated by the setting data, an adjustment instruction image for urging adjustment of a vertex position of a display planned area of the image in the projection target area; and a manual trapezoidal distortion correction unit that performs manual trapezoidal distortion correction on the basis of operation information indicating an adjustment instruction for the vertex position.


Find Patent Forward Citations

Nara, Hiroshi. (2012). Projector, computer program product, and trapezoidal distortion correcting method (U.S. Patent No. 8322862). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8322862

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