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)
10/1991
10/17/1991DE4011527A1 Reference mark detector for shaft angular position detection - has detector plate with reference marker of defined length and/or depth, sensor for reference and angle markers
10/17/1991DE4006365A1 Position measuring device used as distance sensor - uses retroreflection to provide interfering light beams providing phase shift proportional to relative spacing
10/17/1991CA2039597A1 Fiber optic sensor array
10/17/1991CA2029452A1 Gps data synchronization for baseline determination
10/16/1991EP0451780A1 Encoder
10/16/1991EP0451514A2 Measurement of conductive layers of a semiconductor wafer
10/16/1991EP0451505A1 Incremental position measuring system
10/16/1991EP0451475A2 Integrated optical sensor arrangement
10/16/1991EP0451465A2 Opto-electrical position measuring device
10/16/1991EP0451330A1 Method for self-calibrating or -recalibrating measurements of a physical quantity
10/16/1991EP0220206B1 Process for the monitoring of a speed transmitter signal
10/15/1991US5058145 System for determining the position of movable machine parts
10/15/1991US5057686 Self-stabilizing photoelectric displacement detector
10/15/1991US5057685 Optical rotation detector including a disk having slits with concave and convex parts and method of manufacturing
10/15/1991US5057684 Unitary aligning and gapping apparatus for modular optical shaft encoder
10/15/1991US5057662 Electroerosion machine featuring photoelectric sensing means for measuring wire electrode deflection
10/15/1991US5056921 Optical apparatus for use with inteferometric measuring devices
10/15/1991US5056884 Fiber optic load sensing device
10/15/1991US5056235 Signal transmission system for machine tools, inspection machines, and the like
10/11/1991WO1991015788A1 Fiber optic switch
10/10/1991DE4030946A1 Converting sinusoidal sensor signals of position measurement system - using offset scale division sensing with synchronised switches in alternate groups
10/10/1991DE4011440A1 Moisture or heat sensor element - uses abrupt contracting properties of various elements attenuating light content to control environmental indicator
10/09/1991EP0450880A1 Coupling for linear displacement transducer
10/09/1991EP0450782A2 Fiberoptic interferometric sensor
10/09/1991EP0450750A2 Lockproof low level oscillator using digital components
10/09/1991EP0450618A1 Absolute position detecting device
10/09/1991EP0450244A2 Detection device with optical fibres
10/08/1991US5056049 Position Transmitter
10/08/1991US5056046 Pneumatic operated valve data acquisitioner
10/08/1991US5055814 Displacement detector
10/08/1991US5055782 Method for determining the absolute position of a pointer in an indicating device, and indicating device
10/08/1991US5055781 Rotational angle detecting sensor having a plurality of magnetoresistive elements located in a uniform magnetic field
10/08/1991US5055668 Photo-sensor cell suitable for IC chip
10/08/1991US5054922 Differential polarimetric fiber optic sensor
10/08/1991US5054653 Pneumatic material alarm
10/03/1991WO1991014920A1 Integrated acousto-optical heterodyne interferometer
10/03/1991CA2035645A1 Lockproof low level oscillator using digital components
10/02/1991EP0449037A1 Position transducer
10/02/1991EP0448988A1 Apparatus for contactless detection of the position of a moving web
10/02/1991EP0448982A1 Position measuring device
10/02/1991EP0448861A1 Semiconductor integrated circuit device
10/02/1991EP0448751A1 Integrated acoustooptic heterodyne interferometer
10/02/1991DE4109531A1 Rotation measurement device e.g. for vehicle speed instrument - has two toothed rotary parts on rotary shaft and associated electrical resistance sensor
10/02/1991DE4010232A1 Switching state identifying appts. for EM valve - detects level of voltage on control lead for switch in parallel with resistor or diode
10/02/1991DE4009737A1 Contactless detection of motion and=or speed of object - by evaluation of optical sensor signals involving weighting and integration or averaging
10/02/1991CN1055061A Fiberoptic interferometric sensor
10/01/1991US5053769 Fast response digital interface apparatus and method
10/01/1991US5053715 Capacitance-type measuring device for absolute measurement of positions
10/01/1991US5053618 Index track support structure
10/01/1991US5052807 Three dimensional moire pattern alignment
10/01/1991CA1289793C Microcurved optic fiber sensor
09/1991
09/25/1991EP0448415A1 Device to detect a physical entity at a distance, functioning by means of reflection
09/25/1991EP0448362A2 Mirror rotation angle detection mechanism
09/25/1991EP0448114A1 Thin-film magnetic material and process of production thereof
09/25/1991EP0447713A2 Position detector
09/25/1991EP0447653A1 Inductive position sensor
09/25/1991EP0356505A4 Magnetic position sensor
09/24/1991US5052019 Pulse-generating sensor unit for remote sensing system
09/24/1991US5051729 Pressure responsive encoder
09/24/1991US5051693 Bearing seat encoder mount for rotational parameter sensor apparatus
09/24/1991US5051692 Processing apparatus for measuring the speed of a rotating body
09/24/1991US5051671 Proximity sensor and control
09/24/1991US5051579 Optical scale encoder with light intensity alarm
09/24/1991US5051578 Self calibrating fiber optic sensor system with optimized throughput
09/24/1991US5050993 Diffraction encoded position measuring apparatus
09/24/1991US5050430 Magnetostrictive linear position detector with temperature sensors
09/24/1991US5050311 Length or angle measuring apparatus
09/24/1991CA1289381C Tachogenerator
09/20/1991CA2038108A1 Fiberoptic interferometric sensor
09/19/1991WO1991014155A1 Transducer particularly for mechanical meters
09/19/1991WO1991014151A1 Cylinder device
09/19/1991WO1991010880A3 Reflection-type device for the remote detection of a physical magnitude
09/18/1991EP0447017A1 Linear sensor with concentric slider and housing
09/18/1991EP0446969A2 Linear position detection device
09/18/1991EP0446691A2 Optical device
09/18/1991EP0446547A1 Pneumatic measuring device
09/18/1991EP0446365A1 Water discharging apparatus
09/17/1991US5050135 Magnetostrictive multiple position sensing device
09/17/1991US5049879 Position encoder utilizer special gray code
09/17/1991US5049824 Phase discrimination type electrostatic capacity detector
09/17/1991US5048909 Adiabatic reflection apparatus
09/17/1991CA1289225C Optical master controller
09/17/1991CA1288938C Measuring probe
09/12/1991DE4007298A1 Monitoring installation for safety fence with tensioned wires - has electromechanical transducer with electronic oscillation circuit of variable frequency
09/11/1991EP0446181A2 Resolver having planar windings
09/11/1991EP0446022A2 A sensor for detecting a quench in a superconductor using an optical coupling
09/11/1991EP0445267A1 Device for processing sensor signals.
09/11/1991EP0445162A1 Magnetic linkage for bourdon tube gauges
09/11/1991CN1054475A High resolution sensor system for internal combustion engines and method of making
09/10/1991US5047716 Movement detector employing constant current drive
09/10/1991US5047715 Electromagnetic device for position measurement having multiple coils with equal area of turn cross-section
09/10/1991US5047651 Arrangement for measuring a deviation from its line of a movable web of foil
09/10/1991US5047629 Position and motion detector with magnetic coupling and optical detection
09/10/1991US5046848 Fiber optic detection system using a Sagnac interferometer
09/10/1991US5046843 Method and apparatus for measuring the three-dimensional orientation of a body in space
09/10/1991US5046702 Solenoid device
09/10/1991US5046366 Apparatus for measuring deflection or deformation in pavement structures
09/10/1991CA1288838C Metering pulse generator
09/10/1991CA1288701C Birefringent single-mode acoustic fiber
09/06/1991CA2037470A1 Sensor for detecting a quench in a superconductor using an optical coupling