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| Number | Title | Issue Date |
| 8013779 | Airborne radar notably for a drone The present disclosure relates to an airborne radar notably for a drone. In at least one embodiment, the airborne radar has a first structure and a second structure. The first structure is mechanically attached to an aircraft carrying the radar. The first structure ... | 09/06/2011 |
| 8004451 | Adaptive microwave security sensor A method and apparatus are provided for operating a microwave detector for detecting intruders within a secured area. The method includes the steps of selecting a noise floor based upon a setting of a range setting potentiometer, detecting a magnitude of a signal re... | 08/23/2011 |
| 7948430 | Position estimating system, position estimating method, position estimating device and its program A position estimating device (4) which estimates the position of an object by comparing a receiving pattern obtained from ID transmitters (2a, 2b, . . . ) and ID receivers (3a, 3b, . . . ) installed in a... | 05/24/2011 |
| 7907082 | Method and system for presence detection A method and system for presence detection within a detection volume delimited by an inner radius and an outer radius using microwave radiation. The outer radius of the detection volume is controlled by selecting the length of a first pulse controlling the transmit ... | 03/15/2011 |
| 7898460 | Radar target detecting method, and apparatus using the target detecting method A radar apparatus includes a transmitting antenna and a receiving antenna that has a plurality of antenna elements, and switches the plurality of antenna elements in synchronization with a modulation period to acquire receiving signals. At this time, the antenna ele... | 03/01/2011 |
| RE41479 | Time domain radio transmission system A time domain communications system wherein a broadband of time-spaced signals, essentially monocycle-like signals, are derived from applying stepped-in-amplitude signals to a broadband antenna, in this case, a reverse bicone antenna. When received, the thus transmi... | 08/10/2010 |
| 7760130 | Method and system for presence detection A method for presence detection using a microwave transmitter and a microwave receiver, the method including generating a sequence of clock pulses by means of a pulse generator, feeding the clock pulses to a clocked circuit arranged to generate a sequence of first p... | 07/20/2010 |
| 7642949 | Illumination source for millimeter wave imaging Methods and apparatuses of scene illumination for millimeter wave sensing are presented. One embodiment features illuminating a subject with millimeter wave radiation produced by at least one fluorescent light, generating an image with a passive sensor using the mil... | 01/05/2010 |
| 7592943 | Frequency modulated continuous wave (FMCW) radar having improved frequency linearity A frequency modulated continuous wave (FMCW) radar is described that comprises a frequency sweep generator for producing a swept frequency signal. A discriminator receives a portion of the swept frequency signal and produces a reference difference-frequency signal. ... | 09/22/2009 |
| 7561097 | Method and system for detection of objects A method for detection of an object, the method including irradiating a target with two electromagnetic wave energy beams, a first beam at a first frequency and a second beam at a second frequency, the first frequency being lower than the second frequency, both beam... | 07/14/2009 |
| 7548182 | Radar device and radar method A radar device for detecting an object in front of the radar device, has a plurality of antennas, wherein the object is detected based on each reception signal received by two or more of the plurality of antennas, a position specification section for specifying a po... | 06/16/2009 |
| 7532151 | Proximity sensor A microwave oscillating portion 30 has an output oscillator function that is capable of adjusting automatically a frequency of microwaves radiated from an electrically conductive member made of an outer panel 11-14 as an antenna at a specific fr... | 05/12/2009 |
| 7515089 | Signal analysis A wideband irregular signal is decomposed into respective frequency bands, the ratio of the highest to the lowest frequency within each band being in the ratio of approximately 3:1 and the total number of bands being 3 or 4. The wideband signal, or a re-constituted ... | 04/07/2009 |
| 7501976 | Monopulse traffic sensor and method A method and system for determining a position of a vehicle within a field of view using a traffic sensor are provided. This involves (a) mounting the traffic sensor at a fixed location relative to a road; (b) modulating a microwave signal to produce a periodic time... | 03/10/2009 |
| 7463181 | Method of suppressing interferences in systems for detecting objects In a method for suppressing interferences while detecting objects in a target area, a transmitter transmits a sequence of pulses into the target area, and a receiver detects the resulting reflection signal of the pulses reflected from the objects, within successive ... | 12/09/2008 |
| 7443336 | In-vehicle pulse radar device Provided is an in-vehicle pulse radar device capable of calculating a distance to a target object based on a delay time between a transmission pulse wave and a received signal. The in-vehicle pulse radar device includes: a reception control unit for controlling pass... | 10/28/2008 |
| 7439900 | Radar system with resampling features Disclosed is a radar system which comprises an AD conversion unit for converting an analog signal obtained from an antenna into a digital signal, a frequency analysis unit for performing a frequency analysis of the digital signal converted by the AD conversion unit,... | 10/21/2008 |
| 7433383 | Techniques to detect radar in a communication signal Techniques to detect radar signals in a communication signal for a wireless system are described. ... | 10/07/2008 |
| 7432846 | Millimeter wave imaging system A millimeter wave imaging system. The system includes at least one millimeter wave frequency scanning antenna for collecting frequency dependent beams of millimeter wave radiation from a narrow one-dimensional field of view; a millimeter wave amplifier for amplifyin... | 10/07/2008 |
| 7425917 | Radar for detecting the velocity of a target A radar including a target measurement component, a differential velocity calculator and an overall velocity determination portion. The target measurement component transmits and receives an electromagnetic wave over a detection range repeatedly at measurement inter... | 09/16/2008 |
| 7423587 | Method for frequency-driven generation of a multiresolution decomposition of the input to wave-based sensing arrays A method for generating a multiresolution decomposition of an array signal by a bank of spatial bandpass filters is disclosed. The signal processing operation is implemented through the use of the directivities of the individual array elements and does not degrade t... | 09/09/2008 |
| 7423576 | System and method for radar tracking using communications packets According to the invention, IEEE 802.15.4a packets are used for communications, ranging and passive radar (detecting changes/motions, tracking objects in the environment) functionality. Changes and motions in the environment are detected by exploiting the specific p... | 09/09/2008 |
| 7417581 | System and method for intrusion detection using a time domain radar array A system and method for highly selective intrusion detection using a sparse array of time modulated ultra wideband (TM-UWB) radars. Two or more TM-UWB radars are arranged in a sparse array around the perimeter of a building. Each TM-UWB radar transmits ultra wideban... | 08/26/2008 |
| 7417580 | Object detection system and object detection method An object detection system includes a radar detection means (2), an image detection means (3), and a collating means (4). The collating means (4) performs a collation between an object detected by the radar detection means (2) in a... | 08/26/2008 |
| 7417579 | Weather radar with significance determination A weather radar system includes processing electronics. The processing electronics sense weather and determine significant weather based upon the altitude of the weather. The altitude of the weather can be compared to a flight path to determine its significance. A d... | 08/26/2008 |
| 7417585 | Radar scanning method A scanning method of an in-vehicle scanning-type radar for emitting beams subsequently to execute scanning and for detecting an object includes determining whether or not the object is in an approaching state. When it is determined that the object is not in the appr... | 08/26/2008 |
| 7415244 | Multi-channel millimeter wave imaging system A broad-band millimeter wave imaging system with improved thermal resolution as compared to prior art devices. The system is useful for producing images of metal and non-metal objects such as guns, knives and explosives hidden under clothing. A cylindrical antenna f... | 08/19/2008 |
| 7405692 | Detecting concealed objects at a checkpoint Disclosed are systems, methods, devices, and apparatus to interrogate a clothed individual with electromagnetic radiation to determine if a concealed object is being carried. This determination includes establishing data corresponding to an image of the individual w... | 07/29/2008 |
| 7385549 | Millimeter wave portal imaging system A millimeter wave portal imaging system for the detection of concealed weapons, explosives and other contraband items. A preferred millimeter wave imaging system includes a number (such as 64) of millimeter wave detection units each including a frequency scanning an... | 06/10/2008 |
| 7382312 | Syntactic target classifier Disclosed is a Syntactic Landmine Detector. The syntactic landmine detector processes a received signal from a ground penetrating RADAR which contains at least one spatial sequence, the spatial sequence containing relative spatial information locating impedance disc... | 06/03/2008 |
| 7379017 | Micro movement pulsed radar system and method of phase noise compensation A pulsed radar system uses phase noise compensation to reduce phase noise due to drift of the reference oscillator to enable detection of micro movements and particularly human motion such as walking, breathing or heartbeat. The noise level due to A/D sampling must ... | 05/27/2008 |
| 7379018 | System and method for verifying a radar detection The method and system provide provisions for generating a respective detection state value associated with each of a plurality of RF receive beams. A first state value is indicative of a detection. The method and system further provide provisions, for each of the de... | 05/27/2008 |
| 7379013 | Detecting objects within a near-field of a frequency modulated continuous wave (FMCW) radar system The present disclosure relates to a radar device and technique for detecting the presence of objects located in the near-field of a frequency modulated, continuous wave (FMCW) radar device. The technique includes transmitting and receiving a frequency modulated sign... | 05/27/2008 |
| 7365676 | Sensor for transmitting and receiving electromagnetic signals The invention relates to a sensor comprising a housing, inside of which a transmitting antenna array that transmits electromagnetic transmission signals in a radiation area and a receiving antenna array that receives received signals reflected by at least one object... | 04/29/2008 |
| 7362260 | Method of using continuous-wave radiation for detecting and locating targets hidden behind a surface Continuous-wave radiation is used to detect a target hidden behind a surface. In an embodiment, a transmitter directs a beam of continuous-wave microwave radiation from a transmitting location, and reflected radiation from the target is received at first and second ... | 04/22/2008 |
| 7358888 | System and method for intrusion detection using a time domain radar array A system and method for highly selective intrusion detection using a sparse array of time modulated ultra wideband (TM-UWB) radars. Two or more TM-UWB radars are arranged in a sparse array around the perimeter of a building. Each TM-UWB radar transmits ultra wideban... | 04/15/2008 |
| 7358889 | Object detection system and method of detecting object An object detection system is provided with radar detection means (2), image detection means (3), and collating means (4). The collating means (4) detects a combination of an object detected by the radar detection means (2) and an ... | 04/15/2008 |
| 7345617 | Apparatus for collecting ground radar data with polarization information The present invention concerns an apparatus for collecting ground radar data with polarization information comprising a main body exhibiting structure for moving the apparatus along the ground, a part that rotates in relation to the main body supporting a pair of an... | 03/18/2008 |
| 7342493 | Motion detector According to various illustrative embodiments, a motion-monitoring system comprises at least one antenna fixed within a barrier, the at least one antenna transmitting at least one first radio-frequency signal through the barrier to at least one volume outside the ba... | 03/11/2008 |
| 7339516 | Method to provide graphical representation of Sense Through The Wall (STTW) targets A method to present easily understood images that represent targets that are detected through walls or other opaque barriers is disclosed. This method is particularly well suited for sense-through-the-wall radar systems. One of the main challenges of evolving STTW s... | 03/04/2008 |
