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7541938 |
Optical flame detection system and method
A long range optical sensor and system for detecting the flame of forest fires or other fires while rejecting false alarms due to solar radiation is described. The sensor utilizes a collector optic...
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7504956 |
System and method for pest detection
Systems and methods for detecting presence and movement of pests. Various embodiments of a pest detection system can be based on, for example, a beam-interrupt detector or a thermal imaging device....
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7492269 |
Self diagonostic flame ignitor
Techniques for monitoring operation of a flame ignitor are provided. In one embodiment, multiple inputs are received. The inputs are received from at least one of a first group of inputs and a...
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7489136 |
Apparatus and method of detecting radiation
Embodiments include apparatus and method of detecting radiation. One embodiment comprises device for detecting radiation. The device comprises a sensor configured to generate an electrical signal...
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7456749 |
Apparatus for detecting a fire by IR image processing
An apparatus for detecting a fire in a scene by infrared radiation image processing includes a means for receiving a sequential plurality of infrared radiation images of the scene, a means for...
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7423531 |
Electronic label for the identification of containers, and container and nozzle top comprising one such label
An electronic label ( 1 ) is used to mark a container ( 2, 6 ). The label includes a radio identification element (RFID, Radio Frequency Identification Device) ( 10, 11 ) and which is intended to...
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7382140 |
Method and device for flame monitoring
A capacitor connected to a voltage source is charged during a charging phase up to a voltage value, and during a discharging phase the capacitor is discharged via a coupling element connected to...
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7365648 |
Fire alarm
A fire alarm for an installation via a housing that is flush with the ceiling, having at least one light source arranged in the housing and at least one light receiver arranged in the housing, as...
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7337156 |
Method for detecting and combating forest and surface fires
A method for the detection and combating of forest and surface fires includes the steps of observing and detecting fires using an infrared camera on board an observation aircraft; georeferencing...
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7327273 |
Fluid monitoring device
This invention relates to a device to monitor the administration of a fluid through a conduit, such as intravenous fluid, and detect the completion of fluid delivery by monitoring the fluid level...
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7327269 |
Flame sensor for a burner
A flame sensor circuit is used to sense the presence or absence of a flame in a burner. A first sensor generates a first intensity signal which is proportional to the light intensity of the flame...
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7289032 |
Intelligent flame scanner
Techniques for determining a characteristic of a flame are provided by the present invention. Provided are methods as well as devices. A flame is monitored across a contiguous spectral range to...
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7256818 |
Detecting fire using cameras
Detecting a fire, such as a fire in an aircraft cargo bay, includes receiving a plurality of frames of video information, determining an energy indicator for each of a subset of the plurality of...
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7202794 |
Flame detection system
A flame detection system includes a plurality of sensors for generating a plurality of respective sensor signals. The plurality of sensors includes a set of discrete optical radiation sensors...
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7154400 |
Fire detection method
A method for detecting a fire while discriminating against false alarms in a monitored space containing obstructed and partially obstructed views includes the steps of positioning an infrared...
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7119697 |
Hydrogen fire detection system & method
To detect flames burning carbon-free hydrogen-bearing fuels, first, second, and third sensors sense first, second and third regions of an infrared water emission band, and generate first, second,...
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7091869 |
Optoacoustic measuring arrangement and use thereof
The measuring arrangement contains a measuring cell and a reference cell, respectively, and microphones assigned to these cells, to which microphones an electronic evaluation circuit is connected...
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7088253 |
Flame detector, method and fuel valve control
A flame detector and burner fuel valve control has an ultraviolet sensitive, cold cathode, gas discharge tube in a DC quench circuit. In the presence of a flame, the circuit generates a pulse...
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7068166 |
Break-in detection system
A break-in detection system includes a detection sensor of an FBG type for detecting an intruder trying to climb over a fence around a premises, and a detection sensor of an OTDR type for detecting...
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7048068 |
Fire extinguishing system for large structures
A method and system for detecting and extinguishing fires, and for sharing fire retardant throughout a network of interconnected reservoirs, is self-sealing and autonomous. The system isolates...
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RE39081 |
Localized automatic fire extinguishing apparatus
An automated fire extinguishing apparatus includes a turret with a nozzle connected to a water supply. A plurality of sensors are used to detect a fire monitored by the apparatus. The signals from...
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7009497 |
Method of distinguishing the presence of a single versus multiple persons
A plurality of sensors are positioned in a home. Sensor fire data is delivered to a remote server, and the sensor fire data is segmented into single-state blocks broken up by door opening and...
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7009521 |
Power supply and interconnect detector system
A contactless ambient condition detection system includes at least one base connectable to a power and signal transmitting cable and a compatible detector. The detector removably engages the base....
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7002478 |
Smoke and flame detection
A method of operating a computer for smoke and flame detection comprising the steps of: receiving digitised images of the region to be monitored; comparing pixels of one of said images with pixels...
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6975235 |
Temperature warning system for a fireplace
A temperature warning system for a fireplace includes, for example, an arrangement to sense a temperature of at least one area of the fireplace and a signaling device controlled by the arrangement...
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6956485 |
Fire detection algorithm
A method and apparatus for the detection of flame by entering (S 1 ) a video signal into an algorithm which processes individual pixels in (S 2 ) a frequency band is determined and used as a filter...
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6937743 |
Process and device for detecting fires based on image analysis
Method for automatically detecting fires, based on flame and/or smoke recognition by analyzing a sequence of images. The analysis is based on several image processing algorithms. One algorithm...
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6914535 |
Light scattering type smoke sensor
A light scattering type smoke sensor comprising a holder with openings embedded with light emitting part and light detecting part respectively, which do not protrude into the smoke detection...
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6828913 |
Scattered light smoke alarm
A dispersion light smoke detector has a structure for providing a definite measuring volume, the structure being formed as two light receivers or an imaging optical system for one light receiver.
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6801133 |
Electrical wiring monitoring system
An electrical wiring monitoring system for sensing overheating of electrical lines which could result in electrical fires. The electrical wiring monitoring system includes a housing member having...
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6788208 |
Method for controlling stationary fire-extinguishing systems
A method and a fire-alarm system controls stationary fire-extinguishing systems. The fire-alarm devices of the fire-alarm system are equipped with one or more detectors. If at least one...
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6753776 |
Presence sensing system and method
A presence sensing system provides one or more visible indicators useful for indicating a relative location of objects sensed within the scanning field of view. For example, the system may have an...
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6737977 |
Fire detector unit
An improved fire detector unit has a plastic base defining a smoke chamber for detection of a smoke density in terms of light scattering due to the smoke particles in the smoke chamber. The base...
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6732810 |
Detector system for detecting glowing particles
The present invention relates to a detector arrangement inlcuded in a preventative, protective system. The sensor lobes of at least two sensor units or sensor sections are arranged to cover the...
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6700495 |
Flame monitor for an oil- and gas-operated burner
The invention relates to a flame monitor for an oil- or gas-operated burner, having a photosensor which detects the optical flame radiation and an evaluation circuit which is connected downstream...
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6700496 |
Flame and spark detector, automatic fire alarm and methods related thereto
The present invention relates to a flame detector for detection of the presence of a flame or spark in front of the detector comprising a UV sensitive photocathode ( 12; 21 ) and an anode ( 14; 22...
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6696958 |
Method of detecting a fire by IR image processing
A method of detecting a fire in a scene by infrared (IR) radiation image processing comprises the steps of: receiving a sequential plurality of IR radiation images of the scene, each image...
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6680671 |
Fire detection device
A fire detection device luminance data over a time period longer than a repetition period of movement of a flame, to generate resampled data, and a device that calculates an average value of N...
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6652266 |
Flame sensor and method of using same
A flame sensor for sensing the presence of a flame in a burner. The signal from the sensor is passed to an amplifier located adjacent to the sensor and amplified without having a sensor signal...
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6642846 |
Infrared intrusion detector and method
An intrusion detector for detecting an intrusion into a protected space overlying a predetermined surface is provided. In one embodiment, the intrusion detector includes a housing to be mounted...
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6545608 |
Smoking rules enforcement apparatus
A flame-sensing element and supporting circuitry is disguised by installing it in an object normally found within the type of room in which it is to monitor. In the best example, a lavatory is...
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6515283 |
Fire detector with modulation index measurement
A process and system for flame detection includes a microprocessor-controlled detector with an array of sensors for sensing radiant energy from a fire or other heat source. A wide band infrared...
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6515589 |
Scattering light smoke alarm
A scattering light smoke alarm has a light transmitter and a light receiver arranged so that a scattering point of the light transmitter and the light receiver are located outside the scattering...
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6501383 |
Method and device for monitoring a flame
The method according to the invention of monitoring a flame uses the known principle that a direct current signal (I F ) of different magnitude is produced in dependence on the presence or...
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6476722 |
Thermographic system to check and prevent fires in a vehicle
The thermographic system to check and prevent fires in a vehicle including at least a plurality of sensors held up by an arch structure and apt to detect the temperature of as many points of the...
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6404342 |
Flame detector using filtering of ultraviolet radiation flicker
A flame detector for a burner system having a flame during combustion that emits UV radiation, has a low gain UV sensor, a capacitor, a band pass filter receiving the capacitor's signal, and a...
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6373393 |
Flame detection device and flame detection
A fire detection device comprises a detection element to convert the infrared ray energy into the electric signal, a first extracting unit to extract the signal of a first prescribed frequency...
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6362743 |
Smoke alarm with dual sensing technologies and dual power sources
A smoke alarm having both an ionization detector and a photoelectric detector coupled to each other to generate an alarm signal when either of the detectors senses a potential fire. The smoke...
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6356199 |
Diagnostic ionic flame monitor
An ionic flame monitor. The flame monitor has a flame rod that produces an ionization current when the flame rod is immersed in a flame and excited by a voltage. The ionization current has a DC...
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6329921 |
Flame detector units and flame management systems
A flame management system comprises two flame detector units which are arranged to view different regions of at least one flame and are connected to separate channels of a processor. Each detector...
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