Matches 1 - 41 out of 41


Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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,...
3543666 AUTOMATIC RANGING AND FOCUSING SYSTEM  
3514620 EXPANDABLE ELECTRO-OPTICAL HEIGHT SENSOR  
3497301 OPTICAL RANGE MEASURING APPARATUS  
3438712 MAGNETO-OPTICAL DISPLACEMENT SENSING DEVICE  
3376411 Automatic rangefinder  
3347129 Photoelectric range finder  
3227033 Photoelectric time resolution rangefinders  
3064897 Position determining method and apparatus  
3032660 Range finder and tracking device  
3002093 Infrared navigation system  
2795163 Flash ranging system  
Matches 1 - 41 out of 41