| Patents for G01D 1 - Measuring arrangements giving results other than momentary value of variable, of general application (2,389) |
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| 06/01/1994 | DE4305310A1 Vehicle fuel tank contents measuring method - involves substitution of memorised average signal for actual signal when vehicle is restarted from rest on significant slope |
| 05/25/1994 | CN2166415Y Long-distance display metering device for water & gas |
| 05/25/1994 | CN1087216A Electronic apparatus for automatically recording reading of watt-hour meter and transmission using telephone network |
| 05/24/1994 | US5313848 Disposable electronic monitor device |
| 05/19/1994 | DE4238666A1 Object detection arrangement with transmitter and receiver - contains threshold switch and micro-controller testing numbers of pulses compared to demand pulse count |
| 05/18/1994 | EP0597811A1 Sailing data recorder (S.D.R.), for the research of the causes of marine accidents |
| 05/11/1994 | EP0596320A1 Method and device for storing measured data in a recording instrument |
| 05/11/1994 | EP0596080A1 Digital sensor signal numerical differentiation process |
| 05/10/1994 | US5311432 Method and system for estimating the neutral point of a steering wheel |
| 05/05/1994 | DE4337388A1 Controlling heating system responsive to outside temp. measurement - averaging temp. readings over 24-hour periods for correction of storage heater control signal |
| 05/04/1994 | EP0535171B1 Device for evaluating for a measured quantity obtained on a rotating shaft |
| 04/26/1994 | US5305722 Knock suppression apparatus for an internal combustion engine |
| 04/21/1994 | DE4326706A1 Measuring relative and absolute vertical height - using hydrostatic sensors and extended line filled with liq. and distributed pressure sensors |
| 04/21/1994 | DE4235235A1 Continuous determination of traffic-generated pollution - employing vehicle-mounted digital signal transmitters which, on passing reference station, identify vehicle to enable pollution assessment |
| 04/14/1994 | DE4234133A1 Physical parameter monitoring arrangement, esp. for temp. sensing - has semiconductor sensor with resistance varying with measurement parameter, and evaluation device controlling power supply to sensor |
| 04/14/1994 | DE4233774A1 Multi=component transducer for mechanical measurement parameters - has load pick-up and bearings connected via column-shaped, stiff measurement springs with extension or distance sensors |
| 04/14/1994 | DE4220831C1 Pressure infusion pump testing device - converts feed volume and feed pressure of sump into path length and force values using calibrated measuring spring |
| 04/12/1994 | US5302944 Method and apparatus for the monitoring of the operation of linear and rotary encoders |
| 04/06/1994 | EP0590280A1 Ultrasonic procedure and device for locating leaks |
| 04/06/1994 | EP0590279A1 Ultrasonic procedure and device for locating leaks |
| 04/05/1994 | US5299526 Indicators |
| 03/31/1994 | WO1994007289A1 Process and device for electronically monitoring the overload on electric motor drives |
| 03/31/1994 | DE4302399A1 Electronic passenger restraint device testing system - evaluates signals provided by acceleration sensors during normal operation of vehicle |
| 03/24/1994 | DE4231205A1 Bend-inducing internal stress determination in coated substrate - by surface curvature measurement using scanning probe of film thickness measuring device |
| 03/17/1994 | WO1994006207A2 Self-synchronising signal averaging correction process |
| 03/17/1994 | DE4230873A1 Verfahren und Vorrichtung zur elektronischen Überlastüberwachung an elektromotorischen Antrieben Method and apparatus for electronic overload monitoring of electric motor drives |
| 03/10/1994 | DE4228900A1 Selbstsynchronisierendes Signal-Averaging-Korrekturverfahren Self-synchronizing signal averaging correction method |
| 03/08/1994 | US5293154 Center justified gauge |
| 03/03/1994 | DE4228893A1 System for controlling travel dynamics of road vehicle e.g. for ABS or ASR - has sensors for determining longitudinal, transverse or sheer coupled to and physically combined with evaluation unit in module, and separates further evaluation units for activating actuators from module |
| 03/03/1994 | DE4228414A1 Sensor signal processing e.g. for vehicle suspension regulation and=or control - generates correction values from signals related to vehicle movement or inertial reference system to convert from fixed reference system to reference system locked to movement path |
| 03/03/1994 | DE4228413A1 Motor vehicle weight calculation - dividing difference between drive forces, measured at spaced times, by difference between accelerations measured at corresponding times, to form quotient |
| 03/02/1994 | CN2158075Y Diyital mean value indicating & recording meter |
| 02/24/1994 | DE4327928A1 Vehicle drive slip regulation system - ends regulation when slip is continuously below threshold value for given time interval |
| 02/24/1994 | DE4227587A1 Cylindrical helical spring characteristic measuring device - has scale between spring and short end of lever which is connected to weighing and support blades |
| 02/23/1994 | EP0583930A1 Control device for a power steering motor |
| 02/23/1994 | CN2157491Y Automatic recorder for gas meter |
| 02/20/1994 | CA2104332A1 Method and apparatus for ultrasonic leak location |
| 02/20/1994 | CA2104322A1 Method and apparatus for ultrasonic leak location |
| 02/16/1994 | CN2156174Y Domestic water purifier with volume display |
| 02/10/1994 | DE4226010A1 Monitoring lifetime of vehicle components - involves continuously measuring and monitoring load on components with strain gauges feeding evaluation unit |
| 02/09/1994 | EP0582082A1 Method and device for determining the viscosity of liquids |
| 02/03/1994 | DE4224750A1 Quantitative movement analysis of fish - removing moving objects from video image to leave background, comparing successive images with background and recognising object by difference in intensity |
| 02/03/1994 | DE4222346A1 Noise reduction circuit for path sensor differentiator in vehicle speed measuring system - consists of hysteresis circuit comprising buffer amplifier and positive feedback path of capacitor and parallel connected second operational amplifier and antiparallel clamping diodes, with ratio of resistors determining hysteresis voltage |
| 02/02/1994 | EP0581343A1 Device for optically supplying information |
| 02/01/1994 | US5283416 Laser process monitoring and evaluation |
| 01/27/1994 | DE4324511A1 Safety device for motor vehicle, e.g. with airbag - integrates output from acceleration sensor mounted in vehicle chassis and actuates device accordingly |
| 01/20/1994 | DE4228942C1 Fluid surface tension measuring system - uses detection and evaluation of gas bubbles at liquid surface caused by introduced gas |
| 01/13/1994 | DE4222373A1 Distance and speed meter for sportsmen - derives speed and distance by integration of measured acceleration using sensor without external source |
| 01/13/1994 | DE4222304A1 Sensor-less determination of load torque and time curve of slip in converter-controlled asynchronous motor - measuring voltage and current, determining equivalent inductance and resistance, measuring current, voltage and slip of unloaded motor and generating equation using inductance at zero slip |
| 01/05/1994 | DE4221722A1 Measuring acceleration of vehicle - evaluating instantaneous fluid pressure in hydraulic or hydropneumatic components for force transfer between chassis and body |
| 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. |
| 12/15/1993 | CN1079549A Method for determining a frequency/time profile of hits, and device for carrying out the method |
| 12/14/1993 | CA1325280C Programmable threshold data detection system |
| 12/14/1993 | CA1325275C Regime recognition |
| 12/09/1993 | WO1993024808A1 Diagnostic method for an evolutive process |
| 12/09/1993 | DE4235809C1 Vehicle sensor system for detecting surface water on road - uses base-plate with acceleration sensor at rear detecting impact of surface water thrown up by adjacent vehicle wheel |
| 12/09/1993 | DE4218034A1 Measuring frictional connection potential of motor vehicle - involves measuring and smoothing vehicle parameters, e.g. speed and acceleration, and deriving vehicle state and road conditions |
| 12/09/1993 | CA2114634A1 Diagnostic method for an evolutive process |
| 12/08/1993 | EP0573357A1 Diagnostic procedure for an on-going process |
| 12/02/1993 | DE4318147A1 Processing circuit for magnetostrictive torque sensor in IC engine drive shaft - demodulates and integrates inverted signal of sensor attached to magnetostrictive shaft |
| 12/02/1993 | DE4217710A1 Continuous detection of slippery winter road surfaces - determining and comparing driving parameters and boundary conditions for motor car |
| 12/02/1993 | DE4217292A1 Capacitive distance measurement between workpiece and machining head e.g. of laser cutter or welding machine - comparing distance sensor signal with value derived from earlier sensor signal, e.g. formed by periodic sampling |
| 12/02/1993 | DE4217265A1 Determining relative extreme values of signal for detecting shaft position of DC motor - comparing signal with maximum-minimum and minimum-minimum difference values to detect signal subject to noise pulses |
| 12/02/1993 | DE4216458A1 Detecting surface shape of human or animal body - pressing metal surface on elastically compressible element with displacement and distance sensors against body |
| 11/30/1993 | US5265472 Process for compensating acceleration sensor errors |
| 11/25/1993 | WO1993023815A1 Digital sensor signal numerical differentiation process |
| 11/25/1993 | DE4216811A1 Verfahren zur numerischen Differentiation eines digitalen Sensorsignales Method for numerical differentiation of a digital sensor signal |
| 11/18/1993 | DE4315532A1 Physical parameter monitoring process - for e.g. glucose or gas level with storage and evaluation in two phases carried out by two users e.g. prim. measurement by diabetic, and sec. monitoring by medical staff |
| 11/18/1993 | DE4315531A1 Monitoring physical parameter e.g. blood sugar level of diabetic - acquiring data with hand-held unit, storing multiple data sets in memory of compact data processing unit and displaying change in physical parameter of several data acquisition periods. |
| 11/18/1993 | DE4215459A1 Room ventilation signal evaluation of sensor of e.g. temp., humidity, light, pressure, gas, pH or flow - compares sensor input signals with averaged and fixed DC values, and outputs via OR=gate when either threshold is exceeded. |
| 11/18/1993 | DE4214920A1 Preparation of sensor signals for evaluation for colour projection TV - superimposing signal on each sensor output signal indicating when measurement parameter is present and superimposing at diode stage when both sensor signals are present. |
| 11/18/1993 | DE4207493A1 Contactless temp. monitoring system for ferromagnetic vehicle brake disc - measures temp. dependent permeability in air gap of transformer, with min. permeability larger than one below Curie temp. and threshold permeability between min. and one, and compares actual and threshold values. |
| 11/10/1993 | EP0568771A1 Method for determining the frequency distribution of events and device for applying this method |
| 10/28/1993 | DE4311478A1 Fuel type determination system - has sensors and data store for determining IC engine fuel mix ratio |
| 10/27/1993 | CN2144817Y Safety gas meter |
| 10/26/1993 | US5255562 Measurement of interfacial strength of a composite material |
| 10/26/1993 | CA2089219A1 Method for determining a frequency/time profile of hits, and device for carrying out the method |
| 10/12/1993 | US5253173 Controlling a passenger restraint device in a motor vehicle |
| 10/12/1993 | US5252864 Normalization circuit for a measuring device |
| 10/05/1993 | CA1322778C Monitoring system |
| 09/16/1993 | DE4207592A1 Surface corrugation test - uses reflected beam from angled light beam to register reflected angle to show structure of corrugations |
| 09/09/1993 | DE4306637A1 Spatial error compensation system e.g. for three=dimensional coordinate measurement - uses single function generation system, control parameter generator, position controller and position detector |
| 09/01/1993 | CN2141557Y Outdoor automatic recording device for digit of gas meter |
| 08/26/1993 | DE4210848A1 Safety device, esp. for protecting people and objects from dangerous parameters - has comparator between measuring sensor and display, and displays at least two active states of comparison signal |
| 08/26/1993 | DE4204429A1 Programmable system for measuring physical parameters - has programming- and reading-unit and small measurement device contg. sensor unit and clock |
| 08/19/1993 | DE4303178A1 Determining parameters of materials using interfering light beams - detecting reflected light directed onto material, applying interfering light, and evaluating by Fast Fourier Analysis |
| 08/11/1993 | EP0447415B1 Process for evaluating a sensor signal |
| 07/28/1993 | CN1074756A Industrial sewage drainage total quantity measuring instrument |
| 07/15/1993 | DE4200616A1 Distance measurement system with limit markers - contains measurement and reference scales with distance and limit markers and associated sensing units |
| 07/08/1993 | DE4217766C1 Piezoelectric force and torque measurement transducer - contains two or more piezoelectric elements in modulator contg. plate acting on piezoelectric elements, summing amplifier for output voltages |
| 06/24/1993 | DE4142457A1 Measuring rotary position of motor vehicle steering shaft - involves deriving coarse measurement from speed difference of front wheels |
| 06/17/1993 | DE4141039A1 Electrical measurement data determining unit esp. for integration in data processing system - has at least current and voltage measurement inputs which can be changed over and their respective input is connected with instrument transformer by switch |
| 06/16/1993 | EP0546789A2 Method and system for estimating the neutral point of a steering wheel |
| 06/15/1993 | US5220499 Electronic measuring apparatus having general purpose processing unit |
| 06/10/1993 | WO1991012493A3 Apparatus for absolute position measurement |
| 06/09/1993 | EP0545345A1 Electronic price indicating apparatus |
| 06/02/1993 | CN1072774A Intelligent integral-counting instrument for metering natural gas |
| 05/27/1993 | DE4137644A1 Approximate determination of useful signal from noise affected measurement values - dividing successively gathered signals in two, forming mean values and deriving weighting function |
| 05/25/1993 | US5214580 Process for identifying discrete data representative of an input sample stream |
| 05/19/1993 | EP0541962A2 Visual indicator for hearing protection in an audio amplifier |