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| Number | Title | Issue Date |
| 7656541 | Optoelectronic apparatus and a method for its operation An apparatus detects an object using an optoelectronic apparatus. Light beams generated by a light source are scattered back and/or reflected by an object and are detected by a receiver arrangement in accordance with the triangulation principle. An object detection ... | 02/02/2010 |
| 7633633 | Position determination that is responsive to a retro-reflective object Utilizing frequency-dependent diffraction (also referred to as dispersion) to determine the angular position of a retro-reflective object within a scanning space. The technique involves dispersing an electromagnetic beam into a scanning space by frequency. If a retr... | 12/15/2009 |
| 7616328 | Method and system for providing a high definition triangulation system A triangulation system including a laser beam, optics focusing the laser beam on an object, a light detection unit detecting light reflected from the object due to impingement of the beam on the object, and an arrangement for determining, based on the detected light... | 11/10/2009 |
| 7616327 | Optical measuring device using optical triangulation An optical triangulation measuring device includes an emmiter that emits two alternating light beams with different wavelengths along the same path; a beam splitter; an optical separator that directs the alternating split beams towards the surfaces from which they a... | 11/10/2009 |
| 7612895 | Apparatus and method for in-situ monitoring of wafer bonding time An apparatus and a method for semiconductor wafer bonding provide in-situ and real time monitoring of semiconductor wafer bonding time. Deflection of the wafer edges during the last phase of the direct bonding process indicates the end of the bonding process. The ap... | 11/03/2009 |
| 7564571 | Method for calibrating a camera-laser-unit in respect to a calibration-object The invention refers to a method for calibrating a camera-laser-unit (1) with respect to at least one calibration-object (12) disposed at a given position and orientation in a three-dimensional space (13). The camera-laser-unit (1) compri... | 07/21/2009 |
| 7400416 | Accurate target orientation measuring system A system for accurate determination of target orientation in a laser tracking system. A target aperture is configured to produce spatially distinct laser beam and background images. A processing unit is configured to determine a centroid of the laser beam image posi... | 07/15/2008 |
| 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 prescribed angle; an image pickup element for shooting the light-irradiated ... | 04/22/2008 |
| 7362442 | Far-field optical microscope with a nanometer-scale resolution based on the in-plane image magnification by surface plasmon polaritons A far-field optical microscope capable of reaching nanometer-scale resolution using the in-plane image magnification by surface plasmon polaritons is presented. The microscope utilizes a microscopy technique based on the optical properties of a metal-dielectric inte... | 04/22/2008 |
| 7359041 | Method and system for optically tracking a target using a triangulation technique An optical position-tracking system comprises a first light beam steering device for sweeping a first light beam through a first angular range to cause a reflection of the first light beam by a target. Additionally, the optical position-tracking system further compr... | 04/15/2008 |
| 7358854 | Method and device to identify a periodic light source In a device for location positioning, and more particularly, in a system for identifying an environmental source emitting a base frequency and waveform signal, a sensor (101) records an environmental source (105) emitting a base frequency and waveform ... | 04/15/2008 |
| 7355682 | Remote center range finder A system for measuring the distance from a first point spaced away from a surface of an object to a second point on a surface of the object along an axis extending through the first and second points includes one or more light projection assemblies for projecting li... | 04/08/2008 |
| 7346999 | Methods and system for inspection of fabricated components Methods and apparatus for inspecting a component are provided. The method includes receiving a plurality of data points that define a shape of the component, fitting the received data points to a curve that defines a predetermined model shape, and comparing the rece... | 03/25/2008 |
| 7349591 | Pressure compensated optical accelerometer, optical inclinometer and seismic sensor system An optical accelerometer includes means for changing the length of at least one optical fiber in response to acceleration functionally coupled to the at least one optical fiber. The fiber and the means for changing length are enclosed in a pressure compensated housi... | 03/25/2008 |
| 7345772 | Optical triangulation device and method of measuring a variable of a web using the device Device and method of measuring a position of an irregular surface. The method includes projecting a spot along a first axis onto the irregular surface, focusing an image of the spot along a second axis onto a detector, wherein the second axis is non-coaxially arrang... | 03/18/2008 |
| 7342717 | Wave field microscope with detection point spread function The present invention relates to two new wave field microscopes, type I and type II, which are distinguished by the fact that they each have an illumination and excitation system, which include at least one real and one virtual illumination source, and at least one ... | 03/11/2008 |
| 7342681 | High-speed calibration method and system for an image-capture apparatus The present invention provides a calibration method and circuit for outputting an average calibration value used in an image-capture apparatus. The calibration circuit comprises difference means accepting a plurality of digital signals from capturing a pixel of a ca... | 03/11/2008 |
| 7339154 | Level detector A level detector includes a light receiving element unit having a plurality of light receiving elements; a first amplifier circuit configured to amplify a light receiving signal; a first gain switching circuit; a first peak hold circuit; an arithmetic control device... | 03/04/2008 |
| 7333219 | Handheld metrology imaging system and method A handheld metrology imaging system and method. In one embodiment, the device may comprise an imaging portion, a display portion, a signal processing and control portion, an image capture activation element and a user interface. The user interface may comprise user ... | 02/19/2008 |
| 7331669 | Device for digital retinal imaging A portable, lightweight digital imaging device uses a slit scanning arrangement to obtain an image of the eye, in particular the retina. The scanning arrangement reduces the amount of target area illuminated at a time, thereby reducing the amount of unwanted light s... | 02/19/2008 |
| 7329859 | Photoelectric encoder A photoelectric encoder that has a lens optical system including a lens inserted between a main scale and a light receiving element. In the photoelectric encoder, three planes extended from a surface of the main scale, a principal plane of the lens, and an image pla... | 02/12/2008 |
| 7322229 | Device and method for measuring the profile of a surface The invention provides a surface profile measurement device for use on rigid or semi-rigid substrates, such as floors. The device includes (a) a beam; (b) at least one beam support mounted on the beam; (c) a sensor assembly slidably connected to said beam and adapte... | 01/29/2008 |
| 7324218 | Method and device for distance measurement The present invention relates to a device (10) for distance measurement, with at least one transmitting branch (14) with a transmission source (22, 24) for a measurement signal for emitting a modulated measuring beam (16, 26, 36) in the d... | 01/29/2008 |
| 7319517 | Wafer chuck illumination device for use in semiconductor manufacturing equipment A wafer chuck illumination device for illuminating a light source to detect a position of foreign substances polluting a wafer chuck is provided. The device includes a lamp for generating a white light source, and a collimator lens for transforming the white light s... | 01/15/2008 |
| 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 the reference distance Dref is set roughly by using a light receiving... | 12/25/2007 |
| 7310154 | Shape measurement system An image capturing apparatus for capturing an image of an object. The image capturing apparatus includes a correspondence detector which detects a correspondence of characteristic points of an object based upon captured images of the object. A motion detector detect... | 12/18/2007 |
| 7283892 | Hybrid compact sensing apparatus for adaptive robotic processes A hybrid compact sensing apparatus for generating signals usable for guiding a process robot as a function of an object detected in a scene. The apparatus comprises a laser light generator, two optical sensors, one or more ultrasound sensors, and a control unit, all... | 10/16/2007 |
| 7283256 | Method and apparatus for measuring wafer thickness A system for non-contact measurement of thickness of a test object. A laser beam is split into two identical directly opposed input beams. A calibration object of known thickness causes beams to be reflected from sides of the test object. Each reflected beam passes ... | 10/16/2007 |
| 7277187 | Overhead dimensioning system and method A system and method for dimensioning large or palletized freight of one or more pieces determines the dimensions of a rectangular prism having the smallest volume which would contain the freight. The system is capable of being positioned remotely from the freight. T... | 10/02/2007 |
| 7277188 | Systems and methods for implementing an interaction between a laser shaped as a line beam and a film deposited on a substrate Systems and methods are disclosed for focusing a beam for an interaction with a film deposited on a substrate wherein the focused beam defines a short axis and a long axis. In one aspect, the system may include a detecting system to analyze light reflected from the ... | 10/02/2007 |
| 7268893 | Optical projection system There is provided an optical projection system for projecting an image onto an object that is being manufactured and/or inspected. The system includes an image-projecting device, a target-locating device for determining the orientation of the image-projecting device... | 09/11/2007 |
| 7263217 | Three-dimensional monitoring apparatus To provide a three-dimensional monitoring apparatus capable of detecting with high accuracy an incoming of an object into a predetermined three-dimensional space by using pattern light as a detecting carrier. A three-dimensional monitoring apparatus comprising (1) a... | 08/28/2007 |
| 7256899 | Wireless methods and systems for three-dimensional non-contact shape sensing Methods for acquiring an approximation of the surface geometry of a 3-dimensional object include projecting pattern of structured light on the object, moving the pattern with respect to the object, acquiring images of the intersection of the light on the object over... | 08/14/2007 |
| 7245386 | Object measuring device and associated methods A device for measuring one or more dimensions of an object. One or more light emitters direct light towards the object. At least one light blocking element, arranged between the light emitters and the object, blocks all but a bundle of light to form a light edge on ... | 07/17/2007 |
| 7245741 | Method and device for determining whether the interior of a vehicle is occupied The invention relates to a system for determining whether the interior of a vehicle is occupied. The inventive device comprises image acquisition means (10) for acquiring images of an area of the vehicle interior, an image acquisition data generation unit ( | 07/17/2007 |
| 7240849 | Glyph pattern generation and glyph pattern decoding Unique patterns of glyphs are represented within blocks. Each pattern identifies a unique position on a unit of print media. Moreover, a desired current position for any given glyph or subset of glyphs can be derived from captured portions of different ones of the u... | 07/10/2007 |
| 7230701 | Compact spectroscopic ellipsometer The invention concerns an ellipsometer comprising: a source (2) capable of emitting a broadband ray (4), a polarizer (10) for producing a polarised incident beam (12) adapted to illuminate a sample (16) according to at least a sele... | 06/12/2007 |
| 7229017 | Laser locating and tracking system for externally activated tags A system for identification and tracking of a tag distributed in a room is presented. A laser base station is configured to scan laser beams through a portion of a room. A tag is configured to be reactive to incident laser beams scanned from the laser base station t... | 06/12/2007 |
| 7227648 | Method and apparatus for a touch-free examination of objects, particularly regarding the surface character of the same A method and apparatus for optically examining an object in a contactless manner, in which light successively impinges upon the surface of an object being examined. The different sources of light strike the object surface at different angles of incidence and reflect... | 06/05/2007 |
| 7224431 | Lithographic apparatus and device manufacturing method In, for example, an immersion lithography apparatus, a sensor that would normally be provided on the substrate table is replaced by a retro-reflector on the substrate table and a sensor at, for example, patterning device level. This may avoid the need to make the se... | 05/29/2007 |