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7605687 |
Ambient condition detector with variable pitch alarm
An ambient condition detector outputs an alarm comprising a tonal pattern comprising at least two distinctly different pitch tones in one embodiment of the invention. Another embodiment comprises a...
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7604478 |
Vapor resistant fuel burning appliance
A method and apparatus for controlling a fuel-fired appliance is provided. The appliance enters a wait state in which burner operation ceases if a sensor indicates the presence of flammable vapors...
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7592923 |
Smoke detection and laser escape indication system utilizing a control master with base and satellite stations
A smoke detection and escape indication system includes a master controller in communication a base unit and a satellite unit. The base unit and the satellite unit are each in wireless...
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7579956 |
System and method for controlling ignition sources and ventilating systems during high carbon monoxide conditions
Upon detection of a high carbon monoxide condition, an intelligent thermostat regulates operation of appliances that have sources of combustion which could be the source of or may exacerbate the...
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7576660 |
Fuel retention monitoring system for a pressurized hydrogen storage tank on a vehicle and method of use
The invention relates to a fuel retention monitoring system for a pressurized hydrogen storage tank on a vehicle. The vehicle includes a hydrogen dispensing system having a plurality of conduits...
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7576659 |
Smoke detection and laser escape indication system utilizing base and satellite
A smoke detector system having a base unit and multiple satellite units is provided. The base unit detects various hazards, i.e., smoke or carbon monoxide, and broadcasts a radio frequency signal...
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7573392 |
Backdraft detector
A backdraft detector incorporates at least one oxygen sensor in combination with a flow sensor. Both sensors are coupled to control circuitry which evaluates sensed oxygen levels of a flowing...
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7570174 |
Real time alarm classification and method of use
A real time alarm classification system and method of use and, more particularly, to a residual gas analyzer configured to identify specific root causes of an abnormal condition such as, for...
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7567174 |
Combination alarm device with enhanced wireless notification and position location features
A device and method for determining and automatically transmitting a geographic location of a wireless alarm device during a potential emergency utilizing enhanced wireless communication and...
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7528732 |
Fire alarm device and method
A fire alarm device and method capable of informing people with visual and hearing difficulties of occurrence of fire. A fire detection means ( 1 ) detecting the occurrence of fire is connected to...
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7522040 |
Remotely communicating, battery-powered nanostructure sensor devices
A portable sensor device incorporates a low-power, nanostructure sensor coupled to a wireless transmitter. The sensor uses a nanostructure conducting channel, such as a nanotube network, that is...
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7515058 |
Carbon monoxide detector and method of installation
A carbon monoxide detector and method for installing a carbon monoxide detector. The carbon monoxide detector is capable of being hardwired into an installed wall electrical outlet box without...
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7504959 |
Gas monitoring using electrochemical cell and method of operating
A method and apparatus for gas detection uses a sensor such as an electrochemical (EC) cell and includes a feedback control loop to control a pump to establish a first predetermined gas flow rate...
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7504958 |
System and method for detection and identification of airborne hazards
Various embodiments of a system for detecting airborne hazards in a gaseous environment are disclosed. An embodiment of the system includes a plurality of sets of one or more detectors, where the...
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7486173 |
System and method for setting parameters from control panel
Parameters defining operational characteristics of audible, visual or audible/visual alarm indicating output devices, can be transmitted to the respective devices from common output control...
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7484668 |
Building protection system and method
An improved building protection system in a building having an inlet air duct for bringing an atmospheric air steam into the building, a damper in such air duct operable to regulate atmospheric air...
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7482940 |
Alarm for detecting radiation and pollutants
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 (DET 1 ) for detecting said...
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7479893 |
Method and apparatus of generating a voice siren in a security system
A security device including a control panel for transmitting a pre-defined cadence pattern to a siren device. The siren device takes the pre-defined cadence pattern as an input and outputs an...
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7463160 |
Remote control of a hydrogen sulfide gas alarm system
A method allows an H2S alarm system installed at a remote wellsite to be monitored and configured from a distant location. Alert-signals from the alarm system to the distant location and...
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7463159 |
Fire detector
The fire detector comprises an insertable detector assembly which includes a sensor arrangement, an electronic evaluation system and a housing which surrounds the sensor arrangement and has...
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7458248 |
Method and apparatus to detect genuine or hoax contaminants
A system ( 100 ) and method for detecting contaminants in parcels or other mailings ( 110 ). The contaminants, either genuine or hoax, are detected using the system ( 100 ) that includes a jogger (...
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7456753 |
Internal pressure explosion-proof system
An internal pressure explosion-proof system is provided that is capable of detecting high-pressure abnormality of an internal pressure explosion-proof mechanism, urging a check of gas/air apparatus...
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7423544 |
Method of selecting operation in a line-powered module
A line-powered module that is selectively operable in one of a plurality of modes of operation based upon the value of a selection signal. The line-powered module includes a control unit that...
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7417553 |
Surface mount or low profile hazardous condition detector
A hazardous condition detector is provided. The hazardous condition detector comprises a body, a hazardous condition sensor, and at least one corona discharge apparatus. The body defines a passage...
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7417540 |
Wireless linking of smoke/CO detection units
A wireless detector and alarm system, such as for example a smoke detector and/or carbon monoxide (CO) detector, operable to be linked and unlinked with one or more like detectors thereby forming a...
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7408473 |
Method of COHb calculation in a carbon monoxide detector
A gas detector and method of operating the gas detector that includes a carbon monoxide sensor and a processor. The carbon monoxide sensor senses an environmental concentration of carbon monoxide...
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7403128 |
Adverse condition detector with diagnostics
An adverse condition detector that records historical data concerning the operation of the detector such that the detector can be interrogated by a technician. The microprocessor of the adverse...
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7397369 |
Sensor and transmission control circuit in adaptive interface package
A programmable interface module includes a linear power regulator to control and provide power to interfaced components on an as needed basis. The interface module is implemented in, for example, a...
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7397361 |
Device for security systems for operation of habitats on installations
A device is described for a safety system on an installation in connection with the operation of a habitat ( 10 ) in which an object that is carrying out work which results in heat generation such...
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7378976 |
Night light and alarm detector
This invention relates to providing convenient night and pathway lighting this is integrated into a detector unit. Incorporating the illumination features into the detector unit provides the...
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7372370 |
Remotely activated, multiple stage alarm system
An alarm system ( 100 ) to wake sleeping occupants in the event of an emergency has a receiver ( 105 ) for detecting a warning signal ( 130 ) emitted from an external device ( 125 ), such as a...
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7369057 |
Power generator and power generator auxiliary monitoring
A generator monitoring system and method includes a plurality of sensors ( 12 ) disposed within a generator enclosure ( 18 ) to sense health conditions of a generator ( 10 ) housed within the...
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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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RE40238 |
Personal hydrogen sulfide gas alarm system
A person-carried hydrogen sulfide instrument is adapted for use with a conventional SCADA system or other type of fault monitoring system normally intended for monitoring well-related conditions at...
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7345590 |
Wireless terminal with gas leakage detection function, gas leakage detection system using the same, and gas leakage notification method
In a hydrogen gas station where a great number of sensors are installed, in case hydrogen leakage occurs, sensors in the vicinity of the leakage location start to transmit a warning to an access...
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7342505 |
Gas detection apparatus and method for controlling gas sensor
A first gas sensing element is provided in a first position to measure a concentration of a gas continuously, and a second sensing element is provided in a second position to measure the...
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7336191 |
Gas-measuring system
A gas-measuring system is provided that is suitable for both mobile and stationary use. A mobile measuring device ( 2 ) with sensors ( 4, 5, 6, 7 ) for detecting gas concentrations and a base...
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7331852 |
Method and apparatus for sampling and controlling ventilation airflow into a structure
A totally integrated ventilation system is contained in the outside air inlet stream. The system samples and controls ventilation airflow as it enters a structure. An air valve connecting the...
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7319403 |
Combination carbon monoxide and wireless E-911 location alarm
The present invention provides a device and method for automatically reporting and determining the geographic location of potential carbon monoxide emergencies utilizing wireless E-911 location...
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7312714 |
Ambient condition detector with time delayed function
An ambient condition detector includes a time delay function whereby a user initiates a functionality test of the detector and has time to move away from the vicinity of the detector before a...
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7310047 |
Gas alarm system with wind direction indicator
A hazardous gases and wind direction sensor includes a housing having a hazardous gas sensor. The gas sensor sends an output signal to a transmitter at a predetermined frequency upon detecting a...
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7301466 |
Turn signal lamp, periphery monitoring device, body construction and imaging device for vehicle
A side turn signal light that flashes during operation is disposed on a vehicle body side surface of a vehicle. Further, a camera that images a vehicle side zone that includes the side turn signal...
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7296459 |
Avatar refrigerator, and method for sensing contamination of the same
The present invention discloses a refrigerator for storing foods at a low temperature. An avatar refrigerator and a method for sensing contamination of the same receive measurement values from...
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7271721 |
Protected distribution system
An information transmission system comprising a conductor operable to carry a desired information signal. A first tube substantially surrounds the conductor and a second tube substantially...
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7271720 |
Homeland intelligent systems technology “H-LIST”
Homeland Intelligence Systems Technology “H-LIST” comprises nano-sensors embedded in a silicon substrate and etched/fused in a micro-fibered material to enable an outfit for monitoring...
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7269962 |
Cooling medium compressor arrangement
A cooling medium compressor arrangement is comprised of a compressor, a control mechanism electrically connected with the compressor, and a gas sensor, and the safety of the arrangement is improved...
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7265662 |
Apparatus and method for inspecting containers
This invention relates to an integrated apparatus and method for inspection of a container adapted to hold a pressurized gas. The integrated apparatus comprises (i) an imaging device configured to...
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7259656 |
System and method for displaying safe exit routes during an emergency condition
A system and method displays a safe route from a location to a destination that avoids one or more hazards detected, such as a fire or a gas leak.
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7250871 |
Particulate detector
An apparatus and method are provided for detecting presence in gas of transient particulate above its normal zero or acceptable level within a duct ( 4 ), said apparatus comprising at least one...
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7242310 |
Control techniques for shut-off sensors in fuel-fired heating appliances
In a flammable vapor sensor-based shut-off system of a fuel-fired water heater the sensor resistance output signal degradation caused by aging of the sensor is automatically compensated for using...
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