Patents for G01D 3 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group (6,287) |
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04/14/1982 | EP0049419A1 Process for correcting a measuring signal |
04/14/1982 | EP0049304A1 Method of compensating for temperature-induced errors in alternating current measurement circuits, particularly remote clearance measurement instruments, and apparatus for carrying out the method |
04/07/1982 | EP0048851A2 Digital electrical length or angle measuring system |
03/30/1982 | US4322721 Self-monitoring warning installation |
03/23/1982 | US4321548 Frequency-voltage and voltage-frequency converters |
02/18/1982 | WO1982000519A1 Temperature compensation for transducer components |
02/09/1982 | US4315211 Preamplifier for voltage measuring instrument with non-interacting zero and span controls |
02/09/1982 | CA1117784A1 Density monitoring apparatus |
02/02/1982 | US4314174 Piezoelectric transducer drive having temperature compensation |
02/02/1982 | US4314146 Analog display device |
01/12/1982 | CA1116265A1 Method of and system for measuring physical quantities of a rotating body at many points thereof |
01/07/1982 | WO1982000054A1 Strain gauge and electrical circuit for its adjustment and calibration |
01/06/1982 | EP0042917A2 Digital length and angle measurement system |
12/22/1981 | US4306461 Meter incorporating a digital fullscale setting device |
12/22/1981 | CA1114913A1 Capacitive measuring system with automatic calibration means |
12/22/1981 | CA1114635A1 Temperature measurement apparatus |
12/01/1981 | US4303984 Sensor output correction circuit |
10/29/1981 | WO1981003094A1 Temperature compensating pressure sensor amplifier circuits |
09/30/1981 | EP0036504A2 Measuring device |
09/22/1981 | CA1109562A1 Voltage to rate converter circuit |
09/15/1981 | US4289975 Dissipating electrical charge |
09/15/1981 | CA1109136A1 Outage indicating apparatus for meter telemetry systems including data recorders |
09/09/1981 | EP0035403A1 Voltage measuring instrument and preamplifier therefor |
09/01/1981 | US4286873 Refractometer cell with integral lens |
08/28/1981 | EP0024426A4 Method and apparatus for compensating for drift of the null point of a measuring device. |
08/26/1981 | EP0034459A2 Cereal grain moisture content measuring apparatus |
08/18/1981 | US4284352 Heat exchanger for refractometer |
08/12/1981 | EP0033328A1 Device for compensation of transfer functions. |
08/11/1981 | US4283140 Spatially homogenizing optical modulator |
08/04/1981 | US4282578 System for linearizing non-linear transducer signals |
07/14/1981 | CA1105112A1 Control meter usable as a potentiometric or photoelectric device |
06/30/1981 | US4276648 Midvalue signal selection and fault detection apparatus and method |
05/26/1981 | US4270119 Dual slope system A-D converter |
05/19/1981 | US4268786 Position pickup for numerically controlled machine tools |
05/12/1981 | US4267515 Distortion factor meter circuit |
05/05/1981 | US4265536 Electrical zeroing of light beam |
04/28/1981 | US4263803 Calibration system and method of using same |
04/21/1981 | US4262675 Blood pressure measuring instrument having compensation circuit |
04/15/1981 | EP0027099A1 Refractive-index responsive light-signal system |
03/19/1981 | WO1981000774A1 Signal selection from redundant channels |
03/17/1981 | US4257107 Measuring device |
03/17/1981 | CA1097815A1 Process for the measurement of absolute values by means of a non-linearly working measured value emitter and a measuring device for carrying out the process |
03/11/1981 | EP0024786A2 Printing apparatus |
03/11/1981 | EP0024626A2 Method and devices for controlling a recording unit |
03/11/1981 | EP0024545A2 Pneumatic force transducer |
03/11/1981 | EP0024426A1 Method and apparatus for compensating for drift of the null point of a measuring device. |
03/10/1981 | US4255709 Device for providing an electrical signal proportional to the thickness of a measured coating with an automatic range switch and sensitivity control |
03/03/1981 | US4254469 Method and apparatus for offset error correction |
02/24/1981 | US4253051 Phase locked loop having electrical zeroing |
02/19/1981 | WO1981000452A1 Device for compensation of transfer functions |
02/18/1981 | EP0023935A1 Device for continuously controlling the functioning of a display or recording instrument, method of operating same and application of the method |
02/17/1981 | US4251776 Arrangement for raising a signal to a higher power |
02/17/1981 | US4251769 Indicator and limit value alarm device |
02/03/1981 | US4248095 Method of and system for measuring physical quantities of a rotating body at many points thereof |
01/20/1981 | US4246640 Automatic recorder abscissa scaling |
01/20/1981 | CA1094211A1 Indicating recorder |
01/07/1981 | EP0020877A1 Signal-evaluation circuit for an apparatus for measurement of extinction |
01/07/1981 | EP0020876A2 Signal processing circuit |
01/06/1981 | CA1093164A1 Biasing and scaling circuit for transducers |
12/23/1980 | US4241303 Linearization circuit |
12/23/1980 | US4240747 Refractive-index responsive light-signal system |
12/23/1980 | CA1092203A1 Gain ranging amplifier system |
12/02/1980 | US4236639 Method of automatically sorting thin sheet articles |
11/25/1980 | CA1090163A1 Continuous integrator control linkage |
10/29/1980 | EP0017933A2 Method and system for engine control |
10/14/1980 | US4228439 Level and frequency measuring recorder |
10/07/1980 | US4227144 Error compensation of synchro control transmitters |
09/23/1980 | US4223549 Oxygen monitoring circuit with built in testing means |
09/16/1980 | CA1085929A1 Physical quantities electric transducers temperature compensation circuit |
09/04/1980 | WO1980001851A1 Method and apparatus for compensating for drift of the null point of a measuring device |
07/29/1980 | US4214474 Density monitoring apparatus |
07/22/1980 | US4214250 Indicating recorder |
07/08/1980 | US4211971 Ratio meter for capacitive-type displacement converter |
07/08/1980 | CA1080993A1 Pneumatic pressure transmitter responsive to temperature and humidity |
07/01/1980 | US4210866 Linearizing circuit for a non-destructive testing instrument having a digital display |
07/01/1980 | US4210024 Temperature measurement apparatus |
06/17/1980 | US4208625 Capacitive measuring system with automatic calibration |
06/10/1980 | US4206648 Impedance measuring circuit |
05/27/1980 | CA1078219A1 Wheel and disc continuous integrator |
05/13/1980 | CA1077625A1 Dynamic linearization system for a radiation gauge |
05/06/1980 | US4201979 Conveying data signals between relatively rotatable units |
04/15/1980 | US4198677 Method and apparatus for compensating a sensor |
04/01/1980 | US4196382 Physical quantities electric transducers temperature compensation circuit |
03/18/1980 | US4193300 Signal linearizing circuit for internal combustion engines |
03/11/1980 | US4193039 Automatic zeroing system |
03/05/1980 | EP0008371A1 Circuit with a rectifier and a logarithmic amplifier |
02/26/1980 | US4190804 Signal-conditioning circuits |
02/19/1980 | US4189017 Weighing apparatus including digitalization error correcting means |
02/06/1980 | EP0007414A1 Multiplexed multidigital display control method and display operated by this method |
01/15/1980 | US4184166 Locomotive performance recorder |
01/01/1980 | US4181961 Process for the measurement of absolute values by means of a non-linearly working measured value emitter, and a measuring device for carrying out the process |
12/04/1979 | CA1067471A1 Device for recording measuring values |
11/20/1979 | US4174639 Bridge circuits |
10/30/1979 | US4172389 Temperature compensated bridge circuit |
10/30/1979 | US4172388 Differential pressure sensor with dual level overrange protection |
10/09/1979 | US4170311 Level measuring system |
10/02/1979 | US4169387 Transducer for mechanical measured variables, especially a pressure transducer |
10/02/1979 | US4169380 Electronic circuit arrangement |
09/25/1979 | US4169243 Remote sensing apparatus |
08/07/1979 | CA1059792A1 Combined pressure and temperature correction apparatus for gas meters |