Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
11/2012
11/07/2012CN102122139B Distribution automation terminal and AC (Alternating Current) sampling channel expansion method thereof
11/07/2012CN102062809B Method for capturing and locking voltage zero-crossing point of power grid
11/07/2012CN102062803B Active current extraction method based on orthogonal sine wave integral modulation
11/07/2012CN101995510B Power indication structure
11/07/2012CN101789267B Measuring method of intrinsic threshold voltage of nonvolatile memory
11/07/2012CN101644727B High-voltage detector
11/07/2012CN101363877B Printed circuit board for sensing voltage drop
11/07/2012CN101004430B Analog level meter and method of measuring analog signal level
11/06/2012US8307289 Network based system which provides a database of simulation solutions
11/01/2012WO2012149483A2 System and method for automated detection of battery insertion
11/01/2012WO2012148774A2 Integrated protection devices with monitoring of electrical characteristics
11/01/2012WO2012148070A1 Device and method for estimating the degradation of battery capacity
11/01/2012WO2012116224A3 Synthesized current sense resistor for wide current sense range
11/01/2012WO2012102933A3 Detection of insufficient supplied power
11/01/2012WO2012088488A3 Assembly and circuit structure for measuring current through an integrated circuit module device
11/01/2012US20120278051 Anomaly detection, forecasting and root cause analysis of energy consumption for a portfolio of buildings using multi-step statistical modeling
11/01/2012US20120274308 Voltage detection circuit
10/2012
10/31/2012EP2517034A1 Efficiency measuring circuit for dc-dc converter which calculates internal resistance of switching inductor based on duty cycle
10/31/2012CN202514073U Sensor network node device, aggregation node device thereof and electricity stealing prevention system
10/31/2012CN202513674U Remote alarm device for abnormal current leakage of arrestor
10/31/2012CN202512250U wall-collision detecting device of polycrystalline silicon rod
10/31/2012CN202512227U Alternating current power supply over/under voltage detector
10/31/2012CN202512222U Detachable voltage intelligent polling instrument for storage battery
10/31/2012CN202512220U Combination tool for detecting charging of magneto-electric generator
10/31/2012CN202512168U Separate direct current voltage acquisition and processing system
10/31/2012CN202512167U Digital voltage meter
10/31/2012CN202512166U Alternating current digital voltmeter based on single-chip microcomputer
10/31/2012CN202512165U Portable frequency oil pumping machine power balance testing device
10/31/2012CN202512164U High voltage reminding device
10/31/2012CN202512163U Breaker overload detection module
10/31/2012CN202512162U Carrier voltage monitoring alarm
10/31/2012CN202512161U Super-grid over-voltage monitoring system based on Rogowski coil
10/31/2012CN202512160U Drive circuit used for light emitting diode device and voltage detecting device of the drive circuit
10/31/2012CN202512159U Peak value momentary detecting circuit for alternating-current voltage
10/31/2012CN202512158U Detection rod with adjustable spark gap
10/31/2012CN202512157U Current sensor
10/31/2012CN202512156U AC voltage synchronization and acquisition circuit
10/31/2012CN202512155U High voltage measurement device
10/31/2012CN202509103U Furnace lining leakage detector for medium-frequency induction heating furnace
10/31/2012CN102763369A Electricity system configuration method and computer program performing the method
10/31/2012CN102761309A Motor control unit and vehicle steering system
10/31/2012CN102761106A Quick starting and vector calculation method for intelligent substation integrated protection
10/31/2012CN102761101A High-voltage electrified display system with anti-fault interface
10/31/2012CN102761097A Direct current leakage protective circuit
10/31/2012CN102761075A Transposition device with voltage alarm function
10/31/2012CN102761068A Electricity testing switching operation integrated device
10/31/2012CN102759973A Power supply system and method for displaying power of power supply system
10/31/2012CN102759716A Testing system of luminous element and method for testing luminous element
10/31/2012CN102759696A Device for adjusting and sampling I-V characteristics of solar battery
10/31/2012CN102759682A Judgment method of small current system one-phase ground circuit and one-phase ground indicator
10/31/2012CN102759681A Transformer core ground fault monitoring device
10/31/2012CN102759660A Phase measuring instrument
10/31/2012CN102759657A System and method for detecting coupling current
10/31/2012CN102759656A Power distribution network low-voltage large-current magnetic field simulation display device
10/31/2012CN102759655A Detection circuit for multiple power voltage and detection method
10/31/2012CN102759654A Low-voltage detection circuit
10/31/2012CN102759653A Voltage detecting circuit
10/31/2012CN102759652A Solar high-voltage presence indicating device
10/31/2012CN102759651A Industrial voltage measurement structure
10/31/2012CN102759650A Electric power intelligent detector
10/31/2012CN102759649A Current sensor operating in accordance with the principe of compensation
10/31/2012CN102759648A Method and system for testing power panel
10/31/2012CN102759444A EGR (Exhaust Gas Recirculation) valve detection device of linear motor
10/31/2012CN102033157B Direct current micro voltage/micro current detection device and detection method thereof
10/31/2012CN102012245B State detection device
10/31/2012CN101428562B Method and apparatus for detecting current sensing device
10/31/2012CN101413965B Modular assembled electrical energy meter
10/31/2012CN101147181B Process control loop current verification
10/31/2012CN101097248B Enhanced-accuracy battery capacity prediction
10/30/2012USRE43774 Systems and methods of identifying patch cord connections in a communications patching system using common mode transmission
10/30/2012US8301405 System and method for measuring pin voltages of electronic components
10/30/2012US8301312 Fault situation processing arrangement of a load distribution system of a local electric power transmission network
10/30/2012US8300242 Image forming apparatus and pulse generating method
10/30/2012US8300153 Video selection display unit for multiple devices
10/30/2012US8299776 Method and apparatus for measuring AC voltages
10/30/2012US8299775 Current-aligned auto-generated non-equiaxial hole shape for wiring
10/26/2012WO2012145294A1 A system and method to calculate rms current and true power in a multidrop sensor network
10/26/2012WO2012144373A1 Switch circuit, selection circuit, and voltage measurement device
10/26/2012WO2012143590A1 Integrated circuit with internal means for measuring the load current
10/26/2012WO2012143422A1 Measurement system and method for a series connection of energy storage devices
10/26/2012WO2012109680A9 Hysteretic current mode controller for a bidirectional converter with lossless inductor current sensing
10/26/2012WO2012099866A3 Differential current monitoring for parallel-connected batteries
10/25/2012US20120272312 Upper-order computer, lower-order computer, monitoring system and monitoring method
10/25/2012US20120271579 System and method to calculate rms current and true power in a multidrop sensor network
10/25/2012US20120268105 Apparatus for analog-to-digital conversion with a high effective-sample-rate on the leading edge of a signal pulse
10/25/2012US20120268103 Display for hand-held electronics
10/25/2012US20120268102 Switching apparatus and test apparatus
10/25/2012US20120268101 Oscilloscope with integrated generator and internal trigger
10/25/2012US20120268075 Bidirectional current sense
10/25/2012DE102012100361A1 Stromdifferenzsensoren, -systeme und -verfahren Current difference sensors, systems and procedures
10/25/2012DE102011007900A1 Spannungswandler für eine Schaltanlage Voltage converter for switchgear
10/25/2012DE102006005053B4 Vorichtung und Verfahren zum Erfassen eines Angriffs auf eine elektrische Schaltung Vorichtung and method for detecting an attack on an electrical circuit
10/24/2012EP2515126A1 Bidirectional current sense
10/24/2012CN202502191U Cable line failure indication warning system
10/24/2012CN202502188U Iced insulator test device
10/24/2012CN202502157U Apparatus for measuring resistance-type parameter and equipment voltage
10/24/2012CN202502147U Electrolytic tank anode current testing device
10/24/2012CN202502146U Remote power grid evaluation form
10/24/2012CN202502145U Transformer iron core current monitoring device
10/24/2012CN202502144U Device for measuring electrolytic tank anode currents
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