| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 03/28/2000 | US6043780 Antenna adapter |
| 03/23/2000 | WO2000016110A1 Device and method for converting a charge-flow into a frequency signal |
| 03/23/2000 | DE19919946A1 Reproducible and retractable electromagnetic interference source having programmable frequency source that can be contained in sealed container usable in test location either closed or partially open |
| 03/21/2000 | US6040538 Switchgear assembly |
| 03/16/2000 | WO2000014553A1 Accumulated phase measurement using open-loop phase estimation |
| 03/16/2000 | WO2000014497A1 Teraherz radiation detection method and apparatus |
| 03/16/2000 | DE4129604C2 Verfahren zur Bestimmung des Strahlungsdiagrammes einer Kurzwellen-Vorhangantenne Method for determining the radiation pattern of a shortwave antenna curtain |
| 03/14/2000 | US6037782 Automatic adjustment of cables which aids in set-up of equipment under test for electromagnetic compatibility measurements |
| 03/09/2000 | DE19838411A1 Method to identify faults of electric operating device; uses active power, distorting and displacement wattless powers, unsymmetrical actual and differential powers |
| 03/08/2000 | EP0983520A1 Method and device for generating and receiving electromagnetic fields for test and measurement purposes |
| 03/08/2000 | EP0592485B1 Method and device for extending the dynamic range in measurements carried out with a directional coupler |
| 03/08/2000 | CN2368040Y Micro-wave radiation safety monitor |
| 03/07/2000 | US6034530 Apparatus and method for measuring a movable electric charge induced in a conductive member |
| 03/07/2000 | US6032524 Method and apparatus for detecting p-static interference source |
| 03/02/2000 | WO2000011483A1 Method and apparatus for electromagnetic emissions testing |
| 03/01/2000 | EP0982594A1 Method and apparatus for electromagnetic emissions testing |
| 03/01/2000 | EP0981836A1 Method and device for antenna calibration |
| 03/01/2000 | EP0981757A4 Wrist strap test mode circuitry |
| 03/01/2000 | EP0981757A1 Wrist strap test mode circuitry |
| 02/29/2000 | US6032026 Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system |
| 02/29/2000 | US6031700 Ground detector for a static grounding system |
| 02/29/2000 | US6031498 Antenna pattern measurement method and device |
| 02/29/2000 | US6031378 Measuring system and a method for detecting static electricity and/or change thereof in a measuring object and use thereof |
| 02/24/2000 | WO2000003254A3 Circuit for determining the time difference between two edges of a first and of a second digital signal |
| 02/23/2000 | EP0981198A2 Improved signal detector |
| 02/23/2000 | EP0981055A2 Non-contact type wave signal observation apparatus |
| 02/23/2000 | EP0980530A1 Measurement of microwave radiation |
| 02/23/2000 | EP0980529A1 Apparatus for the measurement of microwave radiation |
| 02/23/2000 | CN2365746Y Induction voltage regulating integral apparatus for test |
| 02/19/2000 | CA2280494A1 Improved signal detector |
| 02/17/2000 | WO2000008488A1 Method for determining a geo-pathogenic area from anomalies in the earth's electrostatic field in residential areas |
| 02/17/2000 | DE19923211A1 Kapazitiver Spannungsteiler zur Messung von Hochspannungsimpulsen mit Millisekunden-Impulsdauer Capacitive voltage divider for measuring high-voltage pulses with a millisecond pulse duration |
| 02/16/2000 | CN1244968A Apparatus for tracking resonant frequency |
| 02/10/2000 | WO1996035103A9 A piezoelectric crystal microbalance device |
| 02/08/2000 | US6023463 Satellite telephone interference avoidance system |
| 02/08/2000 | CA2203966C Active phased array adjustment using transmit amplitude adjustment range measurements |
| 02/03/2000 | WO2000005823A1 Network amplifier monitoring circuit |
| 02/03/2000 | WO2000005589A1 Capacitative voltage divider for measuring high voltage pulses with a millisecond pulse duration |
| 02/02/2000 | EP0977384A1 Method and apparatus for measuring spectral energy of mobile handset |
| 02/02/2000 | EP0977053A2 Non-contact type wave signal observation apparatus |
| 02/02/2000 | EP0977052A2 Non-contact type wave signal observation apparatus |
| 02/02/2000 | EP0977050A2 Display apparatus |
| 02/02/2000 | EP0977044A1 Mastless antenna test device |
| 02/02/2000 | EP0943174A4 Microwave active solid state cold/warm noise source |
| 02/01/2000 | US6021159 Circuit for measuring transmission quality of demodulated digital signal transmitted under carrier modulation transmission system |
| 02/01/2000 | US6020733 Two port handheld vector network analyzer with frequency monitor mode |
| 01/27/2000 | WO2000004399A2 Device for measuring the specific absorption rate |
| 01/27/2000 | WO2000004393A1 Antenna field tester |
| 01/27/2000 | CA2300303A1 Apparatus for measuring the specific absorption rate |
| 01/26/2000 | CN1242838A Apparatus and method for tetermining source and strength of electro-magnetic emissions |
| 01/25/2000 | US6018245 Method and apparatus for detection and acquisition of automotive fuel injector voltage signal pulse width |
| 01/20/2000 | WO2000003254A2 Circuit for determining the time difference between two edges of a first and of a second digital signal |
| 01/20/2000 | DE19830570A1 Schaltung zur Ermittlung der Zeitdifferenz zwischen Flanken eines ersten und eines zweiten digitalen Signals Circuit for determining the time difference between edges of a first and a second digital signal |
| 01/19/2000 | CN1241885A Apparatus and method for determining location of interference source and for measuring interference signal emitted therefrom |
| 01/11/2000 | US6014447 Passive vehicle classification using low frequency electro-magnetic emanations |
| 01/11/2000 | US6014028 Surface potential sensing device |
| 01/05/2000 | EP0597027B1 Apparatus and method for controlling transmitted power of a modem |
| 01/05/2000 | DE19829985A1 Differentiation method for staircase signals |
| 12/30/1999 | DE19928443A1 Measuring electrical potential differences, especially caused by low frequency coupling voltages, for house testing in living and working quarters |
| 12/29/1999 | EP0967762A2 Energy based pulse position detector for telephone wire networks |
| 12/29/1999 | EP0966702A2 Time interval measurement system incorporating a linear ramp generation circuit |
| 12/28/1999 | US6008653 Contactless system for detecting microdefects on electrostatographic members |
| 12/28/1999 | US6006589 Piezoelectric crystal microbalance device |
| 12/28/1999 | CA2161118C A method and apparatus for determining signal usability |
| 12/28/1999 | CA2143592C Techniques for expeditiously predicting electromagnetic wave propagation |
| 12/28/1999 | CA2134275C Interferometry with multipath nulling |
| 12/22/1999 | EP0966119A2 Method and device for measuring field strenght of received signal in time-division multiple access |
| 12/22/1999 | EP0965931A2 Modeling method and simulation method |
| 12/21/1999 | US6006089 System and method of measuring electric field strength |
| 12/21/1999 | US6005518 Coaxial cable RF leakage detector |
| 12/16/1999 | WO1999065109A1 Device for discharging an absorber element for electromagnetic radiation generated by electrical or electronic members |
| 12/16/1999 | WO1999064872A2 Electrical power system phase sequence tester device |
| 12/16/1999 | DE19913991A1 Current flow measurement mechanism for electromagnetic field resistance calculation apparatus |
| 12/15/1999 | EP0963558A1 Plastic body, in particular flat element, for limiting hf reflection |
| 12/15/1999 | EP0871988B1 Electrode |
| 12/14/1999 | US6002252 Compact sensing apparatus having transducer and signal conditioner with a plurality of mounting pins |
| 12/09/1999 | DE19822946A1 Method to establish rotation direction of three sinusoidal phase-shifted phases having electric rotating fields behind 3-phase frequency changer especially for driving combination of connected linear motors |
| 12/08/1999 | EP0963003A2 Radio environment analysis apparatus |
| 12/08/1999 | EP0902896A4 Electro-optical and magneto-optical sensing apparatus and method for characterizing free-space electromagnetic radiation |
| 12/07/1999 | US5999889 Antenna performance monitor |
| 11/30/1999 | US5994890 Harmonics survey system |
| 11/25/1999 | DE19820207A1 Antenna test arrangement for vehicle control system |
| 11/24/1999 | CN1236106A Connection method for electric power carrier wave connection filter detection and its detection connector |
| 11/23/1999 | US5991036 Two-dimensional opto-electronic imager for millimeter and microwave electro-magnetic radiation |
| 11/23/1999 | US5990687 Measuring shield breaks in coaxial cable by a sheath test current |
| 11/23/1999 | CA2203965C Self-phase up of array antennas with non-uniform element mutual coupling and arbitrary lattice orientations |
| 11/23/1999 | CA2203964C Active array self calibration |
| 11/18/1999 | WO1999059089A1 Noise checking method and device |
| 11/17/1999 | EP0957605A2 Circuitry and method for duty measurement |
| 11/16/1999 | US5986629 Electrostatic discharge indicator |
| 11/16/1999 | US5986456 Surface potential sensor and processing circuit having improved noise reduction |
| 11/11/1999 | WO1999057570A1 Dual funcion field sensor |
| 11/11/1999 | CA2271554A1 Circuitry and method for duty measurement |
| 11/10/1999 | EP0955549A1 Apparatus for radiofrequency measurements on an industrial test bench |
| 11/10/1999 | EP0955548A1 Device for detecting electromagnetic waves |
| 11/10/1999 | EP0760954A4 Phase noise detector |
| 11/10/1999 | CN1234507A Detection rod for detecting high-frequency magnetic wave and detection method thereof |
| 11/09/1999 | US5983043 Potential measuring apparatus and potential measuring method |
| 11/09/1999 | US5982841 Time counting circuit, pulse converting circuit and FM demodulating circuit |
| 11/09/1999 | US5982712 Method and apparatus for measuring time intervals between electrical signals |