| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
|---|
| 10/27/2004 | EP1470430A1 Circuit arrangement, redox recycling sensor, sensor assembly and a method for processing a current signal provided by a sensor electrode |
| 10/27/2004 | EP1032842B1 Device having processor means and having undervoltage detection means |
| 10/27/2004 | CN1540357A System of giving an alarm of AC power down |
| 10/27/2004 | CN1540356A Method for testing current of bridge arm in excited power box |
| 10/27/2004 | CN1540355A Reflection type 'Sage-qinke' interferometer type current transformer prepared from full optical fiber |
| 10/27/2004 | CN1173422C Piezoelectric element polarization method |
| 10/26/2004 | US6809668 Interleaving A/D conversion type waveform digitizer module and a test apparatus |
| 10/26/2004 | US6809560 Load sensing circuit for a power MOSFET switch |
| 10/26/2004 | US6809505 Storage system and method of detecting an improper cable connection in the storage system |
| 10/21/2004 | US20040207967 Overcurrent detection and protection apparatus for switching element |
| 10/21/2004 | US20040207435 Signal sorting device and method |
| 10/21/2004 | DE10314842A1 Stromerfassungsschaltung für einen DC/DC-Wandler Current detecting circuit for a DC / DC converter |
| 10/20/2004 | CN2650144Y Domestic appliance and equipment leakage display device |
| 10/20/2004 | CN1538183A Electrical appliance state detector suitable for mixed use of remote control and hand control |
| 10/20/2004 | CN1172191C Voltage (potential) measurer |
| 10/20/2004 | CN1172190C High-speed, low-ripple peak-value detector |
| 10/19/2004 | US6806721 Digital envelope detector |
| 10/19/2004 | US6806650 Structure and the method for measuring the spectral content of an electric field as a function of position inside a plasma |
| 10/14/2004 | WO2004088334A1 Measurement of the current distribution/heat distribution of an electrochemical electrode |
| 10/14/2004 | US20040201374 Current sensor and current detection unit using the same |
| 10/14/2004 | US20040201373 Current probe |
| 10/14/2004 | DE202004011572U1 Failsafe autopilot, for remote controlled model aircraft or boats or cars, activates a servo to stop the motor and apply any brakes on a control fault and low batteries |
| 10/14/2004 | DE10321490B3 Electrochemical sensor, as a biochip working on a redox cycling principle, has one circuit is a potentiostat coupled to the sensor electrode and a second circuit has a condenser for potential comparison |
| 10/13/2004 | EP1467214A2 Current sensor and current detection unit using the same |
| 10/13/2004 | EP1467213A2 Self-powered axial current sensor |
| 10/13/2004 | CN2648452Y Examining and repairing protector for high pressure equipment |
| 10/13/2004 | CN1537234A Circuit arrengement and method for monitoring circuit |
| 10/12/2004 | US6804693 Method for reducing skew in a real-time centroid calculation |
| 10/12/2004 | US6803766 Battery pack voltage detection apparatus |
| 10/12/2004 | US6803755 Microelectromechanical system (MEMS) with improved beam suspension |
| 10/07/2004 | WO2004086065A1 Voltage measurement device |
| 10/07/2004 | WO2004086064A1 Electro-optical voltage sensor |
| 10/07/2004 | US20040199841 Method and system for detecting a mode of operation of an integrated circuit, and a memory device including same |
| 10/07/2004 | US20040199344 Power saving apparatus in an appliance |
| 10/07/2004 | US20040196073 Voltage detection circuit |
| 10/07/2004 | US20040196071 Device using a detection circuit to determine whether an output current thereof is source-induced or load-induced, and method therefor |
| 10/07/2004 | US20040196056 System and method for measuring the thickness or temperature of a circuit in a printed circuit board |
| 10/06/2004 | EP1464117A2 Activity detector circuit |
| 10/06/2004 | EP1463950A2 Photoconductive- sampling voltage measurement |
| 10/06/2004 | EP1173921A4 Method and apparatus for controlling pulse width modulation device |
| 10/06/2004 | CN1534884A Method and device for providing power, guiding analogue measuring and communication signal |
| 10/06/2004 | CN1534302A 电压检测电路 A voltage detecting circuit |
| 10/06/2004 | CN1534301A Electro optical voltage sensor used for high voltage |
| 10/05/2004 | US6801145 Interleaving A/D conversion type waveform digitizer module and a test apparatus |
| 10/05/2004 | US6801031 Method and apparatus for current measurement for electronically-controlled pump |
| 10/05/2004 | US6801030 Current sense apparatus and method |
| 09/30/2004 | WO2004084581A1 Method of programming a hearing aid by a programming device |
| 09/30/2004 | US20040190464 Method and apparatus for supplying power, and channeling analog measurement and communication signals over single pair of wires |
| 09/30/2004 | US20040189480 Unit for sensing physical quantity |
| 09/30/2004 | US20040189351 Current sense apparatus and method |
| 09/30/2004 | US20040189320 Electrical high tension tester |
| 09/30/2004 | US20040189315 Current sense components failure detection in a multi-phase power system |
| 09/30/2004 | US20040189278 Electro-optical voltage sensor for high voltages |
| 09/30/2004 | DE10312612A1 Switch state monitoring device, especially for a motor vehicle, has a voltage transducer circuit connected to two or more switches with a single output to a microprocessor analogue to digital converter |
| 09/30/2004 | DE10127054B4 Verfahren zur Überwachung einer Spannungsversorgung eines Steuergeräts in einem Kraftfahrzeug Method for monitoring a voltage supply of a control device in a motor vehicle |
| 09/30/2004 | DE10059751B4 Verfahren und Schaltungsanordnung zur Überprüfung eines Ausganges eines elektrischen Bauteils Method and circuit arrangement for checking an output of an electrical component |
| 09/29/2004 | EP1462811A1 Electro-optic voltage sensor for high voltages |
| 09/29/2004 | EP1295143B1 Cell voltage monitor for a fuel cell stack |
| 09/29/2004 | CN2645323Y Power distribution load observing and control terminal |
| 09/29/2004 | CN2645314Y Surge protection assembly |
| 09/29/2004 | CN2645089Y Portable audio signal display |
| 09/29/2004 | CN2645088Y Public energy management equipment |
| 09/29/2004 | CN1532555A Single node sampled voltage-current characteristic digital detecting circuit |
| 09/29/2004 | CN1532551A Photoelectric measurer for high voltage electric transmission line current |
| 09/29/2004 | CN1532526A Device for detecting physical volume |
| 09/29/2004 | CN1169080C Integrating circuit internally included in semiconductor device |
| 09/29/2004 | CN1168994C Microwave automatic measuring device |
| 09/29/2004 | CN1168993C Device having processor means and having undervoltage detection means |
| 09/29/2004 | CN1168992C D.C. current sensing device |
| 09/28/2004 | US6798253 Signal sorting device and method |
| 09/28/2004 | US6798251 Differential clock receiver with adjustable output crossing point |
| 09/28/2004 | US6798250 Current sense amplifier circuit |
| 09/28/2004 | US6798189 Current detection resistor, mounting structure thereof and method of measuring effective inductance |
| 09/28/2004 | US6798188 Voltage peak measurement with digital memory |
| 09/28/2004 | CA2424010A1 Electrical high tension tester |
| 09/23/2004 | WO2004081966A1 Beam current measuring instrument and beam current measuring method using same |
| 09/23/2004 | US20040186670 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| 09/23/2004 | US20040183689 Voltage sensing hand tool |
| 09/23/2004 | US20040183543 Power source test instrument |
| 09/23/2004 | US20040183522 Power line sensors and systems incorporating same |
| 09/23/2004 | DE10310503A1 Current measurement arrangement has a test current source of known value that permits the calibration of a measurement resistance prior to, or during, current measurement processes |
| 09/22/2004 | EP1460436A1 System and method for establishing a subsampling rate for repetitive signals |
| 09/22/2004 | CN1530661A 电流传感器 Current Sensors |
| 09/22/2004 | CN1168060C Plasma body display screen over current detection device |
| 09/21/2004 | US6795321 Method and apparatus for sensing current and voltage in circuits with voltage across an LED |
| 09/21/2004 | US6794881 Arrangement for measuring the root mean square of a power frequency voltage across a large dynamic range, especially for measuring electrical output |
| 09/16/2004 | US20040178809 Plasma display panel |
| 09/16/2004 | US20040178771 Battery life determination |
| 09/16/2004 | CA2537927A1 Apparatus and method for electrical cable identification |
| 09/15/2004 | EP1457786A1 Battery life determination |
| 09/15/2004 | EP1456675A1 Input buffer and method for voltage level detection |
| 09/15/2004 | EP1042678B1 Method for defining instantaneous value of current of pulse-controlled inductive load |
| 09/15/2004 | EP1029248B1 Current measuring device and telephone terminal using such a current measuring device |
| 09/14/2004 | US6791890 Semiconductor memory device reading data based on memory cell passing current during access |
| 09/14/2004 | US6791373 High-voltage detecting circuit |
| 09/14/2004 | US6791368 Current sensing circuit and method of a high-speed driving stage |
| 09/14/2004 | US6791341 Current derivative sensor |
| 09/14/2004 | US6791315 Current detector and current measuring apparatus including such detector with temperature compensation |
| 09/14/2004 | US6791314 Device and method for measuring weak current signals using a floating amplifier |
| 09/10/2004 | WO2004077078A1 Electric current sensor |