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| Number | Title | Issue Date |
| 7525114 | Multiple axis multipoint non-contact measurement system Apparatus for optically measuring a remote object comprises at least one source for projecting a plurality of discrete zones of electromagnetic radiation (for example laser spots) along a projection plane. Imaging apparatus images a plurality of reflections from the... | 04/28/2009 |
| 7420196 | Multiple axis multipoint non-contact measurement system Apparatus for optically measuring a remote object comprises at least one source for projecting a plurality of discrete zones of electromagnetic radiation (for example laser spots) along a projection plane. Imaging apparatus images a plurality of reflections from the... | 09/02/2008 |
| 7415212 | Data communication system, data transmitter and data receiver A transmitter formed of two or more light-emitting sections such as LEDs, which are physically arranged in a predetermined manner, is disposed in the real world object, and each light-emitting section transmits data by flashing at a flashing pattern representing the... | 08/19/2008 |
| 7333191 | Scanning probe microscope and measurement method using the same A scanning probe microscope has a cantilever with a probe facing a sample and a measurement section for measuring a physical quantity occurring between the probe and the sample when the probe scans a surface of the sample, holding the physical quantity constant to m... | 02/19/2008 |
| 7312924 | Polarizing multiplexer and methods for intra-oral scanning A polarizing multiplexer includes a first arm with a first beam splitter to receive a first unpolarized light from an object and a first retarder coupled to the first beam splitter to generate a first right-hand circularly polarized (RHCP) beam. A normal incident be... | 12/25/2007 |
| 7283254 | Apparatus for shifting reference distance of laser displacement sensor An apparatus for shifting a reference distance of a laser displacement sensor is capable of extending the measuring range in a laser displacement sensor having a fixed reference distance and a fixed measurement range by smoothly changing the traveling path of the la... | 10/16/2007 |
| 7193731 | Optical displacement sensor Optical displacement sensor may possess light-emitting element(s) for projecting light onto distance measurement target(s), and light-receiving element(s) capable of receiving light reflected from distance measurement target(s) and disposed such that light-receiving... | 03/20/2007 |
| 7154112 | Distance measurement sensor A measurement sensor comprising a PSD (30) as an optoelectronic receiver, a transmitter (10, 12) for generating spots (22, 26), optics (14, 32) for reproducing the spots (22′, 26′) on the PSD (30) and means (44, 46, 4... | 12/26/2006 |
| 7062010 | Method for adjusting gap between two objects and exposure method using the same, gap adjusting apparatus, and exposure apparatus There is provided a method of making a gap between first and second objects have a predetermined value. The method includes steps of introducing light to an entry window on the first object, detecting an intensity of light from an exit window on the first object, th... | 06/13/2006 |
| 7012539 | Monitoring method and an optoelectronic sensor An optoelectronic sensor and a method for producing a positive or a negative object detection signal in dependence on the presence or non-presence of an object in a foreground region or in a background region of a region monitored by the sensor. Transmitted light is... | 03/14/2006 |
| 6928863 | Apparatus and method for isolating and measuring movement in a metrology apparatus A metrology apparatus includes an actuator with a first actuator stage to controllably move in first and second orthogonal directions, and a second actuator stage adjacent to the first actuator stage to controllably move in a third direction orthogonal to the first ... | 08/16/2005 |
| 6930763 | Three dimensional sensor laser noise reduction method A method for improving the accuracy of measurements made in non-contact gauging an object utilizing a detector to observe a laser line projected onto a surface of the object. A combination of detector lens f-number adjustments, surface scatter statistics, and laser ... | 08/16/2005 |
| 6853459 | Scanning using position transmission for triggering the recording of measured values The start of the displacement movement is initiated by a software instruction when measuring surface topologies with microscopic resolution. Trigger pulses which serve to trigger the recording of measured values on the sensor are generated in discrete local interval... | 02/08/2005 |
| 6812479 | Sample positioning method for surface optical diagnostics using video imaging Disclosed is a position system and method for correcting the position of a workpiece during a manufacturing process. The system includes a light generating means for projecting a light beam onto the top surface of the workpiece at a predetermined angle and a video c... | 11/02/2004 |
| 6747745 | Displacement sensor In a displacement sensor (10) comprising a sensor head (1) and a controller (2) either integrally or separately, the sensor head comprises a measurement light emitting optical system (113), an image acquiring optical system (127... | 06/08/2004 |
| 6741363 | Method and an apparatus for the optical detection of a contrast line A method is provided for the optical detection of a contrast line in which the area or spatial coordinates of the contrast line are detected, with the detection being performed by a scanner, preferably a laser scanner, which scans the contrast line in a linear manne... | 05/25/2004 |
| 6731384 | Apparatus for detecting foreign particle and defect and the same method An apparatus and method for detecting foreign particle and defect on an object in detection by means of a laser beam, in which the laser beams of different wavelengths are irradiated onto the surface of the object in detection from different angles and the state of ... | 05/04/2004 |
| 6654007 | Coordinate input and detection device and information display and input apparatus A coordinate input and detection device includes a touch panel, light emitting units, a reflective member, intensity distribution detection units, a coordinate detection unit, and filters. Each of light beams projected from the light emitting units travel... | 11/25/2003 |
| 6647891 | Range-finding based image processing rail way servicing apparatus and method A method and an apparatus for identifying a feature of a railway and deploying equipment for servicing same by image processing range data pertaining to the railway feature. The method includes identifying a feature of a railway, wherein the identifying i... | 11/18/2003 |
| 6650401 | Optical distance sensor An optical distance sensor is provided with a substrate on which a light emitting element and a light detecting element are disposed, and a single optical structure including a first converging mechanism for converging a light beam emitted from the light ... | 11/18/2003 |
| 6643396 | Acquisition of 3-D scenes with a single hand held camera The acquisition of 3-D scenes by a single hand-held camera is disclosed. The camera is preferably mounted on a lens attachment with four mirrors, enabling stereo capturing of the scene. The signal processing tasks involved, camera calibration and correspo... | 11/04/2003 |
| 6483536 | Distance measuring apparatus and method employing two image taking devices having different measurement accuracy A distance measuring apparatus is disclosed, which measures the entire image of a target object by employing a light-section method within a short time, without assigning any specific feature to light beams having a beam form obtained by passing through s... | 11/19/2002 |
| 6473190 | Optical volume sensor An optical sensor for measuring the volume of an object, the object having a top and a side. The optical sensor comprises a source of light and a light sensor adapted to measure the amount of light reflected off the side and off the top of the object, whe... | 10/29/2002 |
| 6473189 | Apparatus and method for determining a distance to a reflective surface An apparatus for measuring the distance to a reflective surface. A first light source transmits a first light onto the reflective surface, the first light source being located on a first side of an axis. The reflective surface reflects at least a portion ... | 10/29/2002 |
| 6353478 | Digital range sensor system A digital range sensor comprises a light source, an optical element to focus the light from the source down to a small spot on a target, a second optical element that is mounted obliquely from the source axis, and a prism mounted on a multi-element detect... | 03/05/2002 |
| 6249007 | Non-contact distance measuring apparatus The invention relates to a non-contact distance measuring apparatus, comprising a casing, a distance measuring means located within the casing for measuring the distance between the distance measuring means and an object using electromagnetic radiation, a... | 06/19/2001 |
| 6181425 | Method and system for high speed measuring of microscopic targets A system including confocal and triangulation-based scanners or subsystems provides data which is both acquired and processed under the control of a control algorithm to obtain information such as dimensional information about microscopic targets which ma... | 01/30/2001 |
| 6177998 | Method and system for high speed measuring of microscopic targets A system including confocal and triangulation-based scanners or subsystems provides data which is both acquired and processed under the control of a control algorithm to obtain information such as dimensional information about microscopic targets which ma... | 01/23/2001 |
| 6144038 | Method and device for detecting the position of stacked material A method for detecting the position of stacked flat material wherein at least one light beam is directed onto a side of a pile of the flat material, is reflected therefrom and is evaluated as a measure of the position, includes directing the at least one ... | 11/07/2000 |
| 6127689 | Method and apparatus for positioning a member relative to an object surface A method and apparatus for positioning a member in a desired position relative to a surface of an object including providing positioning means for positioning the member, sensing the attitude of the object surface relative to the member or the positioning... | 10/03/2000 |
| 6098031 | Versatile method and system for high speed, 3D imaging of microscopic targets A system including confocal and triangulation-based scanners or subsystems provides data which is both acquired and processed under the control of a control algorithm to obtain information such as dimensional information about microscopic targets which ma... | 08/01/2000 |
| 6080990 | Position measuring apparatus A position measuring apparatus includes a light source 1, an illumination optical system 100, a light-reception optical system 400 and a light-receiving unit 500. Illuminating beam emitted from the light source 1 is diffracted by a two-dimensional pattern... | 06/27/2000 |
| 6064756 | Apparatus for three dimensional inspection of electronic components A three dimensional inspection apparatus for ball array devices, where the ball array device is positioned in a fixed optical system. An illumination apparatus is positioned for illuminating the ball array device. A first camera is disposed in a fixed foc... | 05/16/2000 |
| 6064757 | Process for three dimensional inspection of electronic components A three dimensional inspection process for ball array devices. The ball array device is positioned in a fixed optical system. The ball array device is illuminated and a first image of the ball array device is taken with a first camera disposed in a fixed ... | 05/16/2000 |
| 6049625 | Method of and an apparatus for 3-dimensional structure estimation A method of 3-dimensional structure estimation of the invention, making use of a plurality of stereo-pictures, repeats, for each pixel of a first picture, a step of extracting corresponding small regions (4) corresponding to the concerning pixel according... | 04/11/2000 |
| 6046447 | Triangulation position detection with fill level control A method and apparatus is provided to detect the position of an object, such as a container, in a target window using the concept of triangulation of energy radiation. A transmitter emits a pulse of energy in response to a periodic clock pulse which is at... | 04/04/2000 |
| 5982493 | Apparatus and method for acquiring multiple images An image station (40) includes multiple light sources (43, 45, 47, 49) emitting lights of different colors to illuminate an object (41) from different directions, thereby forming multiple images of the object (41). Dichroic filters (54, 56, 58) separate l... | 11/09/1999 |
| 5923427 | Optical triangulation distance sensing system and method using a position sensitive detector and an automatic power controlled light source A distance sensing system employs an optical triangulation system and a position sensitive device (PSD). The PSD generates a pair of current signals when a target reflects light from a light source back to the surface of the PSD. An automatic power contro... | 07/13/1999 |
| 5883390 | Method and apparatus for positioning a member in a desired attitude relative to the surface of an object The invention provides a method and apparatus for positioning a member in a desired attitude relative to a surface of an object including, providing a positioning means for positioning the member, providing a non-contact sensor attached to the positioning... | 03/16/1999 |
| 5880459 | Method and apparatus for control of a detector array based imaging A method and apparatus for control of a detector array based imaging system which includes analyzing the output of a photodetector array and modifying or controlling a photodetector array light gathering related variable based on the analysis. In particul... | 03/09/1999 |
