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) |
---|
03/27/1990 | US4912408 Distance measuring system using superconducting quantum interference device |
03/27/1990 | US4912322 Optical type displacement detecting device |
03/27/1990 | US4912320 Optical type encoder including diffraction grating for producing interference fringes that are processed to measure displacement |
03/27/1990 | US4911015 Non-electrical monitoring of a physical condition |
03/22/1990 | WO1990002956A1 Setting up of quadrature signals |
03/22/1990 | WO1990002924A1 Motion sensor |
03/22/1990 | WO1990002923A1 Method and apparatus for measurement of capacitance and for capacitive measurement of displacement |
03/22/1990 | WO1990002919A1 Tape scale applicator |
03/22/1990 | DE3831417A1 Optoelectronic absolute position encoder (displacement sensor) |
03/21/1990 | EP0359705A2 Bi-modal fibre-optical sensor with spatial demultiplexation |
03/21/1990 | EP0359414A2 Scale for use with opto-electronic scale reading apparatus |
03/21/1990 | EP0359360A2 Optical fibre sensors and methods |
03/21/1990 | EP0359247A2 Rotation sensor |
03/21/1990 | EP0358989A2 Position or speed sensing apparatus |
03/21/1990 | EP0358755A1 Shaft angle position sensing device |
03/21/1990 | EP0358689A1 Optical position encoder |
03/21/1990 | EP0357679A4 Fiber optic which is an inherent chemical sensor. |
03/20/1990 | US4910488 Rotary variable differential transformer with eccentric rotor core |
03/20/1990 | US4910408 Fiberglass collar for data transfer from rotatable shaft |
03/20/1990 | US4909594 Optical coupler pressure or load sensor |
03/20/1990 | US4909112 Multiple head gang saw with simplified, accurate displacement transducer |
03/20/1990 | CA1266786A1 Coherent distributed sensor and method using short coherence length sources |
03/15/1990 | DE3830520A1 Device for the generation of control voltages |
03/15/1990 | DE3829905A1 Method for detecting the position of an axle (shaft) |
03/15/1990 | DE3829647A1 Bewegungssensor Motion sensor |
03/15/1990 | DE3829636A1 Position sensing system |
03/14/1990 | EP0358366A2 Electrostatic capacity-type displacement sensor |
03/14/1990 | EP0358258A2 Optical sensing arrangement |
03/14/1990 | EP0358241A2 Method of determining inductivity of an inductive sensor |
03/14/1990 | EP0357870A2 Unitary rotational speed sensor |
03/14/1990 | EP0357695A1 Optical apparatus for use with interferometric measuring devices. |
03/14/1990 | EP0357679A1 Fiber optic which is an inherent chemical sensor |
03/14/1990 | EP0266389B1 Improvements relating to optical fibre sensing systems |
03/14/1990 | EP0118673B1 Measurement device |
03/13/1990 | US4908598 Rotary potentiometer |
03/13/1990 | US4908574 Capacitor array sensors for determining conformity to surface shape |
03/13/1990 | US4908572 Rotational speed sensor with unfixed and/or fixed edge speed calculation modes |
03/13/1990 | US4908510 Optical fiber coupled resolver having a reference signal |
03/13/1990 | US4907901 Method and apparatus for measuring displacement of a moveable member of an electromagnetic device by using perturbations in the device's energizing current |
03/13/1990 | US4907848 Holographic rotary and linear encoder and method |
03/13/1990 | CA1266712A1 Eddy current touch sensor |
03/12/1990 | EP0299054A4 Centrifugation pheresis system. |
03/08/1990 | WO1990002322A1 Parameter measurement using refractive index change |
03/08/1990 | WO1990002316A1 Rotary code disk mounting structure for optical encoders |
03/08/1990 | WO1990002315A1 Metrological scale |
03/08/1990 | WO1990002314A1 Orientating optical fibres |
03/08/1990 | WO1990002313A1 Optoelectronic measurement arrangement |
03/08/1990 | WO1990002312A1 Magnetic absolute position encoder |
03/08/1990 | DE3829875A1 Circuit arrangement for monitoring an inductive sensor |
03/07/1990 | EP0357426A2 Light quantity controlling apparatus |
03/07/1990 | EP0357277A2 Optical scale-reading apparatus |
03/07/1990 | EP0357253A2 Fibre optic sensor |
03/07/1990 | EP0357200A2 Position sensor |
03/07/1990 | EP0357199A2 Improved position sensor |
03/07/1990 | EP0356505A1 Magnetic position sensor |
03/07/1990 | EP0356482A1 A sensor and transducer apparatus. |
03/07/1990 | EP0148853B1 Quadature fiber-optic interferometer matrix |
03/06/1990 | US4907178 Method for detecting a reference angular position of a rotary body |
03/06/1990 | US4906992 Single track absolute encoder |
03/06/1990 | US4906924 Linear variable displacement transducers including phase shifting series connected coils |
03/06/1990 | US4906838 Optical encoder with grounded coding plate |
03/06/1990 | US4906837 Multi-channel waveguide optical sensor |
03/06/1990 | US4906834 Infrared detector circuit having a resistor series connected to the detector to limit the current across the pn junction of the FET |
03/06/1990 | US4905720 Current-to-pressure transducer with enhanced performance features |
03/06/1990 | US4905520 Pressure sensor |
03/01/1990 | DE3928027A1 Absolute coder using coding disc - has two detectors as unit, set at preset spacing along sign pattern track on-disc |
03/01/1990 | DE3921312A1 High resolution absolute coder with movable coding carrier - uses scanning beam deflectable in coding carrier movement direction |
03/01/1990 | DE3829516A1 Measuring device for determining an angle of rotation |
02/28/1990 | EP0356273A1 Main and secondary optical sensor device |
02/28/1990 | EP0356085A2 Automatic gain control fiber optic-to-electrical transceiver |
02/28/1990 | EP0355902A2 Plotter pen ink level detector |
02/27/1990 | US4905205 Method for transmitting to a central recording device seismic data collected by acquisition apparatus distributed over the ground and a device for implementing same |
02/27/1990 | US4904937 Apparatus for magnetically detecting positions with minimum length magnetic information units recorded on a plurality of magnetic tracks |
02/27/1990 | US4904921 Monolithic interface circuit for linear variable differential transformers |
02/27/1990 | US4904864 Multi-wavelength time domain reflectometer |
02/27/1990 | US4904861 Optical encoder using sufficient inactive photodetectors to make leakage current equal throughout |
02/27/1990 | CA1266312A1 Displacement detection |
02/22/1990 | WO1990001760A1 Humidity resistant meter reading device |
02/22/1990 | WO1990001680A1 Magnetic absolute position encoder |
02/21/1990 | EP0354996A2 Fibre-optical device to measure absolute positions |
02/21/1990 | EP0354936A1 Device for determining a path or an angular rotation |
02/21/1990 | EP0298091A4 Optical sensors and optical fibre networks for such sensors. |
02/21/1990 | CN1006926B Compressor with rotation detecting device |
02/20/1990 | US4903002 Displacement or position transducer |
02/20/1990 | US4902903 Apparatus employing reflective optical means |
02/20/1990 | US4902888 Optical fiber sensor |
02/20/1990 | US4902885 Photoelectric conversion type rotational position detector |
02/20/1990 | US4902882 In an electronic locking apparatus |
02/20/1990 | CA1265945A1 Fibre optic cable responsive to microbending forces |
02/15/1990 | DE3827113A1 Magnetic field sensor device |
02/14/1990 | EP0354825A1 Apparatus for coherence reading of an optical sensor |
02/14/1990 | EP0354732A2 Optical transducer systems |
02/14/1990 | EP0354566A2 Angle transducer |
02/14/1990 | EP0354565A2 A torque measuring and transmitting system for a web spooling mechanism |
02/14/1990 | EP0354386A1 Transducer for the measurement of length or distance changes, especially for the contactfree measurement of torque on rotating shafts |
02/14/1990 | EP0354269A1 Circuitry for monotoring the contact resistance of a potentiometer |
02/14/1990 | CN2052891U Magnetic resistance sensor |
02/14/1990 | CN1039652A Apparatus for detecting edge position |
02/13/1990 | US4901255 Method and apparatus for evaluating quadrature encoders |
02/13/1990 | US4901073 Encoder for measuring the absolute position of moving elements |