| Patents for G01R 17 - Measuring arrangements involving comparison with a reference value, e.g. bridge (1,558) |
|---|
| 07/21/1987 | US4682100 Method of measuring a DC current or a low-frequency AC current |
| 07/08/1987 | EP0227669A1 Remote sensor with compensation for lead resistance |
| 07/01/1987 | EP0227257A2 Electrochemical device |
| 06/25/1987 | DE3545375A1 Method for automatically calibrating an integrating-type, microcomputer-controlled measuring instrument |
| 05/20/1987 | EP0221965A1 Bridge for absolute measurement of the capacity and conductance of semi-conductor test-pieces |
| 05/13/1987 | CN86105112A Practical current cathode protection system |
| 05/06/1987 | EP0220287A1 Ac-dc transfer standard temperature sensor reversal error compensation circuit |
| 04/21/1987 | US4659910 AC-DC transfer standard temperature sensor reversal error compensation circuit |
| 04/15/1987 | EP0217967A1 Heterodyne-type method and apparatus for measuring signals, having means for automatically correcting the detuning |
| 04/09/1987 | WO1987002142A1 High precision capacitance bridge |
| 03/31/1987 | US4654580 Electrical continuity tester for the connection of a terminal and an insulated lead |
| 03/25/1987 | EP0215190A1 Circuit for balancing the diagonal voltage of a resistance bridge |
| 03/25/1987 | EP0128941B1 Method of measuring a dc currrent or a low-frequency ac current |
| 02/24/1987 | US4646002 Circuit for high impedance broad band probe |
| 02/18/1987 | CN86105151A Circuit structure for adjusting a unbalanced voltage measure value of resistance bridge circuit |
| 02/17/1987 | US4644262 Electrical multi-position measuring device |
| 02/04/1987 | EP0210920A1 Apparatus for the cathodic protection of a structure by an applied current |
| 01/31/1987 | CN86100006A Measuring bridge |
| 01/27/1987 | US4639665 Sensing system for measuring a parameter |
| 01/21/1987 | CN86101617A Capacitance measuring method and apparatus |
| 01/17/1987 | CN85100829A Multichannel open-type heavy d.c. comparator |
| 01/15/1987 | WO1987000291A1 Remote sensor with compensation for lead resistance |
| 01/06/1987 | US4635057 Remote sensor with compensation for lead resistance |
| 12/30/1986 | EP0205538A1 Process for reducing the transmission error of current transformers, and precision current transformers |
| 12/17/1986 | EP0205120A2 Superconducting current detecting circuit employing DC flux parametron circuit |
| 12/09/1986 | US4628257 Wattmeter |
| 12/04/1986 | WO1986007155A1 Two body capacitance measurement instrument remotely connected to probe via transmission channel |
| 12/03/1986 | CN85104340A Bridge-type measuring method of current after arc in area of null current |
| 11/25/1986 | US4625163 Display temperature compensator for electric meter |
| 11/20/1986 | WO1986006842A1 Bridge for absolute measurement of the capacity and conductance of semi-conductor test-pieces |
| 11/12/1986 | CA1213947A Signal conditioner for biological signals |
| 11/06/1986 | WO1986006496A1 Ac-dc transfer standard temperature sensor reversal error compensation circuit |
| 10/23/1986 | WO1986006174A1 Heterodyne-type method and apparatus for measuring signals, having means for automatically correcting the detuning |
| 10/21/1986 | US4618818 Evaluation circuits for passive measurement-variable pickups |
| 10/15/1986 | EP0197917A2 Method for the periodical determination of a measured quantity, and device for carrying out this method |
| 09/17/1986 | CN86200939U Double bridge on-line resistance meter |
| 09/10/1986 | CN86100363A Method circuit and apparatus for the elimination of the d.c.voltage components of a capacitive a.c.voltage divider |
| 09/09/1986 | US4611163 Temperature compensated resistance bridge circuit |
| 08/20/1986 | CN85100355A Design for making current ratio standard and the product thereof |
| 08/13/1986 | EP0190455A1 Method, circuit and device for eliminating the DC-voltage component of a capacitive AC-voltage divider |
| 07/29/1986 | US4603294 Measuring device for the accurate adjustment of the start-of-measurement of a measuring transducer |
| 07/22/1986 | US4602322 Transistor rectifier |
| 07/03/1986 | WO1986003883A1 Process for reducing the transmission error of current transformers, and precision current transformers |
| 07/02/1986 | CN85103773A Active unbalance bridge circuit |
| 06/24/1986 | US4596950 Compensated transducer |
| 06/17/1986 | US4595184 Controllable spiral spring, in particular with logarithmic characteristics |
| 06/11/1986 | EP0183701A1 Variable current pressure transducer system. |
| 06/11/1986 | CN85202256U Direct reading transformer condenser bridge |
| 05/20/1986 | US4590391 Multi-input zero offset comparator |
| 01/28/1986 | US4567429 Digital servo indicator |
| 01/28/1986 | CA1199970A1 Switching device for the electrical measurement of reactive impedances and a measuring bridge using such a switching device |
| 01/16/1986 | WO1986000417A1 Electrical continuity testing |
| 01/07/1986 | US4563655 Circuit for deriving a gain control voltage |
| 01/02/1986 | EP0166317A2 Circuit for deriving a gain control (agc) voltage |
| 12/24/1985 | US4560975 Method of and apparatus for error compensation in electronic analog sensing systems and the like |
| 12/24/1985 | US4560890 High pitting corrosion resistance |
| 12/19/1985 | WO1985005679A1 Variable current pressure transducer system |
| 11/21/1985 | EP0161444A1 Transducer circuit for producing an output signal in response to variations in the value of a reactive sensing impedance |
| 11/12/1985 | US4553084 Current sensing circuit |
| 11/05/1985 | US4551668 Voltage sensing at loads remotely connected to power supplies |
| 10/22/1985 | CA1195735A1 In-phase voltage elimination circuit for hall element |
| 10/15/1985 | US4546651 Transducer coupling |
| 10/15/1985 | CA1195382A1 Error-compensated high-voltage transformer |
| 10/01/1985 | US4544875 Variable current transducer system |
| 09/17/1985 | US4542334 For burying a submarine cable that has previously been on submerged surface |
| 09/10/1985 | US4541065 Direct volts calibrator |
| 09/10/1985 | US4540000 Signal conditioner for biological signals |
| 08/13/1985 | US4535283 Device for conversion of non-electrical quantity into electrical signal |
| 08/07/1985 | EP0150606A1 Comparator circuit |
| 07/30/1985 | US4532442 Noise reduction in electronic measuring circuits |
| 07/16/1985 | US4530044 Self-balancing DC-substitution measuring system |
| 07/09/1985 | US4528499 Modified bridge circuit for measurement purposes |
| 07/03/1985 | EP0147292A2 Signal conditioner for biological signals |
| 06/04/1985 | US4521697 PNP comparator circuit having beta current error cancellation |
| 06/04/1985 | US4521694 Comparator timer with dual function adjustment |
| 05/15/1985 | EP0141080A1 Evaluation circuits for passive measuring detectors |
| 04/16/1985 | US4511855 Compensation for differences in gain among amplifiers |
| 04/02/1985 | CA1184975A1 Frequency compensator for a current-comparator capacitance bridge |
| 03/13/1985 | EP0134001A1 Electronic electric-energy meter with automatic offset regulation |
| 03/06/1985 | EP0133695A1 Sensing system for measuring a parameter |
| 01/22/1985 | US4495460 Digital feedback control system |
| 01/22/1985 | CA1181256A1 Bridge for reactive detector circuit |
| 01/02/1985 | CA1180388A Method and circuit arrangement for non-contacting measurement of direct and alternating currents more particularly instantaneous current-values |
| 12/27/1984 | EP0128941A1 Method of measuring a dc currrent or a low-frequency ac current. |
| 12/25/1984 | US4490803 Temperature compensation of a resistance bridge circuit |
| 12/19/1984 | EP0128791A1 Safety ohmmeter for checking electric blasting lines |
| 12/18/1984 | USRE31773 Cathode ray tube system with strip chart recorder display format |
| 12/18/1984 | US4488811 Base-line correction means for spectrophotometer system |
| 11/13/1984 | US4482862 Current sensor |
| 11/06/1984 | US4481477 Method and apparatus for the real-time measurement of the small signal gain of an amplifier |
| 10/16/1984 | US4477772 Frequency compensator for a current-comparator capacitance bridge |
| 10/09/1984 | CA1175677A1 Temperature compensation for bridge circuits |
| 09/11/1984 | US4471265 Apparatus for counteracting the cathode current increase occurring during warming-up in a travelling-wave tube in response to variation in the grid-cathode distance |
| 07/31/1984 | US4463272 Automatic drift correction |
| 07/17/1984 | US4460867 Method and circuit for measuring of current |
| 07/17/1984 | US4459995 Indicating device for use in a device for measuring and indicating changes in resistance of a living body |
| 07/10/1984 | CA1170716A1 Voltage sensing apparatus for a voltage regulating transformer |
| 07/05/1984 | WO1984002581A1 Method of measuring a dc curent or a low-frequency ac current |
| 06/12/1984 | US4454468 Switching device for the electrical measurement of reactive impedances and a measuring bridge using such a switching device |
| 05/15/1984 | US4449093 Circuit for measuring electrical properties |