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8132802 |
Apparatus for quickly retaining and releasing parts to be optically measured
An apparatus for quickly retaining and releasing parts having a wide range of sizes and designs at an optical measurement station is provided. The apparatus includes a rod having proximal and...
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7835014 |
Position measuring arrangement
A method for absolute position measuring that includes scanning a code having code elements arranged one behind the other in a measuring direction, wherein the code elements include sequential...
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7821714 |
Apparatus and method for measuring aerial image of EUV mask
An apparatus for measuring an image of a pattern to be formed on a semiconductor by scanning the pattern using a scanner, the apparatus including an EUV mask including the pattern, a zoneplate lens...
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7796278 |
Method for precisely measuring position of a part to be inspected at a part inspection station
A method for precisely measuring position of a part to be inspected at a part inspection station is provided. The method includes positioning a part having a part axis relative to a measurement...
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7768660 |
Non-destructive approach to ellipsometric monitoring of a film coating on the inner surface of a tube shaped sample
Disclosed is the use of a focused electromagnetic beam which is caused to impinge on the top surface of a tube shaped sample, to investigate a film coating on its inner surface during fabrication...
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7738121 |
Method and inspection head apparatus for optically measuring geometric dimensions of a part
A method and inspection head apparatus for optically measuring geometric dimensions of a part are provided. The method optically measures the geometric dimensions of a part having a part axis at an...
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7728976 |
Determining photoresist parameters using optical metrology
To generate a simulated diffraction signal, one or more values of one or more photoresist parameters, which characterize behavior of photoresist when the photoresist undergoes processing steps in a...
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7605929 |
Apparatus and method for measuring structural parts
This present invention relates to an apparatus for measuring structural parts which includes a measuring system having at least two sensors for optoelectronic scanning of such a structural part...
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7476856 |
Sample dimension-measuring method and charged particle beam apparatus
A method and apparatus for efficiently executing two types of measurements with an optical measuring device and a scanning electron microscope are provided. For example, the method and apparatus...
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7421363 |
Method for virtual inspection of virtually machined parts
A method for implementing a virtual inspection of a virtually machined workpiece is disclosed. In an exemplary embodiment, the method includes defining a set of master reference planes, defining a...
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7336375 |
Wireless methods and systems for three-dimensional non-contact shape sensing
Systems for acquiring an approximation of the surface geometry of a 3-dimensional object include a self-powered wireless, non-contact optical scanner, the location and orientation of which may be...
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7292354 |
Apparatus for photoelectric measurement of an original
An apparatus for the photoelectric measurement of an essentially planar measurement original includes a photoelectric scanner and a positioning arrangement for the two dimensional movement of the...
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7253910 |
Optical measuring device
An optical measuring device capable of improving the precision of detection of contamination on a protective glass is disclosed. With threshold values as large as 90%, 50%, 10% of a peak value of a...
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7187457 |
Apparatus for measuring sizes of articles
An apparatus for measuring sizes of articles including a light projecting device for projecting light toward an article placed on a stationary transparent plate from one side of the plate, a...
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6956661 |
Device for measuring external and internal dimensions and distances between measurement objects
Device measures external and internal dimensions of measurement objects using a light source for illuminating a slit diaphragm, in front of or behind which a spirally slotted disc is arranged, slit...
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6929110 |
Coin chute with optical coin discrimination
Systems and techniques for providing an improved coin acceptor are described. In one aspect, an electronic coin acceptor exaggerates relatively small differences in coin diameters. A coin deposited...
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6602716 |
Method and device for referencing fluorescence intensity signals
A method and device for fluorimetric determination of a biological, chemical or physical parameter of a sample utilize at least two different luminescent materials, the first of which is sensitive...
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6531672 |
Apparatus for sorting and counting spherical objects
The present invention is directed to an apparatus and method for efficiently and accurately sorting spherical objects based on their diameters. The apparatus of the present invention comprises a...
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6292263 |
Three-dimensional measuring apparatus
A 3D measuring apparatus is disclosed, in which a light beam is projected in such a manner as to raster scan toward a virtual surface. Specific data corresponding to the angle of incidence of the...
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6268918 |
Three-dimensional input device
An apparatus and method for detecting a three-dimensional image. The apparatus includes a projector which projects a reference light on an object; an image sensor which senses an image of the...
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6233050 |
Apparatus and process for measuring the unroundness and diameter of railway wheels
Apparatus and process for measuring the unroundness and diameter of railway wheels in which a rolling rail is provided on which rolls a railway wheel to be measured, and a guard-rail centers the...
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6061127 |
Device for registering parameters of an elongated test material
A device for registering parameters of an elongated test material that takes up little space, can be manufactured easily and is cost-effective includes a light source for illuminating at least one...
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5936737 |
Wheelset sensing system
A process for measuring the wheel profiles of wheels of wheelsets in which the wheelsets are moved past a series of a least twenty-six separate sensors while being rotated and moved at specified...
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5930143 |
Equipment for measuring the dimensions of tools of machines for mechanical working
The equipment comprises a main support structure fixable close to the machine and in which a laser source is mounted, and a receiver for providing electrical signals indicative of the strength of...
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5877506 |
Method and device for monitoring blanks or revenue seals for cigarette packages
With rapidly-operating packaging machines for cigarette packages, monitoring of blanks is becoming increasingly necessary, such a system supervising the feed of correct blanks in the correct...
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5867273 |
Automated measurements and visualization system
Graphical representations of a machine structure desired to be measured are pre-stored in a video storage device. A user selects dimensions of the machine to be measured through a manual input...
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5864404 |
Process and apparatus for measuring the volume of an object by means of a laser scanner and a CCD detector
The process uses information from the scan sweeps of a laser scanner, and readings with a CCD reader, to obtain a series of stipulated areas corresponding to successive cross-sections of the object...
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5841542 |
Opto-electronic measuring apparatus for checking linear dimensions
An apparatus for checking linear dimensions of a workpiece (10) according to the shadow casting technique, including a bed (1), a first support structure (5, 6) sustained by the bed for supporting...
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5805286 |
Process for determination of the position of a vehicle in a plane of travel
Described is a process for determination of the position of a vehicle in a plane of travel by means of a laser beam transmitted by a sensor, mounted on the vehicle, parallel to the plane of travel...
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5737067 |
Length and elongation sensor
A length and elongation sensor includes an elastomeric optical wave guide d a time domain reflectometer. The elastomeric optical wave guide consists of a urethane outer cladding and an optical gel...
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5636029 |
Elliptical laser probe for shadow mask
A laser probe for measuring apertures in a sheet of material has a laser beam and a detection system. The laser beam has a major axis and a minor axis which are orthogonal to each other. The major...
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5469262 |
Dimension-measuring apparatus
An apparatus for measuring the dimensions or volume of an object on a conveyor is disclosed. A light source on one side of the conveyor is focused onto a spinning scanning drum having a pattern of...
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5448363 |
Food sorting by reflection of periodically scanned laser beam
In a machine for sorting food pieces such as potatoes the pieces are dropped one at a time through scanned laser beams that sequentially scan over its surface on all sides. Detectors measure laser...
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5402239 |
Method of measuring orientation flat width of single crystal ingot
Disclosed is a method of measuring the OF width of a cylindrical single crystal ingot using an optical non-contact type displacement measuring device. This method can avoid the labor and...
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5291272 |
Method and apparatus for measuring dimensional variables of threaded pipe
A non-contact method and apparatus for measuring dimensional variables of a threaded exterior surface of a length of pipe utilizes at least one laser generated parallel scanning light beam...
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5026165 |
Drill diameter measuring machine
A machine for measuring the diameter of both step and standard refurbished twist drills using a laser micrometer is disclosed. The drill (23) to be measured is inserted, cutting end down, in a...
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4938599 |
Non-contact optical gauge
Non-contact gauges and methods of optical measurement are provided which include storing a signature indicative of an error associated with measuring a known dimension and then determining an...
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4855608 |
Laser curtain having an array of parabolic mirrors each focusing radiation on a corresponding detector positioned in mirror's focal point
A laser beam fanned into a triangular plane configuration by mirrors, succeeding additional mirrors focusing the laser curtain rays back onto a spot, the spot having a light detecting, electrical...
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4748332 |
Apparatus for detecting the longitudinal edges of a rod-shaped object
An apparatus for detecting the longitudinal edges of a rod-shaped object moving in its longitudinal direction, in particular a tobacco or filter rod, comprises a light source, at least one beam...
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4676648 |
Method and apparatus for non-contact determination of run-out of a rotating body
A method and an apparatus for determination of run-out of a rotating body, especially an automobile tire, without the need for mechanically contacting the rotating body. The apparatus includes a...
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4557602 |
Edge detector in optical measuring instrument
An edge detector in an optical measuring instrument, for detecting a transmitted light or reflected light to directly or indirectly measure dimensions of an object being measured, comprising: a...
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4553217 |
Glassware gauging system
A non-contact optical gauger for measuring glassware articles of manufacture at the hot end of an individual section machine. As the manufactured glassware is being conveyed away from the...
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4461575 |
Reference marker/correlation scheme for optical measurements
An optical measurement technique enables optical signal processing apparatus to eliminate the effects of environmental noise during scanning of a workpiece, wherein successive optical slices...
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4306811 |
Device for contactless measurement of dimensions
An apparatus for measuring a dimension of a workpiece, for instance a worece being machined on a lathe, comprises a unit which may be moved toward and away from the workpiece. That unit includes a...
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4299492 |
Laser measuring system for incremental assemblies
A laser measuring system for incremental assemblies such as wire-wrapped frame assemblies used in spark chambers and the like is disclosed. The system utilizes a laser (10), an interferometer (11)...
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4279513 |
Optical inspection system for large parts and for multiple measurements
An optical-electronic measurement system wherein only the images of workpiece edges from which measurements are to be taken are coupled to identifiable locations on the photocathode of a...
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4269514 |
Non-contact scanning gage
A non-contact gage for continuously measuring the diameter of a moving member such as a wire or rod employs a source of radiant energy, a scanner and a radiant energy detector aligned across the...
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4243325 |
Optical distance measuring instrument
An instrument for measuring a dimension of an object is disclosed including a rotatable disc defining at least one translucent involute slit proceeding from a base circle centered at the center of...
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4198165 |
Apparatus and method for measuring an object
An apparatus for measuring an object comprises a rotatable fixture that holds the object to be measured with one end positioned at a fixed location spaced from the axis of rotation of the fixture...
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4192613 |
Contour detecting and dimension measuring apparatus
Apparatus for detecting contours and measuring dimensions of an object employs a plurality of light transmitting means for transmitting a scan of an equal plurality of light rays, and also employs...
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