Patents
Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105)
01/2008
01/24/2008US20080018343 Line-reflect-reflect match calibration
01/24/2008US20080018342 Method for Verifying the Calibration of a Multiport Network Analyzer and Corresponding Calibration Unit
01/23/2008EP1607758B1 Test apparatus
01/23/2008EP1012608B1 Electronic revenue meter with automatic service sensing
01/23/2008CN201011523Y Connector for detecting electric energy meter
01/22/2008US7321837 Synchronization and calibration of clocks for a medical device and calibrated clock
01/22/2008US7321233 System for evaluating probing networks
01/17/2008US20080015806 Procedure to diagnose an electrical circuit
01/17/2008US20080015803 Accurate dynamic gravity measurement method and apparatus
01/17/2008US20080012561 System and method for assessing contrast response linearity for DCE-MRI images
01/17/2008US20080012552 Calibration device in magnetic sensor for inducting magnetic scale
01/16/2008CN201007732Y Winding deformation test plier
01/16/2008CN100362357C Probe examination device
01/10/2008WO2008003399A1 Hf measurement system, method for the calibration thereof, and method for determining scattering parameters with this hf measurement system
01/10/2008WO2008003398A1 Method for the direct measurement of the mixed-mode-scattering matrix using a vector network analyzer
01/10/2008US20080010034 Method for network analyzer calibration and network analyzer
01/10/2008US20080007271 Methods and apparatuses for measuring vcm bemf at a vcm control update rate
01/10/2008DE102007027142A1 Verfahren und Vorrichtung zur Kalibrierung eines Netzwerkanalysators für Messungen an differentiellen Anschlüssen Method and apparatus for calibrating a network analyzer for measurements of differential terminals
01/10/2008CA2658101A1 Hf measurement system, method for the calibration thereof, and method for determining scattering parameters with this hf measurement system
01/09/2008CN201004041Y SF6 air density relay calibrator for automatic rated value test
01/03/2008US20080001608 High Precision Voltage Source for Electrical Impedance Tomography
01/02/2008EP1872142A1 Calibration device and calibration method for adjusting a directional coupler measuring system
01/02/2008CN201000481Y Digital type position signal tester
01/01/2008US7315731 Method of measuring and calibrating frequency down converter
01/01/2008US7315170 Calibration apparatus and method using pulse for frequency, phase, and delay characteristic
12/2007
12/27/2007WO2007147511A2 Method and device for calibrating a network analyzer used for measurements on differential terminals
12/26/2007CN101093251A Real time online method and device for monitoring and measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage
12/26/2007CN101093250A Real time online method and device for monitoring and measuring error of high-voltage current measured through mutual inductance
12/25/2007US7312615 System and method for communicating calibration data
12/21/2007WO2007146583A2 Method of designing an application specific probe card test system
12/21/2007WO2007145730A2 Calibration structures for differential signal probing
12/18/2007US7310586 Metal detector with data transfer
12/13/2007WO2007142591A1 Method and device for demodulation of signals
12/13/2007US20070285107 Calibration structures for differential signal probing
12/13/2007DE10245133B4 Kalibrierungsanordnung Calibration arrangement
12/13/2007DE102006012421B3 Verfahren zum Abgleich der Geräteuhr eines Energiemessgeräts Method for calibrating the device clock an energy meter
12/12/2007CN200989938Y Electric power type all automatic mutual inductor correcting device
12/11/2007US7308375 System and method for determining light source current
12/11/2007US7307433 Intelligent probe card architecture
12/11/2007US7306951 For use in welding; converts measured changes in the physical properties, such as optical absorption or electrical resistance, of a sensor element into an output signal that is closely correlated to the diffusible hydrogen content
12/06/2007WO2007080073A8 Method for carrying out a frequency change
12/06/2007US20070282555 Read-Side Calibration for Data Interface
12/06/2007US20070279041 Energy Metering System
12/05/2007CN200986587Y Harmonic current and induction reactive power generator
12/05/2007CN101082662A Regulating method for electrical energy meter accuracy
12/05/2007CN101082661A Current mutual inductor for intelligent electrical apparatus release and control method thereof
12/04/2007US7304475 Mechanism for and method of biasing magnetic sensor
12/04/2007US7304467 Circuit for simultaneous testing of electricity meters with interconnected current and voltage circuits
11/2007
11/29/2007US20070276625 Azimuth Measuring Device
11/29/2007US20070276622 Calibration method and apparatus using a trigger signal synchronous with a signal under test
11/29/2007US20070276620 Method of correcting coordinates, and defect review apparatus
11/28/2007CN101078740A Current transformer failure self-testing device
11/27/2007US7302351 Power supply device, method, program, recording medium, network analyzer, and spectrum analyzer
11/21/2007CN200979592Y An inspection apparatus for single-phase load of electric meter
11/21/2007CN101074988A Method and apparatus for realtime and on-line monitoring meter error of high-voltage mutual inductor
11/21/2007CN101074987A Comprehensive error realtime on-line monitoring method and monitor for high-voltage electric-energy meter
11/20/2007US7298135 Electronic revenue meter with automatic service sensing
11/15/2007WO2007129653A1 Calibration program and electronic compass
11/15/2007US20070265793 Method and apparatus for implementing automatic-calibration of tdr probing system
11/14/2007CN100348984C Electric energy metrical pulse generation method for ammeter
11/13/2007US7295018 Correction of loss and dispersion in cable fault measurements
11/07/2007CN100347557C Method and apparatus for in-circuit testing of sockets
11/06/2007US7292953 Semiconductor memory device with ability to adjust impedance of data output driver
11/01/2007WO2007122151A1 Method and device for checking current converters by means of high-current pulses
11/01/2007US20070255527 Disposable, pre-calibrated, pre-validated sensors for use in bio-processing applications
11/01/2007CA2650254A1 Method and device for checking current converters by means of high-current pulses
10/2007
10/31/2007CN200968985Y Three-phase electrical energy meter calibration testing device
10/31/2007CN101064434A Method for feeding back switch power supply aging energy and realizing circuit
10/30/2007US7289924 Self-calibrating sensor
10/30/2007US7289921 System and method for providing an improved voltage monitor for an adjustable supply voltage in adaptive voltage scaling
10/30/2007US7288931 Method for determining residual error compensation parameters for a magnetoresistive angle sensor and method for reducing a residual angle error in a magnetoresistive angle sensor
10/25/2007US20070247141 Continuosly Calibrated Magnetic Field Sensor
10/25/2007US20070247138 Communicating with an implanted wireless sensor
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
10/24/2007CN200965567Y High precision automatic meter calibrating circuit
10/24/2007CN101059559A On-line calibration and checking method for current inductor transformation ratio and angle difference
10/18/2007US20070241760 Method for partial re-calibrating a network analyzer, and a network analyzer
10/17/2007CN200962142Y High-voltage power meter correction device
10/04/2007US20070233411 Method of test of clock generation circuit in electronic device, and electronic device
10/04/2007US20070233410 Method to verify the outcome of calibration with a network analyzer
10/04/2007DE202007010784U1 Kontaktloses Messsystem Contact measuring system
10/03/2007CN200956053Y Electric energy metering secondary circuit comprehensive error detecting device
10/02/2007US7277810 Method and apparatus for automating calibration of test instruments
09/2007
09/27/2007DE10330043B4 System und Kalibrierverfahren System and calibration
09/27/2007DE102005021247B4 Eigenschaftsmessverfahren für Hochfrequenzschaltung, Kalibriermuster und Kalibriervorrichtung Property Measuring method for high frequency circuit calibration pattern and calibration
09/26/2007CN200953046Y Electric energy metering device long-distance testing monitoring system
09/26/2007CN200953045Y Oscilloprobe calibrating fitting
09/25/2007US7272916 Method and device for inspecting and monitoring the seal integrity of sterile packages
09/20/2007US20070218755 Coaxial coupling for stepless calibration
09/20/2007DE102006035827A1 Frequency conversion circuit e.g. mixer, scattering parameters measuring method, involves phase coherently measuring waves converging and returning at/from gates of frequency conversion circuit even in case of different frequencies
09/19/2007EP1532461B1 Circuit for simultaneous testing of electricity meters with interconnected current and voltage circuits
09/19/2007CN101038331A Mutual-inductor electric energy meter comprehensive calibrator
09/19/2007CN101038329A 磁数据处理装置 Magnetic data processing device
09/18/2007US7272526 Method and apparatus for autocalibrating a plurality of phase-delayed clock signal edges within a reference clock period
09/12/2007CN200947119Y Composite direct-indicating meter measuring device
09/12/2007CN101034154A Direct-reading instrument full-automatic verification method and device thereof
09/06/2007US20070208524 Long-Duration Offset Compensation of a Sensor
09/04/2007US7265536 Procedure for reproduction of a calibration position of an aligned and afterwards displaced calibration substrate in a probe station
08/2007
08/30/2007WO2007096059A1 Method for representation of measurement results of a network analyser with simultaneous tolerance display
08/30/2007US20070200552 Energy meter device and calibration method
1 ... 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 ... 82