Patents
Patents for G01D 5 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable (43,723)
04/1989
04/20/1989WO1989003270A1 Spark erosion machine
04/20/1989DE3732958A1 Rotational position transmitter for sensing the rotational position of a rotating body
04/19/1989EP0312282A2 Angular position encoder
04/19/1989EP0312056A1 Electroerosion machine
04/19/1989EP0311947A2 Count error detecting device for count type measuring instruments
04/19/1989EP0122294B1 Optical absolute encoder
04/19/1989CN2036270U Flame inductor
04/18/1989US4823166 Optical time-domain reflectometry
04/18/1989US4823001 Method of measuring the amount of movement of an object having uniformly periodic structure
04/18/1989US4823000 Apparatus for indicating the value of a variable
04/18/1989US4822135 For the determination of selected parameters
04/18/1989US4822127 Multi-channel optical transmission system
04/18/1989US4821644 Method and apparatus for positioning a member
04/18/1989US4821560 Dual output magnetic sensor
04/18/1989CA1252889A1 Coding and reading device for parts carrying elements intended for the feeding of predetermined work stations
04/12/1989EP0311144A2 Optical instrument for measuring displacement
04/12/1989EP0310823A2 Synchronous angle counter
04/12/1989EP0310768A1 Digital pulse generator
04/12/1989EP0310764A2 Evaluation circuit for pulse signals
04/12/1989EP0310606A1 Circuit for operating a magneto-elastic sensor
04/11/1989US4820978 Magnetic rotation sensor wherein a magnetic member is attached to a rotation shaft by a heat resistant elastic member
04/11/1989US4820971 Precision impedance variation measurement circuit
04/11/1989US4820961 Linear motion screened inductance sensors
04/11/1989US4820918 Optical encoder including transparent substrates having formed indicators therein
04/11/1989US4820016 Waveguide-containing communications and sensing systems
04/06/1989WO1989003046A1 Fiberoptic sensor
04/06/1989DE3731392A1 Writing unit for a drum-type or flat-bed plotter
04/05/1989EP0310543A1 Using of a technique of converting a magnetic material to nonmagnetic or alternatively for a non-contacting incremental measuring method of displacement and/or of the position of a moving part.
04/05/1989EP0310467A1 Measuring devices comprising rheostat-type transducers
04/05/1989EP0310279A2 Two-terminal multiplexable sensor
04/05/1989EP0309853A1 Optical pulse generator for an electrical motor drive arrangement
04/05/1989EP0190181B1 Method and device for determining the position of a movable member by means of elements having variable optical properties
04/05/1989CN2035478U Photoelectric sensor for concentration
04/05/1989CN1032249A 改进的代码读出器 Improved code reader
04/04/1989US4819051 Compensated rotary position encoder
04/04/1989US4818948 Capacitive bridge-type probe for measuring blade tip clearance
04/04/1989US4818939 Apparatus for magnetically detecting position or speed or moving body utilizing bridge circuit with series connected MR elements
04/04/1989US4818111 Position measuring instrument
04/04/1989US4818064 Sensor array and method of selective interferometric sensing by use of coherence synthesis
04/04/1989US4817678 Broken warp thread locator
04/04/1989CA1252150A1 Magnetic field sensor
03/1989
03/30/1989DE3731092A1 Method of measured variable/frequency conversion on the basis of the parametric effect (parametric measured variable/frequency converter) and device for non-contact estimation and detection of the distances of an object (parametric distance/frequency converter) for carrying out and proving the method
03/30/1989DE3730701A1 Magnetic field sensor
03/29/1989EP0309195A2 Improved code reader
03/29/1989EP0309094A1 Precision slides and position encoders therefor
03/29/1989EP0308656A1 Method and apparatus for generating a digital signal indicative on an angular displacement
03/28/1989US4816759 Inductive sensor for detecting displacement of adjacent surfaces
03/28/1989US4816745 Method and arrangement for measuring the resistance ratio in a resistance half-bridge
03/28/1989US4816687 Method and apparatus for measurement of the fluorescence relaxation period of a fluorescent substance
03/28/1989US4816672 Remote metering system using reflected light
03/28/1989US4816322 Anticounterfeit metallized labels
03/28/1989US4815850 Relative-displacement measurement method
03/22/1989EP0308282A1 Non-contact position sensor
03/22/1989EP0308087A2 Step data processor for 180X and 90X compass synchro data
03/22/1989CN1031893A Locus interval detecting method and apparatus for blades of a helicopter
03/21/1989US4814604 Opto-electronic method and system for remote detection of physical magnitudes
03/21/1989US4814603 Method and apparatus for determining the size of defects in rolling element bearings with high frequency capability
03/21/1989US4814601 Optical displacement sensor using color variations to monitor displacement of two gratings.
03/21/1989US4813146 Method and device for obtaining numerical coordinates of a point or a set of points
03/21/1989CA1251539A1 Apparatus for measuring the position of a moving member relative to a fixed member
03/21/1989CA1251342A1 Cleaved-coupled-cavity-laser-driven system for measuring small signals
03/16/1989DE3729382A1 Optical sensor arrangement
03/15/1989CN2034267U Three-purpose plastic optical fiber sensor
03/15/1989CN1031745A Compressor with rotation detecting device
03/15/1989CN1003616B 被动式红外线控制器 Passive infrared controller
03/14/1989US4812758 Method of operating an amorphous-magnetic-alloy sensor
03/14/1989US4812635 Optoelectronic displacement sensor with correction filter
03/14/1989US4812013 Process for utilizing light radiation with the aid of fluorescent optical fibres and functional devices and apparatus using said process
03/14/1989US4812003 Optic sensing assembly
03/14/1989CA1251057A1 Optical sensors for detecting physical parameters
03/09/1989WO1989002067A1 Improvements relating to optical sensing systems
03/09/1989WO1989002063A1 Improvements relating to optical fibre sensors
03/09/1989WO1989002062A1 Signal processing apparatus
03/09/1989WO1989002059A1 Straightness interferometer system
03/09/1989WO1989002058A1 Measuring arrangement for measuring rotation angle and/or torque
03/09/1989EP0303595A4 Linear position sensor.
03/09/1989DE3737720C1 Position-measuring device having a subdividing circuit
03/08/1989EP0306384A1 Contactless position detector
03/08/1989EP0305591A2 Inductive sensor arrangement and measuring arrangement for its use
03/08/1989EP0305438A1 Combined scale and interferometer.
03/08/1989CN2033894U Multi-purpose optical fibre bundle sensor
03/08/1989CN1031599A Optical-fibre sensor of rotating angle and torque
03/07/1989US4811368 Meter for remote inspection
03/07/1989US4811011 Automatic metering apparatus
03/07/1989US4810967 Position sensor for detecting angular position
03/07/1989US4810965 Position detecting apparatus using a magnetic sensor and a closed magnetic circuit with non-uniform magnetic flux distribution
03/07/1989US4810951 Capacitative device for measuring lengths and angles
03/07/1989US4810892 Unit and method utilizing a data medium for determining the relative position between two parts
03/02/1989DE3816675A1 Photoelectric scanning arrangement for detecting the movement of line graduations in the reflected-light method
03/02/1989DE3742524A1 Method for determining the position of an element sending out flux lines
03/02/1989DE3730102A1 Device for detecting a mark on a rotor disc
03/02/1989DE3727440A1 Schieblehre Caliper
03/01/1989EP0305244A1 Method and apparatus for measuring by analysing a grooved luminous spectrum, especially for measuring a small amplitude displacement of a movable surface, possibly representative of the variation of a physical quantity convertible into such a displacement
03/01/1989EP0304893A2 Encoder
03/01/1989EP0204712B1 Adjustment method for a position detection member, particularly in a motor vehicle
02/1989
02/28/1989US4808958 Linear variable differential transformer with improved secondary windings
02/28/1989US4808934 Position sensor for detecting angular position
02/28/1989US4808920 Method for monitoring a tachometer signal
02/28/1989US4808809 Device for optically detecting the presence or absence of an object on an optical path including a variable I-V characteristic circuit to effect in a positive feedback relationship between the radiation source and the radiation detector
02/28/1989CA1250466A1 Integrated optics stress transducer