Patent · US Active

Optical gas detector

US8994949B2 · kind B2 · utility

0Cited by

8References

12Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Serge Gidon · La Murette, FR
Pierre Gidon · Échirolles, FR

Key dates

Filing date	Sep 19, 2013
Grant date	Mar 31, 2015
Priority date	—
Expiry date	Oct 16, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG01N21/359
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.