Patents
Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937)
07/2001
07/04/2001EP1112503A1 Accumulated phase measurement using open-loop phase estimation
07/03/2001US6255859 High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
07/03/2001US6255830 Method of testing shielding effectiveness and electromagnetic field generator for use in testing shielding effectiveness
06/2001
06/28/2001WO2001046705A1 Device for measuring an electromagnetic field with any polarisation
06/28/2001US20010005898 Timing verifying system in which waveform slew is considered
06/27/2001EP1110095A1 Method and apparatus for electromagnetic emissions testing
06/27/2001CN1300946A Method for monitoring phase faults and electric appliances equipped therewith
06/26/2001US6252428 Method and apparatus for detecting a sinusoidal signal
06/26/2001US6252388 Method and apparatus for measuring voltage using electric field sensors
06/19/2001US6249248 Radio wave visualizing method and apparatus
06/19/2001US6249006 Electromagnetic field shielding device
06/14/2001US20010003424 Capacitive voltage divider for measuring high voltage pulses with millisecond pulse duration
06/14/2001US20010003370 High-frequency detecting elements and high-frequency heater using the same
06/13/2001EP1107463A2 Apparatus and method for controlling radiation of electric waves
06/13/2001EP1107010A2 Phase loss monitoring
06/13/2001DE19958369A1 Phasenausfall-Überwachung Phase failure monitoring
06/12/2001US6246737 Apparatus for measuring intervals between signal edges
06/12/2001US6246367 Lightning locating system
06/12/2001US6246261 Circuit for detecting the disappearing of a periodic signal
06/12/2001US6246224 Apparatus for detecting presence of piezoelectric material
06/12/2001US6246044 Switched electrical pulse propagation sampler
06/07/2001WO2001040814A1 Time domain reflectometer display method
06/07/2001WO2000034796A8 Scanning single electron transistor microscope for imaging ambient temperature objects
06/07/2001US20010002821 Apparatus and method for controlling radiation of electric waves
06/05/2001US6243042 Optoelectronic system for the testing of an antenna
06/05/2001US6242911 Field sensor and device and process for measuring electric and/or magnetic fields
05/2001
05/31/2001WO2001038888A1 Apparatus and method for measuring jitter, and tester for semiconductor integrated circuit equipped with the apparatus for measuring jitter
05/30/2001EP1103827A1 Method for determining a geo-pathogenic area from anomalies in the earth's electrostatic field in residential areas
05/24/2001US20010001850 Digital storage oscilloscope with simultaneous primary measurement and derived parameter display on common time axis and method therefor
05/23/2001EP0852729B1 Antenna pattern measurement method
05/23/2001CN2431571Y Improved structure for electromagnetic wave radiation monitor
05/23/2001CN2431570Y Portable self-tuning distortion degree measurer
05/22/2001US6236362 Mitigation of antenna test range impairments caused by presence of undesirable emitters
05/22/2001US6236276 Method for seeking and setting a resonant frequency and tuner operating according to the method
05/22/2001US6236218 Method and a device for space-charge measurement in cables using a pulsed electroacoustic method
05/17/2001DE19948384A1 Anordnung zum Bestimmen der komplexen Übertragungsfunktion eines Messgerätes Arrangement for determining the complex transfer function of a measuring instrument
05/16/2001EP0664460B1 Electric field sensor
05/15/2001US6232881 Hand held electromagnetic field detector
05/15/2001US6230415 Electric compass
05/10/2001WO2001033234A1 Detector for high intensity electrical currents
05/09/2001EP1097521A1 Network amplifier monitoring circuit
05/09/2001EP1097385A1 Capacitative voltage divider for measuring high voltage pulses with a millisecond pulse duration
05/09/2001EP1032828A4 Electrostatic force detector with cantilever for an electrostatic force microscope
05/09/2001CN2429839Y Differential capacitor electric field instrument without movable parts
05/08/2001US6229316 Measuring method by spectrum analyzer
05/03/2001WO2001031775A1 Apparatus for measuring intervals between signal edges
05/03/2001WO2001031353A1 Field test chamber arrangement
05/03/2001WO2001031349A1 Electromagnetic wave sensor
05/03/2001US20010000651 Contactless total charge measurement with corona
05/02/2001EP1096263A2 Jitter detector, phase difference detector and jitter detecting method
05/02/2001EP1095284A2 Circuit for determining the time difference between two edges of a first and of a second digital signal
05/01/2001US6226599 Electromagnetic wave analyzer apparatus
05/01/2001US6225809 Static electricity measuring system
05/01/2001CA2160655C Data collection and processing for digital ac power system monitor/analyzer
04/2001
04/26/2001DE10039611A1 Calculation of electromagnetic field intensity around an electronic device using a mesh or matrix processor that divides input data into pieces that can be quickly operated on in electromagnetic field calculation procedure
04/26/2001DE10038919A1 Verfahren zur Polarisationsbehandlung eines piezoelektrischen Körpers A process for the polarization treatment of a piezoelectric body
04/25/2001EP1094322A1 Apparatus for measuring the intensity of weak electromagnetic radiation, plasma fields, ion fields, photon fields and/or electrosmog
04/25/2001CN1292876A Simultaneous display of primary measurement values and derived parameters
04/24/2001US6220084 Detecting fields with a single-pass, dual-amplitude-mode scanning force microscope
04/17/2001US6219629 Apparatus for combined simulation of electromagnetic wave analysis and circuit analysis, and computer-readable medium containing simulation program therefor
04/17/2001US6219543 Energy detection device
04/12/2001WO2001025811A1 Arrangement for determining the complex transmission function of a measuring device
04/12/2001DE10022507A1 Simulation von elektromagnetischer Feldstärke in einem Objekt, das darauf ein Muster hat Simulation of electromagnetic field strength in an object that has a pattern on it,
04/10/2001US6215294 Storm warning method and apparatus
04/04/2001CN1289929A Photoelectric sensor
03/2001
03/29/2001DE19931252C1 Schaltungsanordnung und Verfahren zur Prüfung eines Rundfunkempfangssystems Circuit arrangement and method for testing a radio receiver system
03/28/2001CN1289410A Method and apparatus for jitter analysis
03/27/2001US6208153 System for fast piezoelectric-resonator parameter measurements
03/22/2001WO2001020353A1 Method for measuring and determining electromagnetic radiation
03/21/2001EP1085330A1 Arrangement for detection of switched-on mobile telephones in the passenger compartment of aircrafts
03/14/2001EP1083502A1 Noise checking method and device
03/14/2001CN1287696A 天线适配器 Antenna adapter
03/13/2001US6201401 Method for measuring the electrical potential in a semiconductor element
02/2001
02/28/2001EP1079233A1 Method and device for measuring an antenna impedance
02/28/2001CN1285915A Electrostatic force detector with cantilever for an electrostatic force microscpoe
02/27/2001US6195617 Digital storage oscilloscope with simultaneous primary measurement and derived parameter display on common time axis and method therefor
02/27/2001US6194925 Time interval measurement system incorporating a linear ramp generation circuit
02/27/2001US6193334 Thermal control apparatus for two-axis measurement system
02/22/2001WO2001013143A1 Locating device and method
02/22/2001WO2001013132A1 Fault location device and method
02/21/2001CN1284753A Method for polarized treatment of piezoelectrics
02/20/2001US6191744 Probe movement system for spherical near-field antenna testing
02/20/2001US6191695 Gas station with electromagnetic-wave sensor
02/20/2001US6191605 Contactless method for measuring total charge of an insulating layer on a substrate using corona charge
02/20/2001US6191571 Measuring method by spectrum analyzer
02/20/2001CA2113850C Microwave oven leakage checker
02/15/2001DE19655110C2 Delay time measuring method for generating random pulse sequence
02/13/2001US6188226 Electric potential sensor
02/13/2001US6187609 Compact sensing apparatus having reduced cross section and methods of mounting
02/08/2001WO2001010004A1 Double power supply for electricity meter
02/08/2001WO2001009777A1 Method for verifying the electromagnetic compatibility of lines in a cable bundle
02/08/2001WO2001009626A1 Method and device for near-field measuring of non-controlled radiation
02/06/2001US6185517 Electromagnetic field intensity computing device
02/06/2001US6185510 PLL jitter measuring method and integrated circuit therewith
02/06/2001US6185509 Analysis of noise in repetitive waveforms
02/06/2001US6184693 Electromagnetic noise measurement apparatus
02/01/2001DE19935423A1 Verfahren zur Prüfung der elektromagnetischen Verträglichkeit von Leitungen eines Kabelbündels Method for testing the electromagnetic compatibility of lines of a cable bundle
01/2001
01/31/2001EP1072897A2 Method and apparatus for searching electromagnetic disturbing source and noncontact voltage probe therefor
01/30/2001US6182023 Electromagnetic field intensity computing device
01/30/2001US6181745 Process for monitoring the quantization quality in digital radio or television transmission systems
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