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WO/2012/012083 |
A system for confirming the detection of a fire using a plurality of radiation or flame sensors each equipped with a radiation detector and an optical filter having a spectral transmission characteristic in which at least one optical fil...
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WO/2012/007434 |
The invention relates to a method and a corresponding aspirating smoke detector (ASD) for detecting blockages and interruptions in a pipe system (1). Air is aspirated, by a ventilator (3) and via the pipe system (1), from rooms and devic...
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WO/2011/161792 |
[Problem] To provide a simple, convenient, and low-cost fire extinguishing device that is installed in small spaces such as within a casing, etc., to detect and extinguish fires. [Solution] A fire prevention device (10) is provided with ...
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WO/2011/146008 |
A fire monitoring system comprising a first fire detector comprising a first passive sensor and first electronic circuitry, wherein the first passive sensor is arranged in a first fire cell and the first electronic circuitry is arranged ...
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WO/2011/141730 |
A fire detector includes a sensor (4) for, in use, detecting electromagnetic radiation emitted by a flame and generating an electronic signal corresponding to the detected electromagnetic radiation. The detector further includes a proces...
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WO/2011/142768 |
The present invention is directed to an inspection system that has a radiation source, a detector array, an inspection region, and a processing unit, where the processing unit a) obtains a radiographic image, b) segments the radiographic...
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WO/2011/141361 |
The invention relates to an automatic fire extinguishing system, comprising a pressure vessel (2) for storing a fire extinguishing medium, a sensor line (5) connected to the pressure vessel (2) for automatically detecting a fire for init...
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WO/2011/143413 |
A fire alarm system (4) for a structure, has a two-wire interconnected transceiver (4J) that uses power line carrier technology to inject a radio signal onto two power conductors, (6B) & (6W). The transceiver (4J) includes a transmitter ...
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WO/2011/131938 |
An alarm for detecting smoke comprises a housing (1) having vents (9) for allowing ingress of smoke into the housing. A sensor chamber (22,26) is disposed within the housing and has vents (24a,24)b for allowing ingress of smoke into the ...
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WO/2011/131937 |
An optical smoke detector (10) is provided that comprises a light source (154), a light receiver (172), and a control circuit (130) for controlling operation of the detector. The control circuit (130) is configured to apply an unregulate...
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WO/2011/131938 |
An alarm for detecting smoke comprises a housing (1) having vents (9) for allowing ingress of smoke into the housing. A sensor chamber (22,26) is disposed within the housing and has vents (24a,24)b for allowing ingress of smoke into the ...
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WO/2011/131935 |
An optical smoke detector (110) is provided that comprises a housing (112) having a base (114) for attaching the detector to a surface and a cover (116) having a side wall (124) and a bottom wall (126) defining the interior of said cover...
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WO/2011/128100 |
The invention relates to a fire detector (20 to 25) for monitoring a room and for triggering a fire alarm, having a smoke sensor (2) and a temperature sensor (3), wherein a smoke density can be measured by the smoke sensor (2) and a temp...
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WO/2011/126631 |
Technologies are described herein for detecting and recovering from a fire event within an aircraft. The technologies receive sensor data from a number of sensors associated with an aircraft. A determination is made as to whether the sen...
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WO/2011/124224 |
A system for turning off a power supply in a predetermined part of an electrical system. The system comprises: a detector for determining a fire and/or the presence of an ignitable gas and/or the presence of an air-born ignitable materia...
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WO/2011/112698 |
A behind the detector sounder has a base plate and walls which define mechanical horns having throats which open into a space at the centre of the base plate. The mouths of the mechanical horns are at the outer periphery of the base plat...
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WO/2011/112698 |
A behind the detector sounder has a base plate and walls which define mechanical horns having throats which open into a space at the centre of the base plate. The mouths of the mechanical horns are at the outer periphery of the base plat...
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WO/2011/106841 |
A sensing system and method for detecting particles in an air volume includes a main airflow path (A, F) including an inlet from the air volume. Also included is a collection site (E) within the main airflow path. The collection site is ...
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WO/2011/106840 |
A particle separation system for separating particles (B, F) in an airflow (A) upstream of a detection chamber in an aspirating smoke detector is disclosed. The particle separation system includes an airflow path (D) for directing the ai...
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WO/2011/108441 |
Disclosed is a piezoelectric speaker, wherein sufficient sound pressure can be obtained throughout a broad range of frequency bands with a simple manufacturing process. The piezoelectric speaker (1) is provided with a piezoelectric vibra...
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WO/2011/109622 |
A detector is described. The detector includes one or more environmental sensors that measures a predetermined environmental parameter, a processor that compares the measured parameter with a plurality of threshold values and detects tha...
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WO/2011/098773 |
A detector includes a component having a surface. The surface includes, or is at least partially coated with, a contaminant-resistant or self-cleaning material. This allows the detector to remain clean without manual cleaning.
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WO/2011/089879 |
Disclosed is a detector having a smoke density detection vs. time characteristic and a gas concentration detection vs. time characteristic which are displaced from each other, thereby having the advantages of both early detection of a fi...
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WO/2011/086599 |
Provided is a testing instrument, wherein the efforts necessary accompanying activation tests by workers will be reduced, when conducting activation tests for thermal-type detectors and smoke detectors. The testing instrument for testing...
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WO/2011/074312 |
Fire in an automated warehouse is reliably extinguished using a limited amount of a fire-extinguishing agent. An automated warehouse system (2) comprises: a rack (7) which is provided with spaces (8); and a conveyance device (4) which tr...
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WO/2011/071942 |
The importance of fire safety equipment and systems is great as they protect buildings and the people within those buildings from the danger of fire. Regular testing of these systems is highly important to ensure their ability to provide...
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WO/2011/071011 |
Disclosed is an infrared flame detector with infrared light receiving elements housed in a package. An infrared light receiving element has a set of two pyroelectric elements which are arranged in a row on a pyroelectric element forming ...
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WO/2011/071942 |
The importance of fire safety equipment and systems is great as they protect buildings and the people within those buildings from the danger of fire. Regular testing of these systems is highly important to ensure their ability to provide...
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WO/2011/068273 |
The present invention relates to a gas safety management system using wireless communication in a building, and particularly, to a gas safety management system capable of preventing accidents caused by a gas leak or reducing the scope of...
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WO/2011/067024 |
The invention relates to a fire alarm and/or warning device (1) for mounting on a mounting surface, in particular to a ceiling surface (2) having a socket section (3) which is designed to connect to the mounting surface (2) and having a ...
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WO/2011/057465 |
A fire and flammable gas system comprises a signal detector installed in a detection area for detecting flue gas, temperature or flammable gas signal; an alarm controller for real time collecting flue gas, temperature or flammable gas si...
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WO/2011/058490 |
This invention relates to a lighting device (1) comprising a light source (3), a light coder, a light detector (7), which is arranged to detect coded light, and an alarm generator (9). The light coder is connected with the light source (...
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WO/2011/054662 |
The invention relates to a protective unit (100) for an electrical device (1), comprising a sensor for detecting a thermal overload. According to the invention, the sensor is an optical sensor (22, 25) responding to the generation of light.
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WO/2011/055705 |
A relay method for an alarm system is provided with a third step wherein, when an alarm of an interlock source receives an acknowledgment signal, the reception intensity of the acknowledgment signal is measured, and when there are one or...
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WO/2011/050217 |
Various inventive features are disclosed for efficiently generating regulation- compliant audible alerts, including but not limited to 520 Hz square wave alert/alarm signals, using an audio speaker. One such feature involves the use of a...
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WO/2011/049624 |
A system and method for providing greatly improved linear heat detection using fiber optic distributed temperature systems (DTS). The invention makes use of correction algorithms based on proportional-integral-derivative notions that ant...
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WO/2011/049624 |
A system and method for providing greatly improved linear heat detection using fiber optic distributed temperature systems (DTS). The invention makes use of correction algorithms based on proportional-integral-derivative notions that ant...
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WO/2011/050269 |
A smoke detector device featuring a base for mounting to a ceiling, wall, or fixture. The base has three grooves disposed in its outer surface. Rings can wrap around each groove on the base. Each ring has at least two modules with an inn...
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WO/2011/042020 |
Smoke alarm comprising at least one internal chamber, which chamber has at least one opening towards the surroundings, such that air may pass through the chamber, and where means are provided for emitting light and means for detecting sa...
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WO/2011/037766 |
Systems, methods, and computer program products are provided for tracking one or more items. The method may include periodically detecting, by a sensor device, sensor information of the one or more items, and periodically transmitting, b...
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WO/2011/034247 |
A fire sensing system with wireless communication and position tracking functions is disclosed, by which a fire, a gas leak and the like can be detected using wireless communications, which can help quick view security and quick evacuati...
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WO/2011/025460 |
A method and system for event detection. The system comprising: a plurality of sensors; and respective classifier units coupled to the sensors for processing respective sensor signals from the sensors for the event detection; wherein at ...
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WO/2011/021713 |
Disclosed is an implement for mounting an article, with which it is possible for anyone to easily mount an article on an installation surface. An implement (10) for mounting an article is provided with: a rear surface (12) serving as one...
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WO/2011/019525 |
A system is described for relative positioning of access points in a real time locating system. The system may include a memory, interface, and processor. The memory may store layout information for a work area which includes architectur...
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WO/2011/016745 |
Two-conductor and multi-conductor lines are used in the method. In a two-conductor electrical line for determining addresses of activated detectors and sensors, as well as for switching on a group of actuating devices, a rated current is...
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WO/2011/007220 |
A fire alarm, provided with a case having an air-current induction inlet (11a) and a detector element (12a) disposed in close proximity to the air-current induction inlet (11a) within the case, can prevent, in the initial stages of fire ...
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WO/2011/006478 |
The invention relates to an electrical circuit for monitoring temperatures, in particular of candles, comprising an optical and/or an acoustic warning device and/or a transmitting device, which is/are operated on a voltage source, wherei...
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WO/2011/003145 |
A particle detector (10) including a chamber (12), a first aspirator (14), a sensor(s) (28), a controller (20) and clean air supply (18). The controller, when in a detecting mode, receives an indicative signal from the sensor and applies...
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WO/2011/004326 |
An fire monitoring apparatus for large storage tanks of combustible fluids permits wireless communication between a Linear Heat Detector system and a Fire Control system. The system comprises a Communication Unit and a Remote Unit. The C...
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WO/2011/004326 |
An fire monitoring apparatus for large storage tanks of combustible fluids permits wireless communication between a Linear Heat Detector system and a Fire Control system. The system comprises a Communication Unit and a Remote Unit. The C...
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