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| Number | Title | Issue Date |
| 8149160 | Method and apparatus using non-contact measuring device to determine rail distance traveled A non-contact, distance traveled measurement system (DTMS) to calculate speed and distance traveled by a vehicle over rails—more specifically, by trains traveling on standard railroad tracks. Preferably, a pair of short range (near field) microwave-based transmitt... | 04/03/2012 |
| 8089394 | Continuous-wave field disturbance sensing system A field disturbance sensing system has an antenna, an oscillator producing a high-frequency signal, a first detector circuit, a second detector circuit, a combining network configured to couple the high-frequency signal to the antenna, and to couple the high-frequen... | 01/03/2012 |
| 7755534 | Radar sensor for receiving radar wave while judging existence of wave attenuator A radar sensor receives a radar wave signal through a radome in each of antennas while judging existence of an attenuating thing in a detecting unit. This unit extracts a maximum level channel from receiving channels assigned to the antennas every modulation period,... | 07/13/2010 |
| 7705772 | Traffic radar with target duration tracking A traffic radar utilizes digital signal processing (DSP) to determine targets based on signal strength histories. From these histories, a target vehicle having the strongest Doppler return signal is identified and its speed is displayed, and a target vehicle having ... | 04/27/2010 |
| 7688251 | Systems and methods for monitoring river flow parameters using a VHF/UHF radar station Systems and methods are described for monitoring the surface flow velocity and volume discharge of rivers and channels using a VHF/UHF radar located in operative relationship with a riverbank. This frequency region allows precise estimation and removal of the Bragg ... | 03/30/2010 |
| 7652618 | Method and system for determining velocity by using variable or distinct sampling rates A data processor applies transform processing to a first group of samples at a primary sampling rate, where the first group of samples is within a data window associated with at least one of the data blocks. A detector detects an estimated frequency shift between th... | 01/26/2010 |
| 7532153 | Velocity sensor and ground vehicle velocity sensor using the same There is provided a highly accurate velocity sensor having a reduced detection error. A sensor circuit unit generates an electromagnetic wave and emits it from a transmission antenna. Furthermore, a reception antenna receives a reflection wave from the ground and a ... | 05/12/2009 |
| 7498973 | Radar for ground speed measurement A radar transducer has a planar array antenna mounted on a plate portion of a housing with the microwave transceiver mounted on the opposite side of the plate and carrying a PCB defining the processing section for supplying an output to a cable. The plate portion sl... | 03/03/2009 |
| 7443335 | Radar system To obtain a radar system capable of obtaining an appropriate angular precision by calculating an angle error based on distributions of relative speeds and angles of reflecting points, and of obtaining the appropriate angular precision including an axis deviation ang... | 10/28/2008 |
| 7433805 | Pressure sensing systems for sports, and associated methods A system determines athletic performance. A pressure sensor senses change in elevation. A microprocessor processes signals from the pressure sensor to determine speed corresponding to the change in elevation. A display reports the speed to a user. ... | 10/07/2008 |
| 7425917 | Radar for detecting the velocity of a target A radar including a target measurement component, a differential velocity calculator and an overall velocity determination portion. The target measurement component transmits and receives an electromagnetic wave over a detection range repeatedly at measurement inter... | 09/16/2008 |
| 7411544 | System and method for determining patrol speed A system for processing radar data from two or more areas of interest is provided, such as for simultaneously processing vehicle speeds in the opposite lane in front of the patrol vehicle and in the opposite lane behind the patrol vehicle. The system includes an ant... | 08/12/2008 |
| 7409294 | Traffic alert police radar An enhanced police Doppler direction sensing radar detects possibly dangerous traffic conditions during certain vehicle maneuvers such as U-turns and returns to travel after roadside stops. By monitoring a host or primary vehicle speed, speed transitions, transmissi... | 08/05/2008 |
| 7400946 | Method and apparatus for measuring velocity of land vehicle using accelerometer and route guidance information data A method and apparatus for measuring the velocity of a vehicle are provided. An acceleration measurement received from an accelerator and RGI data received from an external information server are stored and an irregularity constant of the accelerator is determined. ... | 07/15/2008 |
| 7397416 | Police radar/laser detector with integral vehicle parameter display using a vehicle interface Calibration of an acceleration detector is initiated by a user depressable button such as a button indicating a vehicle is at rest and/or by the detector reading an OBDII vehicle communication protocol to determine the condition of the vehicle. Calibration permits m... | 07/08/2008 |
| 7372395 | Ground-speed measuring apparatus This invention provides a ground-speed measuring apparatus for a vehicle that can detect a velocity along the movement of the vehicle (in the fore direction), a velocity across the movement of the vehicle (in the athwartships direction), a side-skid angle of the veh... | 05/13/2008 |
| 7358862 | Radiosonde system, radiosonde system receiver and signal processing method in a radiosonde receiver This publication discloses a radiosonde system, a radiosonde system receiver and a signal processing method for use in a radiosonde system. The radiosonde system comprises at least one radiosonde (1) with means for acquisition of position and/or weather data ... | 04/15/2008 |
| 7355546 | Polarization and frequency diverse radar system for complete polarimetric characterization of scatterers with increased scanning speed A method and apparatus is provided, whereby a scanning, polarization and frequency diverse radar system measures the complete polarimetric characterization of weather targets without loss of scanning speed and without an additional ambiguity in the Doppler velocity ... | 04/08/2008 |
| 7340277 | Adaptive antenna for controlling the weighting on a plurality of antenna elements An optical subscriber system according to the present invention has an adaptive antenna having a plurality of antenna elements, for controlling the weighting on the antenna elements thereby to radiate beams that are adapted to radio wave environments, a position est... | 03/04/2008 |
| 7336223 | System and method for establishing the instantaneous speed of an object A system for establishing the speed, in a safe manner, of an object (1) which is travelling along a known trajectory, including a device (3, 7) for locating the object and direction of its movement, a receiver (6) for receiving a signal from a p... | 02/26/2008 |
| 7333046 | System and method for monitoring targets A system comprising a moving radar, a processing device, and a phase difference determination device is used to monitor a target. The moving radar has first and second phase centers that transmit and receive signals normal to a direction of movement of the radar. Th... | 02/19/2008 |
| 7333632 | Image authenticating methods To authenticate images taken by image capturing elements (3) of offending vehicles, for example, when exceeding the authorized speed, provided elements are provided for allowing informative data on the offence to be supplied, such as the speed of the vehicle,... | 02/19/2008 |
| 7320430 | Variable rate toll system A method and system are provided in which average vehicle speeds of tolled and non-tolled road segments between two locations are monitored and saved for reference in providing dynamic adjustment of the toll amount to be charged for use of the tolled segment in orde... | 01/22/2008 |
| 7321330 | Ball measuring apparatus The present invention provides a ball measuring apparatus capable of measuring a trajectory of a ball from a hitting position to a landing position, the landing position and a stop position. A ball measuring apparatus 100 according to a first embodiment inclu... | 01/22/2008 |
| 7317417 | Methods for detection and tracking of targets The present invention relates to active sensor applications, and more particularly is directed to efficient systems and methods for detection and tracking of one or more targets. The invention provides a method for receiving signals reflected from one or more target... | 01/08/2008 |
| 7310061 | Velocity sensor and ground vehicle velocity sensor using the same There is provided a highly accurate velocity sensor having a reduced detection error. A sensor circuit unit generates an electromagnetic wave and emits it from a transmission antenna. Furthermore, a reception antenna receives a reflection wave from the ground and a ... | 12/18/2007 |
| 7310440 | Replacement sensor model for optimal image exploitation A replacement sensor model for optimally exploiting imaging data obtained by an image sensor. The replacement sensor model includes a ground-to-image function such as a polynomial for converting three-dimensional ground point data to two-dimensional image (pixel) da... | 12/18/2007 |
| 7302267 | Apparatus and method for estimating a velocity of a mobile terminal in a mobile communication system A Base Station (BS) apparatus for estimating a velocity of a Mobile Station (MS) in a mobile communication system includes a channel estimator for performing channel estimation according to a velocity band, receiving a wireless channel signal from the MS, and perfor... | 11/27/2007 |
| 7295154 | Vehicle obstacle warning radar A method for detecting an object using a transmitting antenna and an array of receiving antennas. The method comprises the step of transmitting a signal from the transmitting antenna. The magnitude and phase of a respective received signal at each of the receiving a... | 11/13/2007 |
| 7295148 | Radar system with RCS correction There is provided a radar system having an input amplitude correcting function in which even when a large reflection wave exceeding a dynamic range of an A/D converter is inputted, an RCS calculation without a time lag can be executed at high precision, high reliabi... | 11/13/2007 |
| 7292178 | Aircraft hazard detection and alerting in terminal areas A weather radar system or method can be utilized to determine potential weather hazard for an aircraft in a terminal area. The weather radar system can utilize processing electronics coupled to an antenna. The processing electronics can determine presence of the pot... | 11/06/2007 |
| 7277739 | Communication device A communication device. The communication device comprises a body, a circuit board, an antenna unit and a cap. The body is host receiving the circuit board therein, and the antenna unit electronically connected to the circuit board is located at one side of the body... | 10/02/2007 |
| 7265710 | Multipath height finding method A method for determining the height HT of a target above a surface, the method comprising the steps of determining a distance R from a source to a target, determining a distance L representative of a distance traveled by a signal from the target that is r... | 09/04/2007 |
| 7259714 | Unique space time adaptive system (USS) A method of detecting radar returns and measuring their parameters with or without clutter present and no clutter cancellation employed which includes transmitting at least one pulse; processing the returns surpassing a threshold detected in one range azimuth bin an... | 08/21/2007 |
| 7227494 | Vehicular traffic surveillance doppler radar system A vehicular traffic surveillance Doppler radar system and method for use of the same are disclosed. In one embodiment, the system comprises a modulation circuit portion for generating modulated FM signals. An antenna circuit portion transmits the modulated FM signal... | 06/05/2007 |
| 7227495 | Radar fill-level sensing device A radar fill-level sensing device has a high-frequency unit that serves to generate and process radar signals of a predefined frequency and wavelength, an antenna for transmitting and/or receiving the radar signals, as well as circuitry, provided on a circuit board.... | 06/05/2007 |
| 7221311 | Radar A radar includes a transmitter circuit, a receiver circuit, an antenna and a circulator. The receiver circuit includes a low-noise amplifier which amplifies a received signal fed from the antenna through the circulator. A local oscillator provided in the receiver ci... | 05/22/2007 |
| 7218274 | System and method for detection and tracking of targets System and method for detection and tracking of targets, which in a preferred embodiment is based on the use of fractional Fourier transformation of time-domain signals to compute projections of the auto and cross ambiguity functions along arbitrary line segments. T... | 05/15/2007 |
| 7218271 | System and method for determining patrol speed A system for processing vehicle speed data for a vehicle is provided. The system includes a front antenna assembly of the vehicle generating a front digital signal, and a rear antenna assembly of the vehicle generating a rear digital signal. A fast Fourier transform... | 05/15/2007 |
| 7215278 | Radar frequency hopping Apparatus and methods for adjusting or “hopping” the center frequency or the pulse repetition frequency of a radar system improve the co-locatability of multiple radars commonly located in a region. In a Time Domain Downconversion (TDDC) or Ultra-Wideband (UWB) ... | 05/08/2007 |
