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| Number | Title | Issue Date |
| 8184271 | Differentiation of flow cytometry pulses and applications A method of analyzing pulses from a flow cytometer in which particles in a fluid pass through an excitation volume of an electromagnetic radiation and interact with the electromagnetic radiation to generate signals in the form of pulses includes generating a time-de... | 05/22/2012 |
| 8149392 | Method and apparatus for reducing handoff inaccuracies in a countermeasures system A method for reducing handoff inaccuracies in a DIRCM countermeasures system comprising the step of adding a second on-axis camera to the DIRCM countermeasures system. ... | 04/03/2012 |
| 8139206 | Method and arrangement to determine a wind-speed A method and an arrangement are provided to determine the speed of the wind, which acts on a wind-blade of a wind-turbine. An optical-signal with a known frequency is sent from an optical-transmit-unit to a joint measurement volume. The optical-signal is scattered a... | 03/20/2012 |
| 8134693 | Traffic violation detection, recording and evidence processing system A traffic violation or event detection, recording and processing system and method is disclosed which includes at least one camera (20 and 30) for monitoring a region under surveillance (31 and 33); means for supplying independently sourc... | 03/13/2012 |
| 8125622 | Lidar measurement device with target tracking and method for use of same A Lidar measurement device for vehicular traffic surveillance and method for use of same are disclosed. In one embodiment, video circuitry acquires video of a field of view having a target therein. A steerable laser progressively scans the field of view to identify ... | 02/28/2012 |
| 8120756 | Laser doppler velocity system for variable beam focusing Disclosed is a laser doppler velocity system that can easily change a focal length of laser beam, in order to measure the velocity of fluid. As the fluid lens is used in order to focus the laser beam, the lens aperture is rapidly and accurately changed at a low powe... | 02/21/2012 |
| 8120757 | Remote lens unit assembly for laser doppler velocimeter An assembly structure and method for housing a remote lens unit assembly of a laser Doppler velocimeter. The housing includes one or more transceiver telescopes and an optical window. The transceiver telescopes are aligned such that optical beams from the mounted op... | 02/21/2012 |
| 8120755 | Method of correcting a volume imaging equation for more accurate determination of a velocity field of particles in a volume The subject matter of the invention is a method of correcting a volume imaging equation for more accurate determination of a velocity field of particles in a volume, said volume being captured from different directions by at least two cameras, a coarse calibration o... | 02/21/2012 |
| 8098367 | Laser slope adjustment Tools and techniques for estimating elevations, including without limitation tools and techniques that employ mobile stations with laser detectors for receiving a beam emitted from a laser source and estimating an elevation of the mobile station based on the receive... | 01/17/2012 |
| 8064047 | Method and apparatus for contactless determination of a lateral offset relative to a straight-ahead direction Method and apparatus for contactless determination of lateral offset relative to a straight-ahead direction when an object moves relative to an object with a stochastic surface structure, in which the surface structure is imaged on at least two similar photosensors ... | 11/22/2011 |
| 8045140 | Method for multivariate analysis of confocal temporal image sequences for velocity estimation A method of determining individual velocity associated with one or more molecular species moving through a fluid medium involves obtaining multiple temporal images of the one or more species moving through the medium, analyzing the temporal images using multivariate... | 10/25/2011 |
| 8040493 | Thermal flow meter A thermal flow meter for use in dialysis is described, that uses a thermal wave to generate a signal in the fluid for which the flow rate is to be measured. The phase angle of the thermal wave signal changes when traversing downstream. The phase difference between t... | 10/18/2011 |
| 7999926 | Method and device for determining anemometric parameters of an aircraft A method and device for determining anemometric parameters of an aircraft. The device (1) comprises four laser anemometers (A1, A2, A3, A4) that are mounted in pairs (CA, CB) symmetrically on the aircraft and means (4, 5) fo... | 08/16/2011 |
| 7982862 | Line of sight wind speed detection system The invention is a line of sight wind detection system that has a laser with an output that is directed at a target. The system also has a receiver with a Hartmann aperture array receiving a reflected beam impinging on the Hartmann aperture array. A multiple pixel s... | 07/19/2011 |
| 7948613 | Optical device for measuring moving speed of an object relative to a surface The invention relates to sensors of the speed of movement of a vehicle over the ground. The sensor comprises illumination means for illuminating the surface and at least one optical sensor able to detect the radiation returned by the surface. The illumination means ... | 05/24/2011 |
| 7944549 | Optical screen, systems and methods for producing and operating same There is provided a system for forming an optical screen, including a continuous wave or pulsed laser transmitter for transmitting a beam of radiation at a predetermined wavelength and forming a planar or curved surface to be traversed by a moving object, at least o... | 05/17/2011 |
| 7936450 | Opto-electrical sensor arrangement The invention relates to an opto-electronic sensor arrangement (10) with an optical transmitter (20) and an optical receiver (30), such that the optical transmitter (20) and the optical receiver (30) are so positioned that they eit... | 05/03/2011 |
| 7933002 | Method and lidar system for measuring air turbulences on board aircraft and for airports and wind farms The invention relates to a method for measuring air turbulences with a lidar system, particularly on board aircraft during which a pulsed expanded laser beam (12) of a predetermined wavelength is emitted up to a spatial area and light backscattered from this ... | 04/26/2011 |
| 7929119 | Image pickup device for detecting moving speed of shot object and method thereof An image pickup device for detecting a moving speed of a shot object and a method thereof are described. First, a coordinate of the image pickup device and a coordinate of the shot object are obtained at a first time point. Next, a coordinate of the image pickup dev... | 04/19/2011 |
| 7920250 | System for the detection by a motor vehicle of a phenomenon that interferes with visibility A process for the detection from a vehicle of a visibility interference phenomenon, comprising the following steps: the emission of a beam of light to illuminate the rear of the vehicle, the beam of light being emitted into a field of vision of a camera mounted in t... | 04/05/2011 |
| 7920251 | Integrated still image, motion video and speed measurement system Devices capable of capturing still and motion imagery are integrated with an accurate distance and speed measuring apparatus. By measuring the changing distance of the target over that time, a target's speed can be determined. At substantially the same time as the t... | 04/05/2011 |
| 7911591 | Optical transit time velocimeter An L2F velocimeter comprises a probe for insertion into a fluid, the probe having an open area therein to allow the fluid to pass through. The probe comprises an illumination system to direct a pair of light beams, separated by a distance, through the open area, and... | 03/22/2011 |
| 7911590 | Method and system for measuring the speed of blood flow The invention relates to a method for measuring the speed of a particle such as a red blood cell moving inside a flow such as a flow of the blood, using a light scanning microscope. The inventive method comprises the following steps: acquisition of an image by x and... | 03/22/2011 |
| 7911592 | Method and system for identifying moving object, and method and system for inspecting moving object by radiation imaging Disclosed is a method for identifying a moving object, comprising: a driving-in step of moving a moving object into a passage, a velocity measuring step of measuring a moving velocity of the moving object, a light beam emitting step of emitting light beams from one ... | 03/22/2011 |
| 7889328 | System and methods for detecting turbulence based upon observations of light scintillation Systems and methods are provided for detecting turbulent air located between a light source and an observer based upon the scintillation of light produced by the light source. An optical sensor associated with the observer is configured to receive the light and to p... | 02/15/2011 |
| 7869008 | Device of detecting light reflecting speed and direction, and method thereof A device of detecting light reflecting speed and directions includes a light source, a light-guided pulley, a reflector, photo detectors, barriers, a processor and a display unit. The light source generates incident light, the light-guided pulley is located at one s... | 01/11/2011 |
| 7864305 | Self-contained underwater velocimetry apparatus A velocimetry apparatus and method for the collection of target-specific images of fluid motions are disclosed. The apparatus includes a camera and a light source. The camera collects and provides images of the fluid showing instantaneous positions of particles in t... | 01/04/2011 |
| 7847923 | Differentiation of flow cytometry pulses and applications A method of analyzing pulses from a flow cytometer in which particles in a fluid pass through an excitation volume of an electromagnetic radiation and interact with the electromagnetic radiation to generate signals in the form of pulses includes generating a time-de... | 12/07/2010 |
| 7834986 | Velocimeter A velocimeter is disclosed that includes a plurality of photodetectors detecting scattered light in different directions, the light being emitted from a laser source and reflected on a moving object. The velocimeter includes an analog-to-digital conversion unit conv... | 11/16/2010 |
| 7817254 | Obtaining information from time variation of sensing results Sensing results from moving objects, e.g. from photosensing emanating light or from impedance-based sensing, can indicate sensed time-varying waveforms with information about objects. For example, a sensed time-varying waveform can be compared with another waveform,... | 10/19/2010 |
| 7760338 | Method for the detection of an object and optoelectronic apparatus The present invention relates to a method for the detection of an object by means of an optoelectronic apparatus, wherein light rays generated by a light source are incident onto an object as a light bead and the light rays scattered back and/or reflected from the o... | 07/20/2010 |
| 7746450 | Full-field light detection and ranging imaging system Apparatuses and methods determine positional information from a reflected optical signal for an object on a per pixel basis. A spread spectrum imaging system includes a transmitting module transmitting a transmitted optical signal that illuminates a target space and... | 06/29/2010 |
| 7742153 | Miniature opto-mechanical anemometer An opto-mechanical anemometer is particularly adapted to measure fluctuations in the flow of a turbulent fluid such as can be applied in the measurement of wind turbulence for meteorological purposes, the turbulent flow of fluid through a pipe or conduit, or the flo... | 06/22/2010 |
| 7738084 | Fiber optic liquid mass flow sensor and method A method and apparatus are provided for sensing the mass flow rate of a fluid flowing through a pipe. A light beam containing plural individual wavelengths is projected from one side of the pipe across the width of the pipe so as to pass through the fluid under test... | 06/15/2010 |
| 7710549 | Apparatus for detecting speed of movable body and drive stage using the same A movable-body-speed-detecting apparatus includes a movable body capable of moving linearly and/or circularly, a plate fixed to the movable body, the plate having a predetermined length in a direction in which the movable body moves, and light emission/reception mea... | 05/04/2010 |
| 7705971 | System and method for determining crosswinds A system and method for measuring crosswinds includes using a laser to send a signal on a signal path, and receiving response signals backscattered off of aerosols or other materials in the atmosphere along the signal path. Wavefronts of the received responses are p... | 04/27/2010 |
| 7701560 | Displacement Speed Measurement Method The measurement method of the displacement speed of a moving element with respect to a fixed element is performed by means of an optic measuring device comprising a first reference sensor and a plurality of distinct second measurement sensors substantially aligned a... | 04/20/2010 |
| 7684020 | Sensor system and method for detecting and identifying rapidly moving objects A relatively low-cost sensor can accurately detect, identify and track rapidly moving objects such as missiles, rocket propelled grenades (RPGs), mortars, explosive-driven fragments, bullets, shells, sports projectiles (baseballs, golf balls, tennis balls, arrows, e... | 03/23/2010 |
| 7671972 | Optical sensing methods and apparatus A method of sensing movement or proximity of objects by optical reflection is provided. The method includes the steps of transmitting a train of optical pulses towards a destination, sensing optical pulses reflected from the destination, and sensing and evaluating m... | 03/02/2010 |
| 7652754 | Feature detecting vision sensor A visual sensor for generating an array of binarized feature signals based on a visual field is provided. The visual sensor comprises an array of photoreceptor circuits capable of generating photoreceptor signals based on the visual field, an array of feature detect... | 01/26/2010 |
