Patents
Patents for G08B 17 - Fire alarms; Alarms responsive to explosion (10,975)
02/1996
02/27/1996US5495112 Flame detector self diagnostic system employing a modulated optical signal in composite with a flame detection signal
02/22/1996WO1996005582A1 Smoke alarm system with standby battery and reactive primary power supply
02/21/1996EP0697684A1 Transmission line monitoring apparatus for use in a fire alarm system
02/20/1996US5493119 Smoke and vapor detector for microwave oven
02/15/1996WO1996004631A1 Fire detection device with disruptive parameter correction
02/15/1996WO1996004627A1 Improvements relating to optical smoke detectors
02/15/1996WO1996004626A1 Enclosure for a gas detector system
02/15/1996WO1996004625A1 Fire detector comprising an analog sensor
02/15/1996WO1996004624A1 Fire detection system comprising an alarm control panel receiving an analog signal
02/15/1996WO1996004623A1 Fire detector with a non-volatile memory
02/14/1996EP0696787A1 Fire detecting device and method with air-pressure compensation
02/13/1996CA1338061C Automatic self-testing combustion products detector and smoke alarm
01/1996
01/24/1996CN1115449A Setting device for fire alarm system
01/24/1996CN1115448A Early stage fire detecting apparatus
01/23/1996US5486816 Fire detector having optic base clamping optic elements to a circuit board
01/23/1996US5486811 Fire detection and extinguishment system
01/16/1996US5485144 Compensated ionization sensor
01/09/1996US5483222 Multiple sensor apparatus and method
01/03/1996EP0634009A4 Improved diffusion-type gas sample chamber.
12/1995
12/27/1995CN2216274Y Fire voice lead escape indicator
12/27/1995CN1114071A Multipurpose computerized device for greeting guest and warning
12/26/1995US5478256 Fire detector having bayonet coupling and locking mechanism for base and detector unit
12/20/1995EP0687594A1 Method and apparatus for detecting fog or smoke, suitable for a vehicle
12/19/1995US5477218 Smoke detecting apparatus capable of detecting both smoke fine particles
12/07/1995DE4414166C1 Verfahren und Vorrichtung zur Messung der Lichtstreuung an Partikeln Method and apparatus for measuring the light scattering of particles
12/05/1995US5473314 High sensitivity smoke detecting apparatus using a plurality of sample gases for calibration
11/1995
11/29/1995EP0535102B1 Gaseous fluid aspirator or pump
11/29/1995CN1112703A Fire receiver in fire alarm system
11/29/1995CN1112702A Method for detecting and positioning fire by using colour image three-primary colors difference
11/28/1995US5471200 Smoke detector protector
11/22/1995EP0683475A2 Apparatus for supervising objects with regard to overheating
11/15/1995CN2212806Y Miniature wireless alarm for preventing theft and fire
11/15/1995CN2212805Y Intelligent detector for preventing theft and fire
11/15/1995CN1111922A Smoke simulator for scattered light detectors, process for regulating their sensitivity to smoke and use of the simulator
11/08/1995CN1111380A Multiple sensor apparatus and method
11/08/1995CN1111379A Photoelectric type fire detector and adjustment unit therefor
11/02/1995WO1995029393A1 Device for measuring light scatter by particles
11/02/1995EP0680025A1 Fire alarm system and transmitter used therein
11/02/1995EP0679280A1 Escape route indication system
11/01/1995CN1111022A 火警系统 Fire alarm system
10/1995
10/31/1995US5463566 Preprocessor for detection of punctiform sources in infrared scenarios
10/24/1995US5461370 Fire alarm system
10/24/1995US5461367 Electric panel fire alarm
10/18/1995EP0677829A1 Fire alarm system
10/18/1995CN1110407A Sensor device, and disaster prevention system and electronic equipment each having sensor device incorporated therein
10/17/1995CA2053816C Infrared fire-perimeter mapping
10/11/1995CN1109991A 火灾报警系统 Fire Alarm System
10/04/1995EP0675471A1 Setting device for fire alarm system
10/04/1995EP0675470A1 Fire receiver in fire alarm system
10/04/1995EP0675468A1 Early stage fire detecting apparatus
10/04/1995CN2209363Y Signal receiving loop device for fire signal receiver
09/1995
09/27/1995EP0674172A2 Equivalent circuit of environmental sensor, method for measuring and/or normalizing odor pressure, and odor and/or fire detection system, using the same
09/27/1995CN1109193A Method for the prevention of false alarms in a fire alarm system and a fire alarm system for implementation of the method
09/26/1995US5453749 Sensitivity measuring apparatus for use with a fire detector
09/20/1995EP0673008A1 Fire control system
09/19/1995US5451931 Optical smoke detector
09/19/1995US5451929 Smoke alarm and air cleaning device
09/18/1995CA2144579A1 Fire monitoring system
09/17/1995CA2119194A1 Smoke detector system for furnace
09/13/1995EP0641430A4 Gas sampling point for smoke/pollution detection systems.
09/13/1995EP0640210A4 Improvements relating to smoke detection scanning apparatus.
09/13/1995CN2207611Y Anti-theft, fire-proof alarm
09/13/1995CN1108411A Smoke detector, adjustment apparatus and test apparatus for such a smoke detector
09/12/1995US5450066 Fire alarm heat detector
09/06/1995CN1107986A Fire detecting apparatus
09/05/1995US5448224 Heat detector including device for detecting abnormality of external temperature sensor
08/1995
08/29/1995US5446445 Mobile detection system
08/29/1995US5446443 Fire-alarm system
08/15/1995US5442336 Switch-timer system and method for use in smoke detector alarm unit
08/10/1995WO1995005648A3 Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy
08/08/1995US5440145 Sampling chamber for a pollution detector
08/03/1995DE4402518A1 Ionisation-type smoke alarm
07/1995
07/25/1995US5436614 Thermal analog fire detector
07/18/1995US5434560 System for detecting random events
07/12/1995CN2203474Y Fire-proof alarm
07/12/1995CN1105140A 火警系统 Fire alarm system
07/11/1995US5432500 Overhead detector and light assembly with remote control
07/06/1995DE4410090C1 Smoke alarm using ionisation and optical scattering effects
07/04/1995US5430433 Radio analog sensor
07/04/1995US5430307 Light scattering smoke detector with smoke-entrance ladyrinth designed to prevent false signals due to reflection
06/1995
06/28/1995EP0660283A1 Photoelectric type fire detector and sensitivity adjustment unit therefor
06/28/1995EP0660282A1 System for the early detection of fires
06/27/1995US5428343 Disaster prevention monitoring apparatus and method
06/27/1995US5428341 Fire receiver
06/21/1995EP0658865A1 Smoke detector arrangement
06/21/1995EP0658264A1 Smoke simulator for scattered light detectors, process for regulating their sensitivity to smoke and use of the simulator
06/20/1995US5425582 Thermal detector and method of producing the same
06/20/1995CA1336013C Guest room control
06/14/1995CN1028924C Ionization type smoke detector
06/08/1995WO1995004338A3 Smoke detection system
06/07/1995EP0656611A2 Fire alarm system
06/06/1995US5422629 Alarm silencing circuitry for photoelectric smoke detectors
06/06/1995US5422484 Infrared sensor suitable for fire fighting applications
06/06/1995CA1335827C Fire detector
05/1995
05/31/1995EP0655720A1 Fire detecting apparatus
05/31/1995CN2199567Y Explosion-proof smoke sensor
05/30/1995US5420440 Optical obscruation smoke monitor having a shunt flow path located between two access ports
05/24/1995EP0654771A1 Method for preventing false alarms in a fire detecting system and device for performing this method
05/24/1995EP0654770A1 Device for early detection of fires
05/24/1995EP0654142A1 Aerosol discriminator
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