Sunshine recorder and sunshine measurement method
US-2024319005-A1 · Sep 26, 2024 · US
Light projection device
US9217865B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9217865-B2 |
| Application number | US-201214113695-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 20, 2012 |
| Priority date | May 23, 2011 |
| Publication date | Dec 22, 2015 |
| Grant date | Dec 22, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A light projection device capable of irradiating light only onto an object includes: a light projector in which an object and a back surface of the object are taken as a projectable range; a shadow region detector that detects a shadow that occurs on the back surface of the object by projection light; and a controller that corrects a shadow region so that a projection region of the light projector and the shadow region can coincide with each other on the back surface of the object, sets the corrected shadow region as a light projection range and sets, as a non-light projection range, a region other than the shadow region, and sets projection light projected onto the set light projection range, wherein the light projector projects the projection light onto a range where the object is present by projecting the set projection light onto the set light projection range.
First claim
Opening claim text (preview).
The invention claimed is: 1. A light projection device that projects light onto an object arranged in an arbitrary space, comprising: a light projector that projects projection light, in which the object and a back surface of the object are taken as a projectable range; a shadow region detector that detects a shadow region occurring on the back surface of the object by the projection light projected from the light projector; a shadow region corrector that corrects the shadow r…
Assignees
Inventors
Classifications
Physics · mapped topic
Mechanical Engineering · mapped topic
Electricity · mapped topic
Mechanical Engineering · mapped topic
Physics · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9217865B2 cover?
- A light projection device capable of irradiating light only onto an object includes: a light projector in which an object and a back surface of the object are taken as a projectable range; a shadow region detector that detects a shadow that occurs on the back surface of the object by projection light; and a controller that corrects a shadow region so that a projection region of the light projec…
- Who is the assignee on this patent?
- Yamamoto Atsuyuki, Kawamura Ryo, Panasonic Ip Man Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification G01J1/4228. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Dec 22 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).