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)
10/1993
10/14/1993DE4211615A1 Contactless inductive rotation angle measurement appts. for IC engine throttle flap - has two windings on axially spaced parts of former over which measuring ring section is snapped into position.
10/14/1993DE4211614A1 Contactless inductive rotation angle measurement appts. eg for throttle flap of IC engine - has two windings running parallel to surface of former, and changing winding direction at diametrically opposite hooks.
10/14/1993DE4210705A1 Frequency=voltage converter for vibration-type level detector - has integrator with asymmetric charging time constants for forward and backward integration
10/14/1993DE4133365A1 Contactless measurement transmission system for machinery with rotating parts, rollers, drums - using permanent magnet, exploits temp. dependence of field in connection with magnetoresistance bridge circuit containing components having opposite coeffts.
10/14/1993CA2109324A1 A method for determining the rotational position of a crankshaft of an internal combustion engine
10/13/1993EP0565328A2 Photoreceptor motion sensor using a segmented photosensor array
10/13/1993EP0565056A2 Displacement information detection apparatus
10/13/1993EP0564685A1 Support for a measuring scale
10/13/1993EP0564683A1 Optoelectronic length, angle, or rotation measuring device
10/13/1993EP0299054B1 Centrifugation pheresis system
10/12/1993US5252991 Media edge sensor utilizing a laser beam scanner
10/12/1993US5252864 Normalization circuit for a measuring device
10/12/1993US5252825 Absolute encoder using interpolation to obtain high resolution
10/12/1993US5252824 Analog transmitter of position and direction of rotation having a signal amplitude varies on each change of state of sensors
10/12/1993US5251600 Arrangement for determining angle of rotation of two rotating parts
10/12/1993CA1322878C Apparatus using two-mode optical waveguide with non-circular core
10/07/1993DE4210933A1 Evaluating output signal of vehicle revolution rate sensor - involves sensing markings and evaluating pulse signal separations to detect reference marker
10/07/1993DE4210818A1 Evaluation circuit for piezoresistive pressure sensor in IC engine - adjusts supply voltage of bridge contg. nonlinear element eg diode or current source, and that of operational amplifier to have preset working point.
10/07/1993DE4210189A1 Remote measurement device of temp. and other physical parameters - has sensor units connected to central evaluation device via central signal highway enabling selective sensor unit operation
10/06/1993EP0564430A1 A positioning method and positioning arrangement
10/06/1993EP0564428A1 Electrical impedance detector for measurement of physical quantities, in particular of temperature, and process for manufacture of the said detector
10/06/1993EP0564164A1 Capacitive proximity sensors
10/06/1993EP0564034A2 Process and apparatus for the absolute and independent measurement of mechanical and thermal magnitudes that act simultaneously on an optical fibre
10/06/1993EP0563411A1 Encapsulated displacement measuring apparatus
10/06/1993EP0563347A1 Process for adapting mechanical tolerances of a pick-up wheel.
10/06/1993EP0231385B1 Motor equipped with pulse encoder
10/06/1993CN1077023A Electrical impedance detector for measurement of physical quantities, in particular of temperature, and process for manufacture of said detector
10/05/1993US5251087 Holder for magnetic sensitive element
10/05/1993US5251012 Electro-optical scanner
10/05/1993US5250897 Solenoid/slug gap measurement tool for semiconductor equipment and method of measurement
10/05/1993US5250889 Variable reluctance resolver
10/05/1993US5250805 Optical sensing technique providing built in test
09/1993
09/30/1993DE4306634A1 Position measurement device e.g. for magnetic linear or rotary encoder - has magnetic scale, movable detector with magnetoresistive sensor arranged at angle to scale
09/30/1993DE4210164A1 Remote state measurement, e.g. of complex impedance temp., pressure or humidity sensor - analysing voltages across sensor and series circuit contg. sensor and other components and forming quotient or difference of stored complex amplitude and phase of frequency components
09/30/1993DE4209785A1 Signal transmission system, e.g. for measurement signals - superimposes current within defined limits for signal transfer and outside limits to send warning, e.g. fault detection, signal
09/29/1993EP0562989A1 Procedure and apparatus for measuring phase noise of sinusoidal signal generators
09/29/1993EP0562799A1 Transducers
09/29/1993EP0562744A1 Switch interconnect for position encoder system
09/29/1993EP0562392A1 Position-sensing and motion verification assembly for a motor-driven mechanism
09/28/1993US5249163 Optical lever for acoustic and ultrasound sensor
09/28/1993US5249032 Optical position-detecting apparatus
09/28/1993US5248940 Apparatus for measuring changes in radial and/or axial position of a rotor in a drive system including an emf producing stationary conductor
09/28/1993US5248939 Apparatus for sensing the direction and speed of a steering wheel shaft using hall effect sensors in a detachable sensor mounting
09/28/1993US5248938 Inductance type rotational position sensor including a magnetic core having fixed and movable short rings
09/28/1993US5248881 Optical fiber type device for monitoring a moving object to detect a rotational position of an internal combustion engine
09/28/1993US5248879 Circuit for adjusting the sensitivity of a sensor using a digital counter and a low-pass filter
09/24/1993CA2077851A1 Position encoder system
09/23/1993DE4308666A1 Pressure sensor e.g. for vehicle engine combustion chamber - contains movable structure acting on piezoelectric transducer which is in series with dielectric having capacitance of opposite temp. characteristic wrt transducer
09/23/1993DE4226591C1 Gas sensor with temp. regulation circuit including resistance bridge - has control circuit for maintaining temp. of sensors in resistance bridge circuit constant, with circuit output indicating heat caused by gas
09/23/1993DE4215315C1 Rotation angle sensor for IC engine throttle valve - feeds signals via R=2R D=A converter and single transmission line to remote A=D converter and evaluation circuit
09/23/1993DE4208888A1 Gear ratio detector e.g. for vehicle manual or automatic transmission - is based on combination of outputs from sensors of positions of magnets fixed to protrusions from gear-shift rods
09/22/1993EP0561681A1 Method for determining the angular position of a magnetic transducer and angular position sensor
09/22/1993EP0561524A1 Motion transducer
09/22/1993EP0561378A1 Movement sensor of capacitive type
09/22/1993EP0561054A1 Apparatus and procedure for measuring the time-constant of an electrical displacement transducer
09/22/1993EP0560894A1 Apparatus and method for determining the linear position of a hydraulic cylinder.
09/21/1993US5247257 Electronic metal detector return signal phase changer
09/21/1993US5247253 Eddy current proximity sensing means and method useful for determining throttle position
09/21/1993US5247186 Integrated optical displacement sensor
09/21/1993US5247173 Device for the acquisition of the instantaneous angular position of moving means and opto-mechanical systems incorporating such a device
09/21/1993US5247172 Position sensing system with magnetic coupling
09/21/1993CA1322281C Position sensing device
09/16/1993WO1993018588A1 Incremental-decremental counter
09/16/1993WO1993018380A1 Displacement/force transducers utilizing hall effect sensors
09/16/1993WO1993018371A1 Angle sensor
09/16/1993WO1993018369A1 Displacement sensor
09/16/1993DE4236328C1 Acceleration and inclination sensor for vehicle automatic transmission - detects position and deformation of freely movable mercury drop within arcuate hollow space contg. contact electrodes
09/16/1993DE4207421A1 Optoelectronic absolute or incremental angle sensor - has vernier spiral encoding and digitally addressable area or line sensor
09/16/1993CA2130193A1 Displacement/force transducers utilizing hall effect sensors
09/15/1993EP0560520A1 Optical position encoder
09/15/1993EP0560381A1 Moving object detecting apparatus
09/15/1993EP0560143A1 Position sensor for determining the rotational motion of a shaft
09/15/1993EP0559943A1 Converter with output of a position dependent signal
09/14/1993US5244002 Fluid servo valve
09/14/1993US5243941 Actuator for engine idling control mechanism
09/14/1993CA2091593A1 Moving object detecting apparatus
09/09/1993DE4306487A1 Detecting absolute displacement of object, e.g. servomotor shaft - operating micromachine with elements made from polycrystalline silicon in magnetic field as object moves, and storing relative positions of micromachine elements
09/09/1993DE4206544A1 Two-coordinate distance measurement system - has photoelectric incremental sensor arrangement with opaque scanning plates and window pair groups with line rasters
09/08/1993EP0559634A1 Position sensor
09/08/1993EP0559504A1 Electromagnetic bearing
09/08/1993EP0559265A1 Position sensor system
09/08/1993EP0558796A1 Optical sensor head
09/08/1993EP0558736A1 Rotatable capacitance sensor
09/08/1993EP0369031B1 Absolute position encoder
09/08/1993CN1076023A All optical fibre multifunction sensor
09/07/1993US5243670 Optical fiber moisture sensor
09/07/1993US5243469 System for the acquisition of seismic data
09/07/1993US5243316 Magnetoresistance effect element
09/07/1993US5243280 Magnetic sensor and position detector
09/07/1993US5243279 Angular position detector employing magnetoresistors positioned in pairs at an electrical angle of one hundred and eighty degrees
09/07/1993US5243188 Neutral position detector for steering wheels having a first and second rotors with aligned slots
09/07/1993US5243187 High resolution absolute encoder for position measurement
09/02/1993WO1993017312A1 Measuring device for the contactless detection of an angle of rotation and/or torque
09/02/1993WO1993017303A1 Apparatus for measuring two physical parameters
09/02/1993WO1993017302A1 Circuit for a transducer
09/02/1993WO1993017296A1 Method and apparatus for observing a gap
09/02/1993DE4206382A1 Messeinrichtung zur beruehrungsfreien erfassung eines drehwinkels und/oder eines drehmoments Measuring device for detecting a rotation angle beruehrungsfreien and / or torque
09/02/1993DE4206332A1 Hairdressing appts. with position sensing and warning facility - has inbuilt capacitor plates and pulsed source for measuring change in dielectric constant of treatment space when head misaligned
09/02/1993DE4205989A1 Schaltungsanordnung fuer einen geber Circuit arrangement for a donor
09/02/1993DE4205406A1 Method for photogrammetric survey and analysis of static object - using CCD video camera with automatic location of reference points during scanning of target colour image