Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › 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)
12/1996
12/11/1996CN2242462Y induction type sound-light test pencil
12/11/1996CN2242461Y Liquid crystal test pencil
12/10/1996US5583501 Digital-to-analog converter with digital linearity correction
12/10/1996US5583446 For measuring high speed signals with a low speed measurement instrument
12/10/1996US5583444 Voltage detection apparatus
12/10/1996US5583442 Differential voltage monitor using a bridge circuit with resistors on and off of an integrated circuit
12/10/1996US5583427 Tomographic determination of the power distribution in electron beams
12/05/1996WO1996038897A1 Revenue accuracy meter having power quality measurement and method of measuring power quality
12/05/1996WO1996038735A1 Fibre optic transducer
12/05/1996CA2222766A1 Fibre optic transducer
12/04/1996EP0745860A2 Process for reducing drift in protection systems
12/04/1996EP0745245A1 Fast responding method and apparatus for three phase a/c voltage sensing
12/04/1996EP0581936B1 A modulator circuit
12/03/1996US5581452 Pulse width modulation inverter current detection method
11/1996
11/27/1996EP0744725A1 Input circuit for the acquisition, evaluation or processing of a sensor signal
11/27/1996EP0744624A2 Winner-take-all circuit
11/27/1996EP0744032A1 Current comparator arrangement
11/27/1996CN1136714A Lateral Hall device
11/26/1996US5579247 Method and apparatus for decreasing the interference and noise sensitivity of a ratiometric converter type of circuit
11/26/1996US5579236 Voltage/current measuring unit and method
11/26/1996US5578935 Undersampling digitizer with a sampling circuit positioned on an integrated circuit
11/26/1996US5578928 Method for detecting zero crossings in a rectified power signal
11/26/1996US5578917 Repetitive digital sampling circuit using two delay lines for improved time accuracy
11/21/1996DE19517085A1 Impulse detector for nuclear physics applications
11/20/1996EP0743752A1 Charging of a bootstrap capacitance through an LDMOS transistor
11/20/1996EP0743529A1 Method and corresponding circuit for detecting an openload
11/20/1996CN2240731Y High-voltage display device
11/19/1996US5576618 Process and apparatus for comparing in real time phase differences between phasors
11/13/1996EP0742445A2 Method and apparatus for measuring the change in capacitance values in dual capacitors
11/13/1996EP0741871A1 Method of measuring current in a conductor in an ac transmission network
11/12/1996US5574654 Electrical parameter analyzer
11/12/1996US5574380 Current measurement circuit comprising a mutually coupled transformer and an integration circuit
11/12/1996US5574303 Semiconductor voltage sensing device
11/06/1996EP0741350A2 Switch capacitor interface circuit
11/06/1996EP0740860A1 High speed overvoltage detection and protection circuit
11/05/1996US5572164 FM demodulator with threshold extension and receiver comprising such an FM demodulator
11/05/1996US5572153 Low offset comparators based on current copiers
11/05/1996US5572147 Power supply voltage detector
11/05/1996US5572143 Circuit testing device
11/05/1996US5572118 Charge rate electrometer including means for substantially eliminating leakage currents
11/05/1996US5572116 Surge counter
10/1996
10/31/1996DE19616212A1 Test probe station appts. for low noise measurement of wafer formed electronic device
10/30/1996EP0740417A2 Input circuit and semiconductor integrated circuit device including same
10/30/1996EP0740073A1 Circuit for detecting an overvoltage on an electric load
10/30/1996EP0739489A1 Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter
10/29/1996US5570259 Circuit arrangement for controlling a load and for recognizing a line interruption
10/29/1996US5570255 Overcurrent preventing circuit
10/29/1996US5570175 Method for determination of degree of molecular dissociation in plasma using combined electrostatic measurement and emission spectroscopy
10/29/1996US5569233 Multi-layer female component for refastenable fastening device and method of making the same
10/24/1996WO1996033418A1 Rectifier circuit
10/24/1996DE19524185A1 Gleichrichterschaltung Rectifier circuit
10/23/1996EP0739092A1 Voltage comparator requiring no compensating offset voltage
10/22/1996US5568074 Voltage monitoring circuit
10/22/1996US5568059 Current sensor and motor rotation sensor using such current sensor
10/22/1996US5568047 Current sensor and method using differentially generated feedback
10/22/1996CA2172568A1 Voltage comparator requiring no compensating offset voltage
10/16/1996EP0738041A1 Electronic circuit comprising a comparator
10/16/1996CN1133439A Monitoring and measuring system for transient parameter of multiplex high power discharge pulse
10/15/1996US5565800 Comparator circuit and method of controlling comparator circuit
10/10/1996WO1996031931A1 A.c. power cut-off device
10/10/1996DE19513280A1 Manual pliers with current or voltage detection device
10/10/1996CA2217604A1 A.c. power cut-off device
10/08/1996US5563893 System for determining the loss of an incoming digital signal
10/08/1996US5563541 Load current detection circuit
10/08/1996US5563534 Hysteresis comparator circuit for operation with a low voltage power supply
10/02/1996EP0735600A2 Lateral hall element
10/02/1996EP0735373A1 Method and apparatus for measuring a transfer impedance of shielded devices and common mode currents in shieldings
10/02/1996EP0734217A1 Improved carpet cleaning machine with convertible-use feature
10/02/1996CN2236661Y Multifunctional electric measuring meter with sound and light indicators
10/02/1996CN2236660Y Tester for polarity of secondary battery and circuits of vehicles
10/01/1996US5561383 Switchable peak/average detect circuit
10/01/1996US5561376 Impedance measurement in a high-voltage power system
10/01/1996US5561366 Current sensor system and detection method comprising magetoresistance element, biasing conductor and current measurement conductor on insulating substrate
09/1996
09/25/1996EP0733959A1 Circuit for generating a reference voltage and detecting an undervoltage of a supply voltage and corresponding method
09/25/1996EP0733908A2 Polarity display device
09/25/1996CN2236135Y Fault detector for charge system of automobile
09/24/1996US5559500 Overcurrent sense circuit
09/24/1996US5559442 Process and sensor for measuring electric voltages and/or electric field intensities
09/24/1996US5559439 Method and device for measuring the compensation tuning and detuning of an electrical distribution network
09/18/1996EP0732003A1 Fm demodulator with threshold extension and receiver comprising such an fm demodulator
09/18/1996EP0731921A1 Extreme level circuit
09/17/1996US5557220 Polarity detector
09/17/1996US5557198 Onboard digital locomotive multimeter
09/12/1996DE19547328C1 Method of measuring reception level of signals inside at least one time slot, e.g. for mobile phone
09/12/1996DE19508092A1 Asynchronous sampling and real=time processing of measurement signals for determination of rms values
09/11/1996EP0731359A2 Graphical display for an energy management device
09/11/1996EP0731356A1 Circuit for evaluating the signals of inductive sensors in vehicles
09/10/1996US5555165 Current detection in power conversion
09/10/1996US5554952 Fast responding method and apparatus for three phase A/C voltage sensing
09/10/1996US5554927 Electrical quantity measurement device
09/10/1996US5554926 Modified Faraday cup
09/10/1996US5554173 Defibrillator charge tester
09/04/1996EP0730158A1 Low offset comparator with time-shared input and current memory cell
09/04/1996EP0729586A1 Peak magnetic field detector with non-volatile storage
09/04/1996EP0683856B1 Device and method for digitally measuring a voltage varying within a given range, and uses thereof
09/04/1996CN2234622Y Digital circuit device for measuring nonlinear electricity
09/03/1996US5553116 Telephone line monitoring apparatus and method
09/03/1996US5552979 Isolated current sensor for DC to high frequency applications
09/03/1996US5552716 Method of positioning an electrooptic probe of an apparatus for the measurement of voltage
09/03/1996US5552702 Method and apparatus for detecting digital carrier signals on telephone cables
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