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| Number | Title | Issue Date |
| 7425896 | Tag testing device, tag testing method, and tag testing program A tag testing device uses an infrared camera to take an image of a plurality of radio frequency identification tags, compares the image with a stored standard tag pattern image storage, and detects defective tags based on the comparison. A radio wave transceiver bul... | 09/16/2008 |
| 7414536 | Valve mounted bottom out sensor A sensor for attachment to an inflatable air cell cushion to detect a change in immersion depth and bottoming out of the user seated on the cushion. The sensor includes an airflow conduit for attachment to the cushion inflation tube. The airflow conduit comprises a ... | 08/19/2008 |
| 7405667 | Apparatus for determining type of liquid in a container and method for controlling the apparatus A technique for quickly determining the type of liquid in a container externally regardless of the material of the container, preferably contactlessly. A halogen heater 102 and an infrared thermopile 103 are disposed outside an electrically conductive ... | 07/29/2008 |
| 7250870 | Back draft alarm assembly for combustion heating device A back drafting alarm assembly is designed to detect back drafting in combustion fired appliances. The assembly includes a temperature sensor unit that is attached to the diverter bonnet of a water heater or furnace to measure the temperature at all times. The senso... | 07/31/2007 |
| 7180406 | Onboard fire alert system The method is for warning for alcohol fueled fires in vehicles such as racing vehicles. The method comprises providing a vehicle (44) with an engine (46) fueled by alcohol. Sensors (20, 22, 24) are mounted adjacent to the engine. The sensors sen... | 02/20/2007 |
| 7167813 | Water heater performance monitoring system A water heater performance monitoring device for monitoring whether a water heater is functioning optimally or whether it requires service. The device uses maximum heating rates taken from a plurality of measured heating rates to determine if the performance of the ... | 01/23/2007 |
| 7123154 | Remote sensing and signaling of the presence of wildfire Detecting a wildfire and an electrical arc, which are characterized by emission of ultraviolet (UV) radiation at a given wavelength, are described using a light sensor having a pulse output responsive to the given wavelength and generating an intermediate output res... | 10/17/2006 |
| 7102501 | Device and method for automatically preventing misting of the windscreen of a vehicle A device and method for automatically preventing misting of the windscreen of a vehicle, wherein a number of sensors determine ambient conditions capable of misting the windscreen, and, upon such ambient conditions occurring, an electronic central control unit autom... | 09/05/2006 |
| 7098797 | Fire or overheating detection system A system for detecting fire or overheating includes a sensor including at least one material having a resistance with a selected temperature coefficient, wherein the resistance of the material is indicative of a temperature. The system includes further a device conn... | 08/29/2006 |
| 7084774 | Temperature control system A method and implementing computerized system are provided for enabling point-specific temperature control for a given airspace. In an exemplary embodiment, infrared sensing devices are positioned in a vehicle to sense and record temperatures at various points withi... | 08/01/2006 |
| 7046155 | Fault detection system A fault detection system detecting malfunctions or deteriorations, which may result in an inverter fault, is provided. The system has a temperature sensor installed on a semiconductor module to monitor a temperature rise rate. It is judged that an abnormal condition... | 05/16/2006 |
| 7034701 | Identification of fire signatures for shipboard multi-criteria fire detection systems A multi-criteria fire detection system, comprising a plurality of sensors, wherein each sensor is capable of detecting a signature characteristic of a presence of a fire and providing an output indicating the same. A processor for receiving each output of the plural... | 04/25/2006 |
| 7026921 | Engine temperature monitoring device An engine temperature monitoring device for alerting a vehicle operator that an engine is overheated includes a heat sensor adapted for detecting ambient temperature levels. A processor adapted for monitoring the temperature levels is operational coupled to the heat... | 04/11/2006 |
| 7002478 | Smoke and flame detection A method of operating a computer for smoke and flame detection comprising the steps of: receiving digitised images of the region to be monitored; comparing pixels of one of said images with pixels of another said image according to two predetermined procedures to pr... | 02/21/2006 |
| 6977575 | Flexible averaging resistance temperature detector A temperature sensor. The sensor comprises a wire comprising a resistance temperature detector (RTD) sensing material wrapped around a flexible insulated metal core wire to form an assembly. A first end of the sensing wire is electrically connected to a first end of... | 12/20/2005 |
| 6960019 | Fiber optic temperature monitoring method A method of monitoring a temperature condition includes inputting a light pulse into a fiber optic cable and receiving a reflection signal that arises from said input light pulse in said fiber optic cable. A temperature condition along the fiber optic cable and a lo... | 11/01/2005 |
| 6945692 | Fiber optic temperature monitoring system A system for monitoring a temperature condition includes a fiber optic cable, a light emitting device coupled to the fiber optic cable and configured to input a light pulse into the fiber optic cable, and an optical receiver coupled to the fiber optic cable and conf... | 09/20/2005 |
| 6900730 | Heat source locator A heat source locator (10) is disclosed having an elongated housing (11) in which is mounted a thermal detector (21), an infrared laser (22), a visible laser (23), and a light bar (25) all coupled directly or indirectly to t... | 05/31/2005 |
| 6897782 | Thermal monitoring of an electric load element A method for monitoring thermal overload of an electric load element in a motor vehicle containing other electric consumers, which can be switched into a stand-by phase is disclosed. The load element is monitored by a control device using a calculated load temperatu... | 05/24/2005 |
| 6885304 | Monitoring of crowd response to performances Monitoring apparatus and methods for monitoring the reaction of people to a performance use two or more monitoring devices of different types. Output signals from the monitoring devices are combined to produce at least one crowd reaction signal indicative of the rea... | 04/26/2005 |
| 6819237 | Automated fire protection system An apparatus and fire protection system for detecting and extinguishing a spark, flame, or fire on a heat sensitive explosive object, which identifies, locates and relays vital information related to the particular endangered explosive object. The invention can be u... | 11/16/2004 |
| 6809637 | Monitoring a condition of a pneumatic tire An unsafe operating condition, such as low pressure, of a pneumatic tire is monitored by measuring a temperature (T) of the pneumatic tire, determining (304, 308) rates (R1, R2) at which the tire temperature is changing, and indicating (340) when the r... | 10/26/2004 |
| 6788208 | Method for controlling stationary fire-extinguishing systems A method and a fire-alarm system controls stationary fire-extinguishing systems. The fire-alarm devices of the fire-alarm system are equipped with one or more detectors. If at least one pre-adjustable alarm threshold of a fire identification characteristic is reache... | 09/07/2004 |
| 6778088 | Deployable identification device An identification device for mounting within a container that includes a chamber positioned within an interior section and an access opening within an outer surface of the container and in communication with the chamber. The identification device includes a wireless... | 08/17/2004 |
| 6727820 | Method and system for monitoring the thermal status of a card shelf A method for monitoring the operating temperature within a card shelf having a plurality of discrete electronic cards includes receiving a first temperature indicative of an operating temperature of an item on one of the electronic cards. A second temperature indica... | 04/27/2004 |
| 6611207 | Method for detecting fire with light section image to sense smoke The present invention relates to a method for detecting fire with light section image to sense smoke. Infrared radiation arrays (1) and infrared cameras (2) are provided in a monitored area. The images of the infrared light spots transmitted by the infrar... | 08/26/2003 |
| 6578373 | Rate of change detector for refrigerant floodback A floodback detector for refrigerant systems employing any of: minimum suction temperature, temperature rate of change and duration thereof; minimum superheat, superheat rate of change and duration thereof.... | 06/17/2003 |
| 6504484 | Control method using power to prevent overheat inside of electric equipment A control method using power to prevent overheat inside of an electric equipment includes a setting unit, a sensing unit, a central processing unit, an alarm unit, a power cut-off protection unit, and s control unit. The detecting values are supplied by t... | 01/07/2003 |
| 6486785 | Method of taking infrared temperature readings through a wildlife shield for electrical equipment Providing an animal shield having two halves snapped together around an electrical bushing and connector. The animal shield has a multiplicity of closely spaced apart openings substantially covering its body. An infrared camera is aimed at the animal shie... | 11/26/2002 |
| 6466132 | Incipient failure indication apparatus for an environment control system An incipient failure indication apparatus for an environmental control system which includes a heat exchanger through which air flows and a temperature control thermostat. The indication apparatus includes an indicator having an alarm in communication wit... | 10/15/2002 |
| 6437698 | Smoke alarm device A smoke alarm device has an ASIC (1) with an integrated photo detector (3) and control circuit. The photo detector output is compared every ten seconds with an alarm threshold level in a comparator circuit (10), with a sensitivity-decrease threshold in a ... | 08/20/2002 |
| 6429777 | Alarm system for detecting excess temperature in electrical wiring The system includes a sensor for each junction box in the building to be guarded, e.g., the residence, and a display panel showing the temperature of any junction box that is heated above the danger point. Another display panel shows the name of the resid... | 08/06/2002 |
| 6384384 | Boil dry detection in cooking appliances Boil dry conditions are detected in utensils heated on a cooking appliance having at least one energy source disposed under a cooking surface such as a glass-ceramic plate and a controller for controlling the level of power supplied to the energy source. ... | 05/07/2002 |
| 6373392 | Alert device for providing a warning of a baby's condition which may lead to the onset of SIDS An alert device for providing a warning of a baby's condition which may lead to the onset of SIDS. The alert device includes a receiver for receiving a signal, which has an element for warning a person proximate to the receiver of the baby's condition. A ... | 04/16/2002 |
| 6373394 | Heat dissipation and thermal indication for wheel set assembly The present invention provides a method for constant and rapid heat dissipation and thermal indication for railway wheel set assemblies. The method comprises assembling a vehicle wheel set by mounting bearings and wheels on an axle with interference fit a... | 04/16/2002 |
| 6359566 | Welding machines Resistance welding machines may include one or more temperature sensors that measure the temperatures of one or more heat generating elements within the welding machine, such as the welding transformer, the welding cable, the welding gun and/or the weldin... | 03/19/2002 |
| 6359565 | Method and system for monitoring the thermal status of a card shelf A method for monitoring the operating temperature within a card shelf having a plurality of discrete electronic cards includes receiving a first temperature indicative of an operating temperature of an item on one of the electronic cards. A second tempera... | 03/19/2002 |
| 6356191 | Error compensation for a process fluid temperature transmitter A process fluid temperature transmitter includes circuitry that improves compensation of error due to the presence of one or more non-associated voltage sources in a resistance temperature device (RTD) circuit. A method of compensating for such error is a... | 03/12/2002 |
| 6320512 | Temperature monitor for temperature sensitive products The present temperature monitor is comprised of a thermistor and a reference resistor connected to a capacitor in parallel. The capacitor is charged through the thermistor by a microcontroller to determine the thermistor charging time, discharged, and the... | 11/20/2001 |
| 6263194 | Transmitter cut off apparatus An apparatus and method to use the temperature of a transmitting radio to prevent transmission of radio waves outside of an assigned frequency band. More specifically, if a transmitter exceeds a specified temperature the transmitter will be automatically ... | 07/17/2001 |
