Optical gas detector

US8994949B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8994949-B2
Application numberUS-201314032004-A
CountryUS
Kind codeB2
Filing dateSep 19, 2013
Priority dateSep 20, 2012
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A gas detector including an assembly of two hemispherical caps having opposite concavities, and which are reflective on at least a portion of their opposite surfaces, and a wafer arranged in an equatorial plane of the assembly of the two caps, in the vicinity of but spaced apart from the center of the equatorial plane, including, back-to-back: a diverging light emitter directed towards the first cap and a light receiver directed towards the second cap.

First claim

Opening claim text (preview).

What is claimed is: 1. A gas detector comprising: an assembly of two hemispherical caps having opposite concavities, and which are reflective on at least a portion of their opposite surfaces, and a plate arranged in an equatorial plane of the assembly of the two caps, in the vicinity of but spaced apart from the center of the equatorial plane, comprising, back-to-back, a generator-detector assembly of: a diverging light generator directed towards the first cap, and a light de…

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What does patent US8994949B2 cover?
A gas detector including an assembly of two hemispherical caps having opposite concavities, and which are reflective on at least a portion of their opposite surfaces, and a wafer arranged in an equatorial plane of the assembly of the two caps, in the vicinity of but spaced apart from the center of the equatorial plane, including, back-to-back: a diverging light emitter directed towards the firs…
Who is the assignee on this patent?
Commissariat L Energie Atomique Et Aux Energies Alternatives, Commissariat Energie Atomique
What technology area does this patent fall under?
Primary CPC classification G01N21/61. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 31 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).