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| Number | Title | Issue Date |
| 7974813 | Identifying vegetation attributes from LiDAR data Aspects of the present invention are directed at using LiDAR data to identify attributes of vegetation. In this regard, a method is provided that identifies the location of individual items of vegetation from raw LiDAR data. In one embodiment, the method includes se... | 07/05/2011 |
| 7720629 | Method and system for measuring flow layer velocities using correlation velocity measuring sonar The present invention discloses a method and a system for measuring flow layer velocities using correlation velocity measuring sonar. The present invention provides a new theoretical expression for fluid medium sonar array temporal and spatial correlation function, ... | 05/18/2010 |
| 7409323 | Method for detecting a spatial random process using planar convex polygon envelope A method is provided for automatically characterizing data sets containing data points, which may be produced by measurements such as with sonar arrays, as either random or non-random. The data points for each data are located within a Cartesian space and a polygon ... | 08/05/2008 |
| 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 |
| 7289914 | Ultrasonic flowmeter and ultrasonic flowmetering method An ultrasonic flowmeter casts an ultrasonic pulse toward a measurement line ML, processes ultrasonic echo signals, and calculates the position and speed of each ultrasonic reflector positioned along the measurement line ML by analyzing the ultrasonic echo signals su... | 10/30/2007 |
| 7269538 | Method for sparse data two-stage stochastic mensuration A method is provided for characterizing sparse data as either signal or noise. In one embodiment, a two-dimensional area which contains a distribution of data points of the sparse data from a selected time period is divided into equal size cells wherein each cell ha... | 09/11/2007 |
| 7268675 | Method and arrangement for the preventive protection of vehicle passengers in dangerous situations To protect vehicle occupants in dangerous situations, the distance of the vehicle to a roadside object, such as a guardrail, etc., is determined and compared to a critical distance. If the actual distance is less than the critical distance, alarm devices are trigger... | 09/11/2007 |
| 7248991 | Method and device for detecting a rotational speed, especially the rotational speed of the wheel of a vehicle The invention relates to a method and an apparatus for measuring a rotational speed, in particular a rotational speed of a wheel of a motor vehicle, by means of a speed sensor, wherein the speed sensor produces an output signal characterizing the actual rotational s... | 07/24/2007 |
| 7165009 | Apparatus, method and articles of manufacture for velocity and bearing determination of an object A sensor front end is disclosed that is able to discriminate objects based on their range from the sensor and to derive bearing information therefrom. The sensor system includes a signal source for transmitting at least a first and a second sensor signal toward the ... | 01/16/2007 |
| 7123972 | Driver's information system for a vehicle A driver's information system is provided which comprises a user interface module, a function module, and a control unit. The user interface module comprises at least one component, a state of which can be changed by manipulation of a user, and it is configured to d... | 10/17/2006 |
| 7119734 | Target determination apparatus, target judgment apparatus, and determination aid apparatus A target determination apparatus for determining type of a target, includes a transmission unit, a reception unit, and a determination unit. The transmission unit emits an electromagnetic wave. The reception unit receives the electromagnetic wave reflected at the ta... | 10/10/2006 |
| 7098775 | System to avoid the collision of a vehicle with animals A system and a method avoids the collision of a vehicle with animals tending to cross the road before the moving vehicle. Such system comprises a visual system directly actuating a RF emitter, or more RF emitters, emitting directional sound waves with a frequency ab... | 08/29/2006 |
| 6985827 | Speed measurement system with onsite digital image capture and processing for use in stop sign enforcement A speed measurement system for measuring speeds of vehicles, capturing images of vehicles, and detecting violation of stop sign and traffic signal laws. The system includes a laser speed detector for determining a speed of a vehicle adjacent a stop sign. When a spee... | 01/10/2006 |
| 6980920 | Embedded sensor system for tracking moving objects A method and apparatus describing a device for tracking moving objects or persons are taught. The invention is an embedded system using a series of sensors such as light sensors along a passageway to determine some movement characteristics such as number, size, dire... | 12/27/2005 |
| 6970103 | System and a method for event detection and storage An event detection and storage system comprising: a vehicle detection device connected to an input vehicle, a traffic sign red light detector, a registered vehicles monitoring array, a control module that manipulates an infraction film in association with the regist... | 11/29/2005 |
| 6961665 | Power management mechanism for loop powered time of flight and level measurement systems A loop powered level measurement and time of flight ranging system with power management. The level measurement system includes a controller, a transducer for distance ranging, a power supply, and a power management stage. The power management stage comprises a shun... | 11/01/2005 |
| 6948750 | Collision sensor for vehicle bumper A collision sensor comprises a sensing element to be arranged on a vehicle bumper element, and an elastic profile. The elastic profile comprises at least one hollow chamber for accommodating said sensing element and at least one clip means for positively interlockin... | 09/27/2005 |
| 6941196 | Modified three lobe search method A method of finding a vertical velocity of a vehicle by first forming two cost functions from three pulse return times. An independently determined approximate vertical velocity and a Fletcher-Powell estimation technique are used on the first cost function, to selec... | 09/06/2005 |
| 6885968 | Vehicular exterior identification and monitoring system-agricultural product distribution A vehicle including a ground speed sensor arranged to detect the speed of travel of the vehicle on the ground and including a wave transmitter arranged to transmit waves toward the ground, a wave receiver arranged to received waves reflected from the ground and a pr... | 04/26/2005 |
| 6819263 | Vehicle speed verification device A vehicle speed verification device includes a housing including a display screen for illustration a vehicle speedometer. The housing is electrically connected to a vehicle transmission and a vehicle speedometer. The display screen preferably includes a LED meter an... | 11/16/2004 |
| 6775605 | Remote sensing based pre-crash threat assessment system A pre-crash assessment system (1) includes a host vehicle (3) in motion and a high frequency sensor (4), which detects position and relative velocity of a target object in the near zone of the host vehicle (3). A safety device actuator ( | 08/10/2004 |
| 6681195 | Compact speed measurement system with onsite digital image capture, processing, and portable display A compact speed measurement system for field or onsite use in measuring speeds of vehicles and capturing images of select vehicles. The system includes a laser speed detector for determining a speed of a vehicle in a specific target area. When a speed is ... | 01/20/2004 |
| 6651028 | Multi-purpose sensor and data link Modulating digital data onto a carrier frequency and then amplitude modulating the result with a waveform of a different frequency permits measuring position and velocity of an elevator cab while transmitting digital data to the cab.... | 11/18/2003 |
| 6594614 | Vehicle back-up aid system A warning system that warns an operator of an impending collision with an object while the operator is backing up. The system scans behind the vehicle with an emitter/sensor system and determines a time-to-collision with the object based on distance to th... | 07/15/2003 |
| 6577267 | Device and method for contactlessly measuring speed on surfaces A device for non-contractual measurement of the speed of an object moving over a surface comprises a means for radiating a signal of fixed frequency at an angle onto the surface in or against the direction of motion, said angle being variable by the movem... | 06/10/2003 |
| 6502053 | Combination passive and active speed detection system A combination passive and active detection system including a passive speed and range detection system able to sense the speed and range of a moving object and an active speed detection system able to sense the speed and range of a moving object. The pass... | 12/31/2002 |
| 6338028 | Ultrasonic sensor system and method having input capture for echo processing An ultrasonic sensor system (36) has a transducer (40) that emits an ultrasonic signal (54), in response to an electrical excitation signal (52) from driver/receiver circuitry (42), and outputs an electrical response signal (58), in response to receipt of... | 01/08/2002 |
| 6272443 | Accurately measuring vehicle speed between fixed points of a path The invention concerns a test procedure for measuring the speed of individual objects, in which the test objects (5) are recorded one after another by three sensors (1, 2, 3) arranged on the trajectory. The time that the test object takes to go the distan... | 08/07/2001 |
| 6266627 | Method and apparatus for determining the speed and location of a vehicle Disclosed is a method and apparatus for measuring the speed of a vehicle by transmitting a wave beam directed at the vehicle, receiving a part of the wave beam reflected by the vehicle, comparing the reflected beam part with the transmitted wave beam and ... | 07/24/2001 |
| 6230107 | Vehicle speed detection system Correction for compensating for errors caused by the pitching movement of a vehicle is executed with high accuracy at low cost. The ground speed of the vehicle sensed by a Doppler sensor is corrected with angular velocities with respect to the center of g... | 05/08/2001 |
| 6009380 | Technique for eliminating ambiguity when making pulse-echo timing measurements A method of measuring in a material a time-of flight of a signal having a first signal burst and a second signal burst, the first signal burst having a first set of cycles and the second signal burst having a second set of cycles. The method includes iden... | 12/28/1999 |
| 5990676 | Method and apparatus for detection of a moving speed of a mobile terminal in mobile communication In accordance with the present invention, there is provided a method and apparatus for detecting a moving speed of a mobile terminal in a mobile communication utilizing time division multiple access system, wherein a measurement is made for a variation in... | 11/23/1999 |
| 5935190 | Traffic monitoring system A traffic monitoring system has a common housing for a Doppler radar transceiver, a video camera, and a digital computer for processing the Doppler signal. The system also includes a video cassette recorder, a high-speed photographic camera, and a laptop ... | 08/10/1999 |
| 5930739 | Method for measuring the yaw velocity of a vehicle Method of measuring the yaw velocity of a vehicle. An estimate of the yaw velocity is made by either a gyrometer or a steering angle sensor. This estimate is selectively readjusted when a fixed obstacle is sensed using periodic updates of the longitudinal... | 07/27/1999 |
| 5912822 | Frequency domain processing of Doppler signals in a traffic monitoring system Frequency domain processing is used to determine rapidly whether false signals are present, and to improve the accuracy of speed measurements by rejecting speed measurements that could be inaccurate due to the presence of false signals. A Doppler signal r... | 06/15/1999 |
| 5826216 | Anticipatory collision sensor system An anticipatory object detection system includes a transducer device for transmitting a modulated carrier signal and receiving the reflected modulated carrier signal from an object; a detection device for detecting a plurality of Doppler shifted harmonic ... | 10/20/1998 |
| 5777892 | Doppler shift velocity measuring system with correction factors To determine the average velocity of a fluid stream, an ultrasonic signal is transmitted into the fluid and reflected ultrasonic signal received. The signals are mixed with a frequency of the transmitted ultrasonic signals. A Fourier transform is performe... | 07/07/1998 |
| 5491648 | Ultrasonic measuring system An ultrasonic measuring system detecting state informations of a vehicle other than a vehicle speed. An ultrasonic transducer TR1 directly detects the vehicle speed. A second ultrasonic transducer and a third ultrasonic transducer are disposed respectivel... | 02/13/1996 |
| 5475620 | Ultrasonic measuring system An ultrasonic measuring system for a vehicle is composed of first and second ultrasonic transducing assemblies TR1 and TR2. Each transducing assembly TR1, TR2 has three ultrasonic transducers TR11, TR12, TR13, TR21, TR22, TR23 which are separated from eac... | 12/12/1995 |
| 5307293 | Apparatus for measuring speed An apparatus for measuring speed with respect to an object comprises first to Nth sensors sensitive to energy received from first to Nth consecutive regions, respectively, of the object. Signal delay means are provided to delay the signals from the second... | 04/26/1994 |
