The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2008
Filed:
Feb. 24, 2005
Gloria Sogan, Epagny, FR;
Julien Bounouar, Annecy-le-Vieux, FR;
Jean-pierre Desbiolles, Cruseilles, FR;
Isabelle Gaurand, Annecy le Vieux, FR;
Gloria Sogan, Epagny, FR;
Julien Bounouar, Annecy-le-Vieux, FR;
Jean-Pierre Desbiolles, Cruseilles, FR;
Isabelle Gaurand, Annecy le Vieux, FR;
Alcatel, Paris, FR;
Abstract
A method of detecting gaseous species in a mixture by light-emission spectroscopy, in which use is made of the radiation emitted by a plasma () present in the gas mixture under analysis, a measurement system () is used to take a raw optical spectrum of said radiation emitted by the plasma (), and the raw optical spectrum is compared with a library of reference optical spectra, the method comprising a step of generating a pruned optical spectrum, which step consists in making use, in the raw optical spectrum, of only those zones of the spectrum that present a significant shape corresponding to a predefined shape criterion, and subsequently said pruned spectrum is compared with the library of reference optical spectra.