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8184267 |
Surveying instrument
The present invention provides a surveying instrument provided with a tracking function, said surveying instrument comprising a first image pickup means 40 with a first solid image pickup element...
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7957562 |
Method and apparatus for ground detection and removal in vision systems
A vision system that forms a map of a scene proximate a platform, e.g., a vehicle, that determines the actual ground plane form the map, and that corrects the map for differences between the actual...
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7783612 |
Creation of optimized terrain databases
Systems and methods for generating an optimized terrain database identify several regions, including test regions that are established from the identified regions. A first set of terrain data is...
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6972834 |
Optical distance sensor
An optical distance sensor includes a first substrate provided with a light emitting element and a light detecting element, a one-piece optical structure body on a second substrate, the optical...
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6782118 |
System for measuring, substantially instantaneously, the distance and trajectory traveled by a body in flight during sports competitions
A system for measuring the distance traveled by bodies in flight during sports events, the bodies executing trajectories having a common predetermined take-off area, and a variable landing point...
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5812247 |
Arrangement for optically tracking moving objects and for measuring their trajectories
An arrangement for optically tracking moving objects and for measuring trajectories of the moving objects using triangulation. The arrangement includes a pair of measuring locations including a...
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5805275 |
Scanning optical rangefinder
A scanning optical rangefinder including an optical scanner and a light source. The optical scanner includes a rotating scan disc with a circular array of concave reflectors thereon. Mirrors are...
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5764344 |
Observing apparatus
An observing apparatus by which a plurality of observers are able to easily find out the same target object includes first and second telescopes. The first telescope has an arithmetic control unit...
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5760884 |
Distance measuring apparatus capable of measuring a distance depending on moving status of a moving object
A distance measuring apparatus of an apparatus having a moving mechanism includes: a speed detector; and a mechanism responsive to a moving speed signal supplied from the speed detector which...
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5721611 |
Photogrammetric camera, in particular for photogrammetric measurements of technical objects
A photogrammetric camera, in particular for photogrammetric measurements of technical objects, has a primary lens system (10) designed as a focussable objective and a combination of at least one...
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5621807 |
Intelligent range image camera for object measurement
A range imaging sensor for classifying and determining the position and orientation of remote objects combines a high resolution three-dimensional range imaging camera with a conventionally...
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5543910 |
Passive submarine range finding device and method
A range finding device and method for determining the distance between a merged submarine and a target above the surface having a first and second periscopes mounted on a submarine with a known...
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5486690 |
Method and apparatus for detecting laser light
A laser light detector is provided which can be used to detect pulsed laser light that is produced by a rotating laser light source on a construction job site. The laser light detector provides an...
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5227622 |
Wireless input system for computer using pen position detection
A wireless input device for computer comprises a pen-type input device having a source of light capable of transmitting pulses. The wireless input device further comprises an input device body...
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5026153 |
Vehicle tracking control for continuously detecting the distance and direction to a preceding vehicle irrespective of background dark/light distribution
In an automobile radar apparatus according to the present invention, a light-receiving optical system is rotated in response to an output from an image formation position calculation unit in such a...
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5008543 |
System for determining the position of at least one target by triangulation
A system is disclosed for determining the position of at least one target by triangulation, comprising two passive sighting devices which measure the intensity of radiation received along a...
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5000564 |
Laser beam measurement system
A laser beam three dimensional position measurement system includes a laser transmitter mounted at a stationary reference position at a work site and a receiver mounted on a mobile machine at the...
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4907879 |
Remote controlled land surveying assistance device for path response alignment to beam energy
The present invention provides a land surveying assist device, which can be remotely controlled on command for path alignment. The device includes a receiver for receiving beams of energy, such as...
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4866362 |
Target tracking system
The invention relates to a target tracking system comprising two identical stationary and mutually distant sub-systems (5, 6), each sub-system including a laser source (7, 8) and two...
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4688933 |
Electro-optical position determining system
A position determining system for providing electrical signals representative of the positions of a light source movable within a defined area. The system may be implemented for purposes of data...
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4664512 |
Three-dimensional range finder
A range finder which measures positions in three-dimensional space of object points within a field of view. Pixel data outputted from pixels in different depths of focus are detected, while said...
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4637715 |
Optical distance measuring apparatus
Disclosed in an optical distance measuring apparatus using an observation lens and at least one reflector. Thanks to the use of reflectors the whole size of the apparatus reduced at least one half...
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4622458 |
Trajectory acquisition and monitoring system
The system includes a plurality of mobile optical-electronic data acquisition stations for individual training on particular mobile targets. These stations are linked through an information...
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4469939 |
Distance measuring apparatus
A distance measuring apparatus is provided with first and second imaging lenses for distance measurement for forming images of the same object, a first photoelectric device having a light-receiving...
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4209241 |
Photoelectric rangefinder
A photoelectric rangefinder for use in a photographic camera for automatically focusing an image of a target object on a predetermined image plane. The system utilizes an electro-optical spatial...
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4168524 |
Airborne surveying apparatus and method
A method and apparatus for surveying ground terrain from an airborne vehicle is disclosed. According to the method and apparatus, an inertial measurement unit, a position tracking device, and a...
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4071772 |
Apparatus for measurement of mechanical aberrations affecting stereoscopic image analysis
Apparatus to automatically analyze stereoscopic images comprising the determination of the maximum degree of correlation between two similar images of the same object projected by two objectives,...
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3961851 |
Passive stereovision range finder
A passive mobile rangefinder and stereo viewer having at least two image verting television cameras each mounted on spaced apart, remotely controlled mobile supports with synchronous drives for...
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3807858 |
INDICATING THE PASSING OF A PROJECTILE THROUGH AN AREA IN SPACE
Method and apparatus for determining the position at which a projectile passes through an area in space. Two light beams are projected to scan the whole of the area in space, and detector means are...
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3741653 |
COMPUTER-AIDED LASER-BASED AIRBORNE MEASUREMENT SYSTEM
In an airborne vehicle, a system having laser sources and optical tracking assemblies electrically communicating with a computer is provided for determining the absolute (inertial) path, position,...
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3543666 |
AUTOMATIC RANGING AND FOCUSING SYSTEM
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3514620 |
EXPANDABLE ELECTRO-OPTICAL HEIGHT SENSOR
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3497301 |
OPTICAL RANGE MEASURING APPARATUS
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3438712 |
MAGNETO-OPTICAL DISPLACEMENT SENSING DEVICE
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3376411 |
Automatic rangefinder
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3347129 |
Photoelectric range finder
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3227033 |
Photoelectric time resolution rangefinders
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3064897 |
Position determining method and apparatus
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3032660 |
Range finder and tracking device
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3002093 |
Infrared navigation system
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2795163 |
Flash ranging system
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