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WO/2004/001694A1 |
The fire detector comprises a detector unit with a sensor arrangement (2), an analytical circuit and a housing (3) enclosing the sensor arrangement (2) with openings for the introduction of air and optionally smoke to the sensor arrangem...
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WO/2004/001692A2 |
An alarm for detecting radiation and/or pollutants such as smoke, carbon monoxide or the like has a housing (500), an alarm circuit (400) including a detector (DET1) for detecting said radiation and/or pollutants, first electrical connec...
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WO/2004/000581A1 |
A tire monitoring device includes a sensor (20) adapted to detect airborne molecules generated when tire components are overheated. The sensor may be positioned in a reader (10) that is proximate the exterior of the tire. The sensor may ...
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WO/2004/001693A1 |
The smoke detector comprises an optical measuring chamber, comprising a sensor arrangement (2) with at least one light source (12, 12'), a light sensor (11) and a labyrinth system (7) with diaphragms (16) arranged at the periphery of the...
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WO/2003/105961A2 |
Systems and methods for suppressing the spread of fire, fire-related toxins, and other biological and chemical hazards are disclosed. In embodiments of the present invention a controller (508) shuts off the flow of electrical current to ...
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WO/2003/107357A1 |
Radioactive sources are made from a foil (10) containing radioactive material, by cutting out hexagonal foil elements (12) from the foil, leaving no uncut portions of foil between adjacent hexagonal foil elements. This significantly redu...
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WO/2003/105480A1 |
Detecting a fire (174), in an aircraft cargo bay (102, 103 and 104), includes receiving a plurality of frames of video, determining an energy indicator for each of a subset of the plurality of frames, and detecting the presence of fire i...
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WO/2003/102889A1 |
Disclosed is a fire detector comprising at least one sensor detecting a fire parameter, the signals of which are supplied to evaluation electronics (6). The signals of the at least one sensor (3, 4, 5) are made available for at least one...
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WO/2003/100397A1 |
A smoke detector (1) has a spherical chamber (2) including a plurality of holes (15, 17) for allowing smoke and other particles to enter the chamber. The majority of the internal surface (3) of the chamber (2) is covered with a high refl...
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WO/2003/094125A1 |
A method and apparatus for activating a fire-alarm pull station (Fig. 1). The pull stations includes a non-contact switch (28) located within a housing (22), a movable actuation device (24) linked to the non-contact switch (28) wherein t...
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WO/2003/088167A2 |
A mounting kit and smoke detecting apparatus (30) releasably mountable to a support surface (32), including a smoke detector weighing W, a support plate (36) securable to the support surface and releasably securable to the smoke detector...
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WO/2003/069571A1 |
A detector (1) having a sensor (15), an aspiration system (10), and a power source, whereby the aspiration system (10) includes two or more aspirators (16a, 16b). A method of operating the detector (1) is also disclosed, as is a trap (70...
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WO/2003/058568A2 |
An automatic testable obscuration detector (10) incorporates one of an electrically controllable filter (16) or a mechanically selected filter (16). Filtered outputs can be compared to expected outputs by control circuitry (18) to automa...
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WO/2003/056325A1 |
The invention relates to a method for measuring oxygen content in a closed target space (10), particularly for monitoring the level of inertia of an inert gas device used for preventing and/or extinguishing fires (15), and a device for c...
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WO/2003/041229A1 |
An anti-theft device for hindering or substantially preventing the removal of an electrical device from a light fitting comprises a collar arranged to locate around at least a portion of the light fitting and a portion of the electrical ...
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WO/2003/034011A2 |
This invention provides a new safety device for monitoring the cooking process of conventional range-top by adding a temperature measurement unit (10) and algorithm to detect abnormal cooking scenarios. The safety device includes an acti...
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WO/2003/031924A1 |
A radiation sensitive sensor (1) which detects electromagnetic radiation within a narrow band of the electromagnetic spectrum using a single, fixed infrared detector (12) to cover a 360° area in a plurality of segmented sectors obtained...
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WO/2003/027980A1 |
A fire detection system for an enclosed area comprises: at least one infrared (IR) imager for generating infrared images of at least a portion of the enclosed area, for determining from the images that a fire is perceived present in the ...
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WO/2003/027979A1 |
A smoke detector is shown in which blue light is directed through a scattering volume (9) from a radiation emitter (3) and infra-red radiation is also directed through the scattering volume (9) from an infra-red source (3A). Radiation fo...
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WO/2003/027973A1 |
An emergency alarm system (10) is provided having a manually operated pullstation (12) that activates the system (10). The emergency alarm system (10) has a camera (16) that provides image data of the area surrounding the pull-station (1...
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WO2002095705B1 |
The invention relates to a self-aspirating fire detection system and to a method for operating the same, by means of an aspirating device (1, 3, 10) for controllable aspiration of ambient air from a supervised area. Said fire detection s...
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WO/2003/019491A1 |
An accident warning device (1) stored in a case (10) installable on a building or equipment, comprising at least one type of accident sensing means (20) outputting detection signals when sensing a predetermined type of accident is detect...
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WO/2003/019492A1 |
A fire detection system (10) for a building is disclosed which comprises a fire panel (12), a loop (16), and a plurality of fire detectors (14) on the loop. Each fire detector includes a transponder which enables the fire detector to com...
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WO/2003/007262A1 |
A photoelectric smoke detector (10) includes a photoelectric chamber (30) having a housing fabricated from an electrically conductive material.
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WO/2003/003324A1 |
An electrical fire indication detector for detecting a pre-fire condition in the electrical distribution connections caused by arcing as well as overheating of the connections. The detector (10) includes a plug (12) capable of being plug...
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WO/2003/001187A1 |
The invention relates to a video smoke detection system that comprises a camera (1) for recording video images and a signal processing stage (2) in which the brightness of the individual pixels or groups of pixels of the video images is ...
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WO/2003/001108A1 |
The invention relates to a multifunction passage-way indicating lamp consisting of a plural of sockets, a upper cover, a lower cover and a sensor, and there is a appropriate distance between adjacent sockets. The socket consist of a cond...
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WO/2002/097757A1 |
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 a single-wire or multi-wire anode (14; 22), respectively, wh...
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WO/2002/095703A2 |
The invention relates to a device for detecting and locating fire sources or gas impurities in one or several monitoring chambers. Said device comprises a (main) detector for detecting a fire characteristic value or a gas impurity, into ...
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WO/2002/093525A1 |
An apparatus and a method for performing first and second imaging processes contemporaneously, in particular where one of the processes is detecting fires based on images of the flames. The apparatus includes an image sensor for producin...
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WO/2002/089082A1 |
A compact particle sensor (20) for detecting suspended particles includes a housing (24), a light source (32, 38), a light receiver (28, 29) and a plurality of optical elements (402, 404, 406, 408, 410). The housing provides a test chamb...
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WO/2002/088682A1 |
A method for indicating a condition of oxygen depletion in a space, is disclosed. The method of measuring oxygen depletion is employed using the rate of change of carbon dioxide as a surrogate indicator of the amount of oxygen being depl...
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WO/2002/073558A2 |
A smoke detector unit (20) comprising a housing containing a smoke detector (24) and at least two component mounting boards, such as printed circuit boards, in a stacked arrangement, the housing having at least one air gap (34), wherein ...
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WO/2002/073947A2 |
The invention relates to a device comprising a wireless mobile robot which is radio linked to a modem-equipped personal computer; an Internet server that can be used to acquire video and audio sequences; and a mobile phone-type terminal,...
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WO/2002/071357A1 |
A smoke detector monitors one or more internal conditions(22, 20, 40), such as battery output voltage in detector that include batteries. Both audible (30, 32B) and visible indicators (26) are energized to indicate the presence of the mo...
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WO/2002/071361A1 |
The modification of the smoke detector is based on the fact that an infrared sensor and a receiver for the signals commonly sent by household remote control units and in particular those used for consumer electronics are built into the d...
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WO/2002/069292A1 |
The invention for automatic detection of fires, based flame and/or smoke recognition by analysing a sequence of images. The analysis is based on several image processing algorithms. One algorithm consists in comparing the frequency conte...
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WO/2002/067217A1 |
The invention relates to a method and device for monitoring underground installations, which are flown through, such as tunnels, passages, canals or the like, by detecting and evaluating, in an at least section-by-section manner, changin...
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WO/2002/061702A1 |
The essence of the invention lies in the following: current concentrations in the air of at least two gaseous components which are given off in a smouldering fire of inflammable materials are measured for early detection of a fire with t...
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WO/2002/058025A1 |
A device containing an optical window, which prior to activation is covered with a cover having a reflective surface. Behind the window within the device is a light emitter, preferably infra-red light, and preferably an infra-red phototr...
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WO/2002/054364A2 |
The invention relates to a video smoke detection system comprising at least one device for recording video images (A) and one signal processing step, wherein the illuminosity of a single pixel or a group of pixels in the video images (A)...
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WO/2002/046778A1 |
The circuit monitoring device is disclosed. The device is for monitoring circuit resistance. At configurable thresholds digital flags are triggered, the device can be used as a Security / Building management system. The device uses open ...
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WO/2002/031790A1 |
A computer network backbone system that provides integrated monitoring and damage assessment functionality. The system provides equipment and area monitoring functions for the purpose of detecting actual hazards and conditions that can l...
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WO/2002/015415A2 |
Presented is a communications protocol for use by interconnected hazardous condition detectors, such as smoke (12, 14) and carbon monoxide (16, 18) detectors for use in dwellings and other structures. This communications protocol provide...
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WO/2002/015137A2 |
The microcontroller (12) of detector (10) controls the operation mode of the detector by monitoring a switch (18), the inputs from a smoke chamber (14) and a carbon monoxide detector circuit (16), and the current operating mode of the de...
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WO/2002/009057A1 |
A device is described for warning of abnormal operating conditions such as development of gases, such as smoke fumes from smouldering in equipment such as electrical equipment and the like, or warning of gas leaks from containers, pipeli...
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WO/2002/001530A2 |
A flexible smoke generator comprising smoke composition particles embedded in an elastomer, preferably a silicone rubber compound that is molded or extruded into a relatively thin layer. The smoke generator may further comprise flexible ...
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WO/2001/097188A1 |
A smoke detector and signal device is adapted for attachment to an interior door knob or to the window of a room. The device includes a housing containing an interconnected array of components including a smoke responsive transducer, an ...
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WO/2001/097193A2 |
The present invention provides a method and apparatus for detecting fire in a monitored area. In a preferred embodiment, this method is seen to comprise the steps of: (1) capturing video images of the monitored area in the form of two-di...
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WO2001073716A9 |
The present invention relates to a system and to an arrangement for evaluating in a defined space or area a delimited area (7) in which there is a degree of urgency greater than the degree of urgency in respect of the remainder of said s...
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