171481 ⎘
Arrangements for measuring currents or voltages or for indicating presence or sign thereof; Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using diodes, e.g. Zener diodes
A VOLTAGE TESTER DEVICE/SYSTEM FOR SAFETY APPLICATION IN ELECTRICAL PANEL AND METHOD THEREOF
#2VOLTAGE MEASUREMENT SYSTEM
#3SHORT-CIRCUIT PROTECTION DEVICE FOR SWITCH
#4MONITORING ASSEMBLY AND SYSTEM HAVING A MONITORING ASSEMBLY
#5POWER TOOL
#6ABNORMAL DETECTION CIRCUIT FOR DETECTING THREE-PHASE AC POWER
#7Abnormal detection circuit for detecting three-phase AC power
#8METHOD FOR SENSING A CURRENT FLOWING IN A TRANSISTOR DRIVING A LOAD, AND CORRESPONDING CIRCUIT ARRANGEMENT FOR SENSING
#9VOLTAGE DETECTION APPARATUS AND METHOD FOR DETERMINING WHETHER HIGH VOLTAGE AT INPUT TERMINAL EXCEEDS PRESET VALUE
#10On-state voltage measurement of high-side and low-side power transistors in a half-bridge for in-situ prognostics
#11ACTIVE WRAP AROUND CIRCUIT FOR MUTUALLY COUPLES COILS
#12Ultra-low leakage test verification circuit
#13Precision dynamic range expansion for current measurement
#14Power tool, detection circuit and detection method of load state of power tool
#15Ultra-low leakage test verification circuit
#16Fault detection in a multi-phase electric machine
#17Drive circuit, liquid crystal drive controller, and liquid crystal display device
#18ELECTRICAL CABLE COUPLER WITH POWER INDICATOR
#19High-speed optocoupler circuits
#20Output module of industrial control apparatus
#21Semiconductor circuit and semiconductor system
#22Electronic apparatus, voltage detector and voltage detection method thereof
#23VOLTAGE THRESHOLD SENSING SYSTEMS AND RELATED METHODS
#24Method and apparatus for operating a power distribution system
#25Bidirectional flat clamp device with shared voltage sensor circuit
#26PARASITIC EMULATOR FOR TESTING LIGHTING AND ELECTRIC BRAKE CIRCUITS ON TRAVEL AND FIFTH-WHEEL TRAILERS
#27Dead front connector having a voltage indicator
#28Voltage sensing circuit
#29AIR PULSER FOR A MOTOR VEHICLE POWERED BY TWO VOLTAGES
#30Constant power protection circuit and constant power protection method
#31Battery monitoring device for vehicle-mounted battery
#32Intrinsically safe Zener diode barrier with indication
#33Regulating an output power of a monitored electronic device
#34Measuring apparatus
#35Control apparatus and control method
#36System for indicating the presence of voltage in a high-voltage network
#37Programmable audio level indicator
#38Voltage threshold sensing systems and related methods
#39Rectifier package module for vehicle and connection status detection method for temperature sensor thereof
#40Dead front connector having a voltage indicator
#41Systems and methods for testing a clamp function for insulated gate bipolar transistors
#42Electronic device
#43Voltage detection circuit
#44Voltage detector and protection apparatus using the same
#45Voltage measuring circuit
#46Under-voltage warning circuit
#47Under-voltage and over-voltage detection circuit and driving method thereof
#48Method and apparatus for sensing current and voltage in circuits with voltage across an LED
#49Method and apparatus for sensing current and voltage in circuits with voltage across an LED
#50Method and apparatus for sensing current and voltage in circuits with voltage across an LED
#51System for measuring voltage using pulse width modulator or voltage controlled oscillator