Patents
Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937)
11/2009
11/26/2009US20090289616 Dead-line phase identification system and method thereof
11/25/2009EP2124162A1 Radio wave propagation characteristic estimation system, its method, and program
11/25/2009EP2122373A1 Antenna adaptable to electromagnetic compatibility testing
11/25/2009CN201352237Y Electromagnetic pollution measuring device
11/25/2009CN101588401A Method for counting and calculating electromagnetic radiation quantity
11/25/2009CN100562754C Electric potential measuring device using oscillating device, image forming apparatus, and electric potential measuring method
11/25/2009CN100562753C Flame-proof type fluidized-bed electrostatic testing apparatus
11/25/2009CN100562752C Predicted method of radiation field strength mode of short wave antenna
11/24/2009US7623977 Periodic jitter (PJ) measurement methodology
11/19/2009WO2009109760A3 Lightning detection
11/19/2009US20090284426 Method and Software for Spatial Pattern Analysis
11/19/2009US20090284425 Antenna test system
11/19/2009US20090284312 Test circuit for programmable gain amplifier
11/18/2009CN201348645Y Plasma test system for glass fiber reinforced plastic vacuum container
11/18/2009CN101582683A Method and device for outputting signal and measuring dutyfactor
11/18/2009CN101581744A Device and method for detecting testing environment of circuit
11/18/2009CN101581234A Comprehensive underground test method for deformation and damage of terranes of mining top plate and mining bottom plate of coal bed
11/18/2009CN100561865C Method and apparatus for correcting the duty cycle of a digital signal
11/18/2009CN100561237C Wide-area power-angle monitoring method in electric net wide-area measuring system (WAMS)
11/17/2009US7620516 Versatile semiconductor manufacturing controller with statistically repeatable response times
11/12/2009WO2009136638A1 Method for measuring radiation power, measurement coupler for radiation power, and apparatus for measuring radiation power
11/12/2009WO2009136428A1 Digital modulated signal test equipment and test method
11/12/2009WO2009136427A1 Digital modulated signal test equipment, and digital modulator, moudlating method and semiconductor device using the same
11/12/2009WO2009136116A2 System for measuring a magnetic field and corresponding method for suppressing a magnetic field sensor shift
11/12/2009US20090281750 Method and apparatus for improving noise analysis performance
11/12/2009US20090281747 Signal measurement apparatus, signal measurement method, recording media and test apparatus
11/12/2009US20090281744 Testing devices
11/12/2009US20090278551 Capacitive sensors and methods for reducing noise therein
11/12/2009DE202009010202U1 Messvorrichtung sowie Verkaufsset nebst Handgerät zur Bestimmung der elektrischen Spannung eines strömenden Fluids Measuring device as well as sales set together with hand-held device for determining the electrical voltage of a flowing fluid
11/12/2009DE19983956B4 Insassensensor Occupant sensor
11/12/2009DE102009018992A1 Verfahren zur Bestimmung von Rauschparametern Method for the determination of noise parameters
11/11/2009CN201344956Y Variable ratio test instrument with high-low voltage reverse connection protecting function
11/11/2009CN201344955Y Portable bidirectional field strength meter
11/11/2009CN101578526A Integrated time and/or capacitance measurement system, method and apparatus
11/11/2009CN101576593A Array type inferior insulator local electric field detector and inverse diagnosis method
11/11/2009CN101576592A Artificial antenna mismatching load capable of simultaneously adjusting standing wave ratio and phase
11/11/2009CN101576591A System and method for measuring compact range antenna by three reflectors
11/11/2009CN101576590A Miniature electric field measuring apparatus
11/11/2009CN100559194C Method for detecting unwanted interface charge of mercury cadmium telluride thin film photovoltaic device
11/10/2009US7617059 Method and apparatus for measuring the duty cycle of a digital signal
11/10/2009US7616034 Circuit for controlling data output
11/10/2009US7615188 Apparatus for measuring absorbed power
11/03/2009US7612569 Oscillating device, electric potential measuring device, light deflecting device, and image forming apparatus
10/2009
10/29/2009WO2009103702A3 Device and method for determining at least one value associated with the electromagnetic radiation of an object being tested
10/29/2009US20090271135 Detecting Device for Detecting an Operating Mode of a System and Detecting Method Thereof
10/29/2009US20090271134 Methods and Apparatus for Determining a Switching History Time Constant in an Integrated Circuit Device
10/29/2009US20090267846 Electromagnetic Field Power Density Monitoring System and Methods
10/29/2009US20090267615 System and Method for Sorting Detection of Signal Egress from a Wired Communication System
10/29/2009CA2658035A1 High-isolation thermal detector
10/28/2009CN101566659A Multi-section process data acquisition system based on industrial standards
10/28/2009CN101566652A Comprehensive tester of current-voltage transformation ratio polarity
10/28/2009CN101566651A System and method for detecting static electricity
10/28/2009CN101566650A Heat loss self-compensating terminal type water load microwave high power meter
10/27/2009US7610161 Wander gamut display
10/27/2009US7609092 Automatic phase-detection circuit for clocks with known ratios
10/27/2009US7609071 Human phantom apparatus, finger phantom apparatus, and apparatus for measuring characteristic of antenna using the same phantom apparatus
10/27/2009US7609069 Method to detect shorted solenoid coils
10/27/2009CA2352133C Test chamber
10/22/2009WO2009128822A1 Relative noise of a measured signal
10/22/2009DE202009008704U1 Vorrichtung zur Bestimmung der elektrischen Ladung eines strömenden Fluids Apparatus for determining the electrical charge of a flowing fluid
10/22/2009CA2716841A1 Relative noise of a measured signal
10/21/2009EP2109775A2 Automated noise measurement system
10/21/2009EP1570257B1 System for measuring the specific absorption rate (sar) comprising a plurality of microantennas and associated ic chips in a phantom
10/21/2009CN201332426Y Cell phone for detecting electromagnetic radiation intensity
10/21/2009CN201332135Y Antenna elevating tower
10/21/2009CN201331555Y Power unit input open-phase detector of high-voltage inverter
10/21/2009CN101561481A Method for calibrating high-frequency electric field probe
10/21/2009CN100552462C Method and apparatus for measuring jitter
10/20/2009US7606675 Jitter frequency determining system
10/20/2009US7605579 Measuring and controlling current consumption and output current of charge pumps
10/15/2009US20090256548 Electronic identification device and method
10/15/2009DE102007027070B4 Elektronische Vorrichtung und Verfahren zur chipintegrierten Messung von Jitter Electronic device and method for on-chip measurement of the jitter
10/14/2009EP2109236A2 System for determining total isotropic sensitivity (TIS) using target received signal strength indicator (RSSI) value and related methods
10/14/2009CN201327513Y General-purpose electric phase detector
10/14/2009CN201327512Y Multi-port electrostatic protection monitoring device
10/14/2009CN201327511Y Electron pulse loss detector
10/14/2009CN201327507Y Electrified display
10/14/2009CN100549706C Electric potential measuring instrument and image forming apparatus
10/13/2009US7603184 Light management system having networked intelligent luminaire managers
10/08/2009WO2009122352A2 Glitch monitor and circuit
10/08/2009US20090250517 Contactless portable object capable of providing an indication on the performance of a contactless reader
10/08/2009DE102005012977B4 Verfahren und System zur Rauschmessung mit den kombinierbaren Unterverfahren Messen, Identifizieren und Beseitigen von sinusförmigen Störsignalen in einem Rauschsignal Method and system for noise measurement with the combined sub-process measuring, identification and elimination of sinusoidal interference signals in a noise signal
10/07/2009EP1471973B1 Method and apparatus for detecting static magnetic fields
10/07/2009CN201322775Y Any vector pulse stretching circuit
10/07/2009CN101552460A Indoor cable head short-circuit protection method
10/07/2009CN101551422A Air-suction type space dust-charge test device
10/07/2009CN101551421A A structure of SET collecting and detecting circuit
10/06/2009US7599809 Processor capable of alerting its life expectancy and method thereof
10/06/2009US7598748 Inverter system
10/06/2009US7598746 Surface voltmeter and surface voltage measurement method
10/06/2009US7598720 Method and system for detecting the phase of wiring of an unknown phase voltage relative to a reference phase voltage
10/01/2009WO2009119799A1 Loop element and noise analyzer
10/01/2009US20090248336 Analyzer for signal anomalies
10/01/2009US20090248335 Method and System for the Calculation of the Sensitivities of an Electrical Parameter of an Integrated Circuit
10/01/2009US20090243659 Method and device for detecting the absence of a periodic signal
10/01/2009DE19731112B4 Verfahren und Schaltungsanordnung zur Erkennung von kurzen Impulsen eines digitalen Eingangssignals Method and circuit arrangement for detecting short pulses of a digital input signal
09/2009
09/30/2009EP2027480B1 Method and apparatus for measuring the duty cycle or relative duty cycle of a digital signal
09/30/2009CN201319049Y High-tension current mutual-inductor transformation ratio tester
09/30/2009CN201319048Y Non-contact phasing tester with electrified display function
09/30/2009CN201319047Y Phase-loss monitoring circuit of three-phase power supply
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