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:
Dec. 16, 2014
Filed:
Nov. 13, 2009
Takayuki Uchiyama, Yokohama, JP;
Nobuhiro Fujinawa, Yokohama, JP;
Takayuki Uchiyama, Yokohama, JP;
Nobuhiro Fujinawa, Yokohama, JP;
Nikon Corporation, Tokyo, JP;
Abstract
A projection apparatus comprising a projection unit provided with an optical system that projects an image, a housing that houses the projection unit, a first surface, provided at the housing, that functions as a distance reference surface that defines a distance from a projection window that the housing is provided with to a projection surface that projects the image and as a first placement surface used when setting the housing, and a second surface, provided at the housing, that perpendicularly intersects the first surface and functions as a second placement surface when setting the housing is provided.