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| Number | Title | Issue Date |
| 7868772 | Flame detecting method and device A flame detecting method and device are provided to improve the accuracy of flame detection and reduce the possibilities of the false fire alarm. The flame detecting method and device capture a plurality of images of a monitored area; determines whether a moving are... | 01/11/2011 |
| 7786877 | Multi-wavelength video image fire detecting system To eliminate the drawbacks of false alarm problems due to mimic flame features of sunlight or moonlight reflecting on wave or mimic flame features of fabrics, animals or stage flames and alarm failures of methanol or ethanol burning flames or flames under a high ill... | 08/31/2010 |
| 7728736 | Combustion instability detection Combustion instability in combustion appliances may be recognized before excessive carbon monoxide may be produced. In some instances, combustion instability may be manifested in flame oscillation, or rather, in oscillations in flame intensity as measured, for examp... | 06/01/2010 |
| 7710280 | Flame detection device and method of detecting flame A device and method for detecting flame using real-time continuous imaging and pattern recognition of infrared (IR) images of a flame region. Infrared emissions radiated from the region pass through a wide field-of-view lens and are detected by a Charged-Coupled Dev... | 05/04/2010 |
| 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 that collects energy from a wide field of view and concentrates the ... | 06/02/2009 |
| 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 generating for each said image an array of picture elements (pixels), a m... | 11/25/2008 |
| 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 the flame sensor. The period for the charging or discharging phase of t... | 06/03/2008 |
| 7373225 | Method and system for optimizing vehicle diagnostic trees using similar templates A method and system for optimizing vehicle diagnostic trees using similar templates is provided. Diagnostic trees may be modified to include diagnostic code tips or further suggestions or instructions indicating what tool to use or how to use the tool. The diagnosti... | 05/13/2008 |
| 7373226 | System and method for optimizing vehicle diagnostic tress using similar templates A system and method for evaluating and applying edits from one diagnostic tree to another matching or similar diagnostic tree is described. The system includes a diagnostic tree editor, a library, and a comparison engine. These elements work together to convert an O... | 05/13/2008 |
| 7368707 | Radiation detector including means for indicating satisfactory operation A radiation detector, comprising a sensitive volume filled with a counter gas; an anode and a cathode each in communication with the counter gas; a voltage supply for maintaining a potential difference between the anode and the cathode, said potential difference bei... | 05/06/2008 |
| 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 well as a shutter disk, which seals the housing. To prevent the spread... | 04/29/2008 |
| 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 image obtained by the infrared camera pixel-wise using location data of... | 02/26/2008 |
| 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 inside a chamber. The device will monitor, through an optical fluid se... | 02/05/2008 |
| 7327247 | Fire detection system and method using multiple sensors Outputs from a plurality of different ambient condition sensors are cross correlated so as to adjust a threshold value for a different, primary, sensor. Cross-correlation processing can be carried out locally in a detector or remotely. To minimize false alarming, th... | 02/05/2008 |
| 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 in the burner. A second sensor generates a second signal produced by t... | 02/05/2008 |
| 7319577 | Safety shut off for water heaters A water heater includes a gas valve and a solenoid to operate the gas valve. A thermocouple of the water heater is heated by a pilot light to provide a current source to maintain the gas valve in an open position. A sensor activated switch switches current from a se... | 01/15/2008 |
| 7310109 | Protective device for safeguarding a hazardous area and method of checking the functional reliability of such a device The present invention discloses a protective device for safeguarding a hazardous area and a method for checking the functional reliability of such a device. The protective device has an image recording unit with an image sensor which includes a large number of light... | 12/18/2007 |
| 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 detect light emitted by the monitored flame. The contiguous spectral ran... | 10/30/2007 |
| 7286704 | Imaging fire detector An imaging fire detector is used to detect a fire from a recorded image sequence. Either a video camera or an infrared camera is used as an imaging device. Characterizing parameters of a fire are either analyzed individually or in combination. In order to detect cha... | 10/23/2007 |
| 7280891 | Signal processing technique for improved flame scanner discrimination A signal processing technique that allows the flame signal from a first source of flame and the flame signal from a second source of flame to be discriminated from each other when only both the first and second flame signals are viewed by the same flame scanner. The... | 10/09/2007 |
| 7256401 | System and method for fire detection A system and method for detecting radiation indicative of fire, such as forest fire. In one embodiment, a threshold energy level is determined based on ambient sensor conditions. A sensor unit may be setup to scan a predetermined area for electromagnetic radiation. ... | 08/14/2007 |
| 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 frames, and detecting the presence of fire in response to the energy in... | 08/14/2007 |
| 7240673 | Flange for flame observation A flange (1) for optical flame observation in a gas turbine includes at least one bore for optical observation, in which bore there is arranged at least one pane (9, 10) for separating the flame-side space, which is in substantially direct communicatio... | 07/10/2007 |
| 7229278 | Flame quality and fuel consumption monitoring methods for operating a primary burner A control system for controlling an oil or gas burner heating system comprises an ultraviolet flame sensor. Flame is detected and preanalyzed by the control for flame quality factors reflecting the degree of drift from optimal operating conditions including the aver... | 06/12/2007 |
| 7209815 | Test procedures using pictures A method for test procedures using pictures for a vehicle diagnostic system that includes providing text items, examining text items, accessing a database of picture items corresponding to text items, correlating picture items with at least a portion of the text ite... | 04/24/2007 |
| 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 responsive to flame as well as non-flame emissions. An Artificial Neural N... | 04/10/2007 |
| 7183558 | Distributed UV sensor system and method A radiometer that incorporates multiple UV bandwidth sensors, defined in nanometers, and includes connectors for inserting a cable that is used to connect to another sensor, or to a data collection module (DCM) in a multidrop, or daisy-chain arrangement. Each sensor... | 02/27/2007 |
| 7184862 | Turret targeting system and method for a fire fighting vehicle A turret control system and method for a fire fighting vehicle is disclosed. The turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store modu... | 02/27/2007 |
| 7173221 | Excessive temperature warning device using warning symbol outside fiber optic cable or light guide A device warns that a surface is temperature excessive. A light guide receiving light from a light source sufficiently distant from the surface to avoid becoming dangerously hot or cold is oriented so that the light guide is in the path of the light beam and transmi... | 02/06/2007 |
| 7165000 | Method and apparatus for calibrating data-dependent noise prediction Disclosed herein is an apparatus and method of calibrating the parameters of a Viterbi detector 138 in which each branch metric is calculated based on noise statistics that depend on the signal hypothesis corresponding to the branch. An offline algorithm for ... | 01/16/2007 |
| 7162332 | Turret deployment system and method for a fire fighting vehicle A turret control system and method for a fire fighting vehicle is disclosed. The turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store modu... | 01/09/2007 |
| 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 camera in a location where the camera has both a direct view of a first po... | 12/26/2006 |
| 7127331 | Turret operator interface system and method for a fire fighting vehicle A turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store module. The preferred turret control system also provides improved turret control f... | 10/24/2006 |
| 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, and third signals. A processor generates an alarm when the sensors ind... | 10/10/2006 |
| 7098796 | Method and system for detecting fire in a predetermined area A method and system for detecting early fires in a predetermined area includes capturing a plurality of images of the predetermined area during an interval for generating a plurality of difference frames, and detecting a number of pixels that have fire characteristi... | 08/29/2006 |
| 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 and in which a subtraction of the signals of the microphones takes pla... | 08/15/2006 |
| 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 signal at a frequency related to the intensity of radiation from the flame... | 08/08/2006 |
| 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 an intruder trying to demolish the fence. A fiber optic cable used a... | 06/27/2006 |
| 7061607 | Engine spectrometer probe and method of use The engine spectrometer probe and method of using the same of the present invention provides a simple engine spectrometer probe which is both lightweight and rugged, allowing an exhaust plume monitoring system to be attached to a vehicle, such as the space shuttle. ... | 06/13/2006 |
| 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 reservoirs when interconnection piping is damaged, and shares retardant t... | 05/23/2006 |
