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7362451 |
Sensor device
To provide a displacement sensor device capable of fast data read-out processing. A sensor device includes: a light-emitting element for irradiating an object to be measured with light at a...
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7164116 |
Monitor for intrusion detection
A monitor for intrusion detection features a detecting arrangement for detecting an intruding object in a 3-dimensional area and outputting corresponding detection information, a setting...
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6718261 |
Architecture for real-time maintenance of distributed mission plans
A method routes a plurality of entities ( 200 ) through a predetermined area. The method includes the steps of: providing a plan; providing a deterministic method for computing the plan for the...
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6522394 |
Rangefinder device and camera
A rangefinder device and a camera are provided, which, in measuring a distance by the active method, are capable of properly measuring the distance even if the object to be measured is located at a...
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6452684 |
Device for determining the contour of a road surface
Device for determining a desired contour of a ground surface, for instance a road surface, relative to the actual contour of that ground surface, at least comprising measuring unit for generating...
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6122039 |
Method and apparatus to detect and report object displacement utilizing optical triangulation principles
A object displacement measuring system and utilizing optical triangulation techniques is constructed to determine the displacement of an object between a near and far sensing limits. In...
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6104476 |
Distance measuring apparatus and computer readable storage medium
A distance measuring apparatus having skimming function which suppresses electric consumption when a charge storing period is shortened by an electronic shutter function. For this purpose, at an...
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6067148 |
Execution height display device and execution height setting system
An execution height setting system 100 includes laser device 102 for setting a horizontal reference plane by rotatably radiating a laser beam and a execution height display device 104. The...
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5999249 |
Position detecting element and range sensor
A position detecting element that enables a position to be detected at high speed and high precision, and a range sensor using the same. The position detecting element is provided with a PIN...
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5963309 |
Distance measuring system
A distance measuring system of the active type wherein a distance ranging from a short distance to a great distance can be measured with a high degree of accuracy in accordance with a ratio between...
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5877491 |
Method and apparatus for imaging an object illuminated with light
Method and apparatus for imaging an object illuminated with light onto a photodetector array including a microcomputer for controlling the light gathering of the photodetector array by varying the...
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5808726 |
Distance measurement apparatus
This invention has as its object to provide a distance measurement apparatus which can relatively easily control the clock generation timing and can prevent dark currents generated by accumulation...
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5774207 |
Light scanner
The present invention offers a light scanner which is compact and highly precise during high-speed operation, has a long lifespan, and is resistant to influence by external acceleration....
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5751406 |
Range finding apparatus
A range finding apparatus includes; M photoprojectors (M: greater than one) provided in one-to-one correspondence with M range-finding axes radially extending within a virtual plane for forwardly...
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5719663 |
Range finder apparatus
An active type range finder apparatus comprises a light projecting element having a base, a lead frame disposed on the base, at least one light emitting member disposed on the lead frame for...
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5677760 |
Rangefinding device for use in a camera
A rangefinding device for use in a camera comprising a projection section for projecting a light beam emitted by a light source through a projection lens to an object, a light pickup section...
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5606409 |
Laser ranging system calibration device
A calibration device for a laser ranging system includes an interferometer assembly and a beam path magnifier assembly which is optically coupled to the interferometer assembly to receive a...
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5247338 |
Plant for track-based detection of the wheel profile of train wheels
An apparatus or system for a track-based detection of a wheel profile of passing train wheels, with the apparatus including an illumination unit with a light source and optical elements which...
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5015868 |
Real time distance sensor
A real time distance sensor for measuring distance by calculating the position of image of reflected laser beams with an extremely high-speed, includes a detection module containing a light...
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4971443 |
Optical position detecting method and apparatus therefor
A method of and an apparatus for optically detecting the position of an object having a surface including first and second reflecting regions each having a different reflectance coefficient. First...
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4967183 |
Method of intrusion detection over a wide area
A method of scanning intrusion detection which is capable of monitoring a large volume of either interior or exterior space from a single relatively inexpensive unit. This method of intrusion...
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4934810 |
Method and apparatus for controlling the quantity of emitted light in an optical measuring head
The invention relates to a method and apparatus for controlling the quantity of emitted light in an optical measuring head. The control of the emitted light quantity of a laser diode mounted in the...
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4878754 |
Method of and apparatus for measuring irregularities of road surface
A method of and apparatus for measuring any irregularity on a road surface by applying a beam onto a measuring point on the road surface and detecting any change in the vertical position of the...
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4826312 |
Large area, low capacitance photodiode and range finder device using same
An infrared sensitive photodiode having a relatively large optically active area and relatively low capacitance comprises a stripe diode adjacent an optically active area having a thick infrared...
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4781465 |
Device for detecting road surface condition
A device for detecting road surface condition in front of a running car by radiating a directional beam or beams onto a point or points on the road surface at predetermined distance or distances in...
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4774403 |
Triangulation-type position measuring device
A position measuring device using a triangulation scheme for position sensing. A laser diode projects a spot upon a target surface. The image of the spot is focused on a Charge Coupled Device...
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4708483 |
Optical measuring apparatus and method
An optical triangulation probe is provided for measuring the distance and inclination of a surface. A light source is utilized for projecting a beam toward the surface to form a light spot on the...
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4701049 |
Measuring system employing a measuring method based on the triangulation principle for the non-contact measurement of a distance from the surface of a contoured object to a reference level. _
An apparatus for dimensional inspection of an object. The apparatus is adapted to produce a slender beam of measuring radiation for irradiating an object under examination. Reflected light image...
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4701047 |
Line selection for preparing range images
Selecting of particular image lines for composition of range image such that a composition and evaluation of range image is possible in real time actually corresponds to the imaging of a TV or...
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4522492 |
Distance measuring device
A distance measuring device comprised of a system which projects infrared rays on a distant object, a light receiving optical system positioned at a prescribed base length from the infrared ray...
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4521106 |
Image sensor and rangefinder device with background subtraction using interlaced analog shift register
A rangefinder device includes means for projecting a beam of light to illuminate a spot on an object in a scene, an image sensor having an array of photosensors for sensing an image of the scene,...
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4490037 |
Image sensor and rangefinder device having background subtraction with bridge network
A rangefinder device includes means for projecting a beam of light to illuminate a small area on an object in a scene, an array of photosensors for sensing an image of the scene, and signal...
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4373805 |
Laser altimeter and probe height sensor
The disclosure describes an arrangement to measure precisely probe-to-model board distance in a simulator. A source of radiation is positioned to emit a beam toward a model board surface on which a...
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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...
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3807870 |
APPARATUS FOR MEASURING THE DISTANCE BETWEEN SURFACES OF TRANSPARENT MATERIAL
A thickness measuring instrument is disclosed which is of the optical type and adapted for transparent workpieces such as plastic or glass sheets or containers. The instrument utilizes a light beam...
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