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Class Information
Number: 340/577
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Flame
Description: Subject matter wherein the detected condition is the presence or absence of a flame.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619534 |
Method and apparatus for detection of hazardous or potentially hazardous conditions |
Nov. 17, 2009 |
| 7605687 |
Ambient condition detector with variable pitch alarm |
Oct. 20, 2009 |
| 7567182 |
Acoustic fire sensing system |
Jul. 28, 2009 |
| 7541938 |
Optical flame detection system and method |
Jun. 2, 2009 |
| 7528700 |
Integrated fire exit alert system |
May. 5, 2009 |
| 7528732 |
Fire alarm device and method |
May. 5, 2009 |
| 7522037 |
Method for forming and transmitting signals |
Apr. 21, 2009 |
| 7521662 |
Portable handheld artificial light detector |
Apr. 21, 2009 |
| 7492269 |
Self diagonostic flame ignitor |
Feb. 17, 2009 |
| 7474226 |
Smoke detector calibration |
Jan. 6, 2009 |
| 7463159 |
Fire detector |
Dec. 9, 2008 |
| 7417530 |
Sleep safety alarm |
Aug. 26, 2008 |
| 7408477 |
Fire alarm pull station with audio deterrent |
Aug. 5, 2008 |
| 7365648 |
Fire alarm |
Apr. 29, 2008 |
| 7337156 |
Method for detecting and combating forest and surface fires |
Feb. 26, 2008 |
| 7327269 |
Flame sensor for a burner |
Feb. 5, 2008 |
| 7321301 |
Wireless children's safety light in a security system |
Jan. 22, 2008 |
| 7286704 |
Imaging fire detector |
Oct. 23, 2007 |
| 7242310 |
Control techniques for shut-off sensors in fuel-fired heating appliances |
Jul. 10, 2007 |
| 7231808 |
Method and apparatus for measuring oxygen content |
Jun. 19, 2007 |
| 7224284 |
Smoke detector calibration |
May. 29, 2007 |
| 7221260 |
Multi-sensor fire detectors with audio sensors and systems thereof |
May. 22, 2007 |
| 7202794 |
Flame detection system |
Apr. 10, 2007 |
| 7199721 |
Alarm shut off system |
Apr. 3, 2007 |
| 7199724 |
Method and apparatus to aide in emergency egress |
Apr. 3, 2007 |
| 7180406 |
Onboard fire alert system |
Feb. 20, 2007 |
| 7170396 |
Addressable smart speaker |
Jan. 30, 2007 |
| 7154388 |
Vehicle compartment smoke and fire indication system and method for use |
Dec. 26, 2006 |
| 7155029 |
Method and apparatus of detecting fire by flame imaging |
Dec. 26, 2006 |
| 7145466 |
National security warning system integrated with building fire alarm notification system |
Dec. 5, 2006 |
| 7138912 |
Movable barrier operations method and apparatus |
Nov. 21, 2006 |
| 7127070 |
Loudspeaker broadcasting system and loudspeaker broadcasting apparatus |
Oct. 24, 2006 |
| 7123154 |
Remote sensing and signaling of the presence of wildfire |
Oct. 17, 2006 |
| 7119678 |
Wireless light sensor input to a security system |
Oct. 10, 2006 |
| 7119697 |
Hydrogen fire detection system & method |
Oct. 10, 2006 |
| 7098796 |
Method and system for detecting fire in a predetermined area |
Aug. 29, 2006 |
| 7091869 |
Optoacoustic measuring arrangement and use thereof |
Aug. 15, 2006 |
| 7064660 |
System and method for inferring an electronic rendering of an environment |
Jun. 20, 2006 |
| 7046154 |
Flame-monitoring device |
May. 16, 2006 |
| 7030766 |
Ambient condition detector with multi-function test |
Apr. 18, 2006 |
| 7008218 |
Combustion emission estimation with flame sensing system |
Mar. 7, 2006 |
| 7009521 |
Power supply and interconnect detector system |
Mar. 7, 2006 |
| 7002478 |
Smoke and flame detection |
Feb. 21, 2006 |
| 6989745 |
Sensor device for use in surveillance system |
Jan. 24, 2006 |
| 6985080 |
Flame sense circuit and method with analog output |
Jan. 10, 2006 |
| 6975235 |
Temperature warning system for a fireplace |
Dec. 13, 2005 |
| 6967582 |
Detector with ambient photon sensor and other sensors |
Nov. 22, 2005 |
| 6960987 |
Fire alarm system, fire sensor, fire receiver, and repeater |
Nov. 1, 2005 |
| 6956485 |
Fire detection algorithm |
Oct. 18, 2005 |
| 6952169 |
Cordless/wireless automatic detection and suppression system |
Oct. 4, 2005 |
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