|
Match
|
Document |
Document Title |
|
|
7218384 |
Surveying system
A surveying system is provided that comprises a position relation calculating processor and a correspondence obtaining processor. The position relation calculating processor calculates a position...
|
|
|
7154589 |
Rangefinder apparatus
In a rangefinder, if sensor data initially received by a sensor data storage part from an A/D converter includes data with low contrast, the sensor data storage part receives the sensor data at...
|
|
|
6768540 |
Phase difference detection method, phase difference detection apparatus, range finding apparatus and imaging apparatus
A phase difference detection apparatus for detecting a phase difference between images formed on a pair of optical sensor arrays in which the possibility of unproductive compensation is reduced by...
|
|
|
6072564 |
Optical module and apparatus having the same
In a module which consists of optical systems and sensors, a pair of first line sensors are arranged vertically to a pair of second line sensors, and each of the line sensors is provided with a...
|
|
|
5532777 |
Single lens apparatus for three-dimensional imaging having focus-related convergence compensation
The invention comprises an adapter having a set of four mirrors in two pairs located in front of a camera lens. The outer two mirrors face generally outward along the optical axis of the lens and...
|
|
|
5483336 |
Self correcting stereoscopic auto-rangefinder
A stereoscopic rangefinder is disclosed for determining the distance of a target object by measuring the angle of parallax of light scattered by the target. The rangefinder includes two arrays of...
|
|
|
5280332 |
Method and apparatus for self-correcting, direct sensing coincidence sensor for optical rangefinders
A device to precisely determine the angle of parallax formed by a target object of interest and first and second entrances (30, 30') for the purpose of rangefinding for example. The device having...
|
|
|
5233382 |
Range finding device unaffected by environmental conditions
A range finding device having a lens holder with two tunnels, and two lens plates mounted in front of the tunnels. Two pins are formed on the front surface of the lens holder, the two pins being...
|
|
|
4989827 |
Distance distribution measuring method and apparatus varying spacing between an image pickup and the optical axis
A distance distribution measuring method includes the steps of disposing an image pickup on the optic axis of a projection optical system, forming on the image pickup the images of objects existing...
|
|
|
4868591 |
Photodetector element for optical rangefinders
A photodetector element for use in a rangefinder of a camera comprises a first photoelectric element having a plurality of light receiving segments parallel to each other and adapted to provide a...
|
|
|
4781454 |
Optical telemetry system incorporating a collimator
A telemetry system comprises a video camera of the kind such that, as a result of the substantial magnification provided, it is necessary also to use a collimating video camera. The use of the...
|
|
|
4746790 |
Method and apparatus for measuring a distance
There is disclosed a method for measuring the distance to an object, using an apparatus having two optical systems which have optical axes parallel with each other, and detecting means on which...
|
|
|
4717251 |
Elevation measurement in high order surveying
A surveying instrument and procedure are provided for the precise determination of elevation differences in the course of a surveying traverse. The instrument comprises an optical wedge 13 situated...
|
|
|
4652119 |
Range finder
A range finder wherein the quantization of analog outputs from light receptor elements for converting an optical image into an electrical signal is accomplished by comparing the outputs from at...
|
|
|
4640613 |
Image data comparison circuit for rangefinders
In the particular embodiments of the invention disclosed herein, an image data comparison circuit receives digital image signal trains from two light sensor arrays of a rangefinder and compares the...
|
|
|
4465366 |
Device for the photoelectric determination of the position of at least one focal plane of an image
Disclosed is a device for the photoelectric determination of the position of a focal plane of an image with an optical correlator. The invention comprises an imaging system, a grating structure...
|
|
|
4441810 |
Range finder
A range finder for measuring the distance of an object to be measured by the steps of radiating the spot light to the object, forming an image of the reflected ray of light by image forming means...
|
|
|
4413906 |
Passive optical rangefinder/sextant having search capability
Uniquely integrating a search mirror and a deflection mirror with a passive ptical rangefinder and a remote sextant, enhances the operation of both devices. The improved rangefinder/sextant...
|
|
|
4408288 |
Distance measuring arrangement
A distance measuring arrangement for use, for example, in a camera and the like equipped with an automatic focus control system which includes an illuminance intensity detecting portion for...
|
|
|
4391513 |
Range finding optical mechanism
A device wherein object images are formed on photoelectric converter means arranged in the form of a row by a pair of imaging optical systems fixedly disposed with a base line length therebetween...
|
|
|
4341447 |
Infrared camera ranging system
A passive infra-red ranging system for a photographic camera or the like includes two infra-red responsive sensors spaced apart a predetermined distance from one another on the camera body. Each...
|
|
|
4304474 |
Arrangement for focusing the image of an object onto an image plane
The invention relates to an arrangement for automatically focusing the image of an object, obtained by an objective lens system, onto an image plane by adjustment of the distance of the objective...
|
|
|
4290693 |
Arrangement for measuring the range or speed of an object
The invention relates to an arrangement for measuring the range or speed of an object, in which two optical devices are offset from one another transversely to the direction of the object to...
|
|
|
4257705 |
Device for focus detection or distance detection
This invention relates to a device for focus detection or distance detection in which one or more images of a target formed by an optical system are received by photoelectric light receiving means...
|
|
|
4240727 |
Focussing system
A first photodetector arrangement comprises three adjoining photodetectors, and a second comprises six. First and second optics, and the two photodetector arrangements, are located immovable on the...
|
|
|
4189232 |
Range detecting method and apparatus
A range detecting method and apparatus of a construction, in which first and second images of an object to be formed by a range finding optical system with a relative positional parallax...
|
|
|
4175365 |
Method and apparatus for measuring distances
A method and apparatus for the automatic evaluation of stereoscopic images by the determination of the maximum degree of correlation of identical images of an object reproduced by two objectives,...
|
|
|
4173402 |
Optoelectronic sensing apparatus
First and second optical systems each comprise identical converging lenses which focus light images of an object onto identical photosensor arrays, the lenses being parallel. First and second...
|
|
|
4162124 |
Passive optical rangefinder-sextant
A passive opto-electric rangefinder with remotely controllable index mirr independently rotatable about normal axes, each axis perpendicular to the line-of-sight.
|
|
|
4125847 |
Rangefinding mechanism
A rangefinder mechanism is shown in which the scanning mirror has been reced with a movable scanning optic. The automatic rangefinder system includes a pair of optical paths one a reference path...
|
|
|
4103152 |
Distance determining and automatic focusing apparatus with false peak discrimination
A camera lens forms an image of an object on an image plane. First and second mirrors produce respective first and second detection images of the object on respective first and second arrays of...
|
|
|
4091275 |
Automatic focus system with oscillation inhibit circuit
An automatic continuous focus system includes means for inhibiting movement of the primary lens unless each focus control signal within a predetermined time requires position correction in the same...
|
|
|
4059758 |
Autofocus system
An automatic single focus system of the spatial image correlation type uses two scans to position the primary lens. During a first scan, the amplitude of the major extremum in the correlation...
|
|
|
4059757 |
Focus system for movie cameras
An automatic continuous focus system of the spatial image correlation type uses a dual scan technique.
|
|
|
4059756 |
Focus control system with dual scan
An automatic focus system of the spatial image correlation type uses a dual scan technique. During a first scan, the amplitude of the major extremum in the correlation signal is stored. During the...
|
|
|
4037958 |
Apparatus for determining photoelectrically the position of at least one focusing plane of an image
Apparatus for the photoelectrical determination of the position of at least one focusing plane of an image comprising an imaging optics, at least one spatial frequency filter in the form of a...
|
|
|
4020496 |
Support for components of an automatic focusing system
A support for a camera automatic focusing system has two identical plates that form top and bottom covers of the support. The top plate has a plurality of spaced openings that are in alignment with...
|
|
|
4004852 |
Integrated automatic ranging device for optical instruments
An automatic ranging device for optical instruments focuses two images of at least a portion of the field of view of the instrument on an array of photosensitive cells. The electronic output of the...
|
|
|
3945023 |
Auto-focus camera with solid state range finder
An auto-focus camera includes a range finder device having no moving parts. First and second stationary lens devices receive radiation from an object along two spatially separate paths. First and...
|
|
|
3838275 |
DETECTING APPARATUS FOR DETERMINING WHEN IMAGE IS IN FOCUS
A focus detecting system includes first and second lens devices for forming first and second auxiliary images of an object on first and second detector devices, respectively. Each detector device...
|
|
|
3684374 |
FOCUS DETECTOR
Correspondingly located portions of images projected on separate planes are compared for coincidence by correspondingly located photosensitive elements on each of the planes. The photosensitive...
|
|
|
3663105 |
METHOD AND APPARATUS FOR MEASURING RANGE UTILIZING SUPERIMPOSITION OR ALIGNMENT OF IMAGES
There is provided an apparatus and method for automatically reading out the range as determined by dual image optical range finders. Such dual image optical range finders produce a pair of...
|
|
|
3533697 |
WAVE HEIGHT MEASURING METHOD AND APPARATUS
|
|
|
3529528 |
PHOTOELECTRIC PRECISION CAMERA RANGE FINDER WITH OPTICAL VERIFICATION
|
|
|
3519349 |
IMAGE CORRELATION DEVICE
|
|
|
3516742 |
METHOD AND APPARATUS FOR FOCUSSING AN OPTICAL DEVICE ON AN OBJECT DISTANT THEREFROM
|
|
|
3499711 |
PASSIVE-AUTOMATIC RANGE FINDER
|
|
|
3396626 |
Automatic range finder
|
|
|
3395605 |
Telemeter
|
|
|
3002093 |
Infrared navigation system
|