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)
07/1990
07/10/1990US4940926 Instruction generator for controlling the position of an element, in particular a sliding opening element of an automobile vehicle
07/10/1990US4939930 Electric capacitance strain gauge
07/09/1990CA2007221A1 Relative position transducer
07/07/1990CA2005137A1 Device to determine positioning
07/05/1990DE3938409A1 Universal sensor operating circuit - has generator, waveguide, output-coupling and antenna
07/04/1990EP0376897A1 A circuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensor
07/04/1990EP0376538A2 Optical encoder with inactive photodetectors
07/04/1990EP0376449A1 Interferometer
07/04/1990EP0375815A1 Steering sensor
07/03/1990US4939756 Two-phase encoder circuit
07/03/1990US4939457 Flexible tube sonic waveguide for determining liquid level
07/03/1990US4939456 Exciter teeth very only space distribution of flux density
07/03/1990US4938595 Diffraction photoelectric displacement measuring device
06/1990
06/28/1990WO1990005414A3 Decoding of random sequences
06/27/1990EP0375283A1 A motor with timing member
06/27/1990EP0375019A1 Device for detecting the movement of a part
06/27/1990EP0374614A2 Method and optical sensor for determining the position of a mobile body
06/27/1990EP0374295A1 Method and device for stable and error-free angular measurement using opto-electronics
06/27/1990EP0374242A1 Compact portable diffraction moire interferometer
06/26/1990US4937694 Capacitor element with patterned electrode areas for capacitive measuring device
06/26/1990US4937523 Method and system for exploiting the signals of linear inductive sensors, which system is adaptable for different sensor structures
06/26/1990US4937444 Optical flex sensor
06/26/1990US4937441 Diagnosis apparatus for photo coupler and photo coupler device with diagnosis function
06/26/1990US4936681 For converting a physical value into an electric output signal
06/26/1990US4936143 Cylinders having piston position measurement
06/26/1990US4936023 Method of and apparatus for mounting a position measuring device
06/26/1990CA1270921A1 Direction sensitive optical shaft encoder
06/26/1990CA1270662A1 Optical sensor
06/20/1990CN2058490U Optical function film sensor
06/19/1990US4935739 Encoder
06/19/1990US4935676 Method of moving head to correct for hysteresis
06/19/1990US4935652 Optical pulse generator for an electric-motor drive arrangement
06/19/1990US4935622 Angle measuring device using clamping means
06/19/1990US4934810 Method and apparatus for controlling the quantity of emitted light in an optical measuring head
06/14/1990WO1990006517A1 Apparatus for determining the speed, angular position and direction of rotation of a rotatable shaft
06/14/1990WO1990006496A1 Magnetic linkage for bourdon tube gauges
06/13/1990EP0372802A2 Optical waveguide sensor
06/13/1990EP0372302A2 Coordinates measuring machine with one or more aluminium guiding elements
06/13/1990EP0372193A2 Encapsulated position-measuring device
06/13/1990EP0372136A1 Magnetic rotary encoder system
06/13/1990EP0372134A1 Magnetoresistive sensor having interleaved elements
06/13/1990EP0190184B1 Interferometric sensor
06/13/1990DE3841275A1 Pulse transmitter device for volume meters
06/13/1990CN1008400B Optical detector storage effects reduction
06/12/1990US4933888 Process for the digitization and linearization of a transducer with a quasi-sinusoidal periodic characteristic and corresponding apparatus
06/12/1990US4933673 Position detecting apparatus
06/12/1990US4933655 Mounting structure of a reed switch for an eddy-current indicator
06/12/1990US4932783 Apparatus and method for minimizing polarization-induced signal fading in an interferometric fiber-optic sensor using input-polarization modulation
06/12/1990US4932782 Channelled light spectrum analysis measurement method and device, more especially for measuring a low amplitude movement of a mobile surface, which may be representative of a variation of a physical magnitude convertible into such a movement
06/12/1990US4932388 Rotary position detector for internal combustion engine
06/12/1990US4932259 Piezoelectric physical quantity detector
06/12/1990CA1270125A1 Time division multiplex optical fibre multipoint measuring device
06/09/1990CA2003708A1 Apparatus for determining the speed, angular position and direction of rotation of a rotatable shaft
06/07/1990DE3840934A1 Angle and/or length sensor (transmitter)
06/06/1990EP0371816A2 Sensor using optical fibres
06/06/1990EP0371279A1 Universal fuel sender
06/06/1990EP0371198A1 Sealed position-measuring device
06/06/1990CN1042773A Improvements in and relating to sensors
06/05/1990US4931792 Shaft angle encoder interface
06/05/1990US4931728 Rotation detecting device having a terminal holding arrangement
06/05/1990US4931719 Hall-effect sensor arrangement
06/05/1990US4931636 Two wavelength optical sensor and sensing system
06/05/1990US4931635 Optical position sensor using Faraday effect element and magnetic scale
06/05/1990US4931634 Optical position sensor using Kerr effect and a magnetic scale
06/05/1990US4930895 Encoder for forming interference fringes by re-diffracted lights from an optical type scale and photoelectrically converting the interference fringes to thereby detect the displacement of the scale
06/05/1990US4930852 Optical fiber mounting and structural monitoring
06/05/1990CA1270046A1 Digital rotation detecting apparatus
05/1990
05/30/1990EP0370963A1 Circuit for an electromagnetic rotation sensor
05/30/1990EP0370839A1 Device for measuring angular position and linear displacement
05/30/1990EP0370667A2 Current to pressure transducer with enhanced performance features
05/30/1990EP0370241A2 Optical height sensor and levelling system for vehicles
05/29/1990US4930041 Potentiometer position switch circuit
05/29/1990US4929842 Electro-optical measuring and transmission device using overload and overvoltage protection circuits
05/29/1990US4929822 Detection system with an optical encoder to optically detect displacement amount of a movable device
05/29/1990US4929050 Traveling wave fiber optic interferometric sensor and method of polarization poling fiber optic
05/29/1990US4928526 Universal fuel sender
05/23/1990EP0369918A1 Process and device for detecting the state of a valve
05/23/1990EP0369593A2 Processing circuit for variable reluctance transducer
05/23/1990EP0369570A1 Improvements in and relating to sensors
05/23/1990EP0369493A2 Method for contactless position measurement
05/23/1990EP0369160A2 Magnetoresistive magnetic field sensor
05/23/1990EP0369119A2 Method for the production of digital rotational rate and angle information using a resolver
05/23/1990EP0369031A1 Absolute position encoder
05/23/1990DE3839194A1 Incremental position measuring device for measuring the relative position of two objects by means of ultrasonic waves
05/23/1990CN2057511U Coating type solid piezoresistive sensor for water depth
05/22/1990US4928089 Hall effect printwheel encoder
05/22/1990US4928046 Multiple rotational position sensor
05/22/1990US4928009 Deflection-insensitive optical rotary encoder
05/22/1990US4928008 Variable light transmission filter and optical analog position sensor
05/22/1990US4928006 Fluid coupled fiber optic sensor
05/22/1990US4928005 Multiple-point temperature sensor using optic fibers
05/22/1990US4926566 Method of producing a metrological scale and scale produced by such method
05/17/1990WO1990005414A2 Decoding of random sequences
05/17/1990WO1990005282A1 Interferometer
05/16/1990EP0368802A1 Apparatus for measuring accelerations, especially components of the gravitation force when measuring angles
05/16/1990EP0368792A2 Determining position with light
05/16/1990EP0368687A2 Position sensing device
05/16/1990EP0368605A2 Decoding of random sequences
05/16/1990EP0368461A2 Fibreglass collar for data transfer from rotatable shaft
05/16/1990EP0368128A2 Circuit for an inductive sensor