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| Number | Title | Issue Date |
| 7462855 | Optical recording and reproducing apparatus, optical head, optical recording and reproducing method and skew detection method An optical recording and reproducing apparatus for recording and/or reproducing an optical recording medium by irradiating light from a light source to the optical recording medium as near-field light from a near-field light irradiating unit includes a light source ... | 12/09/2008 |
| 7385214 | System and method for correcting systematic error of, and calibrating for, tilt angle of surface topology sensor head having plurality of distance sensors The invention relates to a measuring arrangement comprising a sensor head (13) that can be displaced over a surface (11) at a distance therefrom in a scanning direction (R), a plurality of distance sensors which are suitable for distance measurement an... | 06/10/2008 |
| 7345293 | Device and method for inspecting piston ring A piston-ring inspecting device includes a sensor unit (27) including a light emitting system (27a) that emits slit-like detection light toward an outer peripheral surface (Ps) of a piston (P) and an outer peripheral surface (2c) o... | 03/18/2008 |
| 7317672 | Optical head An optical head includes the following: a light beam separator (35) that includes substantial interference regions for light that is reflected from an information recording medium and travels in a straight path and ±first-order diffracted light produced by i... | 01/08/2008 |
| 7312861 | Method and apparatus for measuring the angular orientation between two surfaces A device and method are disclosed that measure the relative angular orientation between two surfaces. Two frames are mounted on the two surfaces to be measured. One frame has a collimated light source and a measuring scale. The other frame has a mirror. The collimat... | 12/25/2007 |
| 7301616 | Method and apparatus for object alignment The present invention relates to a method and apparatus for alignment of two mechanical parts. An inventive measuring device has a housing comprising a light source and a detector for detection of light beams. The light source is capable of transmitting a light beam... | 11/27/2007 |
| 7266058 | Objective lens drive having optical axis adjustment function An objective lens drive having an optical axis adjustment function. An objective lens is supported by a lens holder, and the lens holder is supported on a suspension holder by way of a suspension. The suspension holder is supported so as to be rotatable about an axi... | 09/04/2007 |
| 7259842 | Optical inclinometer The invention relates to an optical inclinometer, in which radiation is emitted form a radiation source. After passing through a receptacle containing at least one first medium, said radiation is reproduced in a camera. Information concerning the inclination of the ... | 08/21/2007 |
| 7242465 | Device and process for quantitative assessment of the orientation of two machines relative to one another A device for quantitative assessment of the orientation of two machines relative to one another has auxiliary devices in the form of extenders or holding devices (40, 50) on which displacement and/or mounting of light transmitting or receiving devices (44,... | 07/10/2007 |
| 7227164 | Media width detecting apparatus What is disclosed: is a media width detecting apparatus comprising: a first media detecting section to detect media, a second media detecting section put downward from said first media detecting section, to detect media; wherein said second detecting section decide ... | 06/05/2007 |
| 7224645 | Optical information processing system using optical aberrations and information medium having recording layer protected by transparent layer having thickness irregularity A thickness servo system using optical aberrations, wherein a photodetector detects an aberration amount corresponding to thickness irregularity, and a thickness irregularity correction section operates to minimize the detected aberration amount. The thickness irreg... | 05/29/2007 |
| 7206663 | Calibration cassette pod for robot teaching and method of using A calibration cassette pod for robot teaching and a method of using the calibration cassette pod are described. In the calibration cassette pod, a cassette pod body and a cassette pod door are first provided wherein the cassette pod body is constructed of a top pane... | 04/17/2007 |
| 7188444 | Firearm orientation and drop sensor system A sensor system for detecting jarring, acceleration or other application of force to a firearm, and/or movement of the firearm into an undesired orientation, which includes a sensor array mounted to a firearm. The sensor array detects the excessive acceleration and/... | 03/13/2007 |
| 7180606 | Machine vision system for measuring heights of items A machine vision system (1) has two laser sources (2, 3) to illuminate a solder deposit from both sides for comprehensive coverage without occlusion. The camera (4) has an FGPA (32) programmed to define a subset of the sensor array (20... | 02/20/2007 |
| 7133573 | Document skew accommodation A method to be used within a document image capture device, such as a document scanner (10) of detecting and measuring the document skew (25) while the document is still entering the imaging area and then effecting a rotation of the camera to accommoda... | 11/07/2006 |
| 7129508 | Compact VCSEL sensor with multiple sensing capabilities The invention includes also a sensor tat includes at least one laser, at least one detector, and at least one lens system that includes a sensor surface having three individual surfaces that are virtually the same, and an object surface having two individual surface... | 10/31/2006 |
| 7129507 | Chip mis-position detection method The invention is a method for detecting float or peel of semiconductor chips arranged in X and Y axes directions diced and bonded to a dicing tape on a stage. The method includes detecting float or peel of the semiconductor chips in a respective horizontal or longit... | 10/31/2006 |
| 7126145 | Frame transfer prober A frame transfer prober 1, for carrying out an electrical property test on a number of semiconductor chips 10 fixed on a dicing tape 11, comprises a separation detection unit 9 for detecting the separation and/or protrusion of the semicon... | 10/24/2006 |
| 7110153 | Optical apparatus and laser display apparatus having laser beam scanner each An optical apparatus is disclosed which has a scanner for scanning a predetermined area with a laser beam. The optical apparatus comprises: a laser source; a scanner having a scanning mirror for causing a laser beam generated by the laser source to scan; an angle se... | 09/19/2006 |
| 7099054 | Image scanning apparatus capable of positioning a scan-starting point An image scanning apparatus with scan-starting point positioning function comprising a casing, a carriage and a calibration sheet is provided. Of which, the casing comprises a scan-platform used to place documents to be scanned, while the calibration sheet, which is... | 08/29/2006 |
| 7088659 | Optical disk apparatus and tilt detection method An optical disk apparatus includes a laser diode, and a light from the laser diode becomes a parallel light by a collimator lens, which is reflected toward an object lens by a reflection mirror. The parallel light transmitted through a through-hole provided on an ob... | 08/08/2006 |
| 7068408 | Optical apparatus and laser display apparatus having laser beam scanner each An optical apparatus is disclosed which has a scanner for scanning a predetermined area with a laser beam. The optical apparatus comprises: a laser source; a scanner having a scanning mirror for causing a laser beam generated by the laser source to scan; an angle se... | 06/27/2006 |
| 7034279 | Method and system for printhead rotation detection using photosensors A method and apparatus is used to detect and compensate for printhead rotation in an inkjet printer. The detecting operation includes receiving an initial image of a pattern taken from a medium as the printhead passes over the medium, receiving a subsequent image of... | 04/25/2006 |
| 7021882 | Drive-section-isolated FOUP opener A drive-section-isolated FOUP opener opens and closes a door of a FOUP which contains a plurality of semiconductor wafers. The FOUP opener includes a dock plate for carrying and positioning the FOUP; a dock moving mechanism for moving the dock plate to a position fo... | 04/04/2006 |
| 6968625 | Device and method for alignment of components The invention relates to a device for alignment of a first component (1; 25) and a second component (2; 26) in a predetermined relation to each other, comprising first measuring unit (7; 7′; 7″) arranged to be mounted on said first component... | 11/29/2005 |
| 6966120 | Process and measurement device for determining the alignment of a cylindrical body A process for determining the alignment of a cylindrical body with respect to a reference direction by means of a measurement device which has a first and a second attachment area and a position measurement probe which is calibrated to the reference direction and is... | 11/22/2005 |
| 6950548 | Creating geometric model descriptions for use in machine vision inspection systems A method and system create a geometric object model for use in machine vision inspection. A pixel image representation of an object is acquired. Based on this pixel image representation, part models for the parts of the object are generated. Each part model correspo... | 09/27/2005 |
| 6927864 | Method and system for determining dimensions of optically recognizable features A method and system for determining dimensions of optically recognizable features provides a low-cost and efficient high speed/high resolution measurement system for determining surface feature dimensions. Multiple imaging subsystems are arranged at predetermined di... | 08/09/2005 |
| 6920235 | Method and instrument for determining the distortion angles in textile fabrics or similar, whether fixed or in movement A method for determining the angles of oblique and arched distortion in a textile fabric, with the use of at least one optical detector with axes of symmetry orienated with respect to the fabric, includes illuminating an area of the fabric with a light source. A rea... | 07/19/2005 |
| 6903857 | Optical apparatus and laser display apparatus having laser beam scanner each An optical apparatus is disclosed which has a scanner for scanning a predetermined area with a laser beam. The optical apparatus comprises: a laser source; a scanner having a scanning mirror for causing a laser beam generated by the laser source to scan; an angle se... | 06/07/2005 |
| 6891183 | Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatus An ultrasonic-welding apparatus including: a cradle, onto which two work pieces are mounted, and which can rotate around an axis vertical to the welding surface of the work pieces; a welding horn, which carries out welding using ultrasonic energy while sandwiching t... | 05/10/2005 |
| 6813377 | Methods and apparatuses for generating a model of an object from an image of the object A method and an apparatus are disclosed for generating a model of an object from an image of the object. First, an orientation of the object in the image is determined through the generation of, and subsequent evaluation of, at least a portion of a frequency respons... | 11/02/2004 |
| 6707053 | Tilt detector A tilt detector for detecting a tilt amount of a recording surface of an optical disc at a high degree of precision. The tilt detector comprises a light emitting diode for emitting a divergent beam of light to be incident on the recording surface of the optical disc... | 03/16/2004 |
| 6653944 | Semiconductor wafer transport pod equipped with cover latch indicator A pod for transporting a cassette of semiconductor wafers that is equipped with a cover latch indicator is described. The pod is constructed by a base, a cover, a latch means and an indicator means. The base is used to support the cassette positioned ther... | 11/25/2003 |
| 6650769 | Review station and appearance inspection device for checking semiconductor wafers A review station comprising a wafer chuck capable of turning by at least 270 degrees, and an X-Y stage that moves over a distance one-half the diameter of a semiconductor wafer. Each of four regions obtained by dividing the surface of the semiconductor wa... | 11/18/2003 |
| 6639239 | Angle rejection filter A method and apparatus reduces undesirable glints in an optical position alignment sensor designed to orient components. Collimated light is provided onto the component. A filter is positioned behind the components and is used to block glint generated by ... | 10/28/2003 |
| 6566642 | Image recording apparatus and image recording method In an image recording apparatus which records an image on a recording medium by moving (subscanning) the recording medium while the recording medium is scanned (main scanning) with a scanner, a feed amount of the photosensitive material is detected by a d... | 05/20/2003 |
| 6545284 | Face position detection method and apparatus, and exposure method and exposure apparatus, a production method for an exposure apparatus and a production method for a semiconductor device The invention provides a face position detection method and a face position detection apparatus which can perform detection of the face position of a substrate with high precision, even when a pattern having a large stepped portion is formed by means of a... | 04/08/2003 |
| 6542839 | Apparatus and method for calibrating the position of a cassette indexer An apparatus and a method for calibrating the position of a cassette indexer in a semiconductor process machine are described. The apparatus is constructed by a base plate, a top plate and at least two support members rigidly attaching the top plate to th... | 04/01/2003 |
| 6538252 | Method and device for determining the alignment of line formations in areal, especially longitudinally moved, webs of a structural formed body In a method for determining alignment of line formations of a web, a radiation source emitting radiation and a detector with numerous radiation sensors for sensing the radiation are provided. The radiation source and the detector are reciprocated together... | 03/25/2003 |
