Image projection apparatus

US9348201B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9348201-B2
Application numberUS-201514728796-A
CountryUS
Kind codeB2
Filing dateJun 2, 2015
Priority dateNov 4, 2011
Publication dateMay 24, 2016
Grant dateMay 24, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An image projection apparatus includes a light source unit including a light source detachable from a main body, an image forming part to form an image with a light from the light source, a projection optical system to project the image, an openable cover to open and close an opening formed for attaching and detaching the light source unit to and from the main body, an abutting member on which the light source unit abuts when the light source unit is attached to the main body, and a pressing member to press the light source unit to the abutting member, in conjunction with a fix operation of the openable cover to the main body.

First claim

Opening claim text (preview).

What is claimed is: 1. An image projection apparatus, comprising: a light source unit including a light source and a light source bracket to which the light source is mounted; a casing that houses the light source unit, the casing including an opening through which the light source unit passes when the light source unit is inserted into and removed from the image projection apparatus, and the casing including a cover to open and close the opening; a fan to generate an airflow;…

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What does patent US9348201B2 cover?
An image projection apparatus includes a light source unit including a light source detachable from a main body, an image forming part to form an image with a light from the light source, a projection optical system to project the image, an openable cover to open and close an opening formed for attaching and detaching the light source unit to and from the main body, an abutting member on which …
Who is the assignee on this patent?
Ishikawa Naoyuki, Yamada Masamichi, Fujioka Tetsuya, and 3 more
What technology area does this patent fall under?
Primary CPC classification G03B21/145. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue May 24 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).