Patents for G08B 17 - Fire alarms; Alarms responsive to explosion (10,975) |
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06/08/1994 | CN1087739A Ion smoke-sensitive detector capable to find out functional failure |
06/01/1994 | CN2167418Y Fire detecting alarm device |
05/25/1994 | CN2166492Y Sound alarming device for fire |
05/18/1994 | CN2165489Y Automatic alarm fire-extinguisher |
05/17/1994 | US5313185 Temperature sensing cable device and method of making same |
05/11/1994 | EP0596500A1 Smoke detecting apparatus for fire alarm |
05/10/1994 | US5311167 UV/IR fire detector with dual wavelength sensing IR channel |
05/10/1994 | CA2015090C Method and apparatus for detecting flame |
04/28/1994 | WO1994008660A1 Process and device for the speedy and automatic detection of forest fires |
04/27/1994 | CN2163410Y Integral fire disaster alarming device |
04/26/1994 | US5307051 Night light apparatus and method for altering the environment of a room |
04/20/1994 | EP0592923A1 Electrical unit with address verification |
04/16/1994 | CA2104994A1 Electrical unit with address verification |
04/12/1994 | US5302837 Photoelectric smoke detector with expanded visual field |
04/06/1994 | EP0589922A1 Method and device for measuring the smoke concentration in air |
04/05/1994 | US5300923 Apparatus and method for disabling a smoke detector when using a smoke-emanating apparatus |
03/29/1994 | US5298223 Connecting common electrode with gate terminal of transistor |
03/23/1994 | EP0588753A1 Method for detecting a fire condition |
03/23/1994 | EP0588232A1 Optic smoke detector |
03/23/1994 | EP0587898A1 Fire alarm |
03/23/1994 | CN1084274A Alarm detecting agent and its prepn. |
03/10/1994 | DE4307585C1 Compensating for air humidity in stray light signal unit for fire alarm system - contg. first light transmitter with associated optic and light receiver with associated optic with its output signal representing measured value of smoke density |
03/09/1994 | CN2158555Y Alarm for fire-proof function |
03/08/1994 | US5293049 Analyzing a scatter signal from an optical particle counter |
03/02/1994 | EP0281633B1 Signal sending circuit of a disaster prevention system |
03/02/1994 | CN1023880C Preparation method for standard air and its apparatus |
03/01/1994 | CA1327390C Apparatus and method for detecting the presence of a burner flame |
02/22/1994 | US5289275 Surveillance monitor system using image processing for monitoring fires and thefts |
02/22/1994 | US5289165 Smoke alarm apparatus |
02/17/1994 | WO1994003792A1 Aerosol discriminator |
02/16/1994 | EP0583131A1 Flame detection method and apparatus |
02/16/1994 | EP0582975A1 Automatic fire annunciator |
02/16/1994 | CN1081922A Monitor and communication system for forest fire |
01/26/1994 | EP0580110A1 Smoke detecting apparatus for fire alarm |
01/25/1994 | US5281954 Device for replacing battery in smoke alarm |
01/25/1994 | US5281951 Fire alarm system and method employing multi-layer net processing structure of detection value weight coefficients |
01/18/1994 | US5280273 Toxic gas detector system having convenient battery and sensor replacement |
01/18/1994 | US5280272 Fire alarm system which distinguishes between different types of smoke |
01/18/1994 | CA2013610C Scheme for power conservation in fire alarm system |
01/17/1994 | WO1994018546A1 Improved diffusion-type gas sample chamber |
01/12/1994 | EP0578189A1 Optic smoke detector |
01/05/1994 | CN1080421A Ionization type smoke detector |
01/04/1994 | US5276433 Methods and apparatus for temperature sensing |
12/23/1993 | WO1993025986A1 Apparatus and method for a smoke alarm device with integrated testing circuits |
12/22/1993 | EP0574549A1 Early warning reactive gas detection system |
12/21/1993 | CA1325463C Assembly for mounting luminescent and light receiving elements in a photocell-type detector |
12/09/1993 | WO1993022630A3 Device for testing the operability of a system for detecting heat-radiating particles carried in a particle stream |
12/08/1993 | CN2148902Y Automatic monitoring safety device for combustion-gas stove |
12/08/1993 | CN1079323A Fire detector |
12/01/1993 | EP0571843A1 Fire detector |
12/01/1993 | EP0571842A1 Ionization type smoke detector |
12/01/1993 | EP0571841A1 Sensitivity measuring apparatus for use with a fire detector |
11/30/1993 | US5267180 Fire alarm system having prestored fire likelihood ratio functions for respective fire related phenomena |
11/25/1993 | WO1993023736A1 Improvements relating to smoke detection scanning apparatus |
11/25/1993 | WO1993023735A1 Gas sampling point for smoke/pollution detection systems |
11/24/1993 | EP0571077A2 Fluid pollution monitor |
11/24/1993 | EP0570431A1 Detector with indicator light |
11/24/1993 | CN2147599Y 电火探测器 Electric fire detector |
11/23/1993 | US5264668 Smoke detector muffling device |
11/23/1993 | US5263543 External fire prevention system |
11/18/1993 | EP0569712A1 Fire detector |
11/18/1993 | EP0374237B1 Radiation detector system |
11/11/1993 | WO1993022630A2 Device for testing the operability of a system for detecting heat-radiating particles carried in a particle stream |
11/09/1993 | US5260765 Beam alignment apparatus and method |
11/09/1993 | US5260691 Fire alarm device accompanied with air conditioner |
11/09/1993 | US5260687 Combined method of determining fires |
11/03/1993 | EP0567823A1 Ionization type smoke detector |
11/03/1993 | EP0567820A1 Detector Base |
11/03/1993 | EP0567791A1 Smoke and vapour detector for microwave oven |
11/03/1993 | CN2145383Y Siren for integrated circuit |
10/28/1993 | DE4304890A1 Detecting measurement parameter of textiles fibres e.g. cotton flowing in pipe - separating ideal transport flow into ideal measurement flows of smaller cross=section and recombining. |
10/27/1993 | CN2144746Y Automatic alarm cut-off device for gas leakage |
10/27/1993 | CN1077811A 检测器基座 Detector base |
10/27/1993 | CN1077810A Fike detector |
10/27/1993 | CN1077809A Ionization type smoke detector |
10/26/1993 | US5257013 Protecting UV flame detecting apparatus |
10/19/1993 | US5254975 Compensation type heat sensor |
10/19/1993 | US5254877 Distributed power supply system |
10/14/1993 | WO1993020544A1 Fire crisis management expert system |
10/13/1993 | EP0565034A2 Distributed power supply system |
10/13/1993 | EP0564900A1 Fire-alarm system |
10/13/1993 | CN1077300A Fire-alarm system |
10/10/1993 | CA2089958A1 Distributed power supply system |
10/06/1993 | EP0563340A1 Fire-detecting device |
10/05/1993 | CA1322781C Method of detecting fire in an early stage |
09/21/1993 | US5246397 Spacer rack for smoke detecton having separable sections |
09/16/1993 | WO1993018494A1 Thermal condition sensor system for monitoring equipment operation |
09/15/1993 | CN2142214Y Fire alarm by water flow |
09/08/1993 | EP0559065A1 Fire indicating device |
09/07/1993 | US5243330 Fire detector system and method |
09/07/1993 | US5243329 Smoke alarm for use with an electronic timing device |
08/25/1993 | CN1075549A Improved gas sample chamber |
08/17/1993 | US5237512 Electromagnetic radiation |
08/17/1993 | US5237308 Supervisory system using visible ray or infrared ray |
08/10/1993 | US5235323 Fire alarm with electric and non-electric annunciators |
08/05/1993 | WO1993015577A1 Fire alarm |
07/28/1993 | EP0343235B1 Real time adaptive round discrimination fire sensor |
07/27/1993 | US5231378 Particle detection which senses scattered light |
07/27/1993 | US5231377 Electronic close damper alert unit |
07/24/1993 | CA2060099A1 Stove sensor |