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| Number | Title | Issue Date |
| 8183549 | Substrate holding apparatus, and inspection or processing apparatus In order to enable high accuracy positioning and strong pressing of a substrate, the present invention provides a substrate holding apparatus including: a rotating bed having an inclined surface supporting a lower side of an outer circumferential side surface of the... | 05/22/2012 |
| 7999242 | Substrate holding apparatus, and inspection or processing apparatus In order to enable high accuracy positioning and strong pressing of a substrate, the present invention provides a substrate holding apparatus including: a rotating bed having an inclined surface supporting a lower side of an outer circumferential side surface of the... | 08/16/2011 |
| 7723709 | Substrate holding apparatus, and inspection or processing apparatus In order to enable high accuracy positioning and strong pressing of a substrate, the present invention provides a substrate holding apparatus including: a rotating bed having an inclined surface supporting a lower side of an outer circumferential side surface of the... | 05/25/2010 |
| 7315018 | Machine tool analysis device and method The invention relates to a device and method for analysis of a tool (50) e.g. used on a machine tool. A tool detector (5) includes a light emitter (12) and a light receiver (34). Tool (50) when progressed into a beam (20) of... | 01/01/2008 |
| 7256898 | Method and device for determining the position of rotationally drivable tools To determine the position of rotationally drivable tools in machine tools, the moment of separation of the tool to be measured and a measuring beam, for example a laser beam of a light barrier, is used. The tool to be measured is first positioned in such a manner th... | 08/14/2007 |
| 7210321 | Method and apparatus for measuring centerline runout and out of roundness of a shaft The centreline runout (a) and out of roundness (b) of a shaft (100) is measured by measuring the distance between the central longitudinal axis (102) of the shaft (100) and each of a plurality of angularly spaced measurement points (103) ... | 05/01/2007 |
| 7161687 | Optical method and device for performing geometrical measurements A light source (1) sends towards an object under test (5) a light beam (2) with such a size as to encompass the object (5). Past the object, the beam (2) is processed by an optical processing system (6), comprising a band-pa... | 01/09/2007 |
| 7070483 | Automated drill bit re-sharpening and verification system A completely automated apparatus for verifying the identity and geometry of drill bits, re-sharpening the cutting tip of a drill bit and re-positioning a locating ring upon the shank portion of the drill bit subsequent to the re-sharpening of the cutting tip thereof... | 07/04/2006 |
| 7053392 | Optical measuring apparatus for measuring objects on machines The present invention teaches a method and apparatus for making measurement of an object on a machine, such as a machine tool, using an optical measuring apparatus which includes a light source for generating a beam of light which is incident on a detector. A detect... | 05/30/2006 |
| 7026637 | Method and system for measuring runout of a rotating tool A method, system, and computer program product for measuring runout of a rotating tool are provided. A rotating tool is illuminated with a coherent electromagnetic radiation. The tool has an axis and a reflective surface, and completes a rotation in one period. The ... | 04/11/2006 |
| 7027640 | Method and apparatus for inspecting defects on polishing pads to be used with chemical mechanical polishing apparatus The present invention provides an apparatus and method for detecting or inspecting defects on a polishing pad for use in performing chemical mechanical polishing of a wafer. The apparatus for detecting the defects on the pad comprises a pad driving device for loadin... | 04/11/2006 |
| 6878953 | Optical measuring apparatus for measuring objects on machines The present invention teaches a method and apparatus for making measurement of an object on a machine, such as a machine tool, using an optical measuring apparatus which includes a light source for generating a beam of light which is incident on a detector. A detect... | 04/12/2005 |
| 6606403 | Repetitive inspection system with intelligent tools An automatic system for illuminating, inspecting and measuring stents and other precision cut tubes and components made of a: a linear array electronic camera with a lens, a light source to provide necessary illumination to create an image on said linear ... | 08/12/2003 |
| 6496273 | Position determining apparatus for coordinate positioning machine Described is a device which enables toolsetting on a machine tool. The device includes a light emitting unit (10) and a light detecting unit (14). A light source (30) causes a light beam (12) to propagate from the emitting unit (10) to the detecting unit ... | 12/17/2002 |
| 6462822 | Method and apparatus for detecting overhead transparencies This invention relates to a method and apparatus for detecting overhead transparencies (OHT), such as a dual OHT. Dual overhead transparencies, preferably, have a coating on one side that is compatible with ink jet-type printers and a coating on the other... | 10/08/2002 |
| 6266142 | Noncontact position and orientation measurement system and method A noncontact position and orientation measurement system includes at least four beacons disposed on a first object. Each beacon is operable to generate an optical signal. The system also includes a beacon controller operable to sequentially activate and d... | 07/24/2001 |
| 6091834 | Method of illuminating a digital representation of an image An illumination unit for positioning adjacent a record medium support surface of an analyze scanner on which a record medium to be scanned is positioned in use. The unit comprises a housing with a slot extending at least partially along its length. At lea... | 07/18/2000 |
| 6037581 | Device for recording a change in position at a turbine configuration A turbine configuration includes a turbine shaft having a surface, and/or turbine blades fastened to the turbine shaft and having surfaces, and a turbine casing surrounding the turbine blades. When the turbine is in operation, a radial gap occurring betwe... | 03/14/2000 |
| 5981937 | Optical system for observing rotating objects An optical system including a stage for supporting a material to be observed and mounted for rotation on a given axis, a Dove prism mounted for rotation on the given axis and having an optical axis aligned therewith, a drive mechanism, a prism coupling me... | 11/09/1999 |
| 5572039 | Method and apparatus for observing a gap The assessment of clearance conditions in an operating turbine structure has provide difficult to achieve. The invention provides apparatus which enables the clearance between seal fins on rotating blades and adjacent fixed structure, to be observed durin... | 11/05/1996 |
| 5557099 | Signal device for turbo-engines using an optical probe with an elliptical shaped light beam A signal device for turbo-engines which, by way of moving blades arranged on a rotor, when passing through a defined circumferential position of the housing, generates signals which are precise with respect to time. The device includes a probe which has f... | 09/17/1996 |
| 5262653 | Scanner for napless areas on a web having beams trained tangentially thereon In order to provide a device for the lateral scanning of napless areas of fabric webs which operates automatically with great accuracy and reliability even at high web speeds while being of relatively simple construction, it is proposed to cause the fabri... | 11/16/1993 |
| 5162659 | Method and apparatus for noncontact inspection of engine blades A laser scanning device is employed in conjunction with a unique blade mounting assembly to provide for the noncontact inspection of turbojet engine blades. The laser scanner provides a stationary laser scanning beam. The blade mounting assembly includes ... | 11/10/1992 |
| 5004930 | Method and device for setting the angular position of a workpiece on a machine-tool by means of a laser beam The invention concerns a method of precisely setting a workpiece (3) having a non-circular contour in a predetermined angular position. The workpiece (3) is placed in the path of a mobile laser beam (F) produced by a laser generator (10) and sweeping an a... | 04/02/1991 |
| 4982103 | Process and apparatus for the non-contact measurement of the geometric contours of a part Process and apparatus for measuring or checking the geometric contours of a part without contact, wherein the part is illuminated by a focussed laser beam and a reflected ray is detected by means of an array of photo diodes, the position of the part and t... | 01/01/1991 |
| 4977331 | Method of and apparatus for detecting the degree of filling of supply spools on a spinning or twisting frame Spool change in a spinning and twisting frame is triggered automatically by repetitively monitoring a row of spools with a light curtain and triggering the spool change when the measured diameter falls below the predetermined minimum value.... | 12/11/1990 |
| 4972090 | Method and apparatus for measuring and inspecting articles of manufacture for configuration An inspection and measuring apparatus comprises a housing, having a holder for supporting a workpiece for rotation about a first vertical axis and for limited rotation about an orthogonal axis, a light beam supported out from a second vertical axis for po... | 11/20/1990 |
| 4877970 | Process for measuring contour configurations of articles defined by numerous cylindrical surface portions A process for measuring the contour configuration of an article defined by numerous cylindrical surface portions, is disclosed, which process comprises placing the article on a turntable, irradiating parallel light beams upon one side portion of the artic... | 10/31/1989 |
| 4417147 | Method and apparatus for measuring runout in a cylindrical object In a method and apparatus for determining runout in a cylindrical object, particularly a cutting or boring tool such as a drill bit or reamer, the object is rotated and a collimated beam of light is directed transversely at the rotating object so as to ca... | 11/22/1983 |
| 4324982 | Pipe wall thickness monitoring apparatus Two boxes are mounted in vertical alignment adjacent a cylindrical mandrel surface, one above the mandrel axis and one below. The lower box contains a light source with a rectilinear filament parallel to the mandrel axis. The upper box contains an array o... | 04/13/1982 |
