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| Number | Title | Issue Date |
| 8111168 | Smoke detector with included flame barrier A smoke detector comprises a first housing to face an area in which to detect smoke, a second housing secured to the first housing, electronics to detect smoke within the area, and a flameproof barrier positioned between the first and second housings. ... | 02/07/2012 |
| 8106784 | Combination smoke and heat detector A combination smoke and heat detector which allows, in spite of a simple structure, light emitted from an indication lamp to be visually confirmed from a wide range of directions. The combination smoke and heat detector (100) includes a body base (10),... | 01/31/2012 |
| 8106785 | Smoke detector To enable an air velocity of sampling air to be precisely measured, a smoke detector (S) includes: a smoke detection part (22) connected to a sampling pipe (11); a fan (12) that sucks sampling air (SA) into the sampling pipe; and an air velocity... | 01/31/2012 |
| 8098166 | Variable air speed aspirating smoke detector An aspirated smoke detector includes a smoke sensor, an aspirator and variable speed control circuits. As the concentration of smoke increases, the speed control circuits can increase aspirator speed from a first, nominal value to a second, higher value. ... | 01/17/2012 |
| 8089366 | Smoke detector To enable an air velocity of sampling air to be precisely measured, a smoke detector (S) includes: a smoke detection part (22) connected to a sampling pipe (11); a fan (12) that sucks sampling air (SA) into the sampling pipe; and an air velocity... | 01/03/2012 |
| 8085157 | Smoke detectors A multi-frequency photoelectric smoke detector includes a multi-frequency, source and an multi-frequency sensing array. The array can be part of a solid state camera which can be used to sense scattered multi-frequency light. Multiple wavelength signals, red, blue g... | 12/27/2011 |
| 8077048 | Smoke monitor Systems and methods for a smoke monitor are described. In one aspect, a smoke monitor includes a detector to sense when a user lights a smoking device such as a cigarette, pipe, etc. In one implementation, for example, such detection is made by detecting the audible... | 12/13/2011 |
| 8068034 | Safety sensor device A safety sensor device for an appliance detects burning conditions and shuts off power to the appliance. The device includes a sensor unit positioned near an exhaust of the appliance, and a relay unit connected along a power supply path to the appliance. The relay a... | 11/29/2011 |
| 8035527 | Fire detection A fire detection system for monitoring a volume containing fluid, typically air, for the presence of smoke particles is disclosed. A conduit for receiving the fluid, and any smoke particles therein, and directing the fluid to a smoke detector has a plurality of inle... | 10/11/2011 |
| 8013751 | Fire alarm with a transmitter spaced from a receiver through a colored sheet The present invention relates to a fire alarm 1 that includes a base 1.5 and a fire alarm insert which can be connected to base 1.5. A covering cap 3 and a sheet 2, 2.1 located between the covering cap 3 and the fire alarm i... | 09/06/2011 |
| 8004416 | Smoke alarm system A smoke alarm system having a base and a body. The base is mounted onto and electrically connected to an unswitched electrical box. The body contains conventional smoke alarm circuitry. The base contains a threaded female socket similar to a standard light bulb sock... | 08/23/2011 |
| 7994928 | Multifunction smoke alarm unit Improvements in a smoke alarm are presented. The multifunction smoke alarm unit includes separate sensors within a single enclosure for detecting smoke and occupancy, sounding a distinctive audible alarm when combustion is detected or the presence of a person within... | 08/09/2011 |
| 7973669 | Apparatus and method for wireless location sensing A sensor assembly includes a sensor configured to detect at least one material or condition, such as a smoke detector, fire detector, or carbon monoxide detector. The sensor assembly also includes a base configured to be mounted on a structure, such as a wall or cei... | 07/05/2011 |
| 7948389 | Pivoting battery carrier and a life safety device incorporating the same An electronic device, for example a smoke alarm, that includes a battery carrier that includes a push to open and push to close apparatus for opening and closing the carrier. In one embodiment, the carrier is mounted so as to be pivotable between a closed position a... | 05/24/2011 |
| 7940190 | Smoke detector A self-monitoring smoke detector comprising a housing (11) defining an internal chamber (12). An optical transmitter (13) is mounted within the housing (11) so as to direct light into the optical chamber (12). An optical receiver (... | 05/10/2011 |
| 7928854 | Techniques for smoke detection Techniques for smoke detection are provided. In one aspect, an exemplary smoke detection device is provided. The smoke detection device comprises an infrared beam transmitting unit; an infrared beam receiving unit; and a control module associated with the infrared b... | 04/19/2011 |
| 7928853 | Alarm unit An alarm unit, for sounding an alarm on detection of a fire emergency condition, which comprises a smoke detector, an alarm indicator and a heat detector wherein the smoke detector is capable of receiving power from a first power source and the heat detector is capa... | 04/19/2011 |
| 7898427 | Automatic oven shutoff fire prevention A smoke/heat detector and alarm system for shutting off power to a heat generating appliance (gas or electric powered) when smoke/heat is detected. The system includes a smoke/heat detector that responds according to a selected one of four selectable modes. The syst... | 03/01/2011 |
| 7889088 | Extended smoke alarm system An extended smoke alarm system and related methods are disclosed. In particular, embodiments of an extended smoke alarm system having wireless-signal-send-and-receive functionalities wherein the system includes one or more flashlights having at least wireless-signal... | 02/15/2011 |
| 7872584 | Analyzing smoke or other emissions with pattern recognition A system and method for analyzing smoke or other emissions are provided. An image is analyzed and processed to identify characteristics associated with the emission, such as color, densities, dispersion rates, fuel mixture characteristics, and other suitable analysi... | 01/18/2011 |
| 7872585 | Intruder deterrent system A system and a method for operating an intruder deterrent system by which a smoke screen is generated in response to an intruder being detected, a smoke screen generator operatively linked to the intruder detecting. To achieve an intruder deterrent system that can o... | 01/18/2011 |
| 7859419 | Smoke detecting method and device A smoke detecting method and device are provided. The smoke detecting method and device capture a plurality of images; determine one of the plurality of images as an analyzable image when the one of the plurality of images is identified to have a moving object; anal... | 12/28/2010 |
| 7852227 | Synthetic smoke generator and smoke detector tester using such a generator The present invention relates to an electrically operated device for generating synthetic smoke and also to a hazard detector tester utilizing such a device. The device comprises a collapsible container provided with vaporisable liquid and a tube, one end of which i... | 12/14/2010 |
| 7808393 | Smoke detector and sampling air supplying method for smoke detector In order to enable supply of a sampling air to a smoke detection portion at a stable flow velocity, the present invention provides a smoke detector including: a black box (21) including a smoke detection portion (25) having an inflow port and an outflo... | 10/05/2010 |
| 7796047 | Apparatus for fire detection in an electrical equipment rack An apparatus for fire detection in an electrical equipment rack includes a suction pipe system which communicates with the rack monitored through at least one suction opening and through which a representative air sample is drawn from the rack, an early fire detecti... | 09/14/2010 |
| 7786879 | Self-powered rechargeable smoke/carbon monoxide detector A rechargeable smoke and carbon monoxide detector is provided. The base of the detector has a battery formed therein that is charged when connected to a power source, such as a 110-volt light bulb socket. The detector is further configured to receive a 110-volt ligh... | 08/31/2010 |
| 7746238 | Smoke warning system In a smoke warning system ambient conditions are included in the evaluation of the smoke warning transmitter statuses, or the internal signal evaluation in the smoke warning transmitter is influenced. In this procedure the alarm threshold of the system is raised und... | 06/29/2010 |
| 7733234 | Microprocessor operated, portable early fire detection and prevention device The present invention is a battery powered, portable microprocessor based early warning alarming smoke detector. It provides the user two different time limited unattended alarms, as well an alarm for a tipped smoke detector; an alarm for a bumped smoke detector; an... | 06/08/2010 |
| 7733235 | Wireless smoke and fire detection system and method A smoke detector system employs smoke detectors that enter a “lockout period” following receipt of an alarm signal, during which time a detector will not receive a RF alarm signal and will not transmit a RF alarm signal after a certain period of time if that det... | 06/08/2010 |
| 7724151 | Smoke alarm system Smoke alarm systems, in particular for an aircraft, advantageously provide a high degree of safety so as to prevent false alarms. According to an embodiment described in this application a smoke alarm system for an aircraft is stated, comprising a camera module, a s... | 05/25/2010 |
| 7719433 | Extended smoke alarm system An extended smoke alarm system and related methods are disclosed. In particular, embodiments of an extended smoke alarm system having wireless-signal-send-and-receive functionalities wherein the system includes one or more flashlights having at least wireless-signal... | 05/18/2010 |
| 7714733 | Emergency warning system integrated with building hazard alarm notification system A hazard alarm system includes a hazard alarm notification appliance, and a warning detector which detects a warning alert message from an external source (such as a governmental organization). The hazard alarm system processes the warning alert message and issues a... | 05/11/2010 |
| 7714734 | Extended smoke alarm system An extended smoke alarm system and related methods are disclosed. In particular, embodiments of an extended smoke alarm system having wireless-signal-send-and-receive functionalities wherein the system includes one or more flashlights having at least wireless-signal... | 05/11/2010 |
| 7701355 | Extended smoke alarm system An extended smoke alarm system and related methods are disclosed. In particular, embodiments of an extended smoke alarm system having wireless-signal-send-and-receive functionalities wherein the system includes one or more flashlights having at least wireless-signal... | 04/20/2010 |
| 7696891 | System and method for suppressing the spread of fire and various contaminants Systems and methods for suppressing the spread of fire, fire-related toxins, and other biological and chemical hazards are disclosed. One described system includes a thermostat incorporating an HVAC interface in communication with a residential HVAC system, a receiv... | 04/13/2010 |
| 7683793 | Time-dependent classification and signaling of evacuation route safety An adaptive evacuation system and method for providing a safety route to evacuees. Active smoke and heat detector information can be obtained from a fire panel. Routes and exits in proximity to the active detectors are assumed to be unsafe and closed for use in evac... | 03/23/2010 |
| 7679521 | Christmas tree ornament with integrated smoke detector, heat detector, motion sensor, and fire extinguishing means The invention is a Christmas tree ornament that incorporates a smoke or fire detector, a burglar alarm operated by a motion sensor, and connects to an integrated fire extinguishing system. The Christmas tree ornament resembles a star, but can also be designed to ref... | 03/16/2010 |
| 7656301 | Smoke detection for hardware cabinets An air-cooled electronic component cabinet has an air sampling conduit to enable smoke detection from air from different areas within the cabinet. An air sampling conduit has one or more orifices to sample air from the different areas within the cabinet, such as adj... | 02/02/2010 |
| 7656302 | Sensing chamber with enhanced ambient atmospheric flow A sensing chamber promotes an inflow of ambient atmosphere by establishing an internal temperature gradiant. A closed loop control system can be provided to maintain the gradiant. ... | 02/02/2010 |
| 7642924 | Alarm with CO and smoke sensors A life safety device includes a smoke sensor and a carbon monoxide (CO) sensor. Smoke sensitivity of the device is adaptively adjusted based upon the smoke sensor signal and the CO sensor signal. ... | 01/05/2010 |
