Class / Patent application number | Description | Number of patent applications / Date published |
356300100 | Triangulation ranging to a point with two or more projected beams | 24 |
20100103404 | METHOD AND APPARATUS FOR A SINGLE POINT SCANNER - The present subject matter include methods and apparatus for creating three dimensional digitized models of at least one ear impression, the apparatus comprising a frame, a linear axis mounted to the frame, the linear axis having an axis of motion, a first spindle axis mounted to the frame, the spindle axis having an axis of rotation, wherein the axis of rotation of the first spindle axis is parallel to the axis of motion of the linear axis, a first scanner mounted to the linear axis, the scanner includes a laser for projecting a narrowly localized spot of laser light at a target mounted on the first spindle axis and a sensor array for receiving at least a portion of the laser light reflected from the target and a controller configured to communicate with the first scanner. | 04-29-2010 |
20110037963 | SYSTEM AND METHOD USING A MULTI-PLANE CURTAIN - A multi-plane scanner support system includes a bracket and a mirror block. The bracket is configured to be secured in a fixed orientation with respect to a scanner. And the mirror block is arranged to receive a scanning signal from the scanner and to reflect the scanning signal into a plurality of directions to create multiple scanning planes. The scanner can be a laser scanner. The scanner and multi-plane scanner support system can be attached to a material transport vehicle, for example, to provide safety functions. The vehicle can be manned or unmanned. | 02-17-2011 |
20120206707 | DISTANCE MEASURING APPARATUS AND DISTANCE MEASURING METHOD - Provided is a distance measuring apparatus and a distance measuring method enabling measurement of, based on an image, a relative distance from an object even during nighttime. Included are imaging means for taking an image in a traveling direction of an own-vehicle as a taken image; specifying means for respectively specifying combinations of positions, in the taken image, of direct light which is imaged in the taken image and of a reflected light which is a reflection of the direct light on a travel path surface; and measuring means for measuring a relative distance from an object based on the combinations of the positions of the direct light and the positions of the reflected light, which are specified by the specifying means. | 08-16-2012 |
20120262692 | LASER TRACKER THAT COMBINES TWO DIFFERENT WAVELENGTHS WITH A FIBER-OPTIC COUPLER - Coordinate measurement device configured to send a first beam of light to a target includes first and second light sources configured to emit first and second lights having differing first and second wavelengths; fiber-optic coupler that includes three ports, a first port configured to accept a first portion of the first light, a second port configured to accept a second portion of the second light, a third port configured to transmit a third light which includes a portion of the first and second portions; first and second angle measuring devices configured to measure first and second angles of rotation; distance meter configured to measure a first distance from the device to the target based at least in part on a third portion of the second beam received by an optical detector; and a processor configured to provide 3D coordinates of the target. | 10-18-2012 |
20130003038 | Distance Measuring Device and Distance Measuring Method - Disclosed is a distance measuring device using an optical comb. In order for the absolute distance to an object to be measured which has a surface with low reflection ratio or a scattering surface and is approximately 10 m apart, to be easily measured with accuracy of 0.1 mm or more using an optical and contactless method, the distance measuring device which measures the distance to the object to be measured is configured such that the distance to the object to be measured is measured by comparing the phase of the beat signal between a light source and a plurality of CW lasers which are reflected or scattered by the object with the phase of the beat signal between the light source and a plurality of CW lasers prior to being irradiated onto the object. | 01-03-2013 |
20130169947 | OPTICAL DETECTOR - A technique includes using at least one emitter to generate a first optical signal to propagate along a first optical path to interact with a target, to generate a second optical signal and generate a third optical signal to propagate along a second optical path other than the first optical path to generate a fourth optical signal. The technique includes using at least one receiver to acquire a first measurement of the second optical signal and acquire a second measurement of the fourth optical signal. The technique includes generating an indication of a parameter that is associated with a target, which includes scaling a ratio of the first and second measurements based at least in part on optical communication between the emitter(s) and the receiver(s) that does not involve interaction with the target. | 07-04-2013 |
20130314688 | INDOOR SURVEYING APPARATUS - An indoor surveying apparatus comprises a 2D range finder, means for automatically aligning 2D range finder data and computing a 2D map of the environment, a calibrated optical imaging system for capturing images of environment, and means for establishing positions and extents of walls, doors, and windows and for drawing floor plans using the computed 2D map and calibrated images where 2D range finder data is missing. It is further contemplated that the imaging system can also be part of the range finder, that the range finder can be a scanning laser range finder, that the imaging system can include a panoramic lens with 180 degree field of view, that the apparatus can further include an IMU, an electronic compass, a panoramic rotator, and means for measuring positions of points on the floor using the image data. | 11-28-2013 |
356300110 | Using photodetection at the source station(s) | 12 |
20080259310 | OPTICAL POSITION DETECTION DEVICE AND ELECTRONIC EQUIPMENT - An optical position detection device capable of detecting a position of a light source with high accuracy and being low priced is provided. A transmission system | 10-23-2008 |
20090040500 | DISTANCE MEASUREMENT METHOD AND DEVICE AND VEHICLE EQUIPPED WITH SAID DEVICE - A method for measuring the distance of an object is provided that includes irradiating a plurality of light beams having predetermined wavelengths and then in a first round, picking up an image under irradiation of the plurality of light beams and in another round picking up the image without irradiation using a camera. The difference of the image between the first and other round is fed to an observation region part and to an irradiation angle computing part and then the distance to the image is computed. | 02-12-2009 |
20090141260 | DISTANCE MEASUREMENT SYSTEM AND DISTANCE MEASUREMENT METHOD - A distance measurement system includes: an projection apparatus ( | 06-04-2009 |
20100103405 | OPTICAL MEASUREMENT INSTRUMENT FOR BODY HEIGHT - An optical body height measurement instrument is provided comprising: a lens configured to be movable along a direction parallel to the height of an object to be measured and form an image of the object; a photosensitive sensor arranged at an image side of the lens to sense the image; and a driving device configured to drive the lens along a direction parallel to the height of the object, wherein when the lens is moved across the height at which the head of the object is located, a hop occurs to an output of the photosensitive sensor; and wherein the height of the object is determined based on the height of the lens measured at the time of the occurrence of the hop. The optical body height measurement instrument can rapidly, conveniently and accurately measure the height based on the infrared rays emitted from the measured object or the light with a predetermined wavelength emitted from an auxiliary light source so long as the person to be measured stands within a certain region. | 04-29-2010 |
20100296076 | Optical Blind-Guide Apparatus And Method Thereof - An optical blind-guide apparatus for detecting an object is provided. The optical blind-guide apparatus includes an illuminant module illuminating the object to form a reflection light from the object; a sensor sensing the reflection light to generate a digital message; a system module receiving and processing the digital message to obtain a blind-guide information; and an output device coupled with the system module and outputting the blind-guide information. | 11-25-2010 |
20120262694 | LASER TRACKER WITH ENHANCED HANDLING FEATURES - A coordinate measurement device sends a first light beam to a target which returns a portion as a second beam. The device includes: first and second motors that direct the first beam to a first direction determined by a first angle of rotation about a first axis and a second angle of rotation about a second axis, the first and second angles of rotation produced by the first and second motors, respectively; first and second angle measuring devices that measure first and second angles of rotation, respectively; a distance meter that measures a first distance from the device to the target based in part on a first portion of the second beam; a processor that provides a 3D coordinate of the target based in part on the first distance and the first and second angles of rotation; and a retractable handle at the device top side. | 10-18-2012 |
20140016113 | DISTANCE SENSOR USING STRUCTURED LIGHT - The subject disclosure is directed towards a distance sensor that outputs one or more (e.g., infrared) light patterns from a transmitting element. Signals from any reflective entity (e.g., a surface or object) within the sensor's range are captured by a receiving element. The captured image is digitized into digital data representing each light pattern, and the digital data is processed (e.g., including using triangulation) to determine distance data of the distance sensor relative to the reflective surface. | 01-16-2014 |
20150316648 | Detection apparatus, Detection method and Manipulator - A detection unit comprising a manipulator, a imaging unit, a light beam irradiation unit and a computing unit, the imaging unit and the light beam irradiation unit are provided on a manipulator. The detection apparatus includes a horizontal imaging plane, which includes an optical axis of the imaging unit, and a vertical imaging plane, which includes the optical axis of the imaging unit and 1) a projection of a light beam from the light beam irradiation unit on the horizontal imaging plane and 2) a projection of a light beam from the light beam irradiation unit on the vertical imaging plane respectively form an intersecting angle with the optical axis of the imaging unit. | 11-05-2015 |
20150323669 | APPARATUS FOR DETECTING DISTANCES IN TWO DIRECTIONS - Provided is an apparatus for measuring distances in two directions. The apparatus in accordance with an embodiment of the present invention may include a sensor module configured to include a light emission unit configured to emit a first wavelength beam and a second wavelength beam, a light reception unit configured to receive reflected light emitted by the light emission unit and reflected from an object and first and second beam splitters respectively disposed ahead of the light emission unit and the light reception unit and configured to transmit the first wavelength beam and reflect the second wavelength beam; and a motor configured to rotate the sensor module. Accordingly, there is an advantage in that a production cost can be reduced because distance measurement and height measurement are performed using a single module. | 11-12-2015 |
20160018526 | SURROUND SENSING SYSTEM - A system for detecting the profile of an object. The system having a radiation source for generating a radiation pattern. The system also having a detector which has a plurality of pixels and a processor for processing data from the detector when radiation from the radiation source is reflected by an object and detected by the detector. The system also has a synchronization device for interfacing between the detector and the radiation source. The radiation source is designed for operating in pulsed mode and the synchronization device can synchronize the pulses of the radiation source with the sampling of the detector. | 01-21-2016 |
20160131761 | POSITIONAL TRACKING SYSTEMS AND METHODS - Optical positional tracking systems that may be used in virtual reality (VR)/augmented reality (AR) applications are described. Exemplary implementations comprise one or more receivers and one or more transmitters. Exemplary transmitters contains two orthogonal rotors that each emit a fan-shaped laser beam. Each beam is swept as the rotors are spun at constant speed. Exemplary optical receivers can be relatively small, and mounted at convenient locations on the VR display. These receivers consist of small optical detectors that may be mounted on head-mounted VR displays. Exemplary systems determine position by measuring the time at which each swept beam crosses each receiver/detector. | 05-12-2016 |
20160377410 | THREE-DIMENSIONAL COORDINATE SCANNER AND METHOD OF OPERATION - A noncontact optical three-dimensional measuring device that includes a first projector, a first camera, a second projector, and a second camera; a processor electrically coupled to the first projector, the first camera, the second projector, and the second camera; and computer readable media which, when executed by the processor, causes the first digital signal to be collected at a first time and the second digital signal to be collected at a second time different than the first time and determines three-dimensional coordinates of a first point on the surface based at least in part on the first digital signal and the first distance and determines three-dimensional coordinates of a second point on the surface based at least in part on the second digital signal and the second distance. | 12-29-2016 |
356300120 | Using photodetection remote from the source station(s) | 5 |
20090066929 | Creation of a Range Image - The most difficult problem in the creation of a range image with stereo cameras ( | 03-12-2009 |
20090147239 | APPARATUS AND METHOD FOR TRACKING AN OBJECT - An apparatus for tracking an object or measuring the range of an object comprises a beam generator for generating first and second beams of energy and projecting the first and second beams towards a target surface whose distance from the apparatus is to be measured, a receiver for receiving energy from the first and second beams reflected from the target surface and for projecting beam energy reflected from the first beam onto a detector for detecting the position of the first beam energy. The position is dependent on the angle between the incident first beam and reflected first beam energy at the target surface, and thereby on the distance between the apparatus and the position from which the first beam is reflected from the surface. A second detector is provided for receiving second beam energy reflected from the target surface for measuring the range of the target by time of flight. | 06-11-2009 |
20100118291 | RANGEFINDER AND RANGE FINDING METHOD - A rangefinder includes: a lens system ( | 05-13-2010 |
20110164240 | SEA CLUTTER IDENTIFICATION WITH A LASER SENSOR FOR DETECTING A DISTANT SEABORNE TARGET - There is provided a system for detecting distant seaborne objects by an airborne vehicle, including a seeker head having an axis in the direction of flight, a sensor mounted on the seeker's head, the sensor being operative to transmit towards the sea surface a laser radiation beam of selected wavelength and to receive from the sea water surface radiation reflected from the sea water surface and from a seaborne object, and a computing unit for differentiating between the reflection received from the sea water surface and from the seaborne object. A method for detecting distant seaborne objects by an airborne vehicle is also provided. | 07-07-2011 |
20130038856 | DETERMINATION OF A SENSOR DEVICE LOCATION IN A SENSOR NETWORK - Determination of a sensor device location in a sensor network is described. A system can include rotating optical beams having a known location. Detectors can be located with each of the rotating optical beams. The system can include a sensor device placeable as part of the sensor network. A reflector can be near the sensor device and can reflect at least two optical beams back to the detectors associated with each of the respective optical beams. A triangulation module can triangulate a position of the reflector, and thus the sensor, based on the reflected optical beams. | 02-14-2013 |