Patents
Sitemap › G08 - Signalling › G08B - Signalling or calling systems; Order telegraphs; Alarm systems › G08B 17 - Fire alarms; Alarms responsive to explosion
Patents for G08B 17 - Fire alarms; Alarms responsive to explosion (10,975)
11/2000
11/30/2000WO2000072282A1 Self adjusting smoke detector
11/29/2000EP1056062A2 Fire detector
11/28/2000US6154142 Fire sensor and fire detecting method
11/28/2000US6153881 Fire detector and housing
11/22/2000CN2407356Y Smoke and flame detector with laser reflection
11/22/2000CN2407346Y Automatic alarm for temperature detection
11/21/2000US6150935 Fire alarm system with discrimination between smoke and non-smoke phenomena
11/16/2000WO2000068909A1 Method and apparatus
11/16/2000DE10021976A1 Heat detector with alarm temperature threshold for testing alarm operation includes a push-to-test circuit with a parallel circuit for a test resistor and a transistor both wired between a supply resistor and a voltage source.
11/15/2000EP1052606A2 Thermographic system to check and prevent fires in a vehicle
11/07/2000US6144289 Alarm signaling device having a touch-to-silence feature
11/07/2000US6143090 Method and device for de-icing an intake aperture
11/07/2000CA2061508C Smoke detector with automatic dialing
11/02/2000EP1049061A2 Fire detector
11/02/2000EP1049060A2 Miniature photoelectric sensing chamber
11/02/2000EP1049059A2 Fire detector
11/01/2000CN1271916A Fire disaster detector
10/2000
10/26/2000WO2000063863A1 Method of detecting fire with light section image to sense smoke
10/25/2000EP1046148A1 Signaling fire detector
10/25/2000EP1046147A1 Alarm
10/25/2000EP1046146A1 Fire alarm and fire alarm system
10/25/2000CN2403085Y Linear infrared beam smoke sensing detector
10/25/2000CN2403084Y 紫外火焰探测器 UV flame detector
10/19/2000DE19912911A1 Smoke detector with transmitter and receiver in housing inserted in ceiling, to emit beam for reflection off smoke
10/18/2000EP1045524A1 Low power radio receiver
10/18/2000EP1045354A2 An alarm device
10/18/2000CN1270375A Fire alarm
10/17/2000US6133828 Fire detection and alarm system with selective fire warning
10/05/2000WO2000058924A1 Smoke detector housing
10/04/2000CN1268726A Optical fibre radar temp. alarm device
09/2000
09/27/2000EP1039427A1 Fire detector
09/27/2000EP1039426A2 Smoke sensing device
09/27/2000EP1038280A1 A fire alarm
09/26/2000US6124795 Detector interconnect system
09/21/2000WO2000055619A1 Degradation monitoring
09/19/2000US6121885 Combination smoke detector and severe weather warning device
09/19/2000US6121883 Method and device for fluid pressure analytical electronic heat and fire detection
09/14/2000WO2000054235A1 Alarm
09/14/2000WO2000054044A1 Chemical sensor systems
09/14/2000WO2000054042A1 Fire detection apparatus
09/12/2000US6118382 System and method for alerting safety personnel of unsafe air temperature conditions
09/12/2000US6118381 Fire detection including an air movement device and pre-condition sensing
09/12/2000US6118373 Method of remotely detecting an ambient condition
09/05/2000US6114967 Quake-alerter w/radio-advisory and modular options
09/04/2000CA2299919A1 Duct detector
09/04/2000CA2264364A1 Wall-mounted smoke detector shutoff warning device
08/2000
08/30/2000CN2394211Y Intellectual temperature difference sensor
08/29/2000US6111512 Fire detection method and fire detection apparatus
08/29/2000US6111511 Flame and smoke detector
08/29/2000US6111367 Light emission circuit
08/23/2000EP1030279A2 Method for detecting incipient fire and aspirating device implementing said method
08/22/2000US6107925 Method for dynamically adjusting criteria for detecting fire through smoke concentration
08/17/2000WO2000047989A1 Carbon dioxide permeable protective layer
08/17/2000WO2000047091A1 Christmas ornament
08/17/2000DE19905776A1 Schutzschicht Protective layer
08/16/2000CN2392222Y Composite type conflagration detector with combination of ionic smoke sensor and electronic temp. sensor
08/15/2000US6104301 Hazard detection, warning, and response system
08/10/2000DE19904477A1 Arrangement for monitoring and alarm transmission for fire extinguishing systems, has switching arrangement with individually addressable communications modules
08/09/2000EP0636266B1 Device for testing smoke detectors
08/08/2000US6100789 Fire control and indicating equipment
08/02/2000EP1023709A1 High sensitivity particle detection
08/02/2000CN1261972A Smoke detector
07/2000
07/31/2000CA2297360A1 Switching circuit which functions in conjunction with a 9-volt d. c. battery powered smoke detector and a 9-volt d.c. power adaptor
07/27/2000WO2000043965A1 Smoke alarm with anti-dust screen
07/27/2000DE19902114A1 Fire protection device for data processing systems uses output of smoke detector to isolate electrical power supply
07/26/2000EP1022700A2 Light scattering fire detector
07/26/2000EP0880764A4 Multi-signature fire detector
07/25/2000US6094143 Light obstruction type smoke sensor
07/18/2000US6091328 Fire alarming system
07/12/2000CN2387680Y Fire disaster signal collecting and transmitting device
07/06/2000WO2000039771A1 Thermal ionization detector
07/05/2000EP1017034A2 Optical smoke detector according to the extinguish principle and method for compensating the temperature drift
07/05/2000CN2386496Y Domestic gas safety monitor unit
07/04/2000US6084522 Temperature sensing wireless smoke detector
06/2000
06/29/2000DE19858877A1 Fire detection and sprinkler system that use sprinkler lines for sampling air and supplying water
06/28/2000EP1012805A1 Smoke detector
06/28/2000CN1258353A Light projection device for photoelectric smoke sensor
06/20/2000US6078269 Battery-powered, RF-interconnected detector sensor system
06/20/2000US6078050 Fire detector with event recordation
06/20/2000US6078040 Smoke detecting apparatus with a predetermined direction electric field component
06/14/2000CN1256411A Suction detector with gas flow sensor
06/13/2000US6075447 Smoke detecting christmas tree ornament system
06/08/2000DE19854780A1 Ionisationsrauchmelder Ionization Smoke Detector
06/07/2000EP1006500A2 Smoke detector with aspiration unit and flow sensor
06/07/2000CN2382077Y Embedded detector
06/07/2000CN2382076Y Fire alarm linking controller
06/07/2000CN1255695A Device for checking function of scattered light smoke warner
06/07/2000CN1255694A Alarm and communication control system for fire accidents
06/07/2000CN1255632A Smoke sensing method and device for detecting fire accident by reflected light beams
06/06/2000US6072398 Automatic gas detection system
06/04/2000CA2291203A1 Aspirated detector with flow sensor
05/2000
05/31/2000EP1005005A2 Ionisation smoke detector
05/31/2000EP1004106A1 Carbon monoxide and smoke detection apparatus
05/24/2000EP0800694B1 Fire detector identification
05/18/2000WO2000027479A1 Flame arrester
05/17/2000CN2378781Y Multiway fire image monitoring and alarming switcher
05/16/2000US6064064 Fire detector
05/11/2000WO2000026881A1 Rate of rise detector for use with explosion detection and suppression equipment
05/11/2000DE19952327A1 Brandsensor und Verfahren zur Detektion eines Feuers Fire sensor and method for detecting a fire,
05/11/2000DE19850564A1 Fire detection comprises use of fire alarms incorporating electrochemical and/or semiconductor gas sensors
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