Patents for G01D 18 - Testing or calibrating apparatus or arrangements provided for in groups (5,294) |
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09/21/1994 | EP0616197A1 Calibration method for measuring devices and measuring device with control unit for carrying out this method |
09/20/1994 | US5347841 Self-testing transducer curcuit |
09/13/1994 | US5347476 Instrumentation system with multiple sensor modules |
09/07/1994 | EP0541573B1 Measurement value sensor |
09/01/1994 | WO1994019920A1 Method and apparatus for precisely measuring accelerating voltages applied to x-ray sources |
08/30/1994 | US5341702 Apparatus for calibration of an angular displacement |
08/30/1994 | US5341689 Pen force gage for a pen plotter |
07/21/1994 | DE4301113A1 Calibrating sensor for measurement of solid content of solid-liquid mixtures and determining mixture material properties |
07/13/1994 | EP0606115A1 Detector having self-calibration function |
06/28/1994 | US5325339 Absolute calibration technique for broadband ultrasonic transducers |
06/09/1994 | WO1994012940A1 Instrumentation system with multiple sensor modules |
06/09/1994 | CA2149632A1 Instrumentation system with multiple sensor modules |
05/10/1994 | US5309759 For testing an accelerator pedal sensor |
05/05/1994 | DE4334060A1 Determining position parameters of measurement position - detecting displacement of image of scattered laser beam on detectorusing triangulation principle |
04/28/1994 | DE4235880A1 Vehicle variable parameter detection method - involves comparison of signal values on two or more signal lines to detect short circuits |
04/27/1994 | EP0594483A1 Process and device for measuring a physical parameter, especially the temperature in a room or vehicle |
04/14/1994 | WO1994008225A1 Spectroscopic instrument calibration |
04/14/1994 | CA2146342A1 Spectroscopic instrument calibration |
04/12/1994 | US5302823 In an electrooptical apparatus |
03/31/1994 | DE4232719A1 Vibration fill-level limit switch - has level measurement device connected to remote evaluation circuit, and performs regular functional test cycles |
03/22/1994 | US5297065 Magnetic transient detection and calibration technique for an auto-calibrating compass |
03/22/1994 | US5297063 Method for selecting calibration data for an auto-calibrating compass |
03/15/1994 | US5295176 Method and apparatus for precisely measuring accelerating voltages applied to x-ray sources |
03/15/1994 | US5294890 Examination circuit for a sensor |
03/08/1994 | US5293137 Digital transducer system including two reactive transducers forming resonant oscillator circuits |
02/17/1994 | DE4226813A1 Measuring fill level in vessel e.g. bottle - adjusting test voltage to reference probe fully immersed in one vessel, according to conductivity of measured liq. to set current, and applying test voltage to measurement probe to derive current signal |
02/15/1994 | CA1327067C Modular switch device |
02/10/1994 | DE4324197A1 Arrangement for analogue=to=digital conversion and serial measurement value transfer - contains evaluation unit, signal processing circuit, ADC, monostable timer, control circuit and line couplers |
01/19/1994 | EP0487681B1 Method for measurement of angular displacement |
01/13/1994 | DE4321589A1 Fault monitoring system for motor vehicle occupant restraint airbag system - generates fault signal when signals from both reset and state signal generators, at ignition and connection of battery, are received |
01/05/1994 | EP0390886B1 Setting up of quadrature signals |
01/05/1994 | DE4221848A1 Automatic in situ calibration of in vivo glucose sensors - by comparing measured value with reference signal from independent model, calculating quality control values and correcting sensor signal if these exceed specified limits |
01/05/1994 | DE4221186A1 Indirect determination of control system supply and reference voltages for motor vehicle steering column e.g. for fault recognition - using coarse potentiometer working over whole rotation of shaft, and two fine potentiometers, and using max. signal to determine supply voltage and min. signal to determine reference voltage. |
12/29/1993 | EP0575979A1 Remote addressable transducer with automatic calibration and digital compensation |
12/28/1993 | US5274578 Circuit and method for normalizing detector circuit |
12/28/1993 | US5274334 Calibrated physical parameter value measurement system |
12/09/1993 | WO1993024992A1 Digital transducer system |
12/08/1993 | EP0447515B1 Device for the analog triggering of a digital adjustment process |
12/02/1993 | DE4218022A1 Temperature measurement signal monitoring appts. - has two two=way switches or relays in series between transducer or calibration source and evaluation unit |
11/24/1993 | CN2147512Y Pointer instrument precision measurer |
11/24/1993 | CN2147511Y Digital display meter head measurer |
11/23/1993 | CA1324687C Method and system for transferring calibration data between calibrated measurement instruments |
11/18/1993 | EP0569924A1 Method and device for monitoring a sensor |
11/18/1993 | DE4215671A1 Measuring sensor parameter-dependent impedance change e.g. for inductive path sensor - using calibration mode, in which start time is measured, after which signal reaches measurement region, and converting each signal to digital value when value at start of measurement region is exceeded. |
11/11/1993 | WO1993022656A1 Colorimetric measurement device |
11/11/1993 | WO1993022625A1 Method for fast kalman filtering in large dynamic systems |
11/03/1993 | EP0568390A1 Battery charge monitoring |
10/28/1993 | WO1993021505A1 Self-validating sensors |
10/28/1993 | DE4313076A1 Laser interferometer for length and direction of movement measurement |
10/14/1993 | DE4309989A1 Temp. telemetering device using constant current pulses - includes evaluation unit with controllable switch for producing synchronisation pulse detectable by each remote sensing unit |
10/12/1993 | US5251631 Ultrasonic imaging apparatus |
09/08/1993 | EP0559306A1 Circuit for zeroing and sensitivity adjustment of an analog signal in measuring equipment |
09/01/1993 | EP0557564A1 Mounting device for an angular position encoder |
08/31/1993 | US5241173 Readhead for producing signals when travelling along a scale having a set-up detector for detecting alignment of quadrature signals |
08/25/1993 | EP0556371A1 Method and apparatus for calibration of an angular interferometer. |
08/24/1993 | US5237851 Device for the analog actuation of a digital setting operation |
08/17/1993 | US5237390 Method and apparatus for measurement of angular displacement |
07/14/1993 | EP0470140B1 Apparatus and method for calibrating a sensor system |
06/24/1993 | WO1993012434A1 Rpm sensor, in particular for a gearwheel |
06/24/1993 | DE4141958A1 Drehzahlsensor, insbesondere zahnradsensor Speed sensor, in particular gear sensor |
06/23/1993 | CN2136974Y Operating test meter for automatic balance display record instrument |
05/26/1993 | EP0542943A1 Test circuit for a sensor |
05/05/1993 | CN1071751A Correction method for measuring values |
05/04/1993 | US5207087 Sensor calibrator and test apparatus |
04/15/1993 | WO1993007601A1 Calibration system for measurement instruments |
04/15/1993 | DE4133426A1 Capacitive sensor circuit providing measurement and function test - has dual mode operation with bridge measurement and separate test voltage for checking functional performance via reference capacitor |
03/18/1993 | WO1993005360A1 Method and apparatus for calibration of an angular interferometer |
03/02/1993 | US5189901 Densitometer calibration apparatus and method |
02/18/1993 | WO1993003331A1 Method for assembling and calibrating a transducer |
01/21/1993 | DE4124042A1 Identification device for measurement transducer in large measurement system - has identification signal generator which produces signals from stored identities and clock signal |
01/21/1993 | DE4124041A1 Identification device for measurement transducer in large measurement system - has identification signal generator which produces signals from stored identities and clock signal |
01/14/1993 | DE4122635A1 Einrichtung zur defekterkennung bei sensoren Means for defect detection in sensors |
12/29/1992 | US5174884 Piezoelectricity; detecting physical quantity |
12/29/1992 | US5174425 Steering angle detecting device for a motor vehicle |
12/15/1992 | US5171982 Display device with photoelectric sensing of unevenly spaced marks on a coding disk |
12/15/1992 | US5170549 Process and arrangement for manufacturing a measurement device for measuring pressure or temperature |
12/10/1992 | WO1992021985A1 Test circuit for a sensor |
12/10/1992 | DE4118718A1 Pruefschaltung fuer einen sensor Test circuit for a sensor |
11/25/1992 | EP0514634A1 Process for correcting measurement errors |
11/19/1992 | EP0514081A1 Setting up of quadrature signals |
11/18/1992 | CN2122376U Integral checking gauge |
11/12/1992 | DE4115288A1 Balancing arrangement for signals from e.g. combustion oximeter - uses fixed and adjustable resistors having good thermal coupling and equal and opposite dependence on temp. |
11/12/1992 | DE4114814A1 Function testing device for container filling level indicator - uses test vol of filling material displaced into contact with level indicator |
11/10/1992 | US5161405 Clutch pedal positon sensor continuous calibration |
10/29/1992 | WO1992018832A1 Apparatus and method of calibrating a sensor probe |
09/22/1992 | USRE34070 Method and system for transferring calibration data between calibrated measurement instruments |
09/17/1992 | WO1992015768A1 Method of checking that an oil well safety valve is operating correctly |
09/15/1992 | US5148378 Sensor controller system |
09/15/1992 | US5146776 Method for continuously calibrating an optical vibration sensor |
09/01/1992 | US5142897 Height adjustment in a vehicle fitted with air suspension |
08/19/1992 | EP0380552B1 An electronic controller unit |
08/11/1992 | US5138564 Automatic encoder calibration |
07/22/1992 | EP0366749B1 A transducer monitoring arrangement |
07/14/1992 | US5130727 Feedback scheme for ionographic calibration |
07/07/1992 | US5128609 Setting up of quadrature signals |
06/16/1992 | US5122661 Method and apparatus for testing infrared radiation detectors |
06/11/1992 | WO1992009974A1 Method and apparatus for testing lcd panel array prior to shorting bar removal |
06/09/1992 | US5121064 Method and apparatus for calibrating resistance bridge-type transducers |
06/09/1992 | US5120943 Method of and apparatus for setting a measuring instrument |
06/03/1992 | EP0487681A1 Method for measurement of angular displacement. |