194826 ⎘
Fire alarms; Alarms responsive to explosion; Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
Sub-classes:FIRM ALARM DEVICE HAVING TWO PROCESSORS
#2ASPIRATING SMOKE DETECTOR WITH TEST MODULE
#3SYSTEM FOR DYNAMIC BUILDING EVACUATION
#4SYSTEMS AND METHODS OF FIRE DETECTOR ALARM LATCHING
#5FIRE DETECTION BY A PRE-EXISTING ELECTRICITY METER
#6TRACKING SYSTEM SUPPORTED BY TELECOMMUNICATIONS SERVICE CONFIGURED FOR PERSONAL SAFETY AND SECURITY
#7RADIO/MICROWAVE FREQUENCY GAS SENSOR
#8PROXIMITY DETECTION FOR LIFE SAFETY DEVICES
#9Smoke detection method with temperature and dust compensation
#10MULTI-BEAM SMOKE DETECTOR
#11Telecommunications service configured for personal safety and security
#12FIRM ALARM DEVICE HAVING TWO PROCESSORS
#13ENHANCED EMERGENCY DETECTION SYSTEM
#14SYSTEM-ON-CHIP SoC AND SMOKE DETECTION DEVICE COMPRISING THE SAME
#15SMOKE DETECTOR AND ALARM SYSTEM
#16LIGHT EMITTER DRIVER CIRCUIT FOR SMOKE DETECTOR
#17OPTICAL FILTER, AND TEST ASSEMBLY AND METHOD FOR SMOKE DETECTOR
#18ASPIRATING SMOKE DETECTOR WITH TEST MODULE
#19Multi-stage firm alarm device
#20DISASTER PREVENTION APPARATUS
#21Fire monitoring system and container-type data center system
#22Systems and methods for dynamic building evacuation
#23APPARATUS AND METHOD FOR VERIFYING OPTICAL FUNCTIONALITY IN A CHAMBERLESS SMOKE DETECTOR
#24FIRE PROTECTION SYSTEM
#25Smart gas monitoring device
#26Smoke entry solution for multi wave multi angle safety device
#27Elderly care and security system
#28Safety detection device and system
#29Fire detection system and fire detection method
#30Enhanced emergency detection system
#31Fabry-Perot spectrometer-based smoke detector
#32Integrated circuit for smoke detector having compatibility with multiple power supplies
#33Cleaning system for a smoke detector
#34Photoelectric smoke detectors
#35Fire detection with data transmission
#36Emergency lighting color temperature control
#37Fiber Bragg grating-based advance pneumatic fire/overheat detector
#38Receiver, fire detection system, and fire detection method
#39Printed circuit board for smoke detector
#40Constant current driving circuit and corresponding photoelectric smoke alarm circuit
#41Duty cycle tuning in self-resonant piezo buzzer
#42System and method for detecting smoke using a sensor
#43Hazard detector with optical status indicator
#44FIRE DETECTION APPARATUS AND METHOD USING LIGHT SPECTRUM ANALYSIS
#45System and method for dynamic evacuation of buildings
#46SMOKE DETECTOR CHAMBER BOUNDARY SURFACES
#47CONTROL SYSTEM FOR USE DURING TUNNEL FIRE
#48Fire suppression system for a structure or a vehicle
#49Enhanced emergency detection system
#50Gas monitoring device, gas monitoring system, gas monitoring method, cabinet and computer readable storage medium
#51Smoke detection method and apparatus
#52Smoke device and smoke detection circuit
#53Chamberless air quality monitors with temperature sensing
#54Hazard detector with optical status indicator
#55Aspirating detector system
#56Warning System
#57Smoke detector chamber boundary surfaces
#58Fire detector having a photodiode for sensing ambient light
#59Method and device for calibrating a smoke detector
#60Remote sensing system
#61AUTOMATIC COVER DETECTION SYSTEM AND METHOD
#62Gas detection device
#63Enhanced emergency detection system
#64Automatically moving floor treatment appliance
#65Smoke device and smoke detection circuit
#66Base station for connection with a surface treatment device, system comprised of a surface treatment device and base station, and method for operating a base station
#67MOBILE SMOKE AND FIRE DETECTION SYSTEM AND METHOD
#68Fire notification system and test method using test jig therefor
#69Beam phasing method and apparatus for adjusting a timing of beam projections
#70Beam alignment
#71Systems including a smart device for receiving a prerecorded message and transmitting the prerecorded message to a detector
#72Lighting system with monitoring and alarm function
#73Enhanced emergency detection system
#74Method and System for Liquid Cleaning of Smoke Sensor Heads
#75Evaluating a placement of optical fire detector(s) based on a plume model
#76GAS DETECTION DEVICE
#77Wide-area chamberless point smoke detector
#78Encoder-less lidar positioning technique for detection and alarm
#79Systems and methods for optically coupling optoelectronic components of a hazard detection system to determine a smoke condition of an environment
#80SYSTEMS AND METHODS FOR USING A POWER CHARACTERISTIC OF AN OPTOELECTRONIC COMPONENT OF A HAZARD DETECTION SYSTEM TO DETERMINE A SMOKE CONDITION OF AN ENVIRONMENT
#81Particle detector, system and method
#82Optical smoke detection unit for a smoke detector, with two light-emitting diodes optically coupled together and with an associated control unit for the deduction of aging information and a smoke detector
#83Electrical connector for atmospheric isolation
#84Use of optical reflectance proximity detector in battery-powered devices
#85Alarm circuit for electronic device
#86Projected beam detector with imaging device
#87Chamber-less smoke sensor
#88Smoke and fire detector
#89Light-emitting device for detecting passage or smoke and method for manufacturing such a device
#90Method of detecting particles by detecting a variation in scattered radiation
#91Combustion product detection
#92Strobe assembly
#93Particle detector, system and method
#94Photoelectric smoke sensor
#95Use of optical reflectance proximity detector for nuisance mitigation in smoke alarms
#96Method of smoke detection with direct detection of light and detection of light reflected from an external sampling volume
#97Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction
#98Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction
#99Fire detector
#100SYSTEM AND METHODS FOR MONITORING AN ENVIRONMENT
#101PORCH LIGHT
#102Apparatus of monitoring electrical fire for power distribution pannels
#103Use of optical reflectance proximity detector for nuisance mitigation in smoke alarms
#104Smoke detector
#105CONTROL AND MONITORING OF LIGHT-EMITTING-DIODE (LED) BULBS
#106Enhanced emergency detection system
#107Integrated circuit to operate in an area of ionizing radiation, and having an output for a radiation dose-dependent way damage information, and alarm indicators and corresponding method
#108Method of detecting particles by detecting a variation in scattered radiation
#109Smoke detector
#110Particle detector, system and method
#111Recreational smoking monitor system for use in occupied spaces
#112Suction-type smoke sensing system
#113Current sensing with internal ADC capacitor
#114Danger detector for operation in nuclear field, having heating system for heating typically non-radiation hardened semiconductor components to increase functional service life
#115Airborne impurities detection
#116Gas concentration monitor
#117Method of detecting particles by detecting a variation in scattered radiation
#118Evaluation of a difference signal between output signals of two receiving devices in a sensor apparatus
#119Smoke sensor including a current to voltage circuit having a low frequency correction means to produce a correction current
#120Carbon monoxide and smoke detectors having distinct alarm indications and a test button that indicates improper operation
#121Use of optical reflectance proximity detector for nuisance mitigation in smoke alarms
#122ALIGNMENT AND ADJUSTMENT OF A LIGHT PATH
#123Device and Method for Detecting Smoke by Joint Evaluation of Two Optical Backscatter Signals
#124Smoke sensor of the sound wave type including a smoke density estimation unit
#125Smoke detectors
#126FREQUENCY-CORRECTED CLOCK SIGNAL GENERATION INTEGRATED CIRCUIT DEVICE
#127Separate-type detector with redundant synchronization feature
#128Apparatus and Method For Infrared Beam Smoke Detection
#129Smoke detector
#130Smoke detector
#131Particle detector, system and method
#132Combined scattered-light and extinction-based fire detector
#133Infrared Laser Based Alarm
#134Fiber-optic based automatic fire-suppression controller
#135Microprocessor operated, portable early fire detection and prevention device
#136Techniques for smoke detection
#137Method of detecting particles by detecting a variation in scattered radiation
#138Photon sensor user manipulated touch interface
#139Smoke detector and method of detecting smoke
#140Camera vision fire detector and system
#141Fiber-optic based automatic fire-suppression controller
#142Smoke detector
#143Smoke detection method and apparatus
#144Methods for dynamic building evacuation
#145Fire warning network and emergency guidance system
#146Fire warning network and emergency guidance system
#147Smoking detection device with tamper countermeasures
#148Recreational vehicle escape slide assembly
#149Systems and methods for dynamic building evacuation
#150Flame detectors and testing methods