| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 07/20/1983 | EP0083804A1 An AC current detection circuit for a rotor driving supply source of a rotating anode X-ray tube |
| 07/12/1983 | US4393430 Multi-phase failure detector |
| 07/12/1983 | US4392749 Instrument for determining coincidence and elapse time between independent sources of random sequential events |
| 07/06/1983 | EP0083196A1 Voltage and electric field measuring device using light |
| 07/05/1983 | US4392108 Broadband radiation detector for microwave and lower frequencies |
| 07/05/1983 | US4392106 Non-contact device for monitoring electrical pulse signals |
| 06/29/1983 | EP0082535A1 Unwanted signal detecting and measuring apparatus |
| 06/21/1983 | US4389610 Electrostatic probe device and method of manufacturing such a device |
| 06/15/1983 | EP0081000A1 Corona detection apparatus |
| 06/14/1983 | US4388588 Flush mountable plasma density profile probe device |
| 06/07/1983 | US4387467 Satellite test chamber with electromagnetic reflection and resonance damping for simulating system generated electromagnetic pulses |
| 06/01/1983 | EP0080410A1 Device for determining and following the instantaneous coordinates of the extreme of a function y = f(x) characteristic of a system with an input x and an output y |
| 05/31/1983 | US4386315 Electric field detector |
| 05/31/1983 | CA1147443A1 Augmented radiometric system |
| 05/25/1983 | EP0079504A1 Protective relaying methods and apparatus |
| 05/10/1983 | US4383166 Automatic echo-chamber for measuring single time intervals by replication and averaging |
| 04/26/1983 | CA1145475A1 Signal measurement apparatus |
| 04/26/1983 | CA1145400A1 Ground-isolated electrostatic field detector |
| 04/20/1983 | EP0077075A1 Digital player for reproducing a digital signal sequence |
| 04/12/1983 | US4379993 Pulse failure monitor circuit employing selectable frequency reference clock and counter pair to vary time period of pulse failure indication |
| 04/05/1983 | US4379265 Dual clocking time delay generation circuit |
| 03/29/1983 | US4378605 Apparatus for detection of uniformly distributed noise interference and method therefor |
| 03/22/1983 | US4377760 Device for reading a quantity of electric charge |
| 03/17/1983 | WO1983000934A1 High frequency electromagnetic field detector |
| 03/16/1983 | EP0074235A1 Programmable signal analyzer |
| 03/15/1983 | CA1143055A1 Apparatus for measuring microwave electromagnetic fields |
| 03/08/1983 | CA1142587A1 System for predicting desynchronization of a synchronous machine |
| 03/01/1983 | US4375673 Charge spectrograph |
| 03/01/1983 | US4375635 Signal measurement apparatus |
| 03/01/1983 | US4375615 Apparatus for counting particles in a liquid suspension |
| 02/15/1983 | US4374361 Clock failure monitor circuit employing counter pair to indicate clock failure within two pulses |
| 02/01/1983 | CA1140636A1 Cardiac pacer with pulse width detector |
| 01/25/1983 | US4370616 Low impedance electrostatic detector |
| 01/25/1983 | US4370615 High speed temperature controlled electrometer |
| 01/19/1983 | EP0070054A1 Method and apparatus of assessing the dynamic surface potential of a solution |
| 01/19/1983 | EP0069972A1 Method and arrangement for determining signal power and signal distortion power for the case of circuits using pulse coding |
| 01/11/1983 | US4367948 Surface potential electrometer and image forming apparatus using the same |
| 01/05/1983 | EP0068078A1 Method for the improvement of the signal to noise level of noisy signals, particularly for the mesurement of back-scattered signals in optical wave guides |
| 12/28/1982 | US4366521 Sequence filters for determining the symmetrical components of multiphase AC power systems |
| 12/28/1982 | US4366474 Identification of electric power network phases experiencing disturbances |
| 12/22/1982 | EP0067796A1 Device for indicating pole-zero cancellation, in particular for amplifiers for ionizing radiation spectroscopy |
| 12/22/1982 | EP0067683A1 Electric field detector |
| 12/21/1982 | US4365193 Overvoltage-pulse analyzer |
| 12/21/1982 | US4365192 Isotopic broad-band survey meter |
| 12/15/1982 | EP0066681A1 Process for measuring a magnitude corresponding to the duty cycle of a periodic square-wave electrical signal and process for measuring the phase angle between two periodic square-wave electrical signals in quadrature and devices for carrying out said processes |
| 11/30/1982 | US4361804 Electrical test instruments |
| 11/24/1982 | EP0065455A1 Method and device for analysing a microwave radiation beam |
| 11/23/1982 | US4360865 Broad band microwave detector |
| 11/10/1982 | EP0064198A1 Apparatus for measuring noise factor and available gain |
| 11/09/1982 | CA1135335A1 Excessive duty cycle and pulse width limiter |
| 10/26/1982 | US4356448 Apparatus for measuring electrical or magnetic fields by absorption spectrum change |
| 09/29/1982 | EP0061033A1 Electrostatic voltage sensor |
| 09/28/1982 | US4352164 Data recording method and apparatus |
| 09/28/1982 | US4352094 Device for acquiring and averaging samples of a noisy periodic signal |
| 09/28/1982 | CA1132667A1 Track and hold circuit |
| 09/21/1982 | CA1132199A1 Apparatus and method for monitoring web conductivity |
| 09/14/1982 | US4349783 Ground isolated electrostatic field detector |
| 09/07/1982 | US4348637 Pulse width spectrum analyzer |
| 08/18/1982 | EP0058095A1 Device for determining the time of arrival of pulses, for use in distance measuring equipment |
| 08/17/1982 | US4345209 Missing pulse detector |
| 08/04/1982 | EP0056852A1 Electrolytic cell |
| 08/03/1982 | US4342965 Waveform instability detector |
| 07/27/1982 | US4341964 Precision time duration detector |
| 07/20/1982 | US4340855 Apparatus for enabling corona current measurement |
| 07/20/1982 | CA1128148A1 Fast redundant pulse density analyzer |
| 07/13/1982 | US4339723 Pulse width discriminator |
| 07/13/1982 | US4339721 Electrostatic voltmeter |
| 07/13/1982 | US4339712 Method and system for measuring width and amplitude of current pulse |
| 07/06/1982 | US4338595 Microwave leakage detector |
| 07/06/1982 | US4337779 Physiological event detector |
| 06/29/1982 | US4337435 Digital phase sequence detector |
| 06/29/1982 | CA1126819A1 Gated lightning detection system |
| 06/23/1982 | EP0054098A1 Metal backed floor which simulates the properties of an infinitely thick earth |
| 06/15/1982 | US4335304 Signal detection mechanism from electron multiplier |
| 06/08/1982 | US4334189 Operation supervisory apparatus of canned motor |
| 06/08/1982 | CA1125373A1 Electrostatic voltmeter |
| 06/01/1982 | US4333050 Multiphase voltage monitor |
| 05/18/1982 | US4330749 Electrometer apparatus |
| 05/11/1982 | US4329580 Fiber optic, liquid crystal display electrical measurement system |
| 05/04/1982 | US4328461 Apparatus for and method of measuring a high voltage electric field |
| 05/04/1982 | CA1123055A1 Method and apparatus for monitoring line voltage in a polyphase source |
| 04/27/1982 | US4326796 Apparatus and method for measuring and maintaining copy quality in an electrophotographic copier |
| 04/27/1982 | US4326538 Method and apparatus for analysis of essentially periodic signal sequences |
| 04/27/1982 | US4326417 Nondestructive acoustic electric field probe apparatus and method |
| 04/21/1982 | EP0049754A1 High speed temperature controlled electrometer |
| 04/07/1982 | EP0048863A1 Method and arrangement for the quantitative measuring of the potential on surface-wave filters |
| 03/30/1982 | US4322832 Method and arrangement for pulse spacing measurement |
| 03/30/1982 | US4322681 Module for analyzing and linearizing of electrical signals from unknown systems and method for using it |
| 03/23/1982 | US4321546 Aerosol can static electrometer |
| 03/16/1982 | US4320516 Circuit for ascertaining of the phase jitter of digital signals |
| 03/09/1982 | US4319226 Signal converter utilizing two clock signals |
| 03/02/1982 | US4318047 Detection of narrow pulses |
| 03/02/1982 | US4318042 Electrometer probe |
| 02/17/1982 | EP0046110A1 Device for obtaining a time-distance histogram of successive events |
| 02/16/1982 | CA1118520A1 Lightning detection system utilizing triangulation and field amplitude comparison techniques |
| 01/27/1982 | EP0044368A1 Device permitting the control of static electrical charge of phonographic discs |
| 01/19/1982 | US4311986 Single line multiplexing system for sensors and actuators |
| 01/19/1982 | US4311959 Capacitive measuring sensor |
| 01/19/1982 | US4311046 Multiple sensing device and sensing devices therefore |
| 01/19/1982 | CA1116715A1 Synchronization detecting and indicating system |