Entries |
Document | Title | Date |
20080198062 | Method for Operation of a Radar Sensor - A method for close-proximity operation of a radar sensor for the generation of a usable detection field, for the recognition of people and/or stationary objects by an antenna, whereby the detection field can be altered or adjusted electronically. | 08-21-2008 |
20080198063 | Apparatus and method 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 receiving locations closer to the surface than the transmitting location. The transmitting and receiving locations have spatial relationships such that the phase of reflected radiation received at one receiving location is in quadrature with the phase of reflected radiation received at the other receiving location. In an embodiment, direct transmitted radiation is received at the receiving locations in quadrature. | 08-21-2008 |
20080211708 | METHOD FOR THE OPERATION OF A RADAR SYSTEM - The invention relates to a method for operating a radar system ( | 09-04-2008 |
20090102697 | 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 pulses of a first pulse length and a sequence of second pulses of a second pulse length, each one of the first and second pulse lengths being related to a predetermined number of the clock pulses, periodically actuating the microwave transmitter by means of the sequence of first pulses, periodically actuating the microwave receiver by means of the sequence of second pulses; and determining whether an object is present in the detection volume based on microwave radiation being received by the microwave receiver. A system for such presence detection is also disclosed. | 04-23-2009 |
20090135046 | Radar system for manmade device detection and discrimination from clutter - A radar system for detecting the presence of threat providing electronic manmade devices placed in a given area of operation comprising: a radar transmitter for transmitting a radar signal designated as a probe signal to the given area of operation to cause said threat providing devices to produce anomalous energy signals, a radar receiver for receiving a reflected radar signal from said area of operation including said anomalous energy signals, designated as Target Anomalous Response (TAR) signals, a circuit responsive to the received signal for processing the signal to detect the (TAR) anomalous energy signals indicative of a threat producing device. | 05-28-2009 |
20090140909 | METHOD AND APPARATUS FOR ASSESSING CONTACT CLUSTERS - Methods and apparatus for identifying a plurality of contacts from a signal return, defining a zone containing a number of contacts from the plurality of contacts, determining a centroid for the contacts in the zone, and tracking the contacts in the zone as a single contact based on the centroid. | 06-04-2009 |
20090146865 | RADAR APPARATUS - Provided is a radar apparatus, which is mounted in a movable body, for detecting an obstacle in the vicinity of the movable body. The radar apparatus comprises a transmitting section ( | 06-11-2009 |
20090174590 | Radar system for aircraft - Radar system for providing an aircraft with a facility for in use at least detecting another aircraft in at least one monitorable zone within a region surrounding of that aircraft, wherein the system comprises for each monitorable zone at least one subsystem comprising one transmitter for sending an electro-magnetic probe signal and at least one receiver for receiving a reflection of that probe signal, wherein the transmitter is arranged to send the probe signal in a direction that is static with respect to that aircraft. | 07-09-2009 |
20090201190 | Surveillance and warning system - A system and method for providing entry-point, boundary-line, and presence intrusion detection by means of an intelligent controller process capable of driving both field alert/alarm systems and security station monitoring devices and for providing occupancy warnings and critical status alerts, one embodiment providing runway occupancy warnings and critical runway status alerts to both flight crew approaching an airfield and air traffic controllers managing ground traffic, the system including: a detection system, airfield output devices (including all FAROS, GAROS and CTAF Runway Occupancy Radio Signals (RORS)), an airfield communications network, a centralized data processing unit that contains all of the algorithms to drive light control, logging, and an optional administrative network layer that hosts a graphical user interface. | 08-13-2009 |
20090219188 | METHOD FOR OPERATION OF A RADAR SENSOR - A method for close-proximity operation of a radar sensor for the generation of a usable detection field, for the recognition of people and/or stationary objects by an antenna, whereby the detection field can be altered or adjusted electronically. | 09-03-2009 |
20090251355 | AUTOMOTIVE DRIVE ASSIST SYSTEM WITH SENSOR FUSION OF RADAR AND CAMERA AND PROBABILITY ESTIMATION OF OBJECT EXISTENCE FOR VARYING A THRESHOLD IN THE RADAR - An ACC system ( | 10-08-2009 |
20090295619 | Object Detection - An object is detected by generating a binary signal having an irregular sequence of states and in which transitions between states occur at varying time offsets with respect to a nominal regular clock. The binary signal is transmitted, and a reflection of the transmitted signal is processed with a reference version of the binary signal. The reference signal is delayed, and then used to sample the reflected signal. The samples are used to derive a combined value representing the average time derivative of the reflected signal at locations within the reflected signal which substantially correspond to the times of the transitions in the reference signal. The presence of an object at a range corresponding to the delay is determined from the combined value. | 12-03-2009 |
20090303099 | Method for the Detection of Surroundings - A method for the detection of surroundings is performed using a source which emits pulsed signals. Signals backscattered from an object are detected by a sensor. When performing the method, a presence of the object is detected during coarse sampling. To determine a variable related to the detected object, operating parameters of the source are set for fine sampling. | 12-10-2009 |
20100090880 | OBJECT DETECTING APPARATUS - An object detecting apparatus including: an object detecting device that causes electromagnetic waves to be reflected from an object and receives the reflected waves to detect the object while scanning a predetermined scan range; a rotating device that changes a direction of the object detecting device; an imaging device that captures images; a display device that displays an image captured by the imaging device; a setting device that sets the scan range of the object detecting device on the image displayed by the display device; and a control device that instructs the rotating device to rotate the object detecting device based on the set scan range, and instructs the object detecting device to scan the scan range. | 04-15-2010 |
20100141503 | SENSING/EMITTING APPARATUS, SYSTEM AND METHOD - A number of apparatuses are provided, for sensing and/or emitting energy along one or more desired apparatus line of sights (LOS) with respect to the respective apparatus. In at least one embodiment, the apparatus includes an assembly that is rotatably mounted on a base with respect to a switching axis. The assembly has two or more sensing/emitting units, each having a respective sensing/emitting unit line of sight (ULOS). Each sensing/emitting unit has an operative state, wherein the respective unit ULOS is pointed along a LOS of the apparatus for sensing and/or emitting energy along the LOS, and a corresponding inoperative state, where the respective unit ULOS is pointed along a direction different from this LOS. A switching mechanism enables switching between the sensing/emitting units to selectively bring a desired sensing/emitting unit exclusively into its respective operative state while concurrently bringing a remainder of the sensing/emitting units each to a respective non-operative state. Corresponding systems and methods are also provided. | 06-10-2010 |
20100164780 | 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 | 07-01-2010 |
20100201561 | GONIOMETRIC SYSTEM COMPRISING NETWORKS OF MINI DOPPLER SENSORS FOR PERIMETER SURVEILLANCE - The present invention relates to the detection of intruders (human beings, vehicles or animals) in a protected zone and the departure of individuals from this zone. One or more embodiment of the invention relates to a device which includes a plurality of individual standalone electromagnetic sensors placed on the perimeter of the guarded zone so as to substantially cover this perimeter, and a central unit placed close to the perimeter surrounding the guarded zone. Each sensor takes a measurement of the angular position and of the speed of an intruder present in the zone that it covers. These measurements are relayed to the central unit from the sensor having detected the intruder, through a communication network formed by all of the sensors. The central unit processes the data transmitted by the various sensors and periodically determines the position and trajectory of the detected intruders. The invention applies in particular to the guarding of civil and military infrastructures (airports, factories, oil pipelines, gas pipelines, ports, railways etc.) or of private zones (properties, estates). | 08-12-2010 |
20100265118 | SENSOR FOR PARKING AREA - A proximity sensor for a parking area designed to detect the presence of an obstacle constituted by a parked vehicle, comprises a transmitting radar, designed to send electromagnetic pulses towards the obstacle, a receiving radar, designed to receive the pulses reflected by the obstacle, and a processing circuit, designed to compare samples detected in a certain condition of absence of an obstacle in a calibration step with those detected in a condition of detection of an obstacle to determine the presence/absence of the obstacle. | 10-21-2010 |
20100265119 | GEOLOCATION USING HIGH ORDER STATISTICS - A specific emitter identification (SEI) method and apparatus is capable of identifying and tracking objects within a geographical area of interest wherein the system and method has not been preprogrammed to look for particular signals. The system and method receives all of the emitted electromagnetic signals emitted from area of interest. The system and method next performs high order statistical analysis on the received signals and determines which signals emanate from possible targets of interest and which likely emanate from background clutter/noise by comparing the relative degrees of Gaussianness of the signals (for example using entropy measurements). The least Gaussian signals are deemed to likely be signals from potential targets of interest while those which are more Gaussian are deemed to be likely from background clutter or noise. | 10-21-2010 |
20100271254 | ELECTRONIC SCANNING TYPE RADAR DEVICE, ESTIMATION METHOD OF DIRECTION OF RECEPTION WAVE, AND PROGRAM ESTIMATING DIRECTION OF RECEPTION WAVE - An electronic scanning type radar device mounted on a moving body includes: a transmission unit transmitting a transmission wave; a reception unit comprising a plurality of antennas receiving a reflection wave of the transmission wave from a target; a beat signal generation unit generating a beat signal from the transmission wave and the reflection wave; a frequency resolution processing unit frequency computing a complex number data; a target detection unit detecting an existence of the target; a correlation matrix computation unit computing a correlation matrix from each of a complex number data of a detected beat frequency; a target consolidation processing unit linking the target in a present detection cycle and a past detection cycle; a correlation matrix filtering unit generating an averaged correlation matrix by weighted averaging a correlation matrix of a target in the present detection cycle and a correlation matrix of a related target in the past detection cycle; and a direction detection unit computing an arrival direction of the reflection wave based on the averaged correlation matrix. | 10-28-2010 |
20100271255 | SYSTEMS AND METHODS FOR USING AN EVIDENCE GRID TO ELIMINATE AMBIGUITIES IN AN INTERFEROMETRIC RADAR - A system includes an Interferometric radar that transmits a first detection signal over a first spatial region and a second detection signal over a second spatial region. The second region has a first sub-region in common with the first region. The system further includes a processing device that assigns a first occupancy value to a first cell in an evidence grid. The first cell represents the first sub-region, and the first occupancy value characterizes whether an object has been detected by the first detection signal as being present in the first sub-region. The processing device calculates, based on the first and second detection signals, the probability that the first occupancy value accurately characterizes the presence of the object in the first sub-region, and generates a data representation of the first sub-region based on the probability calculation. | 10-28-2010 |
20100328137 | LOCATING DEVICE - The invention relates to a locating device, in particular a hand-guided locating device, with a locating unit ( | 12-30-2010 |
20110050480 | Method and Device For The Spatially Resolved Detection and Reconstruction of ObjectsBy Means of Microwaves - A method and a device for the spatially resolved detection and reconstruction of objects using microwaves is described, in which at least one object to be detected is subjected to microwaves that are generated by a plurality of microwave antennas and microwave fractions reflected by the object are detected and converted into microwave signals that can be analyzed, based on which an analysis for the spatially resolved object detection is carried out. | 03-03-2011 |
20110050481 | SIGNAL PROCESSING DEVICE, RADAR DEVICE, VEHICLE CONTROL SYSTEM, SIGNAL PROCESSING METHOD, AND COMPUTER-READABLE MEDIUM - A signal processing device performs object detection processing in which peak signals each representing a differential frequency between a transmitted signal in which a frequency thereof changes in a predetermined cycle and a received signal are derived in a first period where the frequency of the transmitted signal rises and a second period where the frequency of the transmitted signal falls, and the peak signals in the first period are paired with the peak signals in the second period to detect object information related to the peak signals. A range setting unit sets a frequency range in each of the first period and the second period on the basis of a frequency of an integer multiple of the peak signal related to the object information which has been detected in previous object detection processing. A signal setting unit sets a peak signal as a specific peak signal in a case where the peak signal is within the frequency range in each of the first period and the second period. A paring unit pairs the specific peak signal in the first period and the specific peak signal in the second period. | 03-03-2011 |
20110063158 | Array antenna apparatus and radar apparatus - An array antenna apparatus includes a transmission-array-antenna including transmission-antenna-elements, a transmission-side directivity control unit controlling a directivity of the transmission-array-antenna by controlling phases of at least part of the transmission-antenna-elements, a reception-array-antenna including reception-antenna-elements, and a reception-side directivity control unit controlling a directivity of the reception-array-antenna by controlling phases of the reception-antenna-elements. The array antenna apparatus has a composite transmission/reception directivity, in which the direction of a grating lobe of one of the transmission-array-antenna and the reception-array-antenna agrees with the direction of a null point or part of side lobes of the other of the transmission-array-antenna and the reception-array-antenna, and the direction of a grating lobe of the other of the transmission-array-antenna and the reception-array-antenna agrees with the direction of a null point or part of side lobes of the one of the transmission-array-antenna and the reception-array-antenna, and scans in a scanning range with the composite transmission/reception directivity. | 03-17-2011 |
20110068969 | PULSE DOPPLER COHERENT METHOD AND SYSTEM FOR SNR ENHANCEMENT - A method and system for SNR enhancement in pulse-Doppler coherent target detection. In accordance with the method of the invention, complex signals are obtained for each of two or more sub-intervals of the time-on-target interval, allowing simultaneous range and Doppler measurements. A coherent integration is then performed on the signals to generate complex-valued folded matrices. The folded matrices are unfolded and target detection is then performed in a process involving one or more of the unfolded matrices. A pulse-Doppler coherent system is also provided configured for target detection by the method of the invention. | 03-24-2011 |
20110084869 | Multiple Beam Directed Energy System - A method and apparatus for transmitting beams of electromagnetic energy. A plurality of beams having a first number of frequencies and a number of beams having a second number of frequencies are transmitted. The plurality of beams and the number of beams overlap each other at an area with a pattern of intensities in the area. Difference frequency signals having a number of difference frequencies equal to a difference between the first number of frequencies and the second number of frequencies are monitored. The difference frequency signals are generated by an object having non-linear electrical characteristics in response to receiving the plurality of beams and the number of beams. | 04-14-2011 |
20110095936 | WIRELESS SENSOR APPARATUS - A wireless sensor apparatus controls, in a case where wireless waves are radiated by feeding pulse signals generated by a signal generation circuit to antennas, an operation timing of the signal generation circuit and a path from the signal generation circuit to the antennas in such a manner that after a prior pulse signal is fed to the antenna and simultaneously supplied to a mixer circuit, at a proximate timing which does not overlap with a pulse width of the prior pulse signal supplied to the antenna and the mixer circuit, a next pulse signal is fed to the antenna and simultaneously supplied to a mixer circuit. | 04-28-2011 |
20110163906 | RADAR APPARATUS, ANTENNA APPARATUS, AND DATA ACQUISITION METHOD - A radar apparatus, an antenna apparatus, and a data acquisition method are provided, which can reduce the size of a radar apparatus as well as maintaining angular resolution. | 07-07-2011 |
20110181455 | CLUTTER REDUCTION IN DETECTION SYSTEMS - The present invention relates to a system ( | 07-28-2011 |
20110187578 | Conductive line communication apparatus and conductive line radar system and method - A conductive line radar comprising at least one signal surface wave launcher, which comprises a signal surface wave transceiver, which is physically attached to a power line. The signal surface wave transceiver transmits a wave signal along the power line with another signal radiating from the wave signal in a plurality of directions along the power line. The at least one signal surface wave transceiver receives reflected signals from a target within a distance of the power line. The at least one signal surface wave launcher includes at least one RF communications transceiver and can be inductively powered from the power line. | 08-04-2011 |
20110187579 | METHOD AND DEVICE FOR TRANSMISSION, METHOD AND DEVICE FOR RECEPTION, AND METHOD AND DEVICE FOR DETECTING TARGET OBJECT - This disclosure provides a transmission device, which includes a signal generating module for generating two or more kinds of pulse-shaped signals of mutually different pulse widths, and an antenna for emitting the pulse-shaped signals to the exterior. For the two or more kinds of pulse-shaped signals generated by the signal generating module, an order of two or more kinds of pulse-shaped signals included in a predetermined time frame differs from an order of two or more kinds of pulse-shaped signals included in a different time frame. | 08-04-2011 |
20110193738 | Radar for Aerial Target Detection Fitted to an Aircraft Notably for the Avoidance of Obstacles in Flight - A radar being carried by an aircraft includes means for transmitting an RF wave towards a target, said wave having a double form, a first waveform being composed of at least two sinusoids of different frequencies transmitted simultaneously, the radar comprising reception circuits receiving the signals reflected by the target and analysis means performing the detection of the target on the basis of the signals received. The second waveform is of the pulse type. The transmitted waveform is dependent on the relative speed of the target with respect to the carrier and on the absolute speed of the carrier. | 08-11-2011 |
20110199251 | RADIO WAVE SENSOR - The object of the present invention is to provide a low power consumption, compact radio wave sensor capable of accurately detecting the presence and mobile status of a detected object present within a detection area, and having a superior S/N ratio. The radio wave sensor comprising: an oscillator circuit | 08-18-2011 |
20110241924 | PROJECTION DETECTING APPARATUS AND PROJECTION DETECTING METHOD - A projection detecting apparatus according to the present invention is that for detecting a projection on a surface of a running metal object, and includes a transmission antenna for radiating electromagnetic waves; a reception antenna for receiving reflected electromagnetic waves; and a transmission and reception signal processing section for processing a transmission signal and a reception signal. The transmission antenna and the reception antenna have unidirectionality and the transmission antenna and the reception antenna are installed in such a way that the reception antenna does not catch electromagnetic waves which have been radiated by the transmission antenna and reflected on the surface of the metal object and the reception antenna catches electromagnetic waves alone which have been radiated by the transmission antenna and reflected on the projection. | 10-06-2011 |
20110260906 | PULSE RADAR DEVICE - A radiation type oscillator including a radiation type oscillator substrate including a microwave transistor for generating negative resistance by short-duration operation and a resonant cavity structure; a high-frequency pulse signal of an oscillation frequency/frequency bandwidth determined by negative resistance produced by the short-duration operation of the microwave transistor and the resonant cavity structure is generated as a transmitted RF signal and simultaneously radiated into space. The radiation type oscillator performs oscillating operation when a received RF signal that is a reflected wave of the transmitted RF signal from an object of detection enters the radiation type oscillator, an IF signal is acquired from an IF signal output terminal owing to homodyne mixing by the radiation type oscillator itself, and this is analyzed and processed to detect the object of detection. | 10-27-2011 |
20110260907 | METHOD FOR DETECTING A BIRD OR A FLYING OBJECT - A method detects a bird or an object flying level with a single wind turbine, using a device for radio wave detection of at least one bird or another flying object, in the form of at least one radar. The analog image from each radar is transformed into a digital image and an outer safety area and an inner safety area is defined for the image. A safety space for each radar is defined and an action is performed in the event of a detection within the safety areas. | 10-27-2011 |
20110273320 | RADIOMETRIC IMAGING DEVICE AND CORRESPONDING METHOD - The present invention relates to a radiometric imaging device and a corresponding method for scanning a scene. The proposed device comprises a radiometer for detecting radiation emitted in a predetermined spectral range from a spot of said scene and for generating a radiation signal from said detected radiation, a spot movement means for effecting a movement of the spot, from which the radiation is detected, to various positions, a control means for controlling said spot movement means to effect the movement of the spot from one position to another position so that radiation is detected at a number of spots distributed over the scene, wherein said number is lower than the number of pattern signals of said high-density signal pattern and the radiation signals generated from the radiation detected at said number of spots form a low-density signal pattern, and a processing means for processing the radiation signals of said low-density signal pattern and for generating said high-density signal pattern by applying compressive sensing to said low-density signal pattern. | 11-10-2011 |
20110273321 | Method and System for Tracking Objects Using Radio Tomographic Imaging - New systems and methodologies that use radio tomography for object tracking. | 11-10-2011 |
20110285571 | SENSOR AND ALIGNMENT ADJUSTING METHOD - Disclosed is alignment adjustment technology for a sensor, and more particularly a sensor having an antenna structure of a specific form, which enables the alignment of the sensor to be simply and accurately adjusted even without a separate mechanical adjustment device or a change in the structure of a vehicle, and an alignment adjusting method provided by the sensor. | 11-24-2011 |
20110316733 | Method and Apparatus for Locating a Golf Ball with Doppler Radar - A method comprises transmitting a radar signal into an target area, receiving reflected portions of the radar signal from the target area, and processing the reflected portions of the radar signal. The step of processing comprises windowing analog signals representative of the reflected portions of the radar signal, performing a fast Fourier transform on the windowed analog signals to produce an FFT result for each window, and obtaining the average of the FFT results from consecutive windows. In accordance with the method, a user receives indication from an indicator that a golf ball is present in the target area when the average of the FFT results corresponds to characteristics of the golf ball. The system comprises a radar transceiver, a processor for processing reflected portions of the radar signal, and an indicator indicating to the user a golf ball present in the target area. | 12-29-2011 |
20120062409 | METHOD FOR DETECTING TARGETS USING SPACE-TIME ADAPTIVE PROCESSING AND SHARED KNOWLEDGE OF THE ENVIRONMENT - A method detects a target in a radar signal using space-time adaptive processing. A test statistic is | 03-15-2012 |
20120068876 | Control of an electronic apparatus using micro-impulse radar - A computer or entertainment system is configured to respond to data received from a micro impulse radar configured to detect movement, physiology, posture, presence, and/or absence of a person in one or more regions near the computer or entertainment system. | 03-22-2012 |
20120092207 | SYSTEM AND METHOD FOR RADIATING RF WAVEFORMS USING DISCONTINUES ASSOCIATED WITH A UTILITY TRANSMISSION LINE - A method for processing radio frequency reflections is provided. The method applies an RF waveform to a transmission line that is a conductor used for providing a utility service. The method uses a RF waveform generator to transmit UltraWideband (UWB) RF waveforms through the conductors of a building. The RF waveforms are emitted at emission points that can be impedance discontinuities along the transmission line or impulse radios. The emitted RF waveforms reflect off of objects in the building and are received at reception points that can be impedance discontinuities or impulse radios. These reflections are processed to determine movement of objects within or near the building. Based on the reflections of the RF waveforms, the position of the objects within or near the building can be determined. | 04-19-2012 |
20120127013 | METHOD AND PROGRAM FOR DETECTING OBJECT OF INTEREST, AND RADAR DEVICE - This disclosure provides a radar device, which detects an object of interest from image data produced based on an input signal containing echo signals caused by transmitted signals reflecting on objects. The radar device includes a memory module for storing template image data produced based on one or more characteristics of the echo signals of the object of interest, a pattern matching module for performing pattern matching of the image data and the template image data, an identifying module for identifying an area within the image data containing the object of interest corresponding to the template image data, when the object of interest is detected from the image data as a result of the pattern matching. | 05-24-2012 |
20120176266 | METHOD AND RADAR APPARATUS FOR DETECTING TARGET OBJECT - Disclosed is a method and a radar apparatus for transmitting a transmission signal at a controlled timing in order to avoid signal interference, thereby exactly detecting a target object without misrecognition. | 07-12-2012 |
20120200446 | RADAR DEVICE AND TARGET DETECTION METHOD - A radar device that detects a target includes two or more transmitting antennas and two or more receiving antennas, including a combination of two or more transmitting antennas and receiving antennas that form two or more reference paths at which spatial phases become identical; an envelope detection unit that acquires an envelope of a reception signal received by the receiving antenna in each of the reference paths; a determination unit that decides a phase correction amount between the reference paths from a delay amount that yields a minimum value of an integrated distance between envelopes of the reception signals of the reference paths; and a correction unit that aligns phases of all reception signals received by the two or more receiving antennas, using the decided phase correction amount. | 08-09-2012 |
20120206288 | DOPPLER SENSOR AND ILLUMINATION DEVICE INCLUDING SAME - A doppler sensor includes a doppler signal generation unit and a determining unit. The doppler signal generation unit serves to transmit an electric wave to a detection range and receiving electric waves from a detection range, and generating a doppler signal based on a transmission signal used in transmitting the electric wave and a reception signal obtained from the received electric waves, and the determining unit serves to determine whether or not there exists a human body in the detection range through a spectrum analysis using a peak frequency, which is a frequency having the highest intensity in a difference spectrum obtained by subtracting a background spectrum from the spectrum of the doppler signal. | 08-16-2012 |
20120229323 | RADAR SYSTEM AND POWER-SUPPLY DEVICE INCORPORATED IN THE SAME - A power-supply device for supplying electrical power to a radar device that transmits and receives a continuous wave and detects an object reflecting the continuous wave on the basis of a spectrum of a beat signal of the transmitted and reflected waves. The power-supply device includes a power supply section that generates electrical power in a predefined voltage range through a switching section being turned on and off in response to a switching signal, and a switching signal output section that, outputs the switching signal whose frequency is set within one of assignable bands. This leads to a radar system comprised of the radar device and the power-supply device, capable of securely preventing erroneous detection of a frequency peak of the switching signal as a frequency peak of the object. | 09-13-2012 |
20120229324 | HUMAN PRESENCE DETECTOR SUITABLE FOR CONCEALMENT AND USING A SHAPED MICROWAVE BEAM - A presence detector unit (PDU) of the type relying on microwave radiation provides a signal indicating movement within a defined space when such movement occurs. A source of microwave radiation within a housing projects a beam of microwave radiation directed through a side of the housing to suffuse at least a portion of the defined space. A detector within the housing senses changes in microwave radiation reflected back toward the detector. An adjustable beam occlusion structure is supported by the housing and blocks a portion of the microwave radiation emanating from the source and through the side of the housing. | 09-13-2012 |
20120262327 | DEVICES, METHODS, AND SYSTEMS FOR OCCUPANCY DETECTION - Devices, methods, and systems for occupancy detection are described herein. One or more device embodiments include a memory and a processor. The processor is configured to execute executable instructions stored in the memory to determine an interference temperature associated with a number of radio equipped devices located in an area at a point in time, determine a radio tomographic map associated with the area at the point in time, and determine whether the area is occupied at the point in time based on the determined interference temperature and the determined radio tomographic map. | 10-18-2012 |
20120262328 | ACTIVE ARRAY ANTENNA DEVICE - In one embodiment, an active array antenna device includes: M (M≧2) bandpass filters to filter signals received by M antenna elements; M low noise amplifiers to amplify the filtered received signals; M distributors to distribute respective of the M amplified signals into N (N≧2) distributed signals; M sets of N phase shifters provided for respective of the M distributors to shift phases of the N distributed signals; M sets of N attenuators to attenuate N phase-shift signals; N beam synthesis circuits provided for N sets of the M attenuators to synthesize a beam by summing attenuator outputs from the M attenuators corresponding to the M distributors; a heat insulating container accommodating the low noise amplifiers and the receiving filters and formed of a superconductor material; and a cooler to cool the receiving filters and the low noise amplifiers to make the receiving filters in a superconducting state. | 10-18-2012 |
20120293356 | METHOD FOR DETECTING OBJECTS - In a method for detecting objects, at least one sensor emits a transmitting pulse as a wave, particularly as an acoustic or an electromagnetic wave, which wave is reflected at least partially by objects in the propagation space, and the reflected wave being detected by at least one receiver as a received signal. The received signal of the reflected wave is divided up into segments, and from the individual segments, data are gathered that are drawn upon for the determination of an object hypothesis. | 11-22-2012 |
20120306681 | HYBRID MILLIMETER WAVE IMAGING SYSTEM - A hybrid mm-wave imaging system which increases the probability of detection and reduces false alarm rate. The system includes a large array of passive sensors (pixels) to provide an initial coarse picture of the environment and a small array of active sensors in the center of the large array, which is activated only when the initial passive scan detection is positive. The active array, without any mechanical scanning, illuminates the area to detect edges to provide clarity to the detected image, thereby increasing the probability of detection and reducing the false alarm rate. | 12-06-2012 |
20120306682 | 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 normalization to a multiple-dimensional feature extractor. The multiple-dimensional feature extractor calculates a feature quantity that changes when a person intrudes, a feature quantity that changes in wind and rain, and a feature quantity that changes when a spatially isolated intense electric field exists. A discriminator discriminates that a person has intruded based on the feature quantities of three dimensions. | 12-06-2012 |
20120313805 | RADAR TARGET DETECTION PROCESS - A process is provided for analyzing a radar signal using CLEAN to identify an undetected target in sidelobes of a detected target. The process includes obtaining system impulse response data of a waveform for a point target having a signal data vector based on a convolution under conjugate transpose multiplied by a target amplitude vector plus a noise vector, estimating the target amplitude vector, and applying a CLEAN Deconvolver to remove the detected target from the data signal vector based on the estimate amplitude vector absent the detected target and an amplitude vector of an undetected target. The process further includes building a detected target vector with the amplitude estimate vector, setting to zero all elements of the detected target vector except at an initial time, and recomputing the amplitude estimate vector by a Reformulated CLEAN Detector. | 12-13-2012 |
20120326913 | METHOD AND APPARATUS FOR DETECTING VEHICLE WHEELS - A method for detecting the wheels of a vehicle that is traveling on a roadway in a travel direction and whose wheels project downward from the vehicle body and are at least partially exposed laterally at the level of the vehicle body, with the steps: emitting a concentrated electromagnetic measurement beam with a known temporal progression of frequency from the side of the roadway onto an area a predetermined distance above the roadway and at a slant with respect to the travel direction, receiving the measurement beam reflected by a passing vehicle and recording the temporal progression, relative to the known progression, of its frequency, and detecting a rectangular pulse occurring in the recorded progression within the time period when the vehicle body passes, as a wheel. | 12-27-2012 |
20120326914 | Method and Apparatus for Detecting Vehicle Wheels - Method for detecting wheels of a vehicle that is traveling on a roadway in a travel direction and the wheels of which are at least partially exposed laterally. The method including: emitting an electromagnetic measurement beam lobe with a known temporal progression of frequency from the side of the roadway onto an area of the roadway and at a slant with respect to the travel direction, receiving the measurement beam lobe reflected by a passing vehicle and recording the temporal progression, relative to the known progression, of all of its frequencies, and during the passage of a vehicle, detecting a frequency spread appearing in the recorded progression and exceeding a predetermined spread magnitude, as a wheel. | 12-27-2012 |
20130088378 | RF PULSE SIGNAL GENERATION SWITCHING CIRCUIT, RF PULSE SIGNAL GENERATING CIRCUIT, AND TARGET OBJECT DETECTING APPARATUS - An RF pulse signal generation switching circuit for controlling an output of a power FET for amplifying a high frequency signal to generate an RF pulse signal that is the high frequency signal pulse formed into a pulse-wave shape is provided. The circuit includes first and third n-type FETs of which gates are inputted with a control pulse that supplies a rise timing and a fall timing of a pulse, and a second n-type FET of which a gate is connected with a drain of the first FET. A source of the first FET and a source of the third FET are grounded, respectively. The drain of the first FET is applied with a first drive voltage via a resistor. A drain of the second FET is applied with a second drive voltage. A source of the second FET is connected with a drain of the third FET and the connection point therebetween is connected with the power FET. A capacitor is connected between the connection point and an end of the resistor from which the first drive voltage is applied. | 04-11-2013 |
20130106643 | RF GUN BARREL DETECTION SYSTEM | 05-02-2013 |
20130113650 | Methods and apparatus for suppression of low-frequency noise and drift in wireless sensors or receivers - An imaging receiver includes a low noise amplifier (LNA) module to receive and amplify the radio-frequency (RF) input signal; one or more switches configured to selectively pass RF input to one or more of the power detector circuits; one or more power detector circuits coupled to the switches to generate output voltages proportional to associated powers at their input ports; one or more reference circuits to provide reference signals to the switches; and one or more integrator circuits to integrate the output voltages of the power detector circuits. | 05-09-2013 |
20130162459 | 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 organic tissue passes between (or is stationary between) the transmitter and receiver, the tissue causes a reduction of the received signal strength (RSS) of the signal, as compared to a baseline RSS. The larger the amount of tissue, the greater is the reduction of the RSS. By analyzing the degradation of the signal, information about organic tissue between the transmitter and receiver may be determined. For example, the number of persons passing through a physical threshold may be determined. Or the fact that one person is walking faster than, and catching up with, a second person as they pass between the transmitter and receiver may be determined. | 06-27-2013 |
20130169467 | SYSTEM AND METHOD FOR DETERMINING WHETHER AN OBJECT IS LOCATED WITHIN A REGION OF INTEREST - A system for determining whether an object is within a region of interest includes a radiofrequency signal receiver outside of the region of interest configured to receive radiofrequency signals from the direction of the region of interest; and a radiofrequency transponder having a directional antenna outside of the region of interest and configured to transmit radiofrequency signals away from the radiofrequency signal receiver and towards the region of interest. Presence of an object within the region of interest causes radiofrequency signals transmitted by the radiofrequency transponder to reflect off of the object towards the radiofrequency signal receiver. | 07-04-2013 |
20130176161 | OBJECT DETECTION METHOD, DEVICE AND SYSTEM - A method and apparatus are provided for detecting an object to be detected. The object is associated with a profile, wherein the profile characterizes the reflection of a signal on the object. The method includes, for a device in a telecommunication network, the acts of selecting a first profile corresponding to a first object to be detected; requesting, based on the first profile, a resource allocation to the communication network; receiving the resource allocation from the communication network; transmitting a signal in the direction of a second object using the allocated resource; receiving a reflected signal, corresponding to the reflection of the transmitted signal on the second object; computing a second profile using the received reflected signal; and indicating the detection of the first object to be detected when the second profile matches the first profile. | 07-11-2013 |
20130214961 | HYBRID RADAR INTEGRATED INTO SINGLE PACKAGE - A radar apparatus includes a phased array receiver, with a steerable receive beam. The receiver elements are grouped into subarrays, which each provide a subarray signal to a mixer. The mixer signals are then used by a DBF algorithm to determine narrow virtual beams within the receive beam. The receive beam is used to obtain radar data from sectors of the field of view, and the sectors may be approximately as wide as the receive beam. The order in which sectors are examined may be determined by the sector importance, related to the presence, nature, and/or behavior of previously tracked targets within each sector. | 08-22-2013 |
20130222173 | ELECTRONIC SCANNING TYPE RADAR DEVICE, ESTIMATION METHOD OF DIRECTION OF RECEPTION WAVE, AND PROGRAM ESTIMATING DIRECTION OF RECEPTION WAVE - An electronic scanning type radar device mounted on a moving body includes: a transmission unit transmitting a transmission wave; a reception unit comprising a plurality of antennas receiving a reflection wave of the transmission wave from a target; a beat signal generation unit generating a beat signal from the transmission wave and the reflection wave; a frequency resolution processing unit frequency computing a complex number data; a target detection unit detecting an existence of the target; a correlation matrix computation unit computing a correlation matrix from each of a complex number data of a detected beat frequency; a target consolidation processing unit linking the target in a present detection cycle and a past detection cycle; a correlation matrix filtering unit generating an averaged correlation matrix by weighted averaging a correlation matrix of a target in the present detection cycle and a correlation matrix of a related target in the past detection cycle; and a direction detection unit computing an arrival direction of the reflection wave based on the averaged correlation matrix. | 08-29-2013 |
20130241760 | OBJECT DETECTION DEVICE AND METHOD THEREOF - An object detection device includes a RF emitter composed of a RF emitting module and an emitter antenna for emitting an EM wave, a RF receiver composed of a RF receiving module and a RF antenna for receiving a reflected EM wave by a predetermined object and a processor connected to the RF emitter and the RF receiver to process the received reflected EM wave so as to obtain a received signal strength indicator (RSSI) such that existence of the object is determined based on fluctuation of the RSSI when compared with a predetermined threshold value. | 09-19-2013 |
20130335258 | MOBILE COMMUNICATION DEVICE - A mobile communication device including a system ground plane, an antenna, a signal distributor, a transceiver and a sensing controller is provided. The antenna converts an electromagnetic wave to a radio-frequency signal. Besides, the antenna and the system ground plane form a sensing capacitor to detect an object and generate a detecting signal accordingly. The signal distributor is electrically connected to the antenna through a first connection terminal and a second connection terminal and guides the radio-frequency signal and the detecting signal from the antenna to a third connection terminal and a fourth connection terminal. The transceiver is electrically connected to the third connection terminal and processes the radio-frequency signal. The sensing controller is electrically connected to the fourth connection terminal and determines whether the object exists around the antenna according to the sensing signal. | 12-19-2013 |
20140015706 | PRESENCE DETECTION SYSTEM, PRESENCE DETECTION METHOD, AND PROGRAM - A presence detection system is equipped with a transmitter that transmits a multipath wireless signal and a receiver that detects the presence of a person by receiving the transmitted wireless signal, within a prescribed space. On the basis of the reception level for a wireless signal received intermittently at the beginning of a first interval, the receiver determines whether there has been a change in the present/absent state of a person. When it is determined that there has been a change in the present/absent state of a person, the receiver determines whether a person is present/absent on the basis of variation in the reception level for a wireless signal received at the beginning of a second interval, which is shorter than the first interval. | 01-16-2014 |
20140062755 | HELICOPTER COLLISION-AVOIDANCE SYSTEM USING LIGHT FIXTURE MOUNTED RADAR SENSORS - A helicopter collision-avoidance system is disclosed. An exemplary system includes at least one lamp, such as a light emitting diode (LED) lamp, an incandescent lamp, a halogen lamp, an infrared lamp, or the like; a radar emitter configured to emit a radar signal; a radar detector configured to receive a radar return signal associated with reflections of the emitted radar signal that are reflected from an object; and a radio frequency (RF) system configured to wirelessly transmit radar information associated with the received radar return signal to a radar information receiver configured to receive the wirelessly transmitted radar information. The light module is located at one of a plurality of light positions on an external surface of a helicopter. | 03-06-2014 |
20140077988 | ADAPTIVE SENSING SYSTEM - An adaptive sensing system including a passive sensor that receives electromagnetic radiation, an active sensor that emits and receives electromagnetic radiation, a detection unit that detects the presence of human beings and objects other than human beings in a region of observation, and a control unit that controls the active sensor and the passive sensor based on a result of the detection by the detection unit. | 03-20-2014 |
20140118180 | Apparatus and Method Using Radar in the Ground to Detect and/or Count Bicycles - A package, wireless sensor module, wireless sensor node and wireline sensor node are disclosed including a radar configured to embed beneath vehicles in pavements, walkways, parking lot floors and runways referred to herein as in ground usage. An access point interfacing to at least one of the sensors is disclosed to provide traffic reports, parking reports, landing counts, takeoff counts, aircraft traffic reports and/or accident reports based upon the sensor's messages regarding the radar and possibly magnetic sensor readings. A runway sensor network is disclosed of radar sensors embedded in lanes of at least one runway for estimating the landing count and/or takeoff count effect of aircraft. | 05-01-2014 |
20140139366 | RADAR-BASED DETECTION AND IDENTIFICATION FOR MINIATURE AIR VEHICLES - An unmanned aerial vehicle (UAV) radar apparatus may be used in aircraft detection and avoidance. The radar apparatus may include an RF front end configured to transmit and receive RF signals, a filtering module coupled with the RF front end module that filters RF signals received at the RF front end module, and a target data processing module coupled with the filtering module that detects and identifies one or more targets based on the filtered RF signals. Avoidance procedures may be initiated based on the identification and detection of one or more targets. | 05-22-2014 |
20140168001 | NEGATIVE OBSTACLE DETECTION WITH STEREO CAMERA AND LONG RANGE RADAR - A negative obstacle detection system for a vehicle comprises a stereo camera mountable to the vehicle to provide a forward facing image and a long range radar mountable to the vehicle to emit a signal in a forward direction from the vehicle. An electronic control unit receives data from the stereo camera and the long range radar to determine if a negative obstacle may be located in a forward proximity to the vehicle. | 06-19-2014 |
20140191893 | SYSTEM AND METHOD FOR WIDE-AREA STRATOSPHERIC SURVEILLANCE - Methods and apparatuses for providing wide-area surveillance with a radar and/or other sensors from a stratospheric balloon launched from a land or ship platform for detection, tracking, and classification of maritime, land, and air objects such as ships, people/vehicles, or aircraft are described generally herein. In one or more embodiments, an apparatus is battery operated and includes a stratospheric balloon filled that is filled with helium when it is launched and a gondola with a radar system and communication equipment suspended therefrom. When launched, the apparatus can travel with the wind until it reaches an altitude of approximately 68,500 ft., then it can move substantially horizontally with the stratospheric winds until it returns to earth via a parachute. Multiple apparatus launches at periodic intervals can help provide continuous coverage of the surveillance area. The apparatus can be recovered and re-used or can be considered expendable. | 07-10-2014 |
20140240163 | Method and System for Compressive Array Processing - Signals received by an array of sensing elements are processed by first positioning the sensing elements in a uniform grid of L locations, wherein each location to include or not to include a sensing element is selected during a design phase. The sensing elements are selected and grouped into subsets, wherein each subset contains one or more sensing elements, and each sensing element is a member of one or more subsets. The signals in each subset are linearly combined to produce a combined signal, which is then sampled to form an output channel, which can detect objects. | 08-28-2014 |
20140240164 | RF PROXIMITY SENSOR - A sensor has a strip resonator filter that energizes an emitter patch which emits an electric field out from the strip resonator filter (away from the strip resonator filter). The capacitance of the filter, or specifically the coupling capacitance and radiation pattern of the slotted patch, is altered when an object such as a finger is near the sensor. Resulting changes in a signal outputted by the filter can be used to determine how close the object is to the sensor. The strip resonator filter may be a half wavelength strip resonator coupled filter having three separate strips. The patch may have a slot and two accompanying strips. An arrangement of multiple sensors may detect the position of an object in two or three dimensions. | 08-28-2014 |
20140253362 | PASSIVE MILLIMETER-WAVE DETECTOR - Disclosed are passive millimeter wave detection devices that in some embodiments are useful for detecting objects such as weapons obscured underneath clothing. Also disclosed are methods for detecting objects using millimeter waves, in some embodiments, objects such as weapons, obscured underneath clothing. | 09-11-2014 |
20140266854 | System and Method for Doppler Radar Monitoring of Restricted Areas Below Bucket Trucks, Lineworkers on Power Distribution Poles or Other Elevated Loads - A method and system ( | 09-18-2014 |
20140266855 | RADAR APPARATUS AND COMPUTER-READABLE STORAGE MEDIUM - A radar apparatus to detect an object includes a detecting unit configured to detect the object based on a reflected wave received in response to transmitting a transmission wave, in order to output a detection result of the object, a storage unit including a first storage part to store the detection result, and a second storage part to store a copy of information stored in the first storage part based on a copy command, and a selecting unit configured to select one of the first storage part and the second storage part as an access destination, in order to output the detection result stored in one of the first storage part and the second storage part selected as the access destination. | 09-18-2014 |
20140285372 | OBJECT DETECTING DEVICE, OBJECT DETECTING METHOD, OBJECT DETECTING PROGRAM, AND MOTION CONTROL SYSTEM - An object detecting device includes a signal transmitting and receiving unit configured to generate an intermediate frequency signal based on a transmission signal and a reception signal which is a reflected wave thereof, a processing unit configured to determine that an image of a target peak frequency is a virtual image based on noise when it is determined that a peak frequency of predetermined n times the target peak frequency is not present in information based on the intermediate frequency signal generated by the signal transmitting and receiving unit and to detect an object based on the determination result, where n is an integer of 2 or greater. | 09-25-2014 |
20140285373 | ON-BOARD RADAR APPARATUS - An on-board radar apparatus includes an antenna unit configured by combining one of a lens and a reflector, and a plurality of antenna elements, a transmission and reception unit configured to emit a radio wave using, for at least one of transmission or reception, a partial antenna of a plurality of patterns configured by the antenna elements that are part of the plurality of antenna elements, and to receive a reflection wave obtained by reflection of the radio wave from an object, and a detection unit configured to detect the object based on the reflection wave received by the transmission and reception unit. | 09-25-2014 |
20140292554 | METHOD OF OPERATING A RADAR SYSTEM TO REDUCE NUISANCE ALRRTS CAUSED BY FALSE STATIONARY TARGETS - A method for operating a radar system on a vehicle to reduce nuisance alerts caused by a stationary structure proximate to the vehicle. The method includes determining a stationary count indicative of the number of targets detected by the radar system that are within a travel path of the vehicle and are classified by the radar system as stationary, and indicating that the vehicle is proximate to a stationary structure if the stationary count is greater than a count threshold. | 10-02-2014 |
20140300504 | ACTIVE PARK ASSIST OBJECT DETECTION - A method of assessing an area for parking a vehicle includes ultrasonically scanning the area to obtain ultrasonic data, radar scanning the area to obtain radar data, and determining whether to park the vehicle in the area based on both the ultrasonic data and the radar data. | 10-09-2014 |
20140313067 | Radar Device for an Automotive Radar System - A radar device for an automotive radar system includes a base, a first antenna module including a first transmitting antenna and a plurality of first receiving antennas for emitting a detection signal and generating a first signal receiving result, wherein the first antenna is fixed on the base, a second antenna module including a second transmitting antenna and a plurality of second receiving antennas for emitting the detection signal and generating a second signal receiving result, wherein the second antenna is fixed on the base, and a control system disposed in the base and coupled to the first antenna module and the second antenna module for outputting the detection signal to the first transmitting antenna and the second antenna and processing the first signal receiving result and the second signal receiving result. | 10-23-2014 |
20140327563 | METHOD OF DETECTING OIL SPILL AT THE SEA BY MEANS OF AN OIL SPILL RADAR, AND SUCH AN OIL SPILL RADAR - A method for detecting oil at the sea by means of a coherent oil spill radar with a transmitter and a receiver antenna includes the transmitter and receiver antenna being directed towards a sea surface in the near area out to a given distance of 1000-4000 m under a grazing angle of between 0.5 and 30 degrees, the transmitter antenna transmits at a frequency between 2 GHz and 18 GHz, and frequency modulated with an adjustable bandwidth and with a given transmitted effect less than 10 W. The transmitter antenna has a horizontal antenna lobe smaller than its vertical antenna lob. The transmitter and receiver antenna are controlled electronically to transmit and detect vertical polarization and horizontal polarization, with an adjustable modulation time of less than 4 ms between the polarizations. | 11-06-2014 |
20140333466 | PASSIVE DETECTION OF UNAUTHORIZED ELECTRONIC DEVICES USING WAFER SCALE BEAM FORMING - Systems and methods for screening, where a subject walks through or in front of a passive detector (or scanning unit) to be screened for possession of unauthorized electronics devices, provide for detecting and monitoring electronics systems not authorized to be used in secure areas. By focusing a very narrow beam width antenna array, individuals can be screened who may have concealed electronics devices that can pose danger to the surroundings. There is no need for removing clothing or accessories such as a jacket or backpack, for example. The detection system may include a frequency scanned passive receiver that captures a signal from a detected electronics device, measures its strength, and identifies the device or classifies it according to a pre-determined set of categories (e.g., cellular phone, camera, or global positioning system (GPS)). | 11-13-2014 |
20140333467 | OBJECT DETECTION DEVICE - An object detection device includes: a target information acquisition section that acquires information regarding a radar target detected by a radar and information regarding an image target detected by an image acquisition unit; and an object detection section that detects the presence of an object on the basis of whether or not each of a position of the radar target and a position of the image target are within a predetermined range. The object detection section determines whether or not the object is a pedestrian, and expands the predetermined range when it is determined that the object is a pedestrian from that when it is determined that the object is not a pedestrian. | 11-13-2014 |
20140361919 | SYSTEM AND METHOD FOR DISTRIBUTION FREE TARGET DETECTION IN A DEPENDENT NON-GAUSSIAN BACKGROUND - A method for target detection includes: receiving input data via an input signal; generating a histogram from the received data by a processor; rank-ordering the received data based on power or amplitude of the received input signal; comparing the ranked data received in a current time period to the ranked data received in a previous time period to calculate a Bivariate Conditional Exceedance function (BCEF); utilizing the calculated BCEF to estimate a Gumbel Copula parameter; accumulating a log-likelihood statistic from the estimated Gumbel Copula parameter and the generated histogram; comparing the log-likelihood statistic with a threshold value; and determining a detection of the target, when the log-likelihood statistic is below the threshold value. | 12-11-2014 |
20140368374 | RADAR APPARATUS AND ANTENNA APPARATUS - Disclosed are a radar apparatus and an antenna apparatus. In particular, disclosed are a radar apparatus and an antenna apparatus including an antenna structure capable of suppressing a grating lobe while enhancing resolution. | 12-18-2014 |
20150009061 | METHOD FOR VARIABLE CONTROL OF A ZONE SENSOR IN A COMBAT AIRCRAFT - The invention relates to a method for controlling a sensor in a combat aircraft ( | 01-08-2015 |
20150015434 | PERIPHERAL OBJECT DETECTION APPARATUS AND PERIPHERAL OBJECT DETECTION METHOD - A peripheral object detection apparatus that is installed in a vehicle to detect a peripheral object obstructing travel by a vehicle includes: a radar that obtains a reflection intensity by transmitting an electromagnetic wave and receiving an electromagnetic wave reflected by an object; and a determination unit that calculates an integrated value of an amount of variation in the reflection intensity within a predetermined section, obtained by the radar, and determines on the basis of the integrated value whether or not the object is a low object not obstructing travel by the vehicle. | 01-15-2015 |
20150029052 | QUANTUM HARMONIC RADAR - A quantum harmonic radar method includes comparing the determined timing or spacing of the detected hertzian waves with the pre-determined amplitude and frequency of the hertzian waves being transmitted from a transmitter, and by the comparison determining if the detected hertzian waves have a spacing therebetween is greater than a spacing between said transmitted hertzian waves having said pre-determined amplitude and frequency, whereupon signalling a presence in said transmission field of an electromagnetic energy absorbent object. | 01-29-2015 |
20150035694 | OBJECT DETERMINATION USING A RADAR SENSOR - A method for determining an object in a surroundings of a motor vehicle includes: scanning a far range, which extends as of a predetermined minimum distance from the radar sensor, using a radar sensor for scanning the far range; detecting objects in the far range based on reflections of a radar signal emitted by the radar sensor; and determining a crossing object in a close range, which lies between the radar sensor and the far range, if a previously detected object is no longer able to be detected in the far range using the radar sensor. | 02-05-2015 |
20150042503 | METHOD OF TARGET DETECTION - A method of target detection comprising transmitting a continuous wave (CW) waveform and a random step frequency (RSF) waveform from which return signals are to be monitored in a detection period, processing return signals received in the detection period based on the transmitted CW waveform to obtain Doppler shift data indicative of Doppler frequency shifts corresponding to one or more targets, and processing the return signals of the detection period based on the transmitted RSF waveform and the obtained Doppler shift data to obtain range information corresponding to one or more targets. | 02-12-2015 |
20150048965 | ACTIVE AND PASSIVE ELECTROMAGNETIC DETECTION WITH A LOW PROBABILITY OF INTERCEPTION - An active and passive detection device is provided with a low probability of interception having a fixed antenna structure, transmission means and reception means. The antenna structure is formed by a plurality of radiating elements grouped into identical subnetworks and comprises at least one transmission subnetwork and at least three reception subnetworks. The transmission means are capable of generating an unfocused continuous waveform having low peak power in one plane and of transmitting said waveform. The reception means are capable of detecting the targets following the formation of a plurality of directional beams on the basis of the signals received on the reception subnetworks. The reception means are likewise capable of implementing the interception of radar signals from other radar sources using cross correlation processing between the signals received on at least three reception subnetworks. | 02-19-2015 |
20150054672 | RADAR SIGNAL PROCESSING DEVICE, RADAR APPARATUS, AND METHOD OF PROCESSING RADAR SIGNAL - A radar signal processing device is provided, which performs a scan correlation in a polar coordinate system to secure accuracy of the scan correlation, and prevents a suppression of a target object moving at high speed due to the scan correlation. A polar coordinate correlator performs, in a polar coordinate system, a correlation between reception data and previous correlated data stored in a previous data storage. A trend curve calculating module calculates a trend curve of a distance-direction signal level of the reception data in the polar coordinate system. A target detecting module detects a target based on the signal level of the reception data and the trend curve. Further, the polar coordinate correlator changes the contents of the correlation of the reception data based on the target detection result from the target detecting module. | 02-26-2015 |
20150054673 | TARGET DETECTION APPARATUS AND PROGRAM - A first specifying-means specifies a first-region including a first detection-point, which is of a first-target on an X-Y plane on which a width direction of a vehicle is defined as an X-axis, and a longitudinal direction of the vehicle is defined as a Y-axis. A second specifying-means specifies a second-region including a second detection-point, which is of a second-target on the X-Y plane, based on a direction of the second detection-point and a target-width, which is a width along the X-axis of the second-target. A determination means determines that the first- and second-targets are the same, provided that an overlapping portion exists therebetween. An estimation means estimates a true-value target-width, based on the direction of the second detection-point and the first detection-point, provided that the first- and second-targets are the same. A correction-means corrects a position of the second-region specified next time by using the true-value target-width as the target-width. | 02-26-2015 |
20150061915 | RADAR APPARATUS - A radar transmitter Tx | 03-05-2015 |
20150077281 | DUMP TRUCK - A dump truck includes a vehicle body portion that includes an upper deck on which a cab is disposed and a frame which is disposed in a longitudinal direction, a vessel that is disposed above the frame, and a sixth imaging device that is disposed below the vessel at a rear end of the frame and can image the rear side of the vehicle body portion. The sixth imaging device is a wide dynamic range camera. | 03-19-2015 |
20150077282 | REAL-TIME, TWO DIMENSIONAL (2-D) TRACKING OF FIRST RESPONDERS WITH IDENTIFICATION INSIDE PREMISES - A combination of active reader tags and ultra wideband (UWB) radar systems provide real-time monitoring of first responders, with identification of each team member using active tags, and detection of victims or other subjects using motion or breathing detection, in a field of operations such as a building affected by fire or hazardous material or search and rescue mission area. Initially, a cluster of miniaturized radars (sensors) act in a static mode of operation, gathering static radar information used to depict a constructed layout of the premises. The cluster of radars then operate in a dynamic mode that detects motion or breathing of multiple subjects inside the field of operations. With dual mode operation the system can read the active tags identification, and by triangulation, display the position of each first responder with its identification and positions of subjects on a composite image of the constructed layout. | 03-19-2015 |
20150097713 | RADAR APPARATUS - A radar apparatus includes a change amount calculation section for obtaining, for each of a plurality of peaks of a first spectrum belonging to the same group, a peak value at the present point in time and calculating the difference between the peak value and a peak value obtained before the present point in time; a ratio calculation section for comparing the obtained difference with a predetermined difference threshold and calculating a ratio of the number of peaks whose differences are greater than the difference threshold to the number of all the peaks belonging to the same group; and a pedestrian determination section for determining that the object is a pedestrian when the calculated ratio is greater than a predetermined ratio threshold and at least one of peaks belonging to the same group differs from the remaining peaks in terms of the sign of the difference. | 04-09-2015 |
20150109163 | Target Detection System and Method - Some embodiments are directed to methods of detecting a target that include: receiving signals reflected from a target of interest, the signals having a bandwidth large enough to provide a plurality of range cells along an expected target, and processing the received signal(s) by (i) determining the phases of contiguous groups of range cells, the group size selected to approximate to sizes of targets of interest, (ii) phase-shifting the returns within a group to increase constructive interference and thereby signal power; and (iii) combining the phase shifted returns to produce phase-adjusted combined returns, and performing a detection on those combined returns. Some embodiments may provide enhanced target detection capabilities. The process may be repeated for different potential target sizes, and may be performed either on real time data, or off-line on recorded data, and is applicable to both radar and sonar. | 04-23-2015 |
20150109164 | TARGET DETECTION APPARATUS - A target detection apparatus includes a first target detection section which detects a target which exists ahead of a vehicle and has a height sufficient to strike against the vehicle; a second target detection section which detects the target in an area different from an area in which the target is detected by the first target detection section, and a reliability degree setting section which sets a target reliability degree indicating probability that the target exists. When the target is detected only by the first target detection section or the second target detection section, and after the target is detected by both the first and the second target detection sections, the reliability setting section sets the target reliability degree based on an overlap detection time which is a period of time during which both the first and the second target detection sections continuously detect the target. | 04-23-2015 |
20150123836 | OBSTACLES DETECTION SYSTEM - A wire detection apparatus comprises antenna means with a transmitter and a receiver, so devised as to form a pulsed radar system, further including polarization control means for controlling the polarization of waves transmitted and/or received through the antenna means, and processing means for identifying returns from wires according to wires' characteristic polarization echoes. The transmitted waves have a wavelength longer than the diameter of wires to be detected and identified. The transmitted waves preferably have a wavelength more than six times longer than the diameter of wires to be detected and identified. The apparatus is so devised as to detect wires suspended in the air. | 05-07-2015 |
20150130652 | SIGNAL PROCESSING DEVICE - The signal processing device in accordance with the present invention includes: a frequency analyzer to convert a sensor signal corresponding to a radio wave reflected by an object into a frequency domain signal, and extract, by use of a group of individual filter banks with different frequency bands, signals of the individual filter banks from the frequency domain signal; a normalizer to normalize intensities of the signal passing through the individual filter banks by a sum of the signals extracted by the frequency analyzer or a sum of intensities of signals passing through predetermined filter banks, and output normalized intensities; and a recognizer to perform a recognition process of identifying the object based on at least one of a frequency distribution and a component ratio of the normalized intensities calculated from the normalized intensities of the individual filter banks outputted from the normalizer. | 05-14-2015 |
20150130653 | VEHICLE DETECTING SENSOR ASSEMBLY - A vehicle detecting sensor assembly ( | 05-14-2015 |
20150145711 | RETRO-REFLECTIVE RADAR PATCH ANTENNA TARGET FOR VEHICLE AND ROAD INFRASTRUCTURE IDENTIFICATION - An onboard vehicle detection system for detecting roadway items of interest. The vehicle detection system includes a central controller and a detection system connectable to the vehicle and operably coupled to the central controller. The detection system outputs a detection signal. A target device is connectable to the roadway item of interest and configured to receive the detection signal from the detection system and output a unique return signal to the detection system. The detection system receives the return signal and transfers the return signal for processing to the central controller, whereby the central controller identifies the roadway item of interest and determines a responsive action. | 05-28-2015 |
20150293208 | CONSTANT FALSE ALARM RATE DEVICE FOR SIGNAL DETECTION SYSTEM - A constant fault alarm rate (CFAR) device for a signal detection system is disclosed herein. The CFAR device includes a first signal selection unit and a second signal selection unit. The first signal selection unit receives a last signal of a lagging sorting array and signals of one or more lagging guard cells, selects any one of the last signal of the lagging sorting array and the signals of the one or more lagging guard cell as a test signal based on a received guard cell size, and outputs the test signal. The second signal selection unit receives the test signal and signals of one or more leading guard cells, selects any one of the test signal and the signals of the one or more leading guard cells based on the guard cell size, and transfers this selected signal to the leading sorting array. | 10-15-2015 |
20150309167 | RADAR APPARATUS AND OBJECT DETECTING METHOD - A radar transmitter (Tx) transmits a radio-frequency radar transmission signal from a transmission antenna (Tx_ant | 10-29-2015 |
20150309168 | OBJECT DETECTION APPARATUS - In an apparatus for detecting and determining identicality of at least one object present within a region around a subject vehicle to be monitored, having a first detector adapted to detect the at least one object, a second detector adapted to detect the at least one object, and an identicality determiner adapted to determine whether the at least one object detected by the first and second detectors are identical, it is configured that the identicality determiner determines that, when the first detector detects the objects in a plural number in a first direction and the second detector detects the object in a single number in a second direction that is same as the first direction, one among the objects ahead and nearest to the subject vehicle detected by the first detector and the object detected by the second detector are identical. | 10-29-2015 |
20150309171 | RADAR APPARATUS - A radar apparatus includes a signal processor configured to: derive the target data set of the target, in a predetermined time cycle, based on a reception signal acquired by receiving a reflection wave from the target; detect, based on the target data set, a side wall along a current lane in which the host vehicle is traveling; determine whether or not there is a continuity between a previous target data set and a latest target data set, and in a case where there is no continuity between the previous target data set and the latest target data set, perform “extrapolation;” determine based on a frequency of the “extrapolation” whether or not the target associated with the target data set is an upper object overhead of the vehicle and with which the vehicle cannot collide. | 10-29-2015 |
20150323649 | METHOD AND DEVICE FOR SENSING SURROUNDING ENVIRONMENT BASED ON FREQUENCY MODULATED CONTINUOUS WAVE RADAR - Disclosed herein are a method and device for sensing a surrounding environment based on a frequency modulated continuous wave (FMCW) radar. The method for detecting a target based on an FMCW radar includes the steps of: the FMCW radar transmitting a sensing signal for detection of the target, and receiving a response signal in response to the sensing signal; the FMCW radar performing a signal processing on the response signal, and generating a frequency spectrum of a beat signal; the FMCW radar determining a detection frequency band for detection of the target within a valid frequency band of the frequency spectrum; the FMCW radar determining a threshold value to determine a target detection peak value for detection of the target among peak values of the frequency spectrum; and the FMCW radar detecting the target based on the detection frequency band and the threshold value. | 11-12-2015 |
20150331089 | FMCW RADAR APPARATUS - In a frequency modulated continuous wave (FMCW) radar apparatus, a transmitting section transmits a transmission signal and a receiving section outputs a beat signal. During this output period, a frequency-intensity property of a bias power supply voltage supplied from a power supply bias circuit is obtained. On the basis of determining whether or not the obtained frequency-intensity property satisfies a predetermined oscillation condition, it is checked whether or not there occurs oscillation in the power supply bias circuit. | 11-19-2015 |
20150338506 | FMCW RADAR DEVICE - In a FMCW radar device, a transmission unit transmits a transmission signal that has a rising portion in which the frequency successively increases and a falling portion in which the frequency successively decreases. A reception unit receives a reception signal resulting from the transmission signal being reflected by a target and outputs a beat signal based on the transmission signal and the reception signal. A control unit determines whether or not three or more targets that have the same relative speed are present at the same orientation among a plurality of targets extracted from a plurality of peak frequencies in each of the rising portion and the falling portion of the beat signal, and when determined that three or more targets are present, gives notification that oscillation has occurred in a power supply bias circuit that supplies power supply voltage to the transmission unit or the reception unit. | 11-26-2015 |
20150338513 | APPARATUS AND METHOD FOR DETECTING TARGET USING RADAR - The present invention suggests a target detecting apparatus and method using a radar which detect a target using a recursive modified cell average-constant false alarm rate (RMCA-CFAR) detector without having a sorting process. The present invention provides a target detecting apparatus using a radar, the apparatus including: a data selecting unit which compares reference data with at least one of previous data and subsequent data which are located at both sides of the reference data, from a received signal including information on a distance and a speed for multiple targets, to select specific data; a cell average calculating unit which calculates an average of cells extracted using a sliding window including the specific data; a CFAR data detecting unit which detects CFAR data based on the average of the extracted cells; and a target detecting unit which detects the target based on the CFAR data. | 11-26-2015 |
20150338514 | Radar Device - A radar apparatus is provided by which it is possible to detect a target at high resolution with a relatively small calculation amount without increasing the band width of a transmission signal. A FFT transform means carrying out a Fourier transform on a received signal received by a reception means into frequency spectrum data; a peak frequency detection means detecting a peak frequency of the frequency spectrum data acquired through the Fourier transform; a data extraction means extracting data near the peak frequency from the frequency spectrum data acquired through the Fourier transform, an inverse FFT transform means carrying out an inverse Fourier transform on the extracted data near the peak frequency into time base data; and a target detection means detecting the target by carrying out a high resolution process on the time base data acquired through the inverse Fourier transform are included. | 11-26-2015 |
20150355321 | FMCW RADAR APPARATUS - An FMCW (frequency modulated continuous wave) radar apparatus is provided. The apparatus transmits a transmission signal that includes a first frequency-rise time period whose frequency sequentially rises with a first modulated gradient, a first frequency-fall time period whose frequency sequentially falls with the first modulated gradient, a second frequency-rise time period whose frequency sequentially rises with a second modulated gradient different from the first modulated gradient, and a second frequency-fall time period whose frequency sequentially falls with the second modulated gradient. In the apparatus, frequencies of a plurality of peaks are specified in respect of each of beat signals obtained in response to the transmission. Using the specified plurality of peaks as objects, a notification is given as to the presence of oscillation in a power supply bias circuit, on the basis of that, of the groups each formed by extracting peaks in a manner of extracting one from each of the beat signals, there is a group in which all the peaks in the group are within the same frequency range. | 12-10-2015 |
20150364830 | INTEGRATED CIRCUIT PACKAGE WITH RADIO FREQUENCY COUPLING STRUCTURE - An integrated circuit package comprises an electrically conductive material, a first electrically isolating layer having a first side in contact with the electrically conductive material and a second side opposite to the first side, a second electrically isolating layer stacked at the second side with at least the first electrically isolating layer and arranged at a package side, and an integrated antenna structure arranged between the first electrically isolating layer and the second electrically isolating layer. The electrically conductive material is encapsulated by a dielectric material, arranged to partly overlap the integrated antenna structure, separated from the integrated antenna structure by at least the first electrically isolating layer and arranged to reflect a radio frequency signal received by the electrically conductive material through at least the first electrically isolating layer to the package side. | 12-17-2015 |
20160003936 | TARGET RECOGNITION APPARATUS - A target recognition apparatus of one embodiment is installed in a vehicle, and includes a data acquisition means which acquires received data from a transceiver having a plurality of transmission and receiving channels which transmit and receive radar waves; an image acquisition means which acquires image data from an image sensor which picks up an image of a state around an own vehicle; and a detection means which detects a target which has reflected the radar waves based on the received data and the image data. | 01-07-2016 |
20160018511 | Distributed Radar Signal Processing in a Radar System - A cascaded radar system is provided that includes a first radar system-on-a-chip (SOC) operable to perform an initial portion of signal processing for object detection on digital beat signals generated by multiple receive channels of the radar SOC, a second radar SOC operable to perform the initial portion of signal processing for object detection on digital beat signals generated by multiple receive channels in the radar SOC, and a processing unit coupled to the first radar SOC and the second radar SOC to receive results of the initial portion of signal processing from each radar SOC, the processing unit operable to perform a remaining portion of the signal processing for object detection using these results. | 01-21-2016 |
20160033629 | OBSTACLE DETECTION SYSTEM AND OBSTACLE DETECTION METHOD USING THE SAME - An obstacle detection system includes an electromagnetic wave emitting unit, a processing module, and an alerter. The processing module includes a storage unit, a calculating unit, a comparing unit, and a controlling unit. The storage unit is configured to store return loss values and reference values at different frequencies. The calculating unit is configured to calculate factual return loss values and the deviation values between the factual return loss values and the return loss values stored in the storage unit. The comparing unit is configured to compare the deviation values with the reference values and send a signal to the controlling unit upon determining that the deviation values are larger than the reference values. The controlling unit is configured to send a control signal to the alerter upon receiving the signal, and the alerter is configured to raise an alarm. The present disclosure further provides an obstacle detecting method. | 02-04-2016 |
20160047909 | RADAR DETECTION SYSTEM - A radar detection system that includes a signal transmitter, a signal receiver, a coupling module, two antennas and a switching module is provided. The coupling module includes a first and a second coupling paths each corresponding to a group of phase-shifting parameters. Under a first operation mode, the switching module connects the signal transmitter to the first coupling path to perform signal transmission from the two antennas along a first axis and connects the signal receiver to the second coupling path to perform signal receiving from the two antennas along a second axis. Under a second operation mode, the switching module connects the signal transmitter to the second coupling path to perform signal transmission from the two antennas along the second axis and connects the signal receiver to the first coupling path to perform signal receiving from the two antennas along the first axis. | 02-18-2016 |
20160054442 | Pre-warning Method and Vehicle Radar System - A pre-warning method utilized in a vehicle radar system includes a first and a second millimeter-wave detection modules detecting dynamic information of a plurality of first targets and a plurality of second targets corresponding to the vehicle radar system in different dimensions of an area and obtaining a first and a second detection results, determining whether there are identical targets within the plurality of first targets and the plurality of second targets according to the first and the second detection results, determining 3-D dynamic information of at least an identical target after determining that the plurality of first targets and the plurality of second targets include the at least an identical target, and determining whether to trigger an alarm signal according to the 3-D dynamic information of the at least an identical target. | 02-25-2016 |
20160109564 | SYSTEMS, METHODS, AND APPARATUS FOR LIVING OBJECT PROTECTION IN WIRELESS POWER TRANSFER APPLICATIONS - Systems, methods, and apparatus for living object protection in wireless power transfer applications are provided. In one aspect, an apparatus for detecting objects in a detection area of a wireless power transfer system is provided. The apparatus comprises a plurality of radar transceivers. The apparatus comprises at least one processor configured to receive radar data from the plurality of radar transceivers, detect an object in the detection area based on the received radar data, and adjust the detection area. The apparatus is configured to adjust the detection area based on at least one of a type of chargeable vehicle present, an amount of power being wirelessly transferred by the wireless power transfer system, an alignment of a vehicle with the wireless power transfer system, or a speed of the object approaching the detection area. | 04-21-2016 |
20160131752 | MIMO RADAR SYSTEM - Various exemplary embodiments relate to a method for detecting an object using radar system having M transmit antennas, N receive antennas, and a processor, including: receiving, by the processor, N×M digital signals, wherein the N receivers receive M received signals corresponding to M sequences of encoded transmitted signals resulting in N×M digital signals; processing the N×M digital signals to produce N×M first range/relative velocity matrices; applying a phase compensation to N×(M−1) first range/relative velocity matrices to compensate for a difference in range between the N×(M−1) first range/relative velocity matrices and the Mth range/velocity matrix; decoding the M phase compensated range/relative velocity matrices for the N receivers using an inverse of the transmit encoding to produce M decoded phase range/relative velocity matrices for the N receivers; detecting objects using the M range/relative velocity matrices for the N receivers to produce a detection vector. | 05-12-2016 |
20160131756 | PASSIVE MILLIMETER-WAVE DETECTOR - Disclosed are passive millimeter wave detection devices that in some embodiments are useful for detecting objects such as weapons obscured underneath clothing. Also disclosed are methods for detecting objects using millimeter waves, in some embodiments, objects such as weapons, obscured underneath clothing. | 05-12-2016 |
20160139254 | Short-Range Point Defense Radar - A multi-beam frequency-modulated continuous wave (FMCW) radar system designed for short range (<20 km) operation in a high-density threat environment against highly maneuverable threats. The multi-beam FMCW system is capable of providing continuous updates, both search and track, for an entire hemisphere against short-range targets. The multi-beam aspect is used to cover the entire field of regard, whereas the FMCW aspect is used to achieve resolution at a significantly reduced computational effort. | 05-19-2016 |
20160154097 | APPARATUS AND METHOD FOR DETECTION | 06-02-2016 |
20160154098 | APPARATUS AND METHOD FOR DETECTION | 06-02-2016 |
20160178739 | RADAR SYSTEM FOR VEHICLE AND OPERATING METHOD THEREOF | 06-23-2016 |
20160187529 | Human Body Security Inspection Apparatus - The present disclosure provides a human body security inspection apparatus, comprising: a base on which an inspected human stands; a millimeter-wave transceiver configured to perform a millimeter-wave scanning operation on the body of the inspected human standing on the base so as to detect whether or not the inspected human carries contraband and output a first signal; and a metal sensing detector arranged within the base and configured to detect whether or not there is a metallic foreign object in underside of a shoe of the inspected human and output a second signal. | 06-30-2016 |
20160195612 | RADAR ANTENNA ASSEMBLY WITH PANORAMIC DETECTION | 07-07-2016 |
20160202351 | OBSTACLE DETECTION DEVICE FOR WORK MACHINE | 07-14-2016 |
20160252609 | DETECTION OF OBJECTS | 09-01-2016 |
20160252610 | BLIND-SPOT RADAR SYSTEM WITH IMPROVED SEMI-TRAILER TRACKING | 09-01-2016 |
20160377703 | DETECTING PRESENCE, SIZE, AND DIRECTION OF MOTION OF AN OBJECT USING RADIO-FREQUENCY TECHNIQUES - Various embodiments transmit a radio-frequency (“RF”) beam using two or more RF antennas of a mobile device, e.g. a mobile phone. The RF signals that make up the RF beam are selected to create an emission pattern associated with object detection. Some of the RF antennas can be multi-purpose, where in addition to transmitting the RF beam, the antennas are used for RF communications. Upon receiving a reflected radiation pattern of the RF beam from an object, the reflected radiation pattern is analyzed to identify characteristics of the object. Depending upon what characteristics have been identified, one or more actions can be automatically performed. | 12-29-2016 |
20160377710 | SYSTEM AND METHOD FOR DETECTING TARGET OBJECT - A system for detecting a target object includes a first detector that detects an object by emitting radio waves and receiving reflected waves that are the emitted radio waves reflected by a target object, a second detector that detects heat generated by the target object, and an information collection apparatus that determines the presence or absence of the target object on the basis of the detected reflected waves and the detected heat, and the information collection apparatus determines the presence of the target object in a case where the first detector has detected a movement of the target object and the second detector has detected the heat. | 12-29-2016 |
20190146055 | OBJECT DETECTION | 05-16-2019 |