Patents for G01B 7 - Measuring arrangements characterised by the use of electric or magnetic means (32,725)
04/1980
04/15/1980CA1075457A1 Measuring probe using light
04/08/1980US4196607 Tube reduction apparatus with integral means for sensing wall thickness during a high speed tube drawing operation
04/08/1980US4196523 Method of centering hollow cylindrical workpiece
04/08/1980CA1075311A1 Electronic phase comparison apparatus for the remote measurement of layer thickness
04/01/1980US4196048 Corrosion measuring apparatus for radioactive components
04/01/1980US4195413 Device for measuring depth of tire tread groove in a tire
04/01/1980US4195412 Installation for controlling the position of a movable part
04/01/1980CA1074868A1 Apparatus for testing tube wall thickness
03/1980
03/25/1980US4195345 Method and apparatus for detecting the faulty working of spinning units of open-end spinning machines
03/25/1980US4195250 Automatic measuring and tool position compensating system for a numerically controlled machine tool
03/25/1980CA1074418A1 Apparatus for sensing notches
03/20/1980WO1980000504A1 Control of deposition of thin films
03/18/1980US4193202 Apparatus and method for determining the location of peripheral points of bodies
03/18/1980CA1073696A1 Foam expansion monitor
03/18/1980CA1073663A1 Apparatus for measuring gap width of dual roller track
03/18/1980CA1073662A1 Apparatus for measuring curvature and other geometric relations of dual roller tracks
03/11/1980US4192321 Tooth displacement measuring apparatus
03/11/1980US4192073 Process gaging apparatus
03/05/1980EP0008522A2 Thin film strain gage and method of manufacture therefor
03/04/1980US4191057 Flexible beam with transistor deposited on surface, wheatstone bridge, biasing
03/04/1980US4190961 Method and apparatus for aligning turbine internal components
03/04/1980CA1072736A1 Feeler gauge for measuring the internal geometry of continuous casting mould
02/1980
02/26/1980US4190868 Method and apparatus for automatically inscribing magnetic marks on a wireline
02/26/1980US4190797 Capacitive gauging system utilizing a low internal capacitance, high impedance amplifier means
02/26/1980US4189841 Method and device for measuring the variations of the cross-sectional dimensions of a moving thread-like structure
02/26/1980CA1072654A1 Pipeline limit dent detector
02/20/1980EP0007963A1 Method and device for measuring or detecting a mechanical change of state or its time derivative
02/19/1980US4189203 Circular connector
02/19/1980US4189183 Mining machine with cutter drums and sensing apparatus
02/19/1980US4188809 Apparatus for detecting the shape of a strip
02/06/1980EP0007381A1 Method and circuitry arrangement for measuring and indicating the winding stage of a tape.
02/05/1980US4186494 Device for accurate measurement of the shape of a substantially cylindrical surface
02/05/1980US4186490 Tape-type linear measuring instrument
01/1980
01/29/1980US4185496 Thin film strain gage and process therefor
01/29/1980US4185390 Electronic tape measure with comparison capabilities
01/29/1980CA1070856A1 Method of making a transducer
01/23/1980EP0007034A1 Arrangement for measuring the distance between a metallic workpiece and a tool
01/22/1980US4184263 Apparatus for measuring the waviness of a workpiece surface
01/22/1980CA1070412A1 Electrical centering and boring system for transducers
01/09/1980EP0006740A1 Improvements in strain gauges
01/09/1980EP0006499A1 Device for scanning objects
01/08/1980USRE30183 Radio-frequency tuned-circuit microdisplacement transducer
01/08/1980US4183060 Capacitance distance sensor apparatus for video disc player/recorder
01/08/1980US4182981 Apparatus for gauging the shape of a conducting surface
01/08/1980US4182045 Device for checking involutes and helix angles of gears
01/01/1980US4181961 Process for the measurement of absolute values by means of a non-linearly working measured value emitter, and a measuring device for carrying out the process
01/01/1980US4181960 Tape reel and detector assembly for an electronic combined digital scale and calculator
01/01/1980US4181959 Stored information transferable means for a combined electronic digital scale and calculator
01/01/1980US4181958 Multiple probe gage system
01/01/1980US4181884 Rotational position detection device using a reference mark and two sensors spaced integer times apart
01/01/1980US4181848 Electronic digital scale with a memory
01/01/1980US4181015 Sheet material flaw detector
01/01/1980US4180915 Runout compensation in vehicle wheel alignment measuring apparatus
12/1979
12/25/1979US4179939 Diesel fuel pipe transducer
12/25/1979US4179817 Method and apparatus for providing repeatable wireline depth measurements
12/18/1979US4179720 Magnetic recorded information reproducing apparatus
12/18/1979US4178692 Measuring device for checking the dimensional accuracy of the track width of curved transport tracks, particularly for continuous casting or extrusion
12/18/1979US4178691 Electronic digital scale
12/18/1979CA1068101A1 Apparatus for measuring the wall thickness of tubes
12/12/1979EP0006022A1 Solid surface detecting and measuring device and method
12/12/1979EP0006008A2 Joy-stick controller
12/12/1979EP0005996A1 Improvements in and relating to electrographic apparatus
12/11/1979US4177568 Measurement head
12/11/1979US4177567 Tracer head
12/04/1979CA1067601A1 Induction-type meter for measuring mechanical quantities
11/1979
11/27/1979US4175331 Shaft bearing wear measuring apparatus
11/27/1979CA1066885A1 Instrument for measuring angles and for determining vehicle wheel alignment characteristics
11/20/1979US4174639 Bridge circuits
11/13/1979CA1066419A1 Electronic column gage
11/06/1979US4173148 Semiconductor strain gauge with temperature compensator
11/06/1979CA1065644A1 Magnetoelastic shape meter
11/06/1979CA1065600A1 Measurement of undulatory wear along railroad tracks
10/1979
10/31/1979EP0005102A1 Device for controlling the flatness of cold rolled metal strip
10/31/1979EP0004888A1 Device for measuring the position, the situation and/or changes in position or situation of a rigid body in a space
10/30/1979US4172492 Apparatus for the in situ inspection of tubes while submerged in a liquid
10/30/1979US4172389 Temperature compensated bridge circuit
10/30/1979US4172388 Differential pressure sensor with dual level overrange protection
10/30/1979US4172325 Interior gauge
10/30/1979US4172324 Surface angle measuring device
10/30/1979CA1065439A1 Optical sensors
10/30/1979CA1065131A1 Method and apparatus for locating improperly positioned or bent rolls
10/23/1979US4171577 Gap width measurement for rolling mills
10/23/1979US4171576 Apparatus for measuring the curvature of curved objects
10/23/1979US4171575 Actual sew length measuring device
10/17/1979EP0004757A1 Capacitive non-contact gauging system
10/16/1979US4170826 Longitudinal measuring device with longitudinally displaceable scale
10/09/1979US4170067 Apparatus for measuring pipe length
10/02/1979US4169317 Precision electrical calipers
10/02/1979CA1063696A1 Damped pendulum angular position
10/02/1979CA1063349A1 Trolling wire
09/1979
09/25/1979US4168604 Method and apparatus for evaluating yarn signals based on the detection of at least approximately periodic variations in cross section
09/25/1979US4168576 Method and apparatus for use in co-ordinate measuring machines
09/25/1979CA1063207A1 Magnetic field sensing apparatus
09/18/1979US4168464 Set point sensing system for numerically controlled machine tools
09/18/1979US4167817 Adaptor for mounting wheel alignment instruments on vehicular wheels
09/18/1979CA1062452A2 Method and apparatus for measuring carcasses
09/11/1979US4167066 Automatic inspection apparatus
09/06/1979WO1979000666A1 Measuring device for chills in chill-moulds for metal,particularly for steel
09/04/1979USRE30088 Method and a device for determining the cross-sectional dimensions of the inner space of elongated, tubular bodies
09/04/1979US4166455 Apparatus and method for non-invasive detection of strictures in conductive fluid conduits