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7589824 |
Surface curvature measurement tool
A device for measuring the radius of curvature of a surface comprises a main body that is held above the surface being measured; and a non-contact sensor mounted to the main body that measures a...
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7583363 |
Range finder system and electronic system having same
A range finder system ( 100 ) includes a point light source ( 10 ), image pickup devices ( 20 ), ( 30 ), and a processing device ( 50 ). The point light source ( 10 ) emits light. The image pickup...
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7554650 |
Laser beam projecting device
A laser beam projecting device, comprising a laser light source for emitting a laser beam, a wavelength selecting film for allowing the laser beam from the laser light source to. pass, and a...
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7460214 |
Surface metering device
A method for measuring the area of polygonal planar surfaces in space, wherein a device is used having a range finder mounted on a leg support by a frame having a central point, elements for the...
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7456943 |
Laser positioning measurement system and method
The position of an apparatus moving along a surface is determined by calculating a plurality of vertical angles between the apparatus and a known location, where the vertical angles vary only...
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7423734 |
Combined video camera and toolholder with triangulation sensing
A system for determining depth, height and other reference information with respect to features on a workpiece is disclosed. A camera is mounted in a CNC toolholder so that the lens of the camera...
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7414702 |
Reverse logic optical acquisition system and method
The present invention is a system and method of acquiring airborne objects utilizing a reverse logic algorithm. The system includes an optics component for detecting the intensity of light from a...
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7411660 |
Laser straight ruler and method for measuring distance and projecting line using the straight ruler
A laser straight ruler having a main body and a beam scanner installed on the main body. A laser beam is scanned to form a beam spot on an object. A position sensing device receives a laser beam...
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7312854 |
Position sensitive photoelectric sensor and method of setting reference distance in the same
In a position sensitive photoelectric sensor that calculates a distance to a target based on a triangular range finding using a light and outputs a result compared with a reference distance, first...
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7265820 |
Method of determining atmospheric refraction profile using two spatially separated light sources
An atmospheric refraction profile is determined using an imaging system positioned at a location that is simultaneously within line-of-sight of two celestial light sources. A variety of active or...
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7236256 |
Range finder and method
A linearly polarized light projector system projects linearly polarized light onto a subject. While polarizing filters are used for removing light specular-reflected on the subject, a reflected...
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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...
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7187452 |
Lidar system and method
A ground-based method is disclosed which determines the spatial statistics of fragmented and spatially variably dispersed objects in a transmissive medium, by generating a plurality of pulsed beams...
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7154591 |
Laser range finding apparatus
The laser range finding apparatus includes an optical relaxation oscillator assembly, outcoupling optics, a photodetector and a controller. The optical relaxation oscillator assembly produces...
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7152017 |
Numerical analysis system using hybrid grid adaptation method
The numerical analysis system of the invention analyzes the dynamical state of the compressible fluid employing Hybrid Grid Adaptation Method by Finite Volume Method. The initial grid data are...
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7145647 |
Measurement of spatial coordinates
A system for measurement of spatial coordinates comprising a probing tool and a main measuring unit, wherein said probing tool comprises a reflective object element, observation mechanism located...
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7142288 |
Measuring device for contactless distance measurement
A measuring device for contactless distance measurement is disclosed, which has an optical transmission path ( 12 ), with an optical transmitter ( 22 ), and an optical receiver ( 13 ), with a...
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7142198 |
Method and apparatus for remote pointing
A remote pointing apparatus including a remote control that generates an optical signal that is periodically expanded and/or reduced around the origin and an optical sensor that detects whether the...
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7142289 |
Radar apparatus
In a radar apparatus, a laser light generating device generates a laser light. An optical device reflects the laser light to output it in a predetermined direction. The optical device has at least...
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7139067 |
Three-dimensional imaging with multiframe blind deconvolution
Methods and systems for three-dimensional imaging through turbulence such as produced by the Earth's atmosphere are described. A first light source may direct an output of pulses to a target...
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7130035 |
Target for surveying instrument
A target for a surveying instrument, which receives from the surveying instrument a laser point light indicating a position and a distance measuring light to measure a distance, comprising a...
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7130027 |
Reflection-photometric analytical system
This invention generally relates to a reflection-photometric analytical system having a measuring head comprising a source of radiation and a radiation detector for the reflection-photometric...
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7119887 |
Optical distance measuring sensor and self-propelled cleaner
An optical distance measuring sensor has a plurality of light-emitting elements, a light-emitting lens, a photodetector having a light-receiving surface, a light emission driving part to...
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7113271 |
Method to accurately measure the angular orientation of a rotating axis to a reference line
A method is described that measures the angular orientation of a rotational axis to a reference line. The reference line is defined by the position of a string. The alignment device includes a...
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7106421 |
Method of adjusting axial direction of monitoring apparatus
A method for a monitoring apparatus using a radar and a camera to detect an object. The radar and the camera each have its own detection area and the method is for detecting and correcting the...
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7106422 |
Rangefinder and measuring method
A Rangefinder capable of long and short distance measurement in company with compass measurement. The rangefinder includes distance measurement unit, a compass sensing unit and a processor. The...
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7098998 |
Depth measuring method and depth measuring apparatus
Where a point corresponding to a point of interest P 1 is not detected and a depth value thereof is not known and where points corresponding to surrounding points Pi and Pj are detected and depth...
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7098999 |
High-speed readout circuit and system incorporating same
A readout system for receiving return signals originating from one or more energy pulses fired toward a scene. The system includes a first mechanism for detecting energy received from the scene and...
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7098997 |
Surveying system
A surveying system that comprises a position relation calculating processor, a correspondence establishing processor, and an image processor is provided. The position relation calculating processor...
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7095490 |
Electric distance meter
An electric distance meter of the present invention comprises a device ( 1 ) to generate a modulation signal for modulating measuring light which is irradiated to an object, a device ( 4 ) to...
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7092075 |
Apparatus and method for detecting obstacles
A method for detecting an obstacle in a spatial area is disclosed. The method includes scanning the spatial area, classifying each reflection point in the spatial area as one of an obstacle...
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7092076 |
Surveying instrument
A surveying instrument, comprising a collimation optical system and a visible laser projecting device with a visible laser light source unit for emitting a point light, wherein the surveying...
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7078720 |
Range finder for measuring three-dimensional geometry of object and method thereof
A range finder for measuring a three-dimensional geometry of an object includes a projector unit for projecting the pattern light onto the object, a first image capturing unit for capturing an...
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7075625 |
Range finder and method
Pattern projection apparatuses are placed on each other in a stack manner in a stripe pattern direction for projecting the same patterns. An image pickup apparatus (camera 1 ) is placed between...
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7064817 |
Method to determine and adjust the alignment of the transmitter and receiver fields of view of a LIDAR system
A method to determine the alignment of the transmitter and receiver fields of view of a light detection and ranging (LIDAR) system. This method can be employed to determine the far-field intensity...
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7050948 |
Method and computer program product for evaluation of data recorded by measuring instruments
The invention describes a method and computer program product for the evaluation of data recorded by measuring instruments, which is particularly applicable to the precise localization of...
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7046377 |
Method for determining corresponding points in three-dimensional measurement
The invention relates to connection of corresponding points measured by a computer vision system. The points are indicated by an illuminator (LASER), by means of which several points can be...
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7042556 |
Device and nondestructive method to determine subsurface micro-structure in dense materials
A method and a device to detect subsurface three-dimensional micro-structure in a sample by illuminating the sample with light of a given polarization and detecting light emanating from the sample...
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7042560 |
Angle detecting apparatus and projector having the same
A control circuit computes relative horizontal and vertical inclination angles between a screen and a projector by a line-type passive range-finding device. A display driving section adjusts a...
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6975361 |
Imaging system, two-dimensional photographing device and three-dimensional measuring device
A system comprises a two-dimensional photographing device and a three-dimensional measuring device that is removably attached to the two-dimensional photographing device. The two-dimensional...
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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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6933962 |
Electronic endoscope with three-dimensional image capturing device
An electronic endoscope comprises a housing and a flexible tube. A light-transmitting optic fiber and a light-receiving optic fiber are provided in the flexible tube. A light source and an imaging...
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6927862 |
Three-dimensional shape and color detecting apparatus
A three-dimensional shape and color detecting apparatus that detects a three-dimensional shape of an object and a color thereof is provided with an illuminating system that emits light to...
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6903810 |
Optical lateral distance hand-held measuring device
A lateral distance hand-held measuring device having a computer unit ( 2 ), an input/output unit ( 3 ) and a first laser distance measuring module ( 4 a , 4 b ) transmitting a visible measurement...
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6844562 |
Distance measuring sensor and method for manufacturing the same
A distance measuring sensor includes a case subassembly having inside a light emitting element and a light receiving element, and a lens case subassembly having a projection lens projecting a light...
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6819113 |
Precision grid survey apparatus and method for the mapping of hidden ferromagnetic structures
The present invention is for a precision grid surveyor having a stationary unit and a roving unit. The stationary unit has a light source unit that emits a light beam and a rotator to project the...
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6813585 |
Method and device for measuring length, area or volume
A device and a method for determining length, area, and/or volume using a distance measuring device 10 includes a transmit unit 18 and a receive unit 20 in one housing, a keypad 28 for...
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6801875 |
Methods, systems, and software for performing measurements
Methods of measuring widths of illumination spots and distances between two points, and predicting detected signal widths are provided. Systems, software, and kits for performing the methods of the...
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6768551 |
Contactless wheel measurement system and method
The present invention provides a wheel measurement method and system to measure an attribute of a wheel. Light illumination devices and light sensing devices provide wheel data. A computer then...
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6755817 |
Device for medical treatment of the eye using laser illumination
A device for the medical treatment of the eye with laser radiation uses auxiliary radiation for determining the eye position. With the aid of the auxiliary radiation, pictures are taken by means of...
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