Patents for G01B 7 - Measuring arrangements characterised by the use of electric or magnetic means (32,725)
06/1981
06/03/1981EP0029485A1 Device for capacitive level measurement
06/02/1981US4271407 Tunnel roof monitor employing an induction coil extensometer
06/02/1981US4270275 Probes
06/02/1981CA1102404A1 Method of determining variations in the previously adjusted nominal distance between the facing surfaces of a colour selection electrode and a display window of a colour television display tube, and device for carrying out the method
05/1981
05/28/1981WO1981001460A1 Device for measuring the height of pressed folding-lines on a carton
05/26/1981US4269070 Strain/deflection sensitive variable reluctance transducer assembly
05/19/1981US4268888 Apparatus for generating engine speed-dependent ignition control signals
05/19/1981US4267724 Strain-gage transducer bridge gages with integral calibration resistors
05/14/1981WO1981001334A1 Piezoelectric resonance contact pick-up
05/13/1981EP0028487A1 Hall effect thickness measuring instrument
05/12/1981US4267522 L.C. oscillator proximity detector
05/12/1981US4267508 Apparatus for non-contact measurement of distance from a metallic body using a detection coil in the feedback circuit of an amplifier
05/12/1981US4266346 Method and apparatus for gaging
05/12/1981CA1100754A1 Surface roughness analyzer
05/06/1981EP0028215A1 Device for measuring the distance between two opposite roller tracks of a continuous casting plant
05/06/1981EP0028191A1 Device for detecting flatness faults in a band moving under tension
05/05/1981US4265109 Wrench with angular rotation readout
05/05/1981US4265022 Contour measuring apparatus
05/05/1981CA1100596A1 Apparatus for remotely determining the angular orientation, speed and/or direction of rotation of objects
05/05/1981CA1100312A1 Alignment indicator for roller-type support
04/1981
04/29/1981EP0027656A1 An apparatus for automatically sensing and transmitting the displacement of the end of a strand or cable
04/29/1981EP0027517A1 Scanning apparatus for surface analysis using vacuum-tunnel effect at cryogenic temperatures
04/28/1981CA1099912A1 Electronic measuring tape
04/22/1981EP0027186A2 Method of fixing the measuring limits in a gear tooth profile testing apparatus and gear tooth testing apparatus for carrying out the method
04/21/1981US4263546 Displacement transducer system
04/21/1981US4262528 Apparatus for measuring the torque applied to a wrench
04/15/1981EP0027060A1 Coordinate measuring machine
04/15/1981EP0026858A2 Method for measuring radial runout of a gear
04/14/1981US4262251 Device for measuring rotational angle of rotary member
04/14/1981US4262193 Photograph multiplying factor automatic-counting scale
04/14/1981US4261094 Heat exchanger tube and tube sheet location sensing device
04/08/1981EP0026621A2 Tire sidewall deformity tester and method
04/08/1981EP0026446A2 Strain/deflection sensitive variable reluctance transducer assembly
04/08/1981EP0026274A1 Tooth profile testing device and method of testing tooth profiles
04/07/1981US4260877 Area measuring apparatus for attachment to a linear conveyor
04/07/1981CA1098732A1 Method and apparatus for providing runout compensation
03/1981
03/31/1981US4258720 Strain gauge plethysmograph
03/31/1981US4258567 Tire sidewall deformity tester and method
03/31/1981US4258474 Method and apparatus for aiding measurement of preformed tubes
03/25/1981EP0025724A1 Method of making measurements on an object by means of a movable probe
03/25/1981EP0025631A1 Piston position detector
03/25/1981EP0025485A1 Device for registering measured values of test pieces
03/24/1981CA1098162A1 Object deflection sensor
03/18/1981EP0025035A1 Process for determining and evaluating faults in wires.
03/17/1981US4257107 Measuring device
03/17/1981US4256968 Area measuring machine
03/17/1981US4255974 Adherent crack gauge
03/17/1981CA1097815A1 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
03/17/1981CA1097765A2 No translation available
03/17/1981CA1097764A1 Apparatus for area measurement of elongated strips
03/11/1981EP0024957A1 Apparatus for determining the position of an object
03/11/1981EP0024836A1 Signal condition detector circuit
03/10/1981US4255709 Device for providing an electrical signal proportional to the thickness of a measured coating with an automatic range switch and sensitivity control
03/10/1981US4255708 Magnetoresistive position transducer with invariable peak signal
03/10/1981US4254857 Detection device
03/03/1981US4253240 Measurement apparatus for interrupted surfaces
03/03/1981CA1096956A1 Method and apparatus for measuring the thickness of a body
02/1981
02/24/1981US4251921 Caliper and contour tool
02/24/1981US4251918 Extensometer
02/19/1981WO1981000395A1 Device for measuring and controlling the stretch ratio of moving linen
02/18/1981EP0024007A1 Device for testing a thread
02/17/1981CA1095988A1 Calibrating and measuring circuit for a capacitive probe-type instrument
02/11/1981EP0023732A1 Capacitive gauge
02/11/1981EP0023549A1 Numerically controlled measuring device for linear dimensions
02/10/1981CA1095231A1 Shaft aligner
02/05/1981WO1981000298A1 Load monitoring system with means for generating timing signals
01/1981
01/27/1981US4246795 Contact sensing head
01/27/1981US4246748 Method and apparatus for detecting the faulty operation of spinning units open-end spinning machines
01/21/1981EP0022471A1 Position transducer for a body, particularly a vehicle pedal
01/20/1981US4246456 Monitoring devices
01/20/1981CA1094232A1 Apparatus for the in-situ inspection of tubes while submerged in a liquid
01/20/1981CA1094191A1 Device for measuring axial displacement of rotating machine parts especially for measurement during operation of the plate clearance in a disc refiner
01/13/1981US4244113 Measuring arrangement
01/13/1981US4244108 Excitation circuitry for variable reluctance transducer
01/07/1981EP0021906A1 Device for measuring the relative orientation of two bodies and corresponding direction determining system
01/07/1981EP0021524A1 Apparatus for measuring the lubrication of surfaces rolling or sliding relative to each other and lubricated with a lubricant
01/06/1981US4242804 Universal digital converter for drafting machines
01/06/1981CA1093179A1 Pressure ridge detection
01/06/1981CA1092847A1 Radio-frequency tuned-circuit microdisplacement transducer
12/1980
12/30/1980US4241801 Apparatus to measure elongation due to bending under load
12/30/1980US4241507 Apparatus and method for the determination of tenter width variance in a carpet or textile drying oven
12/23/1980US4241342 Measurement indicating apparatus and method
12/23/1980US4240206 Ovality measuring device and method
12/23/1980US4240205 Coordinate measuring machine
12/16/1980US4238886 Method and apparatus for controlling the grinding of workpieces
12/16/1980US4238885 Instrument for measurement and verification of linear dimensions
12/16/1980CA1091781A1 Apparatus for gauging the texture of a conducting surface
12/09/1980US4238781 Capacitive angular displacement transducer for remote meter reading
12/09/1980US4237612 Fastener grip length measuring system
12/09/1980CA1091326A1 Bi-axial probe
12/09/1980CA1091324A1 Tilt sensor
12/02/1980US4237419 Method and apparatus for non-destructive testing using a plurality of frequencies
12/02/1980US4236315 Sensor assembly for wheel alignment system
11/1980
11/26/1980EP0019530A1 Variable reluctance motion sensing system
11/26/1980EP0019075A1 Process and apparatus for examining the tooth flank profiles of large-diameter gear wheels
11/25/1980US4235110 Apparatus and method for measuring the crevice gap clearance in a heat exchanger
11/25/1980US4235020 Inspection system for heat exchanger tubes
11/25/1980CA1090439A1 Reed switch oscillator assembly for a position indicating system
11/18/1980US4233748 Hole alignment probe
11/18/1980US4233745 Warpage gage