171484 ⎘
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 application in AC or DC supplies
High reliability power supply configuration and testing
#302Power control apparatus and control method
#303OVERCURRENT DETECTING CIRCUIT AND LEAKAGE CURRENT DETECTING CIRCUIT
#304Energy supply unit and method for operating an energy supply unit for autonomously supplying a consumer
#305Systems and methods for sensing current while minimizing measurement error and power loss
#306Systems and methods for sensing current through a low-side field effect transistor
#307Automated method and apparatus for testing a crowbar circuit of a power converter
#308Power supply monitoring device, electronic apparatus, and power supply monitoring method
#309Sensor device with series circuit of MOS switch and capacitor
#310Method for detecting load in wireless charging priority
#311DETECTION OF LOAD-SHEDDING OF AN INVERTER
#312Abnormality display device including a switch to control a display element to indicate abnormal or normal operations for plural systems
#313Magnetic sensor circuit with power supply fluctuation detection
#314Power supply current monitoring device
#315Waveform shape discriminator
#316Power supply detecting circuit
#317Accurate current sensing in H-bridge applications without amplifier having high common mode rejection ratio
#318Electronic control unit
#319Power supply monitor
#320Method of and circuit for brown-out detection
#321Voltage detector, electronic device, and control method of voltage detector
#322Method of valley inductance current polarity detection in a pulse width modulated circuit with an inductive charge
#323CURRENT MONITORING APPARATUS AND CURRENT MONITORING SYSTEM USING THE SAME
#324Methods and systems for calibrating a resonant converter
#325Approach for generation of power failure warning signal to maximize useable hold-up time with AC/DC rectifiers
#326Apparatus for location-dependent configuration
#327Circuit and method for detecting zero-crossings and brownout conditions on a single phase or multi-phase system
#328Compressor protection and grid fault detection device
#329Diagnostic device, apparatus and method
#330ELECTRONIC DEVICE AND METHOD FOR DETECTING VOLTAGE OF THE ELECTRONIC DEVICE
#331Apparatus and Method for Detecting Faults in a Solar Module
#332String monitor
#333PHASE DETECTION APPARATUS FOR ALTERNATOR AND METHOD THEREOF
#334Compressor protection and grid fault detection device
#335Low power brown out detector
#336Wiring testing device
#337Compressor protection and grid fault detection device
#338Method of and circuit for brown-out detection
#339Circuits and methods for voltage detection
#340Fuel cell system
#341Method for extending the diagnostic capability of current regulators
#342Very small aperture terminal (VSAT) site diagnostics
#343Transistor diagnostic circuit
#344Voltage detection circuit and voltage detection method
#345Electronic monitoring of the on-board power supply system of a motor vehicle with respect to voltage peaks or voltage drops
#346Detection of the state of the elements of an electric branch comprising a load and a switch
#347Compressor protection and grid fault detection device
#348Overcurrent detection circuit
#349Apparatus, system, and method determining voltage, current, and power in a switching regulator
#350Voltage comparison circuit
#351Low power voltage detection circuit and method therefor
#352Circuit Arrangement and Method for Detecting a Power Down Situation of a Voltage Supply Source
#353NEGATIVE VOLTAGE DETECTION CIRCUIT FOR SYNCHRONOUS RECTIFIER MOSFET
#354Low voltage shutdown circuit
#355Detection of the supply state of a load supplied by a variable voltage
#356Method and circuit arrangement for verifying electrical contacts between a first output pin of a first power switch of a power switch device and an external node and a second output pin of a second power switch of said power switch device and said node
#357Method of forming a transistor diagnostic circuit
#358Method of forming a current sense circuit and structure therefor
#359Brownout detector system and method
#360Circuit and method for monitoring a supply voltage and providing an indication when the supply voltage falls below a predetermined threshold
#361High voltage detection system
#362Diagnostic circuit and method therefor
#363Voltage detecting circuit
#364Fault detection system
#365Undercurrent sense arrangement and method
#366Undervoltage warning method, undervoltage warning circuit and switching power supply
#367Supply voltage identifier
#368Circuits for quickly generating power good signals to motherboard
#369Voltage detection circuit with hysteresis for low power, portable products
#370Power management scheme for external batteries
#371Method of determining working voltage of inverter
#372Detection of the supply state of a load supplied by a variable voltage
#373Analog current sense circuit
#374Power supply detection device and method
#375AC signal level detection circuit
#376Modular power supply system including a power status signal generator to perform fast sag detection to input peak voltage
#377Current over-flow detector for motor driving circuit
#378Status check for a switch
#379Receiving circuit to process low-voltage signal with hysteresis
#380Zero-crossing current detection for modular and robust dynamic wireless power transfer
#381Load current measurement
#382Voltage detection circuit
#383Single pole DC circuit breaker with bi-directional arc chamber
#384Diagnostic system for a power supply
#385System and method for intelligent circuit breaking in adjustable speed drives