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:
Nov. 04, 2003
Filed:
Jan. 19, 2000
Eric Chevalier, Annecy le Vieux, FR;
Philippe Maquin, St Jean de Sixt, FR;
Roland Bernard, Viuz-la-Chiesaz, FR;
Alcatel, Paris, FR;
Abstract
The invention relates to a gas analysis system for analyzing gases in an enclosure under controlled pressure, which system comprises apparatus for ionizing the gases to be analyzed, and apparatus for analyzing the ionized gases. According to the invention the apparatus for ionizing the gases to be analyzed comprises a dedicated plasma source in contact with the gases contained in the enclosure and combined with a generator for generating a plasma from the gases to be analyzed; and the apparatus for analyzing the ionized gases comprises a radiation sensor situated in the vicinity of the zone in which the plasma is generated, and connected to an optical spectrometer for analyzing the variation of the radiation spectrum emitted by the generated plasma.