Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
04/2008
04/16/2008EP1629388A4 A network analyzing method and a network analyzing apparatus
04/16/2008CN101164129A Solid electrolytic capacitor inspection device and inspection method
04/16/2008CN101162246A Crosslinking polyethylene-insulated cable insulation diagnostic apparatus
04/16/2008CN101162244A Train insulating resistance testing recorder and testing method
04/16/2008CN100381827C Method and structure for measuring glass baseplate and driving IC flowing rate
04/15/2008US7359814 Multi-port analysis apparatus and method and calibration method thereof
04/15/2008US7358748 Methods and systems for determining a property of an insulating film
04/15/2008US7358747 Rotary potentiometer with selectable operating section
04/15/2008US7358746 Method and measuring appliance for locating enclosed objects
04/15/2008US7358742 DC & AC coupled E-field sensor
04/15/2008US7358741 Electrostatic detection apparatus and method, and coordinate detection program
04/10/2008WO2008024530A3 Capacitance measurement device
04/10/2008US20080084222 Light source current sensing circuit and driving circuit in a display device
04/10/2008US20080084221 Insulation barrier for unshielded wire
04/10/2008US20080084220 Measuring Apparatus and Method for Recognizing Foreign Bodies in a Product, Particularly Tobacco, Cotton or Another Fibrous Product
04/10/2008US20080084219 Impedance Measurement Using Line-to-Line Current Injection
04/10/2008US20080084218 System and Method for Information Handling System Peripheral EMC Test
04/10/2008DE19948384B4 Anordnung zum Bestimmen der komplexen Übertragungsfunktion eines Messgerätes Arrangement for determining the complex transfer function of a measuring instrument
04/09/2008CN201045624Y Resistor detection circuit for automobile instrument
04/09/2008CN101158712A Measurement mechanism and measurement method of ferroelectric materials electric hysteresis loop wire
04/09/2008CN101158709A Accumulator cell real time on-line nondestructive accurate measurement method
04/09/2008CN101158702A Dielectric materials high-temperature complex dielectric constant measurement method based on terminal short circuit method
04/09/2008CN101158701A High voltage system electric voltage and insulaiton measurement circuit
04/08/2008US7356433 Apparatus of automatically detecting type of cable connected to network and method thereof
04/08/2008US7356432 System test management system with automatic test selection
04/08/2008US7355416 Measurement of cable quality by power over ethernet
04/08/2008US7355415 Method for on-line monitoring of condition of non-aqueous fluids
04/08/2008US7355414 Test apparatus with low-reflection signal distribution
04/08/2008US7355413 Testing method/arrangement measuring electromagnetic interference of noise in a to-be-tested printed circuit board
04/03/2008WO2008039878A2 Magnetic sensing system and method
04/03/2008US20080079446 Apparatus, system and method for identification with temperature dependent resistive device
04/03/2008US20080079445 System for clearance measurement and method of operating the same
04/03/2008US20080079444 Capacitive interface circuit for low power sensor system
04/03/2008US20080079443 Electromagnetic field intensity calculating method and apparatus
04/03/2008US20080079442 Quantum tunneling biometric identification methods and apparatuses
04/03/2008US20080079433 Broadband Resistivity Interpretation
04/03/2008DE10131581B4 Verfahren und Vorrichtung zur Erzeugung und Überprüfung von Verbundanordnungen Method and apparatus for generating and testing of composite assemblies
04/02/2008EP1906525A1 Matching network characterization using variable impedance analysis
04/02/2008EP1904860A1 An apparatus, a system and a method for enabling an impedance measurement
04/02/2008EP1629228A4 Systems and methods for non-destructively testing conductive members employing electromagnetic back scattering
04/02/2008CN100378463C Wave detection device and method
04/01/2008US7352194 Method for determining the thickness of a coating on a composite material
04/01/2008US7352193 Voltage-impressed current measuring apparatus and current buffers with switches used therefor
04/01/2008US7352192 Method and relative test structure for measuring the coupling capacitance between two interconnect lines
04/01/2008US7352191 Sensor assembly and method of forming the same
04/01/2008US7352166 Resistance ratio digitizing ohmmeter system
04/01/2008CA2419678C Image acquisition apparatus
03/2008
03/27/2008WO2008034653A1 Method and arrangements for establishing an unauthorized manipulation of an electrical device
03/27/2008WO2007149549A3 Configurable electronic controller for capacitance measurements
03/27/2008WO2007137284A3 Probe needle protection method for high current probe testing of power devices
03/27/2008US20080074124 Method and Arrangement for the Detection of a Coil
03/27/2008US20080074123 Electromagnetic shielding defect monitoring system and method for using the same
03/27/2008US20080074122 Line analyzer with automatic pair combination sequencing
03/27/2008US20080072691 Method and System for Generating Control Signals for Controlling a Controllable Device
03/27/2008DE112006001115T5 Dynamische Messung der Impedanz von Ultrahochfrequenz-Komponenten Dynamic measurement of the impedance of the ultra high frequency components
03/27/2008DE102006045737A1 Schaltungsanordnung zum Bestimmen einer Kapazität eines kapazitiven Sensorelements Circuitry for determining a capacity of a capacitive sensor element
03/27/2008DE102006044328A1 Verfahren und Anordnung zum Feststellen einer unbefugten Manipulation einer elektrischen Einrichtung Method and apparatus for detecting an unauthorized manipulation of electrical equipment
03/27/2008DE102006041824A1 Vorrichtung und Verfahren für Analyse von Signalverläufen unter Verwendung von Masken Apparatus and method for analysis of waveforms using masks
03/26/2008EP1903341A1 Connector for measuring electrical resistance, and apparatus and method for measuring electrical resistance of circuit board
03/26/2008CN201041575Y A testing circuit for PCB board tester
03/26/2008CN101151542A Method of detecting RF power delivered to a load and complex impedance of the load
03/26/2008CN101151525A Method and device for measuring the condition of steel structures
03/26/2008CN101149416A Power cable insulation state monitoring and life span management system
03/26/2008CN101149408A T-shaped transmission line zero-sequence resistance parameter live line measurement method and device
03/26/2008CN101149407A Method and device for power frequency inference source live line measurement for mutual inductance line zero-sequence impedance parameter
03/26/2008CN101149406A Device for measuring conductive composite material resistance
03/26/2008CN101149405A AC spot-welding dynamic electric resistance real-time measuring device and method
03/25/2008US7349746 System and method for abnormal event detection in the operation of continuous industrial processes
03/25/2008US7348784 Error factor acquisition device, method, program, and recording medium
03/25/2008US7347974 Materials, method and apparatus for detection and monitoring of chemical species
03/20/2008WO2008031914A1 Measuring head and measuring method
03/20/2008WO2008031152A1 Soil moisture sensor with data transmitter
03/20/2008US20080071513 Test generation for low power circuits
03/20/2008US20080068256 Stepped Frequency Radar
03/20/2008US20080068032 Electrical junction box
03/20/2008US20080068031 Micromechanical Microwave Power Meter
03/20/2008US20080068030 Successive approximate capacitance measurement circuit
03/20/2008US20080068029 Capacitance measuring apparatus and capacitance measuring method
03/20/2008US20080068028 Arrangement for Determining the Distance, Capacitive Distance Sensor and Method for Automatically Focussing a Microscope
03/20/2008CA2662742A1 Measuring head and measuring method
03/19/2008EP1899716A1 Soil moisture sensor
03/19/2008CN201039402Y Power supply and detection device for antenna feeder system
03/19/2008CN201038754Y Distribution network neutral point earthing resistance measuring and control device
03/19/2008CN201037854Y Portable orbit electric potential and orbit seaming resistance measuring device
03/19/2008CN201037853Y Detecting structure for resistance winding machine
03/19/2008CN101147072A Resonator, printed board, and method for measuring complex dielectric constant
03/19/2008CN101146314A A standing wave ration detection device and method for time division duplex communication system
03/19/2008CN101144843A On-line automatic test device for matrix array type signal sampling and method
03/18/2008US7346825 Error method, system and medium
03/18/2008US7345538 Measuring circuit for the output of a power amplifier and a power amplifier comprising the measuring circuit
03/18/2008US7345491 Clothes dryer moisture sensing circuit
03/18/2008US7345490 Filter calibration
03/18/2008US7345428 Transducer package for process control
03/13/2008WO2008029025A1 Method and device for measuring a multiple-phase fluid flowing through a pipe
03/13/2008US20080061804 High-conductivity contacting-type conductivity measurement
03/13/2008US20080061803 Method and apparatus for making a determination relating to resistance of probes
03/13/2008US20080061802 Method and apparatus for controlling the sensitivity and value of a capacitive humidity sensor
03/13/2008US20080061801 Measuring chip-to-chip capacitance differentials by demodulating signals over a capacitance bridge
03/13/2008US20080061800 Methods and systems for sigma delta capacitance measuring using shared component
03/13/2008US20080061799 Capacitive pressure sensor and method for fabricating the same