Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 250/339.14
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > With selection of plural discrete wavelengths or bands > Detecting infrared emissive objects
Description: Subject matter which includes the detection of an infrared radiant energy emitting object and indication of the presence, location, or direction of the energy emitting object.


Sub-classes under this class:

Class Number Class Name Patents
250/339.15 Sensing flame or explosion 122


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7439510 Compact emissivity and temperature measuring infrared detector Oct. 21, 2008
7432505 Infrared-based method and apparatus for online detection of cracks in steam turbine components Oct. 7, 2008
7126124 Marking determining method and marking determining apparatus Oct. 24, 2006
7081817 Motion detection apparatus employing millimeter wave detector Jul. 25, 2006
6914246 Method and apparatus for spatially resolving flame temperatures using ultraviolet light emission Jul. 5, 2005
6818881 Optical filter and passive infrared detector assembly Nov. 16, 2004
6756591 Method and device for photothermal imaging tiny particles immersed in a given medium Jun. 29, 2004
6677590 Flame sensor Jan. 13, 2004
6518574 Fire detector with multiple sensors Feb. 11, 2003
6448558 Active infrared signature detection device Sep. 10, 2002
6384414 Method and apparatus for detecting the presence of an object May. 7, 2002
6297504 Method and apparatus for the imaging of gases Oct. 2, 2001
6288395 Passive infrared detection system and method with adaptive threshold and adaptive sampling Sep. 11, 2001
6288396 Satellite thermal infrared technique for short-term and impending prediction of strong earthquakes Sep. 11, 2001
6262855 Infrared laser beam viewing apparatus Jul. 17, 2001
6246056 Earth sensor Jun. 12, 2001
6239433 Sensors using detector arrays May. 29, 2001
6153881 Fire detector and housing Nov. 28, 2000
6124103 Arrangement and method of examining hydrophilic macromolecules in an aqueous solution Sep. 26, 2000
6100527 Fast response radiation detector Aug. 8, 2000
6064064 Fire detector May. 16, 2000
6057549 Fire detector with multi-level response May. 2, 2000
5942753 Infrared remote sensing device and system for checking vehicle brake condition Aug. 24, 1999
5929777 Radio activated personal infrared distress beacon Jul. 27, 1999
5903005 Aspherical elements for infrared imaging system May. 11, 1999
5773826 Flame detector and protective cover with wide spectrum characteristics Jun. 30, 1998
5686889 Infrared sniper detection enhancement Nov. 11, 1997
5654700 Detection system for use in an aircraft Aug. 5, 1997
5587784 Multispectral-staring sensor Dec. 24, 1996
5534694 Infrared imaging system for enhancing the perception of a scene by a vehicle operator Jul. 9, 1996
5528037 Band analysis system Jun. 18, 1996
5517201 Game alert system May. 14, 1996
5497003 Pyroelectric detector array with optical filter elements Mar. 5, 1996
5481112 Method and apparatus for process control of material emitting radiation Jan. 2, 1996
5479255 Multispectral signature extraction technique Dec. 26, 1995
5444241 Emissivity corrected infrared method for imaging anomalous structural heat flows Aug. 22, 1995
5276326 Scanning ranging radiometer for weather hazard surveillance Jan. 4, 1994
5258618 Infrared imager forming two narrow waveband images of the same object field Nov. 2, 1993
5212384 System for detecting a hot spot in an infra-red detected landscape May. 18, 1993
RE33857 Imaging of hot infrared emitting surfaces obscured by particulate fume and hot gases Mar. 24, 1992
5093574 Infrared sensor for short range detection wherein the sun may be in the field of view of the detector Mar. 3, 1992
5061854 Short scan passive infrared remote sensor Oct. 29, 1991
4980554 Laser line identifier Dec. 25, 1990
4945244 Electronic infrared detector Jul. 31, 1990
4937447 Air turbulence detection Jun. 26, 1990
4864127 Earth surface hydrocarbon gas cloud detection by use of landsat data Sep. 5, 1989
4849620 Optronic heading deviation measurement system providing spatial and spectral discrimination of infrared light sources Jul. 18, 1989
4725733 Apparatus and method for remotely detecting the presence of chemical warfare nerve agents in an air-released thermal cloud Feb. 16, 1988
4710630 Optical detection system Dec. 1, 1987
4543481 Leak detection in pipelines Sep. 24, 1985

1 2


 
 
  Recently Added Patents
Angle grinder
Method and apparatus for bidding on broadcast service requests and offers from nearby devices
Canonical model to normalize disparate persistent data sources
Lens system
Sensing apparatus
Versatile system for cross-lateral junction field effect transistor
Analog-to-digital converter compensation system and method
  Randomly Featured Patents
Modular hip prosthesis
Distributed computing services platform
Pan of a feeder assembly
Structure for converting an integral implement to a drawn type
Recording medium, process for production thereof, and image-forming method employing the recording medium
Ink supply system
Method for calibrating a heat flux gauge
Managing input/output (I/O) requests in a cache memory system
Method for managing contents of a hierarchical data model
Strap containment device