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| Number | Title | Issue Date |
| 8101917 | Method and apparatus for detecting unsafe conditions A device can be made operable to distinguish between materials impinging on a predefined area based at least in part on differentials within sets of data indicative of measurable characteristics of the materials impinging on the defined area. Such a device can trigg... | 01/24/2012 |
| 7902508 | Selectable field motion detector A detection field selectable motion sensor that includes a modulator having a output with a shaped response to received radiation emissions forming a detection field and a sensor configured to detect the output from the modulator. The motion sensor can be configured... | 03/08/2011 |
| 7755052 | PIR motion sensor A passive infrared sensor has two detection members established by respective detectors and optical elements, with alternating spatial volumes being monitored by each detection member. No dead space need exist between volumes. The detection members are configured su... | 07/13/2010 |
| 7645992 | Non-invasive method to identify hidden foreign objects near a human subject A method and device are revealed to non-invasively identify hidden foreign objects in proximity of living tissue. More specifically to a method and device find a foreign object hidden under the clothes of a person by measuring an anomaly in an infrared radiation sig... | 01/12/2010 |
| 7573033 | Automatically optimized cyclic integration Systems, methods, and other embodiments associated with automatically optimizing cyclic integration are described. One method embodiment includes repetitively acquiring a thermal intensity data using an infrared detector configured to operate for an integration time... | 08/11/2009 |
| 7560696 | Adjustable sensor A sensor mounting mechanism that includes a base member adapted to be mounted to a structure and a base neck having a first end and a second end where the first end is adapted to be coupled to a sensor with a ball-socket coupling and the second end is coupled to the... | 07/14/2009 |
| 7511276 | Heat source sensor for a marine vessel Two sensor units are mounted on opposite sides of a transom of a boat and directed to a common location behind the boat. The field of view of the two sensors overlaps behind the marine propulsion unit of the boat to detect the presence of a heat emitting object, suc... | 03/31/2009 |
| RE40650 | Infrared motion detection signal sampler The digital sampler circuit processes an output signal from a high gain analog amplifier having as input an infrared motion detector output signal and a negative low pass filtered feedback signal. The amplifier output signal is a substantially square pulse signal ha... | 03/10/2009 |
| 7488941 | Decorative lighting fixture with hidden motion detector A motion-activated decorative lighting fixture with a PIR motion detector hidden behind a decorative slotted wall of the fixture body. The motion-activated decorative lighting fixture includes a motion detector housing that forms an integral part of the lighting fix... | 02/10/2009 |
| 7476862 | Method for detecting a source of heat near a marine vessel Two sensor units are mounted on opposite sides of a transom of a boat and directed to a common location behind the boat. The field of view of the two sensors overlaps behind the marine propulsion unit of the boat to detect the presence of a heat emitting object, suc... | 01/13/2009 |
| 7439512 | Method and apparatus for detecting unsafe conditions A device can be made operable to distinguish between materials impinging on a predefined area based at least in part on differentials within sets of data indicative of measurable characteristics of the materials impinging on the defined area. Such a device can trigg... | 10/21/2008 |
| 7438438 | Decorative lighting fixture with adjustable range motion detector A motion-activated decorative lighting fixture with a PIR motion detector having an adjustable field of view hidden behind a decorative slotted wall of the fixture body. The lighting fixture includes a motion detector housing that forms an integral part of the fixtu... | 10/21/2008 |
| 7432505 | Infrared-based method and apparatus for online detection of cracks in steam turbine components An online method, system, and computer-readable code for remotely monitoring radiant energy emitted from a turbine blade (106), which may be undergoing an incipient degradation, such as a crack, in a relatively low-temperature, and saturated steam environment... | 10/07/2008 |
| 7411196 | Multi-sensors and differential absorption LIDAR data fusion A method of acquiring data uses multiple sensors in an aircraft. The method includes the steps of: (a) turning ON a DIAL sensor to detect a target of interest during a first flight pass over a region of interest (ROI), wherein the target of interest is a gas or oil ... | 08/12/2008 |
| 7399970 | PIR motion sensor A passive infrared sensor uses two detectors having elements of different configurations such that each element outputs a respective frequency when an object moves in front of it. Based on the presence of two frequencies with similar peak and/or slope characteristic... | 07/15/2008 |
| 7399969 | PIR motion sensor A passive infrared sensor uses two detectors having elements of different configurations such that each element outputs a respective frequency when an object moves in front of it. Based on the presence of two frequencies with similar peak and/or slope characteristic... | 07/15/2008 |
| 7373332 | Methods and apparatus for detecting temporal process variation and for managing and predicting performance of automatic classifiers Techniques for detecting temporal process variation and for managing and predicting performance of automatic classifiers applied to such processes using performance estimates based on temporal ordering of the samples are presented. ... | 05/13/2008 |
| 7364329 | Adaptor with gimbal mounted sensor An adaptor (10) including a sensor (18), a gimbal housing (12) having a male connector (14) at one end and an female connector (16) at another end, wherein the male connector (14) is configured to connect with an electrical ... | 04/29/2008 |
| 7364123 | Self powered railway monitoring system A data gathering apparatus comprises a power generation device configured to generate power via movement of the rail. The data gathering apparatus further comprises a sensing device configured to receive power from the power generation device and to sense at least o... | 04/29/2008 |
| 7362224 | Thermally sensitive array device for presence detection around automatic doors The present invention relates to a thermally sensitive array device for detecting a presence of a target object in a surveillance area. The device comprises a plurality of at least two thermally sensitive sensors provided in an array arrangement, each thermally sens... | 04/22/2008 |
| 7355626 | Location of events in a three dimensional space under surveillance A surveillance system using an array of detectors onto which energy from the scene under surveillance is focused can indicate the direction of an event that has been recognized. The invention uses two or more arrays to locate events in three dimensions, and to defin... | 04/08/2008 |
| 7351975 | Sensor system for identifying and tracking movements of multiple sources A system identifies a human being from the movement of the human being. The system includes a dual element pyroeleetric detector, a Fresnel lens array, and a processor. The dual element pyroelectric detector detects radiation from the human being as the human being ... | 04/01/2008 |
| 7348538 | Methods and systems for detecting proximity of an object Methods and systems for detecting a proximity of an object are provided. The method includes receiving a first beam of radiation from a first field of view directed onto a first detector and a second beam of radiation from a second field of view directed onto a seco... | 03/25/2008 |
| 7336217 | Method and apparatus for interferometric radar measurement In a method for interferometric radar measurement, at least two side looking RADAR systems on satellite and/or missile-supported platforms illuminate a common surface area by means of microwave signals. A first side looking RADAR system sends a first radar signal on... | 02/26/2008 |
| 7335886 | Recessed ceiling mounted passive infrared detector A ceiling-mounted passive infrared detector assembly (30) that has three main components: a junction box (10) which is adapted to be mounted within an opening in a ceiling; a cover (44) adapted to mate with the junction box (10); and an e... | 02/26/2008 |
| 7326932 | Sensor and cap arrangement The invention provides a sensor element formed in a first substrate and at least one optical element formed in a second substrate, the first and second substrates being configured relative to one another such that the second substrate forms a cap over the at least o... | 02/05/2008 |
| 7319226 | Camera apparatus with infrared night vision charge coupled device An infrared night vision camera apparatus includes a casing unit delimiting a first compartment and a second compartment separated from the first compartment, a light source module mounted in the first compartment, a shooting module mounted in the first compartment,... | 01/15/2008 |
| 7319228 | Passive infra-red detectors A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view, each sub field-of-view being exclusively defined by an optical elemen... | 01/15/2008 |
| 7319383 | Distributed motion prediction network The present invention provides a distributed motion prediction network including a plurality of nodes. The nodes in the network comprise a mechanism for detecting the presence of an object in an area around a node. A node that detects an object is termed a “detect... | 01/15/2008 |
| 7312429 | Method and apparatus of using optical distortion in a directed countermeasure system to provide a variable field of view A single, hard-mounted set of optics is utilized to replace a two field-of-view system for directed countermeasures. It includes within one continuous but distorted field of view the capability to detect, acquire and characterize targets at the edge of the field whi... | 12/25/2007 |
| 7304314 | Quantum cross-ambiguity function generator A cross-ambiguity function generator (“CAF”) uses properties of quantum mechanics for computation purposes. The CAF has advantages over standard analog or digital CAF function generators, such as improved bandwidth. The CAF may be used for traditional geolocatio... | 12/04/2007 |
| 7297953 | Infrared detecting apparatus An infrared detecting apparatus includes at least one infrared-sensitive element. Focusing means focuses infrared energy from a first zone onto the at least one infrared-sensitive element. An opaque element including a throughhole is positioned such that infrared en... | 11/20/2007 |
| 7284880 | Security device with rotating floodlights A security device with rotating floodlights comprises a housing having a control circuit and a motor positioned within the housing. A motion detector is mounted on the front wall of the housing. A shaft from the motor engages with a drive platform, and a pair of lam... | 10/23/2007 |
| 7286052 | Detector with blinders A detector mountable on either a planar wall or an interior corner and having an adjustable field of view. The detector includes first and second sensors positioned to provide a horizontal field of view defining an angle of approximately 180 degrees. At least one bl... | 10/23/2007 |
| 7277012 | Broad field motion detector A motion sensing system device and method which utilize dispersed ultrasonic radiation is disclosed. The system preferably comprises a low profile sensor unit configured to couple to a ceiling position. The sensor unit comprises an ultrasonic transmitter and an ultr... | 10/02/2007 |
| 7268497 | Lighting device with night light and human body sensing capability A lighting device with night light and human body sensing capability includes a first illumination device, a second illumination device, a sensor and a main body. The first illumination device is designed to illuminate a local predetermined area, and the second illu... | 09/11/2007 |
| 7265670 | Surveillance detector A surveillance detector comprising a light emitter and a light guide which is optically connected to the light emitter, which light guide includes reflectors mounted therein, a special feature being the fact that the light guide is capable of converting the light fr... | 09/04/2007 |
| 7259658 | Passive infrared sensor and obstacle detection system used in the same According to one embodiment of a passive infrared sensor, a passive infrared sensor 1 where an infrared sensing element 5 and an optical system 4 that sets a detection area A1 of the infrared sensing element 5 are covered with a co... | 08/21/2007 |
| 7256401 | System and method for fire detection A system and method for detecting radiation indicative of fire, such as forest fire. In one embodiment, a threshold energy level is determined based on ambient sensor conditions. A sensor unit may be setup to scan a predetermined area for electromagnetic radiation. ... | 08/14/2007 |
| 7245250 | Synthetic aperture radar image compression A method is disclosed of generating multi-resolution images using synthetic aperture radar (SAR) phase history data. A high resolution SAR image may be formed from the phase history data, or a lower resolution SAR image may be formed from a sub-aperture of the phase... | 07/17/2007 |
