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Class Information
Number: 250/338.3
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > Pyroelectric type
Description: Subject matter including a material wherein a change in the intensity of absorbed incident radiation produces an electric signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7579595 |
PIR motion sensor |
Aug. 25, 2009 |
| 7564021 |
Pyroelectric sensor |
Jul. 21, 2009 |
| 7553077 |
Systems and methods for determining a temperature of a ferroelectric sensor |
Jun. 30, 2009 |
| 7476861 |
Passenger detection apparatus |
Jan. 13, 2009 |
| 7411195 |
Human body detection device and electronic equipment using the same |
Aug. 12, 2008 |
| 7405403 |
Bolometric detector, device for detecting infrared radiation using such a detector and method for producing this detector |
Jul. 29, 2008 |
| 7402803 |
Pixel architecture for thermal imaging system |
Jul. 22, 2008 |
| 7397301 |
Pyroelectric demodulating detector |
Jul. 8, 2008 |
| 7354770 |
Sensing device and method using photo-induced charge movements |
Apr. 8, 2008 |
| 7351975 |
Sensor system for identifying and tracking movements of multiple sources |
Apr. 1, 2008 |
| 7326936 |
Photodetector and photodetecting device |
Feb. 5, 2008 |
| 7312450 |
Infrared detecting device |
Dec. 25, 2007 |
| 7180063 |
Thermal infrared detector having a small thermal time constant and method of producing the same |
Feb. 20, 2007 |
| 7164131 |
High fidelity electrically calibrated pyroelectric radiometer |
Jan. 16, 2007 |
| 7161152 |
Method and apparatus for reducing false alarms due to white light in a motion detection system |
Jan. 9, 2007 |
| 7157709 |
Infrared sensor package |
Jan. 2, 2007 |
| 7129487 |
Infrared detecting circuit and an infrared detector |
Oct. 31, 2006 |
| 7105819 |
Infrared ray sensor using silicon oxide film as infrared ray absorption layer and method of fabricating the same |
Sep. 12, 2006 |
| 7064330 |
Infrared defect detection via broad-band acoustics |
Jun. 20, 2006 |
| 7026618 |
Highly-sensitive, pyroelectric infrared sensing method and apparatus |
Apr. 11, 2006 |
| 7022991 |
Active regulator for maximizing pyroelectric sensitivity |
Apr. 4, 2006 |
| 7019295 |
Digitally-controlled pyroelectric signal sampling circuit |
Mar. 28, 2006 |
| 6888141 |
Radiation sensor with photo-thermal gain |
May. 3, 2005 |
| 6881957 |
Passive infrared device for detection of boundary crossings |
Apr. 19, 2005 |
| 6863438 |
Microstructured thermosensor |
Mar. 8, 2005 |
| 6818892 |
System and method for infra-red detection |
Nov. 16, 2004 |
| 6815681 |
Electron beam lithography apparatus using a patterned emitter |
Nov. 9, 2004 |
| 6800854 |
Passive infrared detector |
Oct. 5, 2004 |
| 6765210 |
Infrared sensor with hysteresis and driving method thereof |
Jul. 20, 2004 |
| 6744049 |
Detection of obstacles in surveillance systems using pyroelectric arrays |
Jun. 1, 2004 |
| 6693279 |
Dynamic offset correction in detector arrays |
Feb. 17, 2004 |
| 6677589 |
Object detecting device with a pyroelectric sensor |
Jan. 13, 2004 |
| 6661010 |
Microbolometer operating system |
Dec. 9, 2003 |
| 6630671 |
Domain engineered ferroelectric optical radiation detector having multiple domain regions for acoustic dampening |
Oct. 7, 2003 |
| 6586738 |
Electromagnetic radiation detectors having a micromachined electrostatic chopper device |
Jul. 1, 2003 |
| 6585410 |
Radiant temperature nulling radiometer |
Jul. 1, 2003 |
| 6580077 |
Infrared sensor |
Jun. 17, 2003 |
| 6563118 |
Pyroelectric device on a monocrystalline semiconductor substrate and process for fabricating same |
May. 13, 2003 |
| 6539137 |
Thermo-electric signal coupler |
Mar. 25, 2003 |
| 6528792 |
Gas detection apparatus using a combined infrared source and high temperature bolometer |
Mar. 4, 2003 |
| 6495828 |
Ferroelectric/pyroelectric infrared detector with a colossal magneto-resistive electrode material and rock salt structure as a removable substrate |
Dec. 17, 2002 |
| 6469303 |
Non-dispersive infrared gas sensor |
Oct. 22, 2002 |
| 6465784 |
Infrared solid-state imaging sensing device |
Oct. 15, 2002 |
| 6452136 |
Monitoring and control system and method for sensing of a vessel and other properties of a cooktop |
Sep. 17, 2002 |
| 6448557 |
Thermal infrared detector provided with shield for high fill factor |
Sep. 10, 2002 |
| 6441374 |
Thermal type infrared ray detector with thermal separation structure for high sensitivity |
Aug. 27, 2002 |
| 6437331 |
Bolometer type infrared sensor with material having hysterisis |
Aug. 20, 2002 |
| 6429428 |
Radiation detectors |
Aug. 6, 2002 |
| 6403959 |
Infrared detector element, and infrared sensor unit and infrared detecting device using it |
Jun. 11, 2002 |
| 6399947 |
Infrared ray receiving element and infrared ray sensor using the same |
Jun. 4, 2002 |
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