Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
11/2007
11/01/2007US20070255527 Disposable, pre-calibrated, pre-validated sensors for use in bio-processing applications
11/01/2007US20070252604 Inspection apparatus and inspection method
10/2007
10/31/2007DE10331092B4 Anordnung zur Phasensynchronisation von mehreren zu einem Meßsystem zusammengefaßten elektronischen Meßgeräten Arrangement for phase synchronization of several combined into a measuring system electronic measuring instruments
10/31/2007DE102006020094A1 Electrical device`s e.g. loud speaker, resistance value determining arrangement, has radio module with signal generator e.g. digital signal processor, for producing alternating voltage or alternating current signal
10/31/2007DE102006019486A1 Asynchronous signal magnitudes conversion device for use in e.g. spectrum analyzer, has detectors generating respective enabling signals, where synchronous signal with highest data rate results from enabling signals
10/31/2007DE102006019467A1 Electrical network`s short-circuit detecting method for use in e.g. industry, involves determining actual values as intensity of current flowing in electrical network, and detecting short-circuit when threshold value exceeds threshold value
10/31/2007DE102006019187A1 Verfahren und Schaltungsanordnung zum Messen einer Kapazität Method and circuit for measuring a capacitance
10/31/2007DE102005061337B3 Phase-noise measuring signal`s frequency offset and/or frequency drift compensating method, involves determining frequency offset and/or drift by maximum-likelihood-estimator by minimizing error squares between phase characteristics
10/31/2007CN200968977Y Insulation testing device for cable connecting socket
10/31/2007CN200968974Y Water-based fire extinguishing device spray electrical insulating property testing device
10/31/2007CN200968973Y Electric power experiment sampling protection unit
10/31/2007CN200968970Y Solar energy static earthing alarm
10/31/2007CN101064430A Intelligent power arrester
10/31/2007CN101063697A Apparatus for measuring direct earth capacitance of conductive body and measurement method thereof
10/30/2007US7289925 Systems and methods for assessing timing of PCI signals
10/30/2007US7288947 Method for simulating resistor characteristics at high electric fields
10/30/2007US7288946 Methods and systems for detecting a capacitance using sigma-delta measurement techniques
10/30/2007US7288945 Systems and methods for detection of dielectric change in material and structure
10/30/2007US7288944 Evanescent waveguide apparatus and method for measurement of dielectric constant
10/30/2007US7288943 Electroimpedance tomograph with common-mode signal suppression
10/30/2007US7288941 Method and apparatus for measuring conductivity of powder materials using eddy currents
10/25/2007WO2007120044A1 Capacitive sensor, method for manufacturing such a sensor and mould provided with such a sensor.
10/25/2007WO2007040400A3 Method and device for the detecting of alcohol in a subject
10/25/2007US20070247174 Signal coincidence detection circuit
10/25/2007US20070247173 Resonance-induced sensitivity enhancement method for conductivity sensors
10/25/2007US20070247172 Charge transfer device and method, touch sensing device and method
10/25/2007US20070247171 One terminal capacitor interface circuit
10/25/2007US20070247169 Microwave Sensor for Measuring the Moisture of Masonry Surfaces Comprising a Microstrip Resonator Coupled with an Open Coaxial Probe
10/25/2007US20070247168 Impedance conversion circuit and intergrated circuit including thereof
10/25/2007DE102006030630B3 High frequency measuring device e.g. vector network analyzer, calibrating method, involves comparing value of scattering parameters determined for all pair wise combination with value described for calibration standard
10/24/2007EP1846774A1 Method and device for adjusting a measuring transformer reaction to a measured object
10/24/2007EP1846773A1 Determining moisture content in flastomer materials
10/24/2007EP1846772A2 Device, method and system for estimating the termination to a wired transmission-line based on determination of characteristic impedance
10/24/2007EP1846771A2 Sensor apparatus
10/24/2007EP1845847A2 Time domain inverse scattering techniques for use in microwave imaging
10/24/2007CN200965553Y Recording optical driver driven coil tester
10/24/2007CN200965552Y Universal antenna feedback line fault warning unit
10/24/2007CN101061652A Channel detecting device, and tuner testing device having the channel detecting device
10/24/2007CN101061651A Instrument for measuring characteristics of tuner
10/24/2007CN101059552A Method of screening a resistive short-circuit, system, module and recording medium for this method
10/23/2007US7287174 Input device with reduced dead band of an analog output signal
10/23/2007US7286957 Biometric quality control process
10/23/2007US7285964 Method for signal extraction in a universal sensor IC
10/23/2007US7285963 Method and system for measurement of dielectric constant of thin films using a near field microwave probe
10/23/2007US7285962 Method and apparatus for evaluating susceptibility to common mode noise in a computer system
10/23/2007US7284445 Strain waveform control apparatus, strain waveform regulating member, strain waveform control method by using strain waveform control apparatus, and strain waveform control program
10/18/2007US20070244664 Resistance calculating method
10/18/2007US20070241763 Differential Level Shifter with Automatic Error Compensation
10/18/2007US20070241762 Radiofrequency Based Sensor Arrangement and a Method
10/18/2007US20070241761 System and method for determining attenuation of electromagnetic waves impacting an electromagnetic shield
10/18/2007US20070241759 Method for measuring stability margin at a node of a polyphase power grid
10/18/2007DE202006019978U1 Hochfrequenzreflektometer Hochfrequenzreflektometer
10/18/2007DE102007017543A1 Earth fault distance locating method for earth fault-compensated, operated three-phase-electrical power network, involves calculating distance to earth fault based on phase voltage under consideration of earth impedance
10/18/2007DE102006021444A1 Einrichtung, Schaltungsanordnung und Verfahren zur Isolations- und Erdschlussüberwachung in einem IT-System Device, circuitry and method for isolation and Ground fault in an IT system
10/18/2007DE10116530B4 Einrichtung und Verfahren zum Nachweis von Gasen Means and method for the detection of gases
10/17/2007EP1844708A2 Electric field control device and detection device
10/17/2007CN101055301A Neutral point grounding resistor monitoring device
10/17/2007CN101055300A Resistance measuring method
10/16/2007US7283919 Determining the quality and reliability of a component by monitoring dynamic variables
10/16/2007US7283039 Window-attached alerting device
10/16/2007US7282929 Apparatus for current sensing
10/16/2007US7282928 Corrosion measurement field device with improved LPF, HDA, and ECN capability
10/16/2007US7282927 Use of a configurable electronic controller for capacitance measurements and cable break detection
10/16/2007US7282926 Method and an apparatus for characterizing a high-frequency device-under-test in a large signal impedance tuning environment
10/11/2007WO2007062221A3 Systems and methods for testing conductive members employing electromagnetic back scattering
10/11/2007US20070236231 Capacitive physical quantity sensor and diagnosis method
10/11/2007US20070236230 Vector network analysis system and method using offset stimulus signals
10/11/2007US20070236229 Specific absorption rate measuring system, and a method thereof
10/11/2007DE102006014623A1 Automatic person recognizing method involves initializing electrical near-field in volume area which is entered by person through capacitance
10/11/2007DE10133466B4 Schichtverbund und mikromechanisches Sensorelement, insbesondere Gassensorelement, mit diesem Schichtverbund Layer composite and micromechanical sensor element, in particular gas sensor element with this layer composite
10/10/2007CN200959027Y Power-supply electromotive-force and internal-resistance measuring equipment
10/09/2007US7281181 Systems, methods and computer programs for calibrating an automated circuit test system
10/09/2007US7280792 Method for evaluating changes in resistance of electric resistance member and image forming apparatus using same
10/09/2007US7280227 Device, method and system for measuring the distribution of selected properties in a material
10/09/2007US7280012 Multi-probes as single RF tuning element for RF slide-screw tuners
10/09/2007US7279909 Signal coincidence detection circuit
10/09/2007US7279908 Dynamically switched line and fault detection for differential signaling systems
10/09/2007US7279907 Method of testing for power and ground continuity of a semiconductor device
10/09/2007US7279906 Sensor-emulator evaluation module and method
10/09/2007US7279904 Input device
10/09/2007US7278289 Apparatus and methods for testing acoustic systems
10/04/2007WO2007110970A1 Method for calculating interface resistance
10/04/2007WO2007109964A1 A sample channel signal calibrating method for impedance testing and an impedance testing method
10/04/2007WO2007022355A3 Weatherstrip incorporating pinch sensor, new pinch sensors, and associated methods
10/04/2007WO2005109011A3 Integrated acceptance testing
10/04/2007US20070233509 Testing method and system
10/04/2007US20070233410 Method to verify the outcome of calibration with a network analyzer
10/04/2007US20070233407 Magnetic sensing system and method
10/04/2007US20070233406 System, method, and article of manufacture for determining parameter values associated with an electrical grid
10/04/2007US20070230535 Thermal cycler for PCR
10/04/2007US20070229095 Method and apparatus for corrosion detection
10/04/2007US20070229093 Bi-Directional Three-Dimensional Microwave Scanning and Volumetric Mapping of a Whole Roll or Pallet of Paper
10/04/2007US20070229055 Digital oscilloscope and method for displaying signal
10/04/2007US20070227253 Capacitance sensing circuit
10/04/2007DE202007010784U1 Kontaktloses Messsystem Contact measuring system
10/04/2007DE102007016372A1 Electronic circuit`s impedance measuring method for e.g. MOSFET, involves determining error curve for value corresponding to error value and calculating impedance to be estimated for different values of measuring frequency of error value
10/03/2007EP1840583A1 Electronic device measuring method and electronic device measuring apparatus
10/03/2007CN200956044Y DVD pick-up servo coil measuring device
10/03/2007CN200956016Y Microwave ceramic material rapid detection clamp
10/03/2007CN101047316A System, method, and article of manufacture for determining parameter values associated with an electrical grid
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