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Patent Searching and Data


Matches 1 - 50 out of 29,219

Document Document Title
WO/2018/189690A1
A multifunctional home automation device with a modular structure is described, adapted to be inserted as an element in an electrical box, containing the following electrical and electronic components: a transformer/power supply (11) for...  
WO/2018/189035A1
A power module (10) comprises two semiconductor elements (12) connected in series; two DC terminals (20, 22), each DC terminal (20, 22) providing an electrical connection to an outer end of the series connection of the two semiconductor ...  
WO/2018/190562A1
The present invention relates to a biometric authentication apparatus and a biometric authentication method. Provided are an authentication apparatus and an authentication method, which apply a square wave having a single period to a fir...  
WO/2018/190986A1
A wireless charging device includes a power source (106) configured to generate a direct current (DC) voltage signal. Also, the wireless charging device includes a driver unit (108) configured to receive the DC voltage signal and convert...  
WO/2018/184076A1
A behind-the-meter system for controlled distribution of solar power to units in a multi-unit building connected to an electric power grid, the system comprising: a grid-tied inverter connectable between a solar power generator and the e...  
WO/2018/176184A1
An input voltage signal sampling circuit in a three-phase three-wire system PFC circuit, the sampling circuit comprising a module (100) for sampling an input voltage signal of a first phase, a module (200) for sampling an input voltage s...  
WO/2018/181090A1
This electric current sensor is provided with a magnetic core (20) magnetically coupled with an electric current path (P); a detection coil (Lp) wound on the magnetic core; a self-oscillation circuit (30) connected to the detection coil ...  
WO/2018/179017A1
A construction system regarding a capacitive voltage sensor, comprises a source electrode (110 / 210 / 310 / 410), a tubular body (120 / 220 / 320 / 420), and a mass of dielectric insulating material (140 / 240 / 340 / 440). The tubular ...  
WO/2018/181089A1
This electric current sensor is provided with: a magnetic core (20) magnetically coupled with an electric current path (P); an H-bridge circuit having first and second connection nodes (N1, N2) alternately inverted in polarity on the bas...  
WO/2018/182922A1
A memory device that generates a unique identifying number, and includes a plurality of memory cells and a controller. Each of the memory cells includes first and second regions formed in a semiconductor substrate, wherein a channel regi...  
WO/2018/177806A1
A domestic appliance (1) comprises a first power supply unit (2), which generates electrical power intended for operation of the domestic appliance from an alternating supply voltage (Ua) provided by a supply network (A), and at least on...  
WO/2018/171188A1
A method for determining the connection or disconnection of an alternating current of a bidirectional control thyristor, comprising the following steps: when an alternating current of a bidirectional control thyristor is connected, AD si...  
WO/2018/170775A1
A electrical quantity meter, a current-sampling calibration circuit thereof and a method of calibration. The electrical quantity meter (30) comprises a sensing resistor (Rsense), a voltage sampler and a current-sampling calibration circu...  
WO/2018/172138A1
An electric power system comprises recording devices (101-105) located at different elements of the electric power system and configured to record waveform samples of quantities related to operation of the elements of the electric power ...  
WO/2018/174906A1
A system activates a switch between a disengaged state and an engaged state, receives, via the second optical excitation source, a light signal includes a high intensity signal provided by the second optical excitation source, and causes...  
WO/2018/165970A1
A leakage current sensor and an apparatus for monitoring a leakage current. The leakage current sensor has an input end (101) and an output end (102), and further comprises an ASIC chip (120) and a digital signal processing module (130) ...  
WO/2018/168077A1
A distribution network monitoring system (1) detects abnormalities that occur in a distribution network using CT sensors (7) disposed in the distribution network, wherein the distribution network monitoring system (1) comprises a plurali...  
WO/2018/168273A1
This circuit protection device is provided between a direct-current power supply and a protection object circuit that is connected to the direct-current power supply, and protects the protection object circuit from an overvoltage of the ...  
WO/2018/169308A1
The present invention relates to a voltage conversion device having an improved inductor current cutoff speed, the device comprising: a current measuring means installed in a path through which an inductor current flows; a threshold curr...  
WO/2018/168078A1
A distribution network monitoring system (1) comprises: a plurality of CT sensors (7); a data collection relay (6); a camera (8); and an abnormality determination unit (56). The plurality of CT sensors (7) are installed at predetermined ...  
WO/2018/163021A1
A test circuit is incorporated in an IC without an increase in a chip area. The IC includes a plurality of pins, a plurality of current sensing circuits, and a current generation circuit. The plurality of current sensing circuits process...  
WO/2018/162452A1
The invention relates to a DI-circuit breaker device comprising a differential current transformer for detecting fault currents in a phase conductor and a neutral conductor, and a detection device for detecting faulty states of a protect...  
WO/2018/159161A1
The purpose of the present invention is to provide a novel internal combustion engine ignition control device whereby the man-hours required for matching adjustment of a MOS gate voltage and the like is reduced without being affected by ...  
WO/2018/158570A1
An appliance operation signal processing system comprising: an input for receiving an appliance operation signal, the appliance operation signal comprising information relating to operation of an appliance; an output for outputting infor...  
WO/2018/157224A1
A method for reducing induced voltages in a pipeline involves measuring at least one of a node voltage and electric current between a node, on a first conduction path extending from a point on the pipeline to an output of a controlled cu...  
WO/2018/158330A1
A current sensor for detecting a current from or into a vehicle battery, comprising: * a measurement circuit; and * an electric conductor, having: - at least one first measurement path, defined by a first potential pick-up contacting mea...  
WO/2018/160578A1
Various aspects provide for detecting voltage droops. For example, a system can include a voltage calibrator component and a comparator component. The voltage calibrator component can convert a first supply voltage associated with a powe...  
WO/2018/157120A1
SOGI based apparatus and methods for providing balanced three phase output signals free of harmonics, DC components and imbalance present in the input signals, are disclosed. In addition, such apparatus and methods for providing correspo...  
WO/2018/153000A1
An over-voltage protection apparatus and a power supply system, which relate to the technical field of safe power supply and can effectively protect a power transmission line when an over-voltage occurs, thereby improving the safety of t...  
WO/2018/154373A1
The invention relates to a terminal block (10) for fixing to a grounded support rail (12). The terminal block comprises an insulating material housing, a first potential terminal (14) formed in the insulating material housing for the con...  
WO/2018/152986A1
A safety alarm apparatus (100) and a power supply system (200), which relate to the technical field of safe power supply, and can effectively protect a power transmission line when a fault, such as over-voltage, occurs in a power grid, t...  
WO/2018/155873A1
The purpose of the present disclosure is to protect a power circuit of a base station in a wireless communication system, the base station comprising: at least one module for processing a signal; and the power circuit for supplying power...  
WO/2018/146844A1
An integral calculation unit 140 calculates integrals of an alternating-current signal, and records four integrals S1' to S4' in a recording unit 150. A zero-crossing detection unit 160 determines the maximum value of said S1' to S4', an...  
WO/2018/147897A1
A battery monitoring circuit measures individual battery cell voltages and temperatures of a plurality of series-connected battery cells utilizing an Analog Front End, a controller that collects and analyzes the data digitally transferre...  
WO/2018/148387A1
An absence of voltage indicator has an isolation circuit, an FM modulator attached to the isolation circuit, a reference oscillator, and a mixer attached to the reference oscillator and the FM modulator, wherein the output of the mixer i...  
WO/2018/146767A1
In this zero-crossing detection device 1: an integral calculation unit 140 calculates integrals of an alternating-current signal, and records four integrals S1' to S4' in a recording unit 150; and a zero-crossing detection unit 160 deter...  
WO/2018/145845A1
The invention relates to a circuit for detecting a creeping short circuit in bridge circuits (10). The circuit comprises a first capture device (30) for a power loss at a battery-side connection (21) of the bridge circuit (10) to a first...  
WO/2018/141773A1
A complex current measurement circuit for determining a complex sense current of a guard-sense capacitive sensor operated in loading mode includes a periodic signal voltage source (1), a differential transimpedance amplifier circuit (DTA...  
WO/2018/143543A1
A high-voltage measurement circuit comprises: a relay unit for measuring the voltage between a first high-voltage terminal and a second high-voltage terminal and transmitting the same; a voltage distributing unit for converting, into sen...  
WO/2018/137912A1
The invention relates to a circuit for monitoring a supply voltage (VDD5) for an electronic device. The circuit comprises a first reference voltage source (31) which generates a first reference voltage (VR1); a comparison device (1) whic...  
WO/2018/135769A1
Disclosed is a power supply system having a detection system for determining current imbalance and over-current states in a DC-DC voltage converter. The detection system is provided with a detection circuit which outputs a first diagnost...  
WO/2018/135129A1
A management system (301) is equipped with: a magnetic sensor (111) that is provided corresponding to a welding device (101); and a management device (201) that performs processing relating to welding operations. The magnetic sensor (111...  
WO/2018/131746A1
The objective of the present invention is to provide a relay-welding detection device and detection method, the device and method capable of determining, whether a relay is welded, by using an analog-digital converter (ADC). Another rela...  
WO/2018/131769A1
The present invention relates to a device for controlling a power factor and a method for controlling a power factor which control a power factor by using phase control, and the present invention has an effect of performing power factor ...  
WO/2018/131797A1
Disclosed is a real-time detection/recovery system of a power line failure in a power distribution system, which immediately alerts, shuts off, and recovers power in real-time when a disconnection, a resistance increase, a contact failur...  
WO/2018/126314A1
There is provided a power connector system for electrically connecting a power source to a device. The power connector comprises a first component and a second component which each have a plurality of electrical contacts disposed on a fa...  
WO/2018/129408A1
The present disclosure describes a system and method for encoding pulses of light for LiDAR scanning. The system includes a sequence generator, a light source, a modulator, a light detector, a correlator, and a microprocessor. The sequen...  
WO/2018/120907A1
An electricity generation data acquisition Internet-of-things uploading circuit, comprising: a first sampling resistor R1, a second sampling resistor R2, a first ordinary resistor R3, and a second ordinary resistor R4, a first adjustable...  
WO/2018/122041A1
The present invention relates to the field of apparatuses and methods for determining or measuring current. In order to present a solution which enables a lower outlay on apparatus and improved stability with regard to failure with respe...  
WO/2018/121371A1
A switch-mode power supply and a voltage sampling circuit thereof are provided. The voltage sampling circuit comprises: a sampling and holding module (10), having a sampling input end (IN), a sampling output end (OUT), and a sampling con...  

Matches 1 - 50 out of 29,219