Projector and projection screen
US-8988774-B2 · Mar 24, 2015 · US
Projector and screen
US9354501B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9354501-B2 |
| Application number | US-201514617356-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 9, 2015 |
| Priority date | Nov 9, 2012 |
| Publication date | May 31, 2016 |
| Grant date | May 31, 2016 |
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- Title
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- Abstract
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- First independent claim
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Abstract
Official abstract text for this publication.
This projector includes a laser light generation portion, a projection portion scanning laser light, and a projection screen. The projection screen includes a lens member including a plurality of lens portions splitting the laser light and a diffusion member arranged to be opposed to the lens member, having an incident surface and a diffusion portion. The diffusion portion of the diffusion member is arranged at a position apart by a distance larger than the focal length of the lens member along an optical axis with respect to the optical principal surface of the lens member.
First claim
Opening claim text (preview).
What is claimed is: 1. A projection apparatus comprising: a laser light output portion that outputs a laser light; a scanning portion that scans the laser light; and a projection portion on which a scanned laser light by the scanning portion is projected includes a lens member and a diffusion member, wherein the lens member includes a lens portion that splits a scanned laser light and the diffusion member includes an incident surface where a split laser light is incident, a di…
Assignees
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Classifications
- G03B21/625Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Electricity · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US9354501B2 cover?
- This projector includes a laser light generation portion, a projection portion scanning laser light, and a projection screen. The projection screen includes a lens member including a plurality of lens portions splitting the laser light and a diffusion member arranged to be opposed to the lens member, having an incident surface and a diffusion portion. The diffusion portion of the diffusion memb…
- Who is the assignee on this patent?
- Funai Electric Co
- What technology area does this patent fall under?
- Primary CPC classification G03B21/625. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 31 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).