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Match Document Document Title
9041592 Radar sensor and method of detecting object using the same  
A radar sensor and a method of detecting an object by using the same are provided. The method includes: receiving at least one radar signal reflected from the object; converting the received at...
9030351 Sensor suite and signal processing for border surveillance  
A land-based Smart-Sensor System and several system architectures for detection, tracking, and classification of people and vehicles automatically and in real time for border, property, and...
9024802 Electromagnetic detection and imaging transceiver (EDIT) and roadway traffic detection system  
An automatic frequency control is used to keep a continuous wave (CW) transmission tuned to the resonant frequency of a resonant microwave patch antenna (RMPA). Changes in loading and the bulk...
9019148 Remote sensing using MIMO systems  
A technique for sensing a moving object within a physical environment using a MIMO communication link includes generating a channel matrix based upon channel state information of the MIMO...
9008584 Environment estimation in a wireless communication system  
A method and system are described for estimating an environment surrounding a wireless communication system, the environment including at least one inflector that inflects transmitted signals. An...
9000973 Personal electronic device with a micro-impulse radar  
A personal electronic device such as a smart phone can include a micro-impulse radar (MIR).
8988275 Low energy radar system  
A low energy radar comprising a radar signal generator generating a radar signal, a transmitter transmitting the radar signal via a transmitting antenna, a receiving array including plurality of...
8976056 Ice data collection, processing and visualization system  
Autonomous Underwater Vehicles (AUV) collect and transmit information about ice floe thickness; this is combined with SYNTHETIC APERTURE RADAR images from satellites to identify and track...
8963767 Method for detecting the motion of object by ultra-wideband radar imaging and system thereof  
A method for detecting the motion of object by ultra-wideband radar imaging and system thereof to be used to present the motion of object in a reference gray-level image by using the delay time to...
8912950 Interference mitigation in through the wall radar  
This invention relates to sense through the wall radar. A main channel of a radar system (12) is operated at a frequency capable of penetrating opaque barriers such as the wall (24) of a building...
8909382 Occupancy detection system and method having automatic adaptation capabilities  
An occupancy detection system includes a motion detector, one or more sound detectors and a lighting controller configured to turn on and off one or more lighting devices in a defined area based...
8890677 Active virtual fence using mesh networked RF tags  
A system capable of monitoring an area and detecting a disturbance with the area. The system has a plurality of ultra-wide band radio frequency tags, each of the tags including a digital signal...
8884809 Personal electronic device providing enhanced user environmental awareness  
A personal electronic device is configured to provide enhanced user awareness of the environment responsive to data from a micro-impulse radar (MIR).
8878718 Intruding object discrimination apparatus for discriminating intruding object based on multiple-dimensional feature  
A normalization processing circuit normalizes a position of a complex demodulation signal on a complex plane from an A/D converter, and outputs a normalized complex demodulation signal after the...
8872674 Directional speed and distance sensor  
A method of using a directional sensor for the purposes of detecting the presence of a vehicle or an object within a zone of interest on a roadway or in a parking space. The method comprises the...
8866663 Methods and apparatus for sensing organic tissue  
In exemplary implementations of this invention, a radio signal is transmitted between a transmitter and a receiver. Either the transmitter, or receiver, or both, have a directional antenna. When...
8854251 Object identification device and method  
Provided is an object identification device and a method for the same that are capable of identifying a three-dimensional object and a road surface static object, irrespective of situations. The...
8830114 Mobile object detecting apparatus  
A mobile object detecting apparatus includes first radiation detecting means; and second radiation detecting means for radiating an electromagnetic wave having the same frequency as the...
8823578 Driving assist apparatus  
A driving assist apparatus for a vehicle is disclosed. The driving assist apparatus includes a transmitter for transmitting a transmission wave, a receiver for receiving a reflected wave, an...
8779965 Moving-entity detection  
A stepped-frequency radar signal is transmitted through a barrier. A transmitter of the stepped-frequency radar is on a first side of the barrier, a first object is on a second side of the...
8779966 Remote interrogation for detection of activity or living organisms inside electronically conductive containers  
A system includes: a radar scanner disposed to scan the interior of a container; an interrogator in communication with the scanner; and a processing system in communication with the interrogator,...
8762082 Wireless network using signal strength to detect the movement of a mobile device  
A movement detection system is provided with a wireless terminal, and a movement detection device connectable to the wireless terminal via a wireless network such that the wireless terminal...
8749373 Emergency equipment power sources  
Energy harvesting devices provide power to devices of emergency equipment stations (e.g., fire extinguisher station, fire alarm pull station, defibrillator station, etc.) distributed throughout a...
8730087 Passive radar for presence and motion detection  
A passive detector (10) includes a receiver (11) configured to collect passive radiation (12) in an environment, where detailed information about a portion of the passive radiation is estimated as...
8721554 Random body movement cancellation for non-contact vital sign detection  
A method and system for cancelling body movement effect for non-contact vital sign detection is described. The method begins with sending on a first electromagnetic wave transceiver a first...
8704702 Method for estimating an object motion characteristic from a radar signal, a computer system and a computer program product  
The invention relates to a method for estimating an object motion characteristic from a radar signal. The method comprises the step of receiving radar data of an object from a multiple beam radar...
8682821 Method for detection of movement of a specific type of object or animal based on radar signals  
A method of detecting movement includes using a radar sensor to monitor a space, and receiving an output signal from the radar sensor. A Fourier transform is performed on the output signal to...
8666656 Object detection device and navigation device  
An object detection device includes: an ultrasonic sensor for transmitting a signal and further receiving reflected signals of the transmitted signal; a delay-sum processing unit for generating...
8638253 Vibrating radar sensor  
Embodiments disclosed herein include a radar sensor device for detecting movement and velocity of external objects within or around a particular radar sensor field. The radar sensor field can use...
8624605 Apparatus and method to distinguish nominally identical objects through wave fingerprints apparatus and method to distinguish nominally identical objects through wave fingerprints  
The present invention exploits extreme sensitivity to initial conditions in ray-chaotic enclosures to create a method to distinguish nominally identical objects through their unique “wave...
8604964 System for determining the movement of a swaying structure  
A system for determining the movement of a swaying structure, on which a receiver is fixedly mounted, is proposed, wherein at least three reference transmitters having known and fixed positions...
8593331 RF ranging-assisted local motion sensing  
Example methods, apparatuses, and articles of manufacture are disclosed herein that may be utilized to facilitate or otherwise support RF ranging-assisted local motion sensing based, at least in...
8593250 Access control device  
The invention relates to an access control device (1) having at least one access barrier element, to which at least one read unit and/or sensor unit for acquiring legitimation and/or security...
8593279 System for detecting persons in a defined space  
System (10) for detecting the position of a mobile or immobile entity (20) in a defined space (30), characterized in that it includes: means (40) of detecting the presence of said entity in at...
8587472 Full-wave receiver architecture for the homodyne motion sensor  
A homodyne motion sensor or detector based on ultra-wideband radar utilizes the entire received waveform through implementation of a voltage boosting receiver. The receiver includes a receiver...
8576112 Broadband multifunction airborne radar device with a wide angular coverage for detection and tracking, notably for a sense-and-avoid function  
A multifunction airborne radar device includes a plurality of transmit antenna modules and/or receive antenna modules that are fixed relative to the aircraft, placed substantially over the surface...
8576664 Moving object detection system  
A moving object detection system is provided with an existence detection part, an integrating part and an existence judgment part. Based on first and second detection signals, the existence...
8576116 High speed high resolution wide range low power analog correlator and radar sensor  
Systems, methods and apparatus related to a high speed, high dynamic range and low power consumption radar system are provided herein. The radar system may include an analog correlator which...
8576110 Fast ray trace to identify radar multipaths  
A method of detecting a target in a room using a radar system having a transmitter for irradiating the object, a sensor for receiving reflected radiation, and circuitry for analyzing the reflected...
8552865 Self-test method for a microwave module  
A method and apparatus are provided for automatically testing microwave instruction detection modules of a security system. The method includes the steps of detecting intruders within a protected...
8542109 Foliage penetrating sensor array for intrusion detection  
An intrusion detection system that provides foliage penetration is disclosed employing an array of field disturbance transceivers operating at UHF frequencies. The array of transceivers generate a...
8538669 Ground based system and methods for identifying incursions along the flight path of an in-flight aircraft  
Methods and apparatus are provided for transmitting incursion alerts to a plurality of in-flight aircraft in accordance with preconfigured pilot preferences. The apparatus comprises a data store...
8519883 Adjusting the sensitivity of a PIR sensor or a doppler radar sensor disposed within a light fixture  
A motion detector system includes the ability to detect motion through the use of a Doppler radar sensor or a combination of PIR sensors and a Doppler radar sensor. The system includes an outdoor...
8502729 Ultra-wideband radar sensors and networks  
Ultra wideband radar motion sensors strategically placed in an area of interest communicate with a wireless ad hoc network to provide remote area surveillance. Swept range impulse radar and a...
8471761 Wideband radar nulling system  
This disclosure describes a radar system that in certain embodiments can, among other features, take into account the phase noise and/or drift of a transmit signal when generating a nulling...
8461989 Smart container UWB sensor system for situational awareness of intrusion alarms  
An in-container monitoring sensor system is based on an UWB radar intrusion detector positioned in a container and having a range gate set to the farthest wall of the container from the detector....
8446311 Array of UHF radar bases for protecting sensitive zones against intrusions  
A system for protecting sensitive zones includes detection bases disposed in such a way that each base performs the monitoring of a part of the limit of the protected zone. To each base n is...
8441390 Event detecting apparatus  
An event detecting apparatus capable of high-precision detection of an event even by use of a narrow-band signal comprises: a plurality of antennas 21 that receive radio waves transmitted from a...
8436764 Radar sensor and method for operating a radar sensor  
In operating a radar sensor, a modulation sequence having a number n of successive linear frequency ramps having different slopes an is cyclically repeated. A received radar signal reflected from...
8432277 Alarm device and alarm system  
An alarm device includes: a detection device which detects an occurrence of an abnormal condition within a monitoring area; a transmission device which transmits an alarm signal when the detection...

Matches 1 - 50 out of 448 1 2 3 4 5 6 7 8 9 >