Patents
Patents for G01B 21 - Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the other groups of this subclass (25,042)
05/1994
05/03/1994US5308974 Scanning probe microscope using stored data for vertical probe positioning
05/03/1994CA1329244C Absolute position detecting method and apparatus therefor
04/1994
04/30/1994CA2106229A1 Automated diameter guaging system
04/27/1994EP0594532A1 Device for measuring the angle of bend of a sheet
04/27/1994EP0593476A1 Apparatus and method for determining a center and measuring with reference thereto
04/27/1994EP0548126B1 Apparatus for checking features of a plurality of mechanical pieces
04/26/1994US5307294 Automated end tally system
04/26/1994US5307291 Instrument for analysis of levitation of rapidly moving structure such as a magnetic tape across an air gap
04/26/1994US5306918 Installation for the study or the transformation of the surface of samples placed in a vacuum or in a controlled atmosphere
04/21/1994DE4335249A1 Measurement of surface contour of object - displacing detector wrt object in measurement surface according to data generated using external contour similar to object profile
04/20/1994EP0592515A1 Spatial measurement recovery system
04/19/1994US5305241 Error correcting apparatus in position detection
04/19/1994US5304924 Edge detector
04/19/1994US5303574 Evaluation of the extent of wear of articles
04/14/1994WO1994008207A1 Position sensors
04/14/1994WO1994008205A1 Method of measuring the coordinates of workpieces
04/14/1994WO1994008204A1 Profilometer stylus assembly insensitive to vibration
04/13/1994EP0591283A1 A method for determining the rotational position of a crankshaft of an internal combustion engine.
04/12/1994CA1328508C Method and apparatus for determining the length of a flexible web or string material
04/07/1994DE4233399A1 Force microscope with cantilevered point and deflection photodetector - is based on measurement of astigmatism in compact sensor head revolvable into path of optical microscope
04/05/1994US5299361 Multi-coordinate probe
03/1994
03/31/1994DE4327250A1 Workpiece optical coordinates measuring system - using video camera coupled to monitor for visual examination of mechanically scanned workpiece surface
03/31/1994DE4232412A1 Forestry integrated data acquisition system - contains manual control unit mounted on clothing for input of data from electronic tape measure or laser distance meter and coupled to computer and/or storage unit by wireless radio link
03/31/1994DE4232201A1 Vehicle tyre cross-section measuring device - uses two optical or ultrasonic reflection measuring devices respectively facing inner and outer surface of tyre
03/30/1994EP0589815A2 Two dimensional profiling with a contact force atomic force microscope
03/30/1994EP0589315A1 Device for measuring the coating thickness of a steel tubular article moving continuously in its axial direction
03/30/1994CN1084638A Test method for determining thinness of textile fibre by the method o twice axial compressed air-flow
03/29/1994US5298975 Combined scanning force microscope and optical metrology tool
03/29/1994US5298122 Measuring device and method for measuring the crosswise profile of a paper web
03/29/1994US5297434 Method of and apparatus for measuring workpieces
03/24/1994DE4231205A1 Bend-inducing internal stress determination in coated substrate - by surface curvature measurement using scanning probe of film thickness measuring device
03/23/1994EP0588512A1 Method of and apparatus for scanning the surface of a workpiece
03/22/1994US5297055 Multi-functional measurement system
03/22/1994US5296704 For investigating a surface of a sample
03/22/1994US5295307 Sensing circuit for position-sensing probe
03/17/1994DE4230725A1 Test equipment for roundness of discs rolling down inclined plane - allows passage of single disc past acutely angled linear image sensor long enough for scan of complete circumference
03/16/1994EP0587459A1 An ultra-low force atomic force microscope
03/16/1994EP0586454A1 Positional measurement.
03/15/1994US5294804 Cantilever displacement detection apparatus
03/15/1994US5293911 Method and system for fluid transfer and non-contact sensor for use therein
03/10/1994DE4229487A1 Signal evaluation for vehicle pressure sensor - passing fluid-pressure signal from fluid-pressure sensor located in tank ventilation chamber to band=pass filter for acceleration measurement and to low=pass filter for pressure measurement
03/09/1994EP0585784A1 Multiple coordinate feeler measuring device
03/08/1994US5293320 Measurment of shot peening coverage by impact dent characterization
03/08/1994US5291775 Scanning force microscope with integrated optics and cantilever mount
03/02/1994EP0584440A1 Atomic force microscope
03/01/1994US5291131 Apparatus for measuring elongation of a circulating chain
03/01/1994US5289729 Displacement detector
02/1994
02/24/1994DE4241335A1 Measuring outer dia. for cylindrical object e.g. tree - using angle between two caliper measuring arms which engage object, and V=shaped stop which abuts object between arms and connected to caliper pivot point by known distance
02/24/1994DE4227817A1 Coordinate measuring machine for surface measurement - has holder of three=dimensional positioning system for alternately mounting probe or Moire measurement head
02/24/1994DE4227735A1 Electrically-conductive-film thickness contactless measuring system - has inductive sensors located on opposite sides of substrate for generating sequential mutually attracting and repelling AC magnetic fields, to create eddy currents effects in film for comparison
02/24/1994DE4227734A1 Thin film thickness contactless measuring system e.g. for electrically-conductive film - has inductive sensors located on either side of film for generating AC magnetic field towards and away from film, by rotation of sensor into upright and inverted positions
02/23/1994EP0484470B1 Method and apparatus for dynamically checking dimensions of mechanical parts
02/22/1994US5287631 Precision extended-length micrometer with displacement meter probe adapter
02/22/1994US5287629 Machine stand, particularly for so-called coordinate measuring machines, and a method for constructing the stand
02/17/1994WO1994003777A1 Frame shape measuring instrument
02/17/1994DE4226724A1 Contact palette for overhead cable height measurement - contains two arms in lemniscate guide designed for min. contact pressure on cable
02/15/1994US5285684 Shape detecting roll
02/09/1994EP0582376A1 Displacement element, cantilever probe and information processing apparatus using cantilever probe
02/09/1994CN2155550Y Probe of detector for crystallizer inner chamber size of conticaster
02/08/1994US5284062 Sensor for measuring elongations
02/03/1994WO1994002806A1 Method of measuring the coating thickness of coated paper, device for carrying out the method and use of the device
02/03/1994DE4235824A1 Verfahren zur Messung der Strichdicke beim Streichen von Papier, Vorrichtung zur Durchführung des Verfahrens und Verwendung der Vorrichtung A method of measuring the stroke thickness in coating paper, apparatus for performing the method and using the apparatus
02/03/1994DE4225281A1 Electrical measurement appts. for bores of different dia. - features simultaneously adjustable fingers guided along radial grooves under action of bevel-wheel drive, and carrying inductive sensors
02/01/1994US5283630 Error correcting method for measuring object surface using three-dimension measuring apparatus
02/01/1994US5283442 Surface profiling using scanning force microscopy
02/01/1994US5282924 Containing cantilever beam
01/1994
01/26/1994EP0580004A1 Method and apparatus for detecting the position of liquid-liquid interfaces
01/26/1994CN1081250A Method and apparatus for detecting surface roughness
01/19/1994EP0578899A1 Process for measuring the planarity degree of a dielectric layer in an integrated circuit and integrated circuit including means for performing said process
01/19/1994CN2153774Y 万能钻头测量仪 Universal meter drill
01/18/1994US5280567 Digital display device for displaying measuring data
01/18/1994US5280341 Feedback controlled differential fiber interferometer
01/18/1994US5279165 Method and device for the measurement of wind-related stresses on a rotating system
01/18/1994US5279042 For a position determination machine
01/13/1994DE4222611A1 Pipe measurement device esp. for measuring dia. and wall thickness of extruded plastic pipe - rotatably mounts ultrasonic sensor on mounting ring using bearing ring attached to housing wall
01/12/1994EP0478652B1 Digitizer
01/12/1994CN2153041Y Portable ring planeness detector
01/11/1994US5276974 Unit for continuously measuring shape defects of a part, and measuring process used in this unit.
01/11/1994CA1326074C System and process for detecting properties of travelling sheets in the cross direction
01/07/1994CA2099805A1 Method and apparatus for determining turbine blade deformation
01/05/1994EP0577514A1 Apparatus for the precision measurement of internal tube diameter over a long distance
01/05/1994DE4221031A1 System for contactless continuous measurement of substrate thickness - has laser generating diffused light from substrate sensed by CCD camera under positional control of eddy current sensor and piezo-actuator
01/04/1994US5276722 Absolute multi-revolution encoder
01/04/1994US5276672 Micro-displacement type information detection probe device and scanning tunneling microscope, atomic force microscope, information processing device by use thereof
01/04/1994CA1325731C Stress analyzer with automatic overload response
12/1993
12/29/1993EP0575385A1 Method and device for the detection and removal of bulges in continuous strips of material.
12/29/1993EP0314795B1 Digitizing method
12/29/1993CN2151443Y Roughness sample for electric sparking process
12/29/1993CN2151442Y Special loader for size measurement of soft body furniture
12/28/1993USRE34489 Atomic force microscope with optional replaceable fluid cell
12/28/1993US5272913 Cantilever for a scanning probe microscope and a method of manufacturing the same
12/21/1993US5271284 Lap splice width monitor
12/16/1993DE4219383A1 Rotary support for motor vehicle axle measurement appts. - receives steerable wheel of vehicle in rotary plate which is supported vertically on base plate using air cushion formed by outlet apertures for compressed air in rotary plate.
12/15/1993EP0574234A1 Automatic tip approach method and apparatus for scanning probe microscope
12/15/1993EP0574022A2 Movement actuator/sensor systems
12/15/1993EP0573421A1 Installation for the study or transformation of sample surfaces in a vacuum or controlled atmosphere.
12/14/1993US5269859 Method of measuring length of lap joint between two sheets of material
12/14/1993US5269067 Test specimens composed of rod segments for co-ordinate measuring instruments
12/08/1993EP0572972A1 Probe for scanning tunneling microscope and manufacturing method thereof
12/08/1993EP0466800B1 An arrangement for establishing or defining the position of a measuring point