Gas sensors and methods of controlling light sources therefore

Details for Australian Patent Application No. 2008271056 (hide)

Owner Mine Safety Appliances Company

Inventors Uber, Robert E.; Reno, John H.

Agent Mallesons

Pub. Number AU-A-2008271056

PCT Pub. Number WO2009/005799

Priority 11/899,508 06.09.07 US; 60/958,328 03.07.07 US

Filing date 1 July 2008

Wipo publication date 8 January 2009

International Classifications

G01N 21/17 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Systems in which incident light is modified in accordance with the properties of the material investigated

G01N 21/35 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

H05B 39/04 (2006.01) Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application

Event Publications

19 November 2009 PCT application entered the National Phase

  PCT publication WO2009/005799 Priority application(s): WO2009/005799

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