G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
11/1994
11/15/1994	US5365462 Instrumentation system with multiple sensor modules providing calibration date information
11/15/1994	US5365129 Temperature-compensated voltage level sense circuit
11/15/1994	US5363535 Carpet cleaning machine with convertible-use feature
11/10/1994	DE4314484A1 Datenerfassung zum Ansatz an ein mobiles elektronisches Vielfachmeßgerät, insbesondere ein Handmultimeter Collection of data on approach to a mobile electronic multimeter, especially a handheld multimeter
11/09/1994	EP0623997A1 Hysteresis comparator working with a low voltage supply
11/09/1994	EP0623984A1 Coupling circuit for a measuring instrument
11/09/1994	CN2182410Y Non-contacting electronic electrometering device
11/08/1994	US5363100 Digital peak-threshold tracking method and apparatus
11/08/1994	US5362995 Voltage comparing circuit
11/08/1994	US5362992 Electronic control of peak detector response time
11/02/1994	EP0622892A1 Method and apparatus for kelvin current sensing in a multi-phase driver for a polyphase dc motor
11/02/1994	CN2181698Y Multipurpose tester for electricians
11/02/1994	CN1026437C AC Current changer
10/1994
10/27/1994	WO1994024575A1 Electrooptic instrument
10/27/1994	WO1994024573A1 Optical method of measuring an alternating electrical current, including temperature compensation, and a device for carrying out the method
10/27/1994	WO1994024572A1 Optical method of measuring an alternating electrical current, including temperature compensation, and a device for carrying out the method
10/27/1994	CA2160473A1 Optical method of measuring an alternating electrical current, including temperature compensation, and a device for carrying out the method
10/26/1994	EP0621638A1 Integrated high voltage differential sensor using the inverse gain of high voltage transistors
10/26/1994	EP0621487A1 High voltage phasing detector
10/26/1994	EP0478567B1 Method and electrical arrangement for processing measurement signals
10/26/1994	CN2180640Y Device for identifying number of coke pushing furnace and testing current of coke pushing
10/26/1994	CN1026359C Magnetooptic current angle comparison method and its installation
10/25/1994	US5359319 Electrostatic discharge detector and display
10/20/1994	DE4325322C1 Arrangement for converting an input voltage signal, which can fluctuate within a wide range, into a binary output signal
10/20/1994	DE4307817C1 Measuring method and measuring device for measuring an RMS value
10/19/1994	CN2179977Y Loss-of-phase and overload detecting converter for refrigerator set
10/19/1994	CN2179976Y Multi-functional leakage current detector
10/19/1994	CN1026263C Machine for inspecting the wall thickness of glass containers
10/18/1994	US5357186 Circuit for detecting the inter-phase voltage of an alternator for implementing a regulator associated with such an alternator
10/16/1994	CA2094053A1 Block heater cord light
10/13/1994	WO1994023307A1 Current sensor and motor rotation sensor using the current sensor
10/12/1994	EP0619021A1 Current sensor
10/12/1994	CN1093465A 电流检测器 Current detector
10/11/1994	CA2038004C Optical d.c. voltage transformer
10/08/1994	CA2120451A1 Differential current sensing method and apparatus
10/05/1994	EP0618657A1 Automatic triggering circuit
10/05/1994	EP0618452A1 An average power detector circuit
10/05/1994	CN2178964Y Special power for multipurpose heating apparatus
10/05/1994	CN2178904Y Ground articulater for electroscope alarm
10/05/1994	CN2178903Y Focusing field Hall sensor
09/1994
09/29/1994	WO1994022024A1 Power meter
09/29/1994	WO1994022023A1 Improved power meter
09/29/1994	DE4332899C1 Circuit arrangement for detecting the duration of current flow at converter valves
09/29/1994	DE4309792A1 Simplified detection of periodic quantities
09/28/1994	EP0617292A1 Continuously AC-mains resistance monitoring system
09/28/1994	CN2178358Y Phase interruption indicating device
09/27/1994	US5351271 Method and device for measuring the successive amplitude levels of signals received on a transmission channel
09/22/1994	DE4318502C1 Method and circuit for monitoring the currents from power capacitors for power-factor correction
09/21/1994	EP0616239A2 Method of positioning an electro-optic probe of an apparatus for the measurement of voltage
09/21/1994	EP0616225A2 Electro-optic probe
09/21/1994	EP0615669A1 Process and circuit for measuring particle fluxes
09/21/1994	CN2177950Y Arrangement for indicating presence of current or voltage
09/20/1994	US5349676 Data acquisition systems with programmable bit-serial digital signal processors
09/20/1994	US5349521 Full wave rectifier using a current mirror bridge
09/20/1994	US5349351 Analog-digital converting device
09/20/1994	US5349289 Clamp-on multimeter having a display for indicating the results of a plurality of measurements
09/20/1994	US5347982 Flame monitor safeguard system
09/20/1994	CA2021924C Electrical probe
09/15/1994	WO1994020827A1 Method and apparatus for positioning and biasing an electro-optic modulator of an electro-optic imaging system
09/14/1994	EP0615133A1 State of charge indicator for a battery
09/14/1994	EP0570389B1 Method and device for contactless measurement of the voltage in an object with an insulating surface
09/14/1994	CN2177244Y Anti-theft, shock-proof alarm
09/13/1994	US5347572 Telephone line monitoring apparatus and method
09/13/1994	US5347476 Instrumentation system with multiple sensor modules
09/13/1994	US5347464 High-pass filter for enhancing the resolution of AC power line harmonic measurements
09/13/1994	US5347224 Current monitoring circuit having controlled sensitivity to temperature and supply voltage
09/13/1994	US5347174 Circuit arrangement for converting a voltage drop tapped from a test object from a predetermined input voltage range to a desired output voltage range
09/13/1994	CA2116910A1 State of charge indicator for deep-cycle applications
09/08/1994	DE4334264A1 Bit-error trigger
09/08/1994	DE4319383C1 Input circuit for a pulse counter
09/07/1994	CN2176551Y Induction tester
09/07/1994	CN2176550Y Load signalling sensor of mine electric motor
09/07/1994	CN1025892C Method for automatically testing metals to be charged or not
09/07/1994	CN1025891C Multifunction test pencil with simulated pointer liquid crystal display
09/06/1994	US5345169 Current measuring device
08/1994
08/31/1994	EP0613256A1 AD converter with modulated dither signal
08/31/1994	EP0613016A1 Voltage detection apparatus
08/30/1994	US5343135 Voltage limiting and indicating device
08/27/1994	CA2116157A1 Modulated dither signal
08/24/1994	EP0612081A1 Resistive current measuring elements and connection- and measure modules
08/24/1994	CN1091213A Arrangement of circuit for processing of analogous current and voltage signals
08/23/1994	US5341088 System for rating electric power transmission lines and equipment
08/18/1994	WO1994018754A1 Device for signal shaping and for reference mark recognition
08/18/1994	WO1994018445A1 Device and method for digitally measuring a voltage varying within a given range, and uses thereof
08/18/1994	DE4403825A1 ACVA-aquarium current-voltage alarm
08/17/1994	EP0610430A1 Analog-to-digital converter and method of fabrication
08/17/1994	CN2174709Y Screw-driver with low-voltage tester for vehicle
08/16/1994	US5339026 Fiber-optic sensor with first and second bimode fibers
08/16/1994	CA2032401C Circuit for measuring the level of an electrical signal and including offset correction means, and application thereof to amplifiers having automatic gain control
08/10/1994	CN2173959Y Digital indicating multirange electrometer
08/09/1994	US5336987 Voltage stabilizing circuit of switching power supply circuit
08/09/1994	US5336947 Discriminator device
08/09/1994	US5336945 Comparator device having maximum (minimum) value determining and selecting means for selecting received signals
08/09/1994	US5336944 Detector circuit for detecting state changes of a binary signal
08/03/1994	EP0609113A1 Device for measuring an electric DC-parameter, like a voltage
08/03/1994	EP0608855A1 Power supply voltage detecting apparatus
08/03/1994	EP0608698A1 Testing apparatus for alternatively indicating electric voltage or current passage through an electric conductor
08/03/1994	CN2173406Y Computer electricity tester
08/02/1994	US5335186 Intelligent programmable sensing
08/02/1994	US5335132 Overvoltage sensor with hysteresis

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