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:
May. 30, 2017
Filed:
Jan. 07, 2015
Seiko Epson Corporation, Tokyo, JP;
Naoto Takehana, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A projector according to an aspect includes a light source device, a light modulation device adapted to modulate light from the light source device to form image light, a projection optical system adapted to perform tilted projection of the image light input from the light modulation device to display an image, and a guide display section adapted to display a guide image used for fitting the image projected by the projection optical system to a screen, the guide image is provided with a focus adjustment pattern forming area disposed in a central portion in a direction perpendicular to a tilt direction in a peripheral zone on the tilt direction side, and a focus adjustment pattern is formed in the focus adjustment pattern forming area.