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US-2024167675-A1 · May 23, 2024 · US
Lamp and lighting apparatus
US8950890B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8950890-B2 |
| Application number | US-201113822804-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 19, 2011 |
| Priority date | Oct 22, 2010 |
| Publication date | Feb 10, 2015 |
| Grant date | Feb 10, 2015 |
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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.
A lamp according to the present invention includes: a line portion which blocks a part of light proceeding from a light emitting unit in a direction perpendicular to a tube axis direction; and a raised portion which blocks the light proceeding from the light emitting unit in the direction perpendicular to the tube axis direction that is not blocked by the line portion. The raised portion has an end portion having a linear shape in the tube axis direction, the end portion being an end portion of a section of the raised portion that blocks light.
First claim
Opening claim text (preview).
The invention claimed is: 1. A lamp, comprising: a straight tube; a light emitter disposed in the straight tube and extending in a tube axis direction; a first light blocker configured to block a part of light proceeding from the light emitter in a direction perpendicular to the tube axis direction; and a second light blocker configured to block the light proceeding from the light emitter in the direction perpendicular to the tube axis direction that is not blocked by the fi…
Assignees
Inventors
Classifications
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
- F21V11/00Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8950890B2 cover?
- A lamp according to the present invention includes: a line portion which blocks a part of light proceeding from a light emitting unit in a direction perpendicular to a tube axis direction; and a raised portion which blocks the light proceeding from the light emitting unit in the direction perpendicular to the tube axis direction that is not blocked by the line portion. The raised portion has an…
- Who is the assignee on this patent?
- Seki Katsushi, Ogata Toshifumi, Morikawa Makoto, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification F21V11/00. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Feb 10 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).