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7388655 |
High-precision laser rangefinder using burst emission
The present invention provides a rangefinder that has a light source for outputting a measuring beam, an AM modulation unit that modulates the measuring beam with a modulation signal, a light...
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7385681 |
Gas leakage monitoring method and its system
A gas leakage monitoring method and system capable of ensuring safety of a gas utilization facility by visualizing invisible-to-naked-eye leakage gas and/or flame of leakage gas into the form of an...
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7382441 |
Object detecting apparatus having light radiation power regulating function
An object detecting apparatus for a vehicle has a light radiation unit and a light receiver unit disposed in a case for detecting an object or a distance to the object. When a vehicle is at a stop,...
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7379016 |
Carrier phase detection system for radar sensors
A pulse detection system for expanded time radar, laser and TDR sensors detects specific cycles within bursts of cycles. A sensor transmits and receives short bursts of RF cycles. A transmit pulse...
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7375804 |
Single detector receiver for multi-beam LADAR systems
A LADAR apparatus and a method for use in receiving a LADAR signal are disclosed. The apparatus includes an optical pickup capable of picking up a plurality of optical signals; a timing...
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7365832 |
Laser range finder
A laser range finder measures the range between itself and another laser range finder by propagating a laser beam only in one way therebetween. A laser unit generates a short-pulse laser beam to be...
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7362420 |
Entangled-photons range finding system and method
A method of determining a distance to an object is presented. A first photon and a second photon are simultaneously generated. The first photon is reflected off an object. The second photon is...
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7352454 |
Methods and devices for improved charge management for three-dimensional and color sensing
TOF and color sensing detector structures have x-axis spaced-apart y-axis extending finger-shaped gate structures with adjacent source collection regions. X-dimension structures are smaller than...
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7349454 |
Method of monitoring and controlling a laser diode
A method of controlling a laser diode measures an average light output power of the laser diode and compares the average light output power to a desired average light output power within a target...
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7349074 |
Laser scanning and sensing device for detection around automatic doors
The present invention relates to a light scanner device ( 10 ) for measuring a range and an angular direction of a target object ( 56 ), the device ( 10 ) comprising a pulsed source ( 12 ) adapted...
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7342649 |
Handheld survey documentation system
A handheld computer which is connectable to an optoelectronic distance measuring device in an integrated manner so as to communicate bidirectionally therewith or connectable via a data interface,...
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7339655 |
Electric optical distance wavelength meter
It is an object of the present invention to provide an electric optical distance wavelength meter detecting the time when the switching is completed and shortening the time required for distance...
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7336345 |
LADAR system with SAL follower
A dual mode LADAR/SAL apparatus is disclosed. In one aspect, the apparatus includes a gimbal capable of scanning in azimuth and in elevation and a sensor mounted on the gimbal. The sensor includes...
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7330242 |
System for recording an object space
A system for recording an object space has a opto-electronic distance sensor which uses a signal propagation time method, and a transmitter for transmitting optical, signals, as well as a receiver...
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7324218 |
Method and device for distance measurement
The present invention relates to a device ( 10 ) for distance measurement, with at least one transmitting branch ( 14 ) with a transmission source ( 22, 24 ) for a measurement signal for emitting a...
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7323670 |
Laser operation for survey instruments
The performance of a laser scanner is optimized in the field by automatically determining appropriate laser parameters for the scan location. A laser control system uses information such as the...
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7312856 |
Programmable pulse capture device with automatic gain control
The invention an optical system and a method for automatically controlling the gain of a receiver in an optical system. The optical system includes an optical receiver, a pulse capture unit, and an...
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7307700 |
Ultra-linear signal processing for radar and laser radar
Systems, methods, and computer program products are provided for accurately measuring frequency-and/or-phase-related parameters of a sinusoidal signal that varies non-linearly in frequency or...
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7295290 |
Coherent laser radar
To obtain a coherent laser radar device that realizes high reliability and the high output of a transmitted light, the device includes a first optical coupler that branches a laser beam from a...
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7283214 |
Self-mixing laser range sensor
A laser range finder includes a laser and a photosensitive element. The laser projects a beam onto a target surface. A backscattered portion of the laser beam returns to the laser from the target...
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7283213 |
Method and system to correct motion blur and reduce signal transients in time-of-flight sensor systems
TOF system shutter time needed to acquire image data in a time-of-flight (TOF) system that acquires consecutive images is reduced, thus decreasing the time in which relative motion can occur. In...
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7283212 |
Vehicular radar device
A vehicular radar device detects an object within a detection area on the basis of detection data having a reception intensity exceeding a predefined threshold. The detection data is contained in...
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7271954 |
Binoculars with an integrated laser rangefinder
Binoculars having an integrated laser rangefinder has two separate housing parts ( 1, 2 ) with eyepieces ( 16, 17 ) and objectives ( 18, 19 ), which are connected to each other via a jointed bridge...
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7268880 |
Method and device for determining the dispersive effect on a measurement
Provided are methods and devices for measuring the dispersion along a line of sight, using spectral narrow-band light sources with multiple wavelengths, and atmospheric structures, both in the...
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7268858 |
TOF rangefinding with large dynamic range and enhanced background radiation suppression
A method for measuring time of flight of radiation includes emitting modulated radiation in response to a first modulation signal, projecting the modulated radiation onto a scene, receiving...
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7268857 |
Optical system for laser range finder
An optical system for a laser range finder comprises a laser emitter ( 5 ), a collimating lens ( 4 ) positioned in front of the laser emitter an optical receiver ( 3 ), a light receiving aspheric...
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7262402 |
Integrated imager circuit comprising a monolithic array of single photon avalanche diodes
An integrated imager circuit having a monolithic array of single photon avalanche diodes (SPADs) for capturing an image of a scene when said scene is hit by an optical pulse. The array has a...
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7259838 |
Optical beam separation element, measuring apparatus and method of measuring
An optical beam separation element for a measuring apparatus includes a reflecting component with a reflecting surface and an aperture for forming an optical channel common to the transmission and...
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7259837 |
Device for releasable fastening of an accessory and accessory for such a device
The invention is based on a device ( 10 ), in particular a laser distance measuring device, having a first mount for releasable fastening of a first accessory ( 18 ). It is proposed that the first...
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7248344 |
Surface profile measurement
An imaging system scans a light source output over an object to be imaged, and receives the reflected signal in a multi-region light detector, wherein different regions of the object to be imaged...
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7248343 |
Amplitude-weighted spatial coherent processing for LADAR system
A laser radar (LADAR) system is provided with amplitude-weighted spatial coherent processing. An amplitude-weighted sum of time domain signals arising from several detectors within a detector array...
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7248342 |
Three-dimension imaging lidar
This invention is directed to a 3-dimensional imaging lidar, which utilizes modest power kHz rate lasers, array detectors, photon-counting multi-channel timing receivers, and dual wedge optical...
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7245359 |
Vehicular radar system
A radar system of a vehicle has a zero-cross comparator, an integrator, and a sensor. The comparator compares a light reception signal output from each one of photoreceptive elements with a...
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7242462 |
Speed detection methods and devices
A speed detection method. A range finder acquires a specific number of distance measurement samples of an object during a period of time. A new unit of measurement larger than respective movement...
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7236234 |
Optical sensor arrangement
An optical sensor arrangement is protected against interfering environmental influences by a transparent cover. To avoid interfering reflections, a baffle with lamellae oriented in the direction of...
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7230683 |
Range finding device comprising an aiming device
The invention is based on a distance measuring device, in particular a handheld laser distance measuring device, with a control unit ( 12 ) disposed in a housing ( 10 ) and with a first aiming unit...
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7227620 |
Environment recognition system and mobile mechanism
An environment recognition system recognizes a substance moving in relative thereto, with using a modulated beam. A beam emitting means emits a beam. A beam scanning means scans the beam. A beam...
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7221438 |
Coherent laser radar apparatus
A coherent laser radar device is described which comprises a laser source ( 11 ), and two or more transceivers ( 84 ) are optically connected to the laser source by optical fiber cables ( 42, 48,...
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7215413 |
Chirped synthetic wave laser radar apparatus and methods
Chirped synthetic wave laser radar apparatus and methods are disclosed. In one embodiment, a system includes a laser source, a controller operatively coupled to the laser source and adapted to...
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7215412 |
Flagpole reflectors for laser range finders
A system and method are provided for determining a distance to a target. The method includes sending light, at a first time, to a light reflector mounted in a reflector device, receiving light...
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7212278 |
Method and device for recording a three-dimensional distance-measuring image
The invention relates to methods and devices for recording three-dimensional distance-measuring images of an object surface by measuring light propagation time using a short-term integrated...
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7209221 |
Method for obtaining and displaying information about objects in a vehicular blind spot
Method for obtaining information about objects in an environment around a vehicle in which infrared light is emitted into a portion of the environment and received and the distance between the...
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7206063 |
Optical range finder with directed attention
An optical range finder for determining the distance comprises a focusing optical member that focuses emitted electromagnetic radiation upon a micro-mirror array. A processor controls the...
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7202941 |
Apparatus for high accuracy distance and velocity measurement and methods thereof
A system and method for measuring a parameter of a target in accordance with embodiments of the present invention includes transmitting at least one signal towards a target and receiving at least a...
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7199867 |
Anti-interference speed detection methods and detectors thereof
A speed detection method is implemented in a speed detector comprising a range finder. First, a specific number of distance measurement samples of an object are acquired during a period of time...
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7199866 |
Handheld laser distance measuring device with extreme value measuring process
A handheld laser distance measuring device ( 1 ) and extreme value measurement process, including, in a first step, an input means ( 2 ) is actuated that triggers a measurement sequence, during...
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7196778 |
Circuitry and method for measuring time interval with ring oscillator
A circuitry for measuring a time interval with ring oscillator has a ring oscillator formed by a plurality of delay switching units, a counter and an encoder. Wherein, the ring oscillator generates...
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7196777 |
Global laser rangefinder profilometry
Two light beams from respective light-emitting devices (e.g., lasers or lamps) cross each other and strike a surface (e.g., of a fluid) at respective oblique orientations relative to the surface...
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7193692 |
Laser range finder and method to measure a distance
A laser range finder, including a transmitter, a receiver, a timing-counting module, and a processor is provided. The transmitter transmits a laser signal toward a target, and a reflected signal is...
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7193691 |
Active sensor receiver detector array for countermeasuring shoulder-fired missiles
A focal plane architecture is provided which includes direct reading of an array of infrared detectors, each coupled to its own threshold circuit, the output of which is coupled to one input of a...
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