Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups
Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937)
11/2005
11/02/2005CN2738260Y Atmospheric electric field measurement control instrument
11/01/2005US6961662 Systems and methods for spectral corrected lightning detection
10/2005
10/27/2005US20050240367 Method of mapping linearly spaced spectrum points to logarithmically spaced frequency and a measuring apparatus using the method
10/27/2005US20050238094 Method and an apparatus for measuring phase noise
10/26/2005EP1588175A1 Device for sensing rf field
10/26/2005CN1688889A Pulse width measuring apparatus with auto-range setting function
10/26/2005CN1225055C Reverberation chamber tuner and shaft with electromagnetic radiation leakage device
10/25/2005US6959250 Method of analyzing electromagnetic interference
10/20/2005WO2005043180A3 Wave detection methods and apparatus
10/20/2005US20050234668 Transition-density based time measurement method
10/20/2005US20050231040 Radiation information management device and communication device
10/19/2005EP0812425B1 Process and machine for signal waveform analysis
10/19/2005CN2735355Y Virtual RF switch
10/19/2005CN2735354Y 测试卡 Test Card
10/19/2005CN1684821A Tube bonder
10/19/2005CN1684736A Method of treating disorders by altering ion flux across cell membranes with electric fields
10/19/2005CN1223828C Parallel vibration pattern mini type electric field sensor
10/18/2005CA2341513C Millimeter wave and far-infrared detector
10/13/2005WO2005096007A1 Magnetic field sensor
10/13/2005WO2005096002A1 Radiation information management device and communication device
10/13/2005WO2005095944A1 Device and method for controlling the health of a structural element area and a structure adapted for controlling health of a structural element area od said structure
10/13/2005US20050225314 Method of measuring duty cycle
10/13/2005DE102004008994A1 Error diagnosis process in high voltage networks determines error affected phase then earths a non affected phase and finds distance to the fault by impedance measurement
10/13/2005CA2561413A1 Device and method for controlling the health of a structural element area and a structure adapted for controlling health of a structural element area od said structure
10/12/2005EP1140576B1 Occupant detection system
10/12/2005CN1680819A Testing plan of product on-line noise and method of constructing equivalent testing relation by related international requirement
10/06/2005WO2005093440A1 Detection of lightning
10/06/2005WO2005093439A2 Lightning detection
10/06/2005WO2005072071A3 Signal detector
10/06/2005WO2005072070A3 Signal detector
10/06/2005WO2002082655A3 Apparatus and method for measuring cross-correlation coefficient between signals
10/06/2005US20050222798 Method and apparatus for creating performance limits from parametric measurements
10/06/2005US20050218908 Method to include delta-i noise on chip using lossy transmission line representation for the power mesh
10/06/2005US20050218881 Jitter measuring apparatus and a testing apparatus
10/06/2005DE102004061510A1 Jitter testing device for electronic device e.g. deserializer, has determination unit that determines whether electronic device is defective, by detecting bit error in output signal from electronic device
10/05/2005EP1582882A2 Method of measuring duty cycle
10/05/2005EP1581816A1 Measuring method for deciding direction to a flickering source
10/05/2005CN1677639A Method of measuring duty cycle
10/04/2005US6952373 Semiconductor device having PLL-circuit
10/04/2005US6952107 Optical electric field or voltage sensing system
09/2005
09/29/2005WO2005091001A1 Arrangement for testing the service condition of receiver or transmitter devices with a useful antenna
09/29/2005US20050215268 Method and apparatus for detecting received radiation power
09/29/2005US20050214007 Image forming apparatus
09/29/2005US20050212528 Power supply noise measuring device
09/28/2005EP1580566A1 Radio frequency anechoic chamber with improved test stand
09/28/2005EP1580565A2 Flexible test cable
09/28/2005EP1579983A1 Tube bonder
09/28/2005EP1579608A2 Method, computer program, and system for intrinsic timescale decomposition, filtering, and automated analysis of signals of arbitrary origin or timescale
09/28/2005EP1579228A1 A method and apparatus for inspection of high frequency and microwave hybrid circuits and printed circuit boards
09/28/2005EP0917765B1 Swept frequency device test
09/28/2005CN2729737Y Digital synchronizer
09/28/2005CN1675558A A method for determining field radiation levels for a radiating device
09/28/2005CN1673759A Flexible test cable
09/28/2005CN1673758A Method and apparatus for detecting received radiation power
09/27/2005US6949934 Fault-annuciating system for a transformer
09/22/2005US20050207523 Jitter detection circuit
09/22/2005US20050207522 Phase locked loop and method for evaluating a jitter of a phase locked loop
09/22/2005US20050206570 Method and apparatus for testing rf modules
09/22/2005US20050206550 Radio frequency anechoic chamber with improved test stand
09/21/2005CN1220065C Vibrative micro electric field sensor
09/20/2005US6946827 Optical electric field or voltage sensing system
09/15/2005US20050201130 Compensation method for a voltage unbalance
09/14/2005EP1573344A1 Method and arrangement for testing a radio device
09/14/2005CN2725904Y Clock detector
09/14/2005CN1668930A Apparatus for and method of measuring local specific absorption range SAR
09/13/2005US6944565 Signal analysis instrument, and a module for a signal analysis instrument
09/13/2005US6944560 Method for eliminating noise signals in radio signal receiving devices
09/13/2005US6943739 Method and apparatus for testing RF modules
09/13/2005US6943568 Charging voltage measuring device for substrate and ion beam irradiating device
09/09/2005WO2005083834A1 Gsm radiated sensitivity measurement technique
09/09/2005WO2005083626A2 Magnetostrictive sensor for measuring distances
09/08/2005US20050197776 Lightning detection
09/08/2005US20050197070 Detection of lightning
09/08/2005DE10393446T5 Jittermessgerät und Testgerät Jitter measuring and testing equipment
09/08/2005DE102004007648B3 Phase control circuit for oscillator, with provision for jitter measurement, compares pulse width of output from phase detector with pulse width of output from pulse generator circuit
09/07/2005EP1571455A2 Power supply noise measuring device
09/07/2005EP1570278A1 Synthetic rf detection system and method
09/07/2005EP1570257A1 Sar measurement system and method of operating the same
09/07/2005EP1171961A4 Jitter measurement system and method
09/07/2005CN1666108A Electromagnetic irradiation distribution measurement device
09/07/2005CN1664592A Multiple factor combination effect analog experiment apparatus for static electricity dynamic potentials
09/06/2005US6940925 Receiver
09/06/2005US6940264 Near field probe
09/01/2005US20050190815 Radio-thermometer system and method for measuring electromagnetic energy radiated from an interior of a human body using the same
09/01/2005US20050190358 Magnetic field measuring apparatus capable of measuring at high spatial resolution
09/01/2005CA2498545A1 Power supply noise measuring device
08/2005
08/31/2005CN1663150A Low power interference signal code power (ISCP) measurement
08/31/2005CN1661380A System and method for detecting static electricity
08/31/2005CN1217199C Low-cost power measuring apparatus for multiple electric motor
08/30/2005US6937906 Method and apparatus for detecting static magnetic fields
08/30/2005US6937106 Built-in jitter measurement circuit for voltage controlled oscillator and phase locked loop
08/30/2005US6937034 Absolute value calculating element for converting AC signals into DC signals
08/30/2005US6937025 Method and circuit employing current sensing to read a sensor
08/25/2005US20050187723 Electric/magnetic field analysis method using finite difference time domain, material descriptive method in electric/magnetic analysis, electric/magnetic analysis device, analysis data generation device and storage medium
08/25/2005US20050185708 Apparatus for measuring jitter, method of measuring jitter and computer-readable medium storing a program thereof
08/25/2005DE102004001692A1 Prüfverfahren und Prüfeinrichtung für einen Piezoaktor Test methods and testing device for a piezoelectric actuator
08/24/2005EP1532459A4 A method for determining field radiation levels for a radiating device
08/23/2005US6934648 Jitter measurement circuit for measuring jitter of measurement target signal on the basis of sampling data string obtained by using ideal cyclic signal
08/23/2005US6934647 Efficient sampling of digital waveforms for eye diagram analysis
08/23/2005US6933712 Electrical circuit tracing and identifying apparatus and method
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