| 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) |
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| 03/05/1991 | US4998084 Multipolar magnetic ring |
| 03/05/1991 | US4998013 Optical encoder with inactive photodetectors |
| 03/05/1991 | US4996778 Incremental measuring system |
| 03/01/1991 | CA2024157A1 Hall effect signalling gauge |
| 02/28/1991 | DE3927840A1 Arrangement for measuring sound incidence levels - has rule or tape with scale enabling sound level to be determined from distance from source |
| 02/28/1991 | DE3927833A1 Messschaltung und anwendung derselben, insbesondere mit induktiven weggebern Measuring circuit and application thereof, in particular with inductive displacement |
| 02/27/1991 | EP0414559A2 Optical angle measuring apparatus |
| 02/27/1991 | EP0413922A1 Capacitance-type measuring device for absolute measurement of positions |
| 02/27/1991 | CN2072211U Digital voltage transmitter |
| 02/27/1991 | CN1011822B Capacitive and rotary transmitter |
| 02/26/1991 | US4996419 Distributed multiplexed optical fiber Bragg grating sensor arrangeement |
| 02/26/1991 | US4995697 Fiber optic sensing system |
| 02/26/1991 | US4995169 Device for indicating angular position |
| 02/22/1991 | WO1991002968A1 Device for measuring displacement of ceramic materials while they are hot |
| 02/22/1991 | CA2064773A1 Apparatus for measuring thermal dimensional change of ceramics or the like |
| 02/21/1991 | WO1991002222A1 A method of decoding encoded relative spectral data |
| 02/21/1991 | WO1991002221A1 Fibre optic sensor device |
| 02/21/1991 | WO1991002220A1 Device for measuring lengths, angles and the like |
| 02/21/1991 | DE3943469A1 Non-marking RPM measurement at smooth shafts - determining angular deviation alpha of reflector of external resonator of laser-sensor compared to vertical of optical axis |
| 02/21/1991 | DE3927269A1 Scale making, calibration and position measurement - by measuring distances of randomly distributed pattern elements from null marker |
| 02/20/1991 | EP0413180A1 Incremental shaft encoder |
| 02/20/1991 | EP0412960A1 Method and apparatus for accurate measurement of a torsional angle |
| 02/19/1991 | US4994842 Camera having a converter-attachable zoom lens |
| 02/19/1991 | US4994752 Position detecting potentiometer for a moving body |
| 02/19/1991 | US4994739 Magnetic sensor including sensing element having support terminals soldered to printed conductors |
| 02/19/1991 | US4994731 Vehicle engine |
| 02/19/1991 | US4994669 Opto-electrical joystick switch having a resilient, rigidly mounted central shaft |
| 02/14/1991 | DE3926328A1 Vorrichtung zum messen von laengen, winkeln und dergleichen Apparatus for measuring lengths, angles, and the like |
| 02/13/1991 | EP0412481A2 Length or angle measuring device |
| 02/13/1991 | EP0412181A1 Device for establishing the angular position of a rotating body |
| 02/12/1991 | US4992734 Rotation detector having a housing with a processing circuit and a transducer element holder |
| 02/12/1991 | US4991447 Torque detecting device |
| 02/12/1991 | US4991301 Inductive displacement sensors |
| 02/12/1991 | US4991283 Sensor elements in multilayer ceramic tape structures |
| 02/10/1991 | CA2022943A1 Null-seeking position sensor |
| 02/07/1991 | DE4021105A1 Measuring position of movable body - using two sinusoidal signals with phase difference of 90 deg. derived from measuring elements |
| 02/07/1991 | DE3925579A1 Circuit for differential capacitor contg. two partial capacitances - contains three controlled switches and sample-and-hold circuit |
| 02/06/1991 | EP0412018A1 Detection device for the injection electronic control of a multi-cylinder internal combustion engine |
| 02/06/1991 | EP0411776A1 Sensor driver circuit |
| 02/06/1991 | EP0411054A1 Temperature and pressure monitors utilizing interference filters |
| 02/05/1991 | US4991125 Absolute position |
| 02/05/1991 | US4990909 Revolution counter using a magnetic bubble device for multi-turn absolute encoder |
| 02/05/1991 | US4990897 Method and apparatus for detecting and recognizing impacts by measuring impedance variation |
| 02/05/1991 | US4990767 Position measuring apparatus with multiple scanning locations |
| 02/05/1991 | US4989979 Optical fiber sensors with full common-mode compensation and measurand sensitivity enhancement |
| 02/05/1991 | US4989574 Electromagnetic pickup |
| 02/05/1991 | US4989329 Rotary displacement transducers |
| 02/02/1991 | CA2022310A1 Variable impedance device and circuit for sensing adjustment thereof |
| 01/31/1991 | DE4020892A1 Needle position sensor - has rings on rotor shaft with markings to show angular position of rotor |
| 01/30/1991 | EP0409829A1 Calibration of a high regulating device in a vehicle filled with air suspension. |
| 01/30/1991 | EP0287613B1 An absolute measurement scale system |
| 01/30/1991 | CN2070434U Transmission rate adjustable photoelectric coupler |
| 01/30/1991 | CN1048921A 内插器 Interpolator |
| 01/30/1991 | CA2020669A1 Sensing systems |
| 01/29/1991 | US4988945 Optical and magnetic encoder for serially transmitting absolute position signals with an auxiliary power supply |
| 01/29/1991 | US4988886 Moire distance measurement method and apparatus |
| 01/29/1991 | US4988865 Signaling |
| 01/29/1991 | US4988864 Photoelectric angle measuring device with adjacent order interference |
| 01/29/1991 | US4988212 Fiberoptic sensing of temperature and/or other physical parameters |
| 01/29/1991 | US4987783 Sensor and transducer apparatus |
| 01/24/1991 | WO1991000985A1 Contactless sensor terminal |
| 01/24/1991 | WO1991000984A1 Absolute value encoder |
| 01/24/1991 | DE3923042A1 Capacitive displacement sensor - enables measurement in range of few cm and is mfd. using micro-mechanical technology and etching techniques |
| 01/23/1991 | EP0408799A1 Method of interpolating position measurement signals |
| 01/23/1991 | EP0211901B1 Sensor apparatus |
| 01/23/1991 | EP0179157B1 Magnetic sensor system for main shaft orientation |
| 01/22/1991 | US4987415 High resolution encoder |
| 01/22/1991 | US4987414 Signal processing circuit for an encoder |
| 01/22/1991 | US4987389 Lockproof low level oscillator using digital components |
| 01/22/1991 | US4987302 Photoelectric angle measuring apparatus whose optically projecting focal line coincides with the axis of rotation of the scale carrier |
| 01/22/1991 | US4987301 Reflective optical encoder device with light beams applied as spats spaced by 2 predetermined pitch |
| 01/22/1991 | US4987299 Rotation quantity measuring method and system |
| 01/22/1991 | US4987040 Magnetic rotary encoders and magnetic linear scales |
| 01/22/1991 | US4986671 Three-parameter optical fiber sensor and system |
| 01/22/1991 | US4986663 Method and apparatus for determining the position of a mobile body |
| 01/22/1991 | US4986280 Hand position/measurement control system |
| 01/22/1991 | US4986124 Screened inductance sensors, especially sensors for level measurement |
| 01/17/1991 | DE4012817A1 Signalling parameter settings of electronic assemblies - using circuit with encoder, comparator and logic producing monitoring signal |
| 01/17/1991 | DE4012812A1 Signalling parameter setting for internally set electronic assembly - using process fed by encoder via interface and controlling setting changes automatically |
| 01/17/1991 | DE3922556A1 Beruehrungslose sensorklemme Contactless sensor terminal |
| 01/16/1991 | EP0407654A2 Indicator device and method of determining the absolute position of a pointer in the same |
| 01/16/1991 | EP0407607A1 Optical encoder |
| 01/16/1991 | EP0407578A1 Holder for magnetic sensitive element |
| 01/16/1991 | EP0303609B1 Method for the temperature compensation of the measure taken by a magnetic sensor |
| 01/16/1991 | EP0294474B1 Apparatus and method for indicating the extent of movement of a movable member of an electromagnetic device |
| 01/16/1991 | EP0154654B1 Device for detecting position of rotor of motor |
| 01/16/1991 | CN1011263B Capacitive sensor for measuring displacement |
| 01/15/1991 | US4985691 Contactless motion sensor |
| 01/15/1991 | US4985624 Optical grating sensor and method of monitoring with a multi-period grating |
| 01/15/1991 | US4985623 Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations |
| 01/10/1991 | WO1991000632A1 Optical carrier generation using stimulated brillouin scattering |
| 01/10/1991 | WO1991000499A1 Encoder |
| 01/10/1991 | WO1991000498A1 High-resolution absolute coder |
| 01/10/1991 | DE4019794A1 Optical angle transducer with rotating coded disc - interrupting light path between light emitting optical conductor and light receiving conductor of greater fibre dia and numerical aperture |
| 01/10/1991 | DE3920155A1 Neutral path optical measurement arrangement for physical valve - has bidirectional transmission path, modulator and absorptive or dispersive optical switching element |
| 01/09/1991 | EP0407020A1 Electrostatic angle resolver |
| 01/08/1991 | US4983964 System for data transmission |
| 01/08/1991 | US4983946 Variable resistor with switching mechanism |
| 01/08/1991 | US4983916 Compact magnetic encoder |
| 01/08/1991 | US4983915 Device for determining the rotary angle position of rotary drives of electrical machines by evaluation of electrical voltages by sensors responding to rotary movements |