Patents
Sitemap › G01 - Measuring; Testing › G01B - Measuring length, thickness or similar linear dimensions; Measuring angles; Measuring areas; Measuring irregularities of surfaces or contours › G01B 7 - Measuring arrangements characterised by the use of electric or magnetic means
Patents for G01B 7 - Measuring arrangements characterised by the use of electric or magnetic means (32,725)
04/1991
04/17/1991EP0422182A1 A device for measuring the length of a contact surface.
04/16/1991US5008623 Method and apparatus for testing balls with the use of eddy currents
04/16/1991US5008619 Multilevel circuit board precision positioning
04/16/1991CA1283188C End sensor
04/16/1991CA1283169C Contacting thickness gauge for moving sheet material
04/11/1991DE3932484A1 Arrangement for detecting position of control element - has potentiometer feeding analyser set up for maximum analyser signal range
04/10/1991EP0421939A1 Linking and connection device for measuring instruments
04/10/1991EP0421828A1 Method for continuously determining the thickness of the liquid slag on the surface of a fusion bath in a metallurgical vessel
04/10/1991EP0421401A1 Mechanical/electrical displacement transducer
04/10/1991EP0421355A2 Scanning tunneling microscope
04/10/1991EP0421354A2 Scanning tunneling microscope
04/10/1991EP0421064A1 Electronic linear dimension measuring gauge
04/10/1991CN2074904U Floating type strain sensitive elements structure electronic plug gange
04/09/1991US5006952 Capacitive transducers
04/09/1991US5006799 Low cost magnetic coating thickness gauge with holding magnet, bias spring and holding force indicator
04/09/1991US5006798 Position detection using reluctance changes induced by displacement of metallic balls
04/09/1991US5005298 Displacement controller for fine positioning device
04/09/1991US5005297 Probe head of the switching type
04/04/1991WO1991004459A1 Device for the measurement of movement and position
04/03/1991EP0420416A2 Method and apparatus of datuming a coordinate positioning machine
04/03/1991EP0420305A2 Signal processing for contact-sensing probe
04/03/1991EP0419588A1 Instrument for measuring angles and plotting with direct angle display and/or corresponding trigonometric values
04/02/1991US5005015 Ice detection system
04/02/1991US5004981 Detector device for simultaneously detecting both the direction and number of rotations of rotating member
04/02/1991US5004870 Polar co-ordinate digitizer
04/02/1991CA1282259C Extensometer
03/1991
03/28/1991DE4025932A1 Adjustable tool head for machine tool
03/27/1991EP0419041A1 Speed/position sensor based upon magnetoresistive effect
03/27/1991EP0418378A1 A direct current position measuring device.
03/26/1991US5003260 Inductive position sensor having plural phase windings on a support and a displaceable phase sensing element returning a phase indicating signal by electromagnetic induction to eliminate wire connections
03/26/1991US5002137 Moling system
03/26/1991US5001841 Apparatus for inspecting a profile of a rod
03/21/1991WO1991003701A2 Capacitance probe
03/21/1991DE3929937A1 End position sensor e.g. for vehicle gear lever - has fixed magnetic field sensing device adjacent to lever path of motion with vane on lever influencing sensing device
03/19/1991US5001658 Pipe length tally system
03/19/1991US5001464 Contact detecting system in a machine tool
03/19/1991US5001435 Lubrication film thickness measuring system and method
03/19/1991US5001409 Surface metrological apparatus
03/19/1991US5001356 Sheet thickness measuring apparatus
03/19/1991US5000576 Identifier of location of tray
03/19/1991US5000037 Gauging apparatus and method
03/19/1991US5000036 Tool wear detector
03/14/1991DE3929669A1 Bolt arc welding gun - with single fixed electromagnetic positioning device which is monitored and corrected by path measuring unit fixed to it
03/14/1991CA2025153A1 Process for continuously determining the thickness of the liquid slag on the surface of a bath of molten metal in a metallurgical container
03/13/1991CN1049908A Prober for testing generator stator wedge tightness with rotor in place
03/12/1991WO1991004457A1 Compact head, signal enhancing magnetostrictive transducer
03/12/1991US4999734 Electrode array made from concave electrodes for meter reading device
03/12/1991US4999623 Position measuring apparatus with reference marks
03/12/1991CA1281181C Measuring instruments
03/10/1991WO1991003345A1 Tool head for use in machine tools
03/07/1991WO1991002985A1 Measurement circuit and its use, in particular with inductive position sensors
03/06/1991EP0415576A1 Method of making a permanent magnet sensor element with a soft magnetic layer
03/06/1991EP0415042A2 Prober for testing generator stator wedge tightness with rotor in place
03/06/1991EP0414972A1 Electronic tape measure
03/06/1991EP0414924A1 Device for determining the parameters of developing surface cracks
03/06/1991EP0414784A1 Improvements relating to linear movement sensors
03/06/1991EP0414699A1 Measuring device for determining an angle of rotation
03/05/1991US4998065 Non-destructive sectional shape inspecting method and apparatus
03/05/1991US4998016 Probe unit, driving method thereof, and scanning device for detecting tunnel current having said probe unit
03/05/1991US4996882 Miniature strain sensor
03/05/1991US4996758 Method and apparatus for spur and helical gear manufacture
03/05/1991CA1281096C Apparatus for detecting the passage of multiple superposed sheets along a feed path
03/05/1991CA1280888C Coordinate measuring machine
03/05/1991CA1280887C Thread gage
02/1991
02/28/1991DE3927833A1 Messschaltung und anwendung derselben, insbesondere mit induktiven weggebern Measuring circuit and application thereof, in particular with inductive displacement
02/27/1991EP0413922A1 Capacitance-type measuring device for absolute measurement of positions
02/27/1991EP0413724A1 Apparatus and method for checking mechanical parts.
02/27/1991CN2072210U Sensor
02/26/1991US4996492 Probe for inspecting countersunk holes in conductive bodies
02/26/1991US4995939 Method and apparatus for determining the layer thickness of semiconductor layer structures
02/26/1991US4995732 Method and apparatus for continuous measurement of the temperature of electroconductive melt and the thickness of refractory lining
02/26/1991US4995395 Method and apparatus for location finding of electrodes placed onto the body, particularly to the head
02/21/1991WO1991002334A1 Coin validators
02/21/1991WO1991002213A1 Resilient magnetic pivot and position sensor
02/21/1991WO1991001849A1 Noncontact profile control unit
02/21/1991DE3942219C1 Crimped connection quality measurement method - measuring distance positionally fixed tool or press base and active tool or press head
02/20/1991EP0413042A1 Method of producing micromechanical sensors for the AFM/STM profilometry and micromechanical AFM/STM sensor head
02/20/1991EP0413041A1 Method of producing micromechanical sensors for the AFM/STM profilometry and micromechanical AFM/STM sensor head
02/20/1991EP0413040A1 Method of producing ultrafine silicon tips for the AFM/STM profilometry
02/20/1991EP0412987A1 Means for determining force applied to a roll by strip material.
02/20/1991EP0412974A1 Arrangement for measuring at least one distance between elements moving relative to one another.
02/19/1991US4993163 Gauge for checking linear dimensions of mechanical pieces
02/14/1991DE4025432A1 Distance measurement system esp. for hydraulic cylinder - has conical measurement element varying air gap by moving w.r.t. annular coil
02/13/1991EP0412535A1 Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit
02/12/1991US4992733 For producing electrical pulse signals
02/12/1991US4992728 Electrical probe incorporating scanning proximity microscope
02/12/1991US4992724 Bridge balancing circuit
02/12/1991US4992659 Near-field lorentz force microscopy
02/12/1991US4991311 Mounting structure for magnetic linear scale unit
02/12/1991US4991309 Fine positioning device and displacement controller therefor
02/12/1991US4991308 Diameter gauge
02/12/1991US4991306 Tactile center locator
02/12/1991US4991304 Workpiece inspection method
02/12/1991CA1279988C Fringe field capacitive sensor
02/10/1991CA2022943A1 Null-seeking position sensor
02/10/1991CA2022770A1 Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit
02/07/1991WO1991001484A1 Load indicating
02/06/1991CN2070897U Measuring arrangement for forklift wheel corner
02/06/1991CN1011541B Six-contact type high-precision planeness-measuring method and its apparatus
02/05/1991US4989574 Electromagnetic pickup
1 ... 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 ... 328