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Class Information
Number: 250/339.15
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > With selection of plural discrete wavelengths or bands > Detecting infrared emissive objects > Sensing flame or explosion
Description: Subject matter wherein the detection means sense infrared wavelengths emitted by the combustion of solids or gases.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553152 |
Flame detector trapezoidal excitation generator output control circuit and method |
Jun. 30, 2009 |
| 7420195 |
Frequency-optimized detection of gun muzzle flashes |
Sep. 2, 2008 |
| 7335885 |
Ultra low power NDIR gas sensor fire detector |
Feb. 26, 2008 |
| 7297970 |
Flame detector |
Nov. 20, 2007 |
| 7286704 |
Imaging fire detector |
Oct. 23, 2007 |
| 7214939 |
Ultra low power NDIR carbon dioxide sensor fire detector |
May. 8, 2007 |
| 7186979 |
Passive NDIR carbon dioxide sensor fire detector |
Mar. 6, 2007 |
| 7176460 |
Passive NDIR gas sensor fire detector |
Feb. 13, 2007 |
| 7155029 |
Method and apparatus of detecting fire by flame imaging |
Dec. 26, 2006 |
| 7112796 |
System and method for optical monitoring of a combustion flame |
Sep. 26, 2006 |
| RE39081 |
Localized automatic fire extinguishing apparatus |
May. 2, 2006 |
| 6927394 |
Fire detector with electronic frequency analysis |
Aug. 9, 2005 |
| 6914246 |
Method and apparatus for spatially resolving flame temperatures using ultraviolet light emission |
Jul. 5, 2005 |
| 6853358 |
Method and device for driving a plasma display panel |
Feb. 8, 2005 |
| 6806471 |
Flame detection device |
Oct. 19, 2004 |
| 6784430 |
Interdigitated flame sensor, system and method |
Aug. 31, 2004 |
| 6756593 |
Flame Sensor |
Jun. 29, 2004 |
| 6710345 |
Detection of thermally induced turbulence in fluids |
Mar. 23, 2004 |
| 6680671 |
Fire detection device |
Jan. 20, 2004 |
| 6677590 |
Flame sensor |
Jan. 13, 2004 |
| 6674080 |
Handheld heat detection device |
Jan. 6, 2004 |
| 6646265 |
Optical spectrometer and method for combustion flame temperature determination |
Nov. 11, 2003 |
| 6518574 |
Fire detector with multiple sensors |
Feb. 11, 2003 |
| 6515283 |
Fire detector with modulation index measurement |
Feb. 4, 2003 |
| 6507023 |
Fire detector with electronic frequency analysis |
Jan. 14, 2003 |
| 6448558 |
Active infrared signature detection device |
Sep. 10, 2002 |
| 6388254 |
Handheld heat detection device |
May. 14, 2002 |
| 6384414 |
Method and apparatus for detecting the presence of an object |
May. 7, 2002 |
| 6373393 |
Flame detection device and flame detection |
Apr. 16, 2002 |
| 6373558 |
Passive ranging to a target reflecting solar radiation |
Apr. 16, 2002 |
| 6350988 |
Optical spectrometer and method for combustion flame temperature determination |
Feb. 26, 2002 |
| 6346712 |
Flame detector |
Feb. 12, 2002 |
| RE37493 |
Localized automatic fire extinguishing apparatus |
Jan. 1, 2002 |
| 6281970 |
Airborne IR fire surveillance system providing firespot geopositioning |
Aug. 28, 2001 |
| 6275283 |
Passive ranging to source of known spectral emission to cue active radar system |
Aug. 14, 2001 |
| 6255651 |
Detector |
Jul. 3, 2001 |
| 6239433 |
Sensors using detector arrays |
May. 29, 2001 |
| 6239434 |
Solid state optical spectrometer for combustion flame temperature measurement |
May. 29, 2001 |
| 6239435 |
Fire detector with replacement module |
May. 29, 2001 |
| 6222618 |
Passive ranging to source of known spectral emission |
Apr. 24, 2001 |
| 6184792 |
Early fire detection method and apparatus |
Feb. 6, 2001 |
| 6153881 |
Fire detector and housing |
Nov. 28, 2000 |
| 6150659 |
Digital multi-frequency infrared flame detector |
Nov. 21, 2000 |
| 6078050 |
Fire detector with event recordation |
Jun. 20, 2000 |
| 6064064 |
Fire detector |
May. 16, 2000 |
| 6057549 |
Fire detector with multi-level response |
May. 2, 2000 |
| 6046452 |
Process and system for flame detection |
Apr. 4, 2000 |
| 5995008 |
Fire detection method and apparatus using overlapping spectral bands |
Nov. 30, 1999 |
| 5961314 |
Apparatus for detecting flame conditions in combustion systems |
Oct. 5, 1999 |
| 5959299 |
Uncooled infrared sensors for the detection and identification of chemical products of combustion |
Sep. 28, 1999 |
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