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Patent Searching and Data


Matches 101 - 150 out of 12,985

Document Document Title
WO/2020/001600A1
Disclosed are a surge protection power supply clamping circuit, a chip and a communication terminal. The power supply clamping circuit comprises at least one driving unit and discharging unit; the discharging units are connected to the c...  
WO/2020/002675A1
The invention relates in particular to a device (100) for protecting a power component (Q1, Q11), the protection device (100) being in branched connection between the current input terminal (D) and the current output terminal (S) of said...  
WO/2020/005420A1
A circuit for electrostatic discharge (ESD) protection for wide frequency range multi-band interfaces. The interface may be split into a plurality of signal paths. Each signal path may include an ESD protection circuit configured to shun...  
WO/2020/004819A1
The present invention relates to an ultra-capacitor module comprising: a cell assembly in which a plurality of ultra-capacitors are electrically connected; a cell management device for outputting digital signals related to operations of ...  
WO/2020/002050A1
The invention relates to power electronics (5) for a motor vehicle, more particularly a motor vehicle that can be electrically driven, having an electrical high-voltage network, which has one or more capacitors and/or electrical consumer...  
WO/2019/245724A1
A solid-state circuit breaker and method of use. The circuit breaker includes current and voltage sensors, a power converter, and a digital signal processor. The digital signal processor operates the power converter between three operati...  
WO/2019/243229A1
The present invention relates to an input circuit (ES) for a power supply. An input voltage (Ue) of the input circuit (ES) is converted into an output voltage (Ua) of the input circuit (ES) by means of periodic switching of a switch elem...  
WO/2019/245185A1
An electronic apparatus is provided. The electronic apparatus according to an embodiment includes a main circuit unit, a power source supplier configured to generate power, and supply the generated power to the main circuit unit, and a s...  
WO/2019/243310A1
The invention relates to an electromechanical motor vehicle power steering system comprising a multiphase permanently excited electric motor (9) which can be operated via a controller (12) and supply lines (13+, 13-) of an electrical sys...  
WO/2019/238370A1
The invention relates to a protective device (100) for overcurrent- and overvoltage-protected energy transmission from a bipolar voltage terminal (101) to an electrical load (103), said device comprising: a first fuse circuit (105) which...  
WO/2019/238369A1
The disclosure relates to a protection device (100) for transferring energy from a two-pole voltage terminal (101) to an electrical load (103). A first fuse circuit (105) is designed to interrupt the flow of a line current from the volta...  
WO/2019/239713A1
Provided are a semiconductor integrated circuit device and an electromagnetic coil drive device using the same which enable a reduction in size while ensuring resistance to surge energy. The electromagnetic coil drive device comprises sw...  
WO/2019/236308A1
A method and apparatus to reduce communication device peak current for alert tones are disclosed. A portable device may include a processor coupled to a transceiver, a current limit trigger circuit, and an alert tone current limit contro...  
WO/2019/233969A1
A LED driver comprises two output contacts (310, 311) and an additional contact (312) which enables detection of connection of the LED driver to a LED module (301). The LED driver has a normal current regulating mode and an open circuit ...  
WO/2019/236652A1
A surge protection module configured to limit power surge exposure to an electrical device may include a carrier defining a first end and a second end opposite the first end and a longitudinal axis extending between the first end and the...  
WO/2019/234401A1
The present application relates to a high voltage direct current (HVDC) circuit breaker (10, 20, 30, 40, 50) to interrupt a direct current in a current path (5). The circuit breaker comprises a first switch (1) having a disconnecting con...  
WO/2019/236510A1
A resonant turn-off circuit is provided to disconnect an inadequate power source and transfer a load to an alternate power source. In the circuit, a main switch is turned off before the AC cycle of the power source crosses zero. As a res...  
WO/2019/227873A1
The present invention provides a power failure protection control method for a permanent magnet synchronous motor control system, a power failure protection control device, and a permanent magnet synchronous motor control system. The pow...  
WO/2019/231759A1
A surge suppression circuit for a track circuit is provided. The surge suppression circuit comprises a first surge protection device including a first pair of silicon avalanche diodes and a second surge protection device including a seco...  
WO/2019/231673A1
In one example, an electrostatic discharge (ESD) protection circuit includes a first power supply having a first supply voltage, wherein the first power supply is connected to a first node. The ESD protection circuit also includes a seco...  
WO/2019/225509A1
[Problem] To provide a power source input circuit with which oscillation associated with an input current can be smoothly alleviated. [Solution] Provided is a power source input circuit comprising: a current detection resistor 21 for det...  
WO/2019/218423A1
Disclosed in the present invention are a flux linkage control-based transformer and a magnetizing inrush current suppression method. A small-capacity DC/AC converter is connected to a secondary winding or auxiliary winding of the transfo...  
WO/2019/217609A1
A protection device (100) includes a dynamic gate bias circuit (110). The dynamic gate bias circuit (110) includes an input pass switch (MN1) configured to receive a first input VIN (102) and a first control signal VINT (119); a voltage ...  
WO/2019/185559A3
The disclosed technology generally relates to electrical overstress protection devices, and more particularly to electrical overstress monitoring devices for detecting electrical overstress events in semiconductor devices. In one aspect,...  
WO/2019/212730A1
A system (100) for indicating a service need for a surge protector includes a surge protection component. The surge protection component (118) conducts electrical power from the power source to a load when the electrical power has a volt...  
WO/2019/211361A1
Described is a protection circuit against electrostatic discharges for connecting pins of an application-specific integrated circuit, said protection circuit comprising a first connecting pin and a second connecting pin which are interco...  
WO/2019/210768A1
Disclosed is a method for rapidly eliminating the ferromagnetic resonance of a voltage transformer. The method involves: first sampling a three-phase voltage and an open-delta voltage of a voltage transformer; calculating a magnetic link...  
WO/2019/208473A1
This power consumption device is made to consume power until a current flowing through a power consumption element (for example, a resistance element) reaches a prescribed upper limit. A monitor voltage conversion unit 20 converts a volt...  
WO/2019/206658A1
The invention relates to a surge arrester (1) having a socket (10) for receiving a cable (8) (e.g. in order to electrically connect the surge arrester to a transformer). The surge arrester has a contact (13) for contacting a cable (8) th...  
WO/2019/206570A1
The invention relates to a grid influencing system of an electricity grid (4), comprising a current-conducting grid influencing component (6) and a short-circuiting device (8) that includes a circuit breaker (10). The invention in charac...  
WO/2019/205863A1
A surge protector module, comprising line varistors (4a, 4b) connected in series and a heat detaching unit (5). The heat detaching unit comprises elastic members (503a, 503b), insulating members (504a, 504b), alloys having a low melting ...  
WO/2019/205864A1
The present application discloses a novel thermally protected varistor, comprising a detachment device, a first varistor assembly, and a second varistor assembly. The first varistor assembly and the second varistor assembly are connected...  
WO/2019/206564A1
The invention relates to a method for reducing a thermal load on a switching element (SE) of an electronic fuse (SI) when switching on a load (L), said switching element being actuated by an actuation signal (AS) with a specified actuati...  
WO/2019/206964A1
The invention relates to a method for reducing a temperature increase in a switching element (SE) of an electronic fuse (SI) when switching on a load (L). The switching element (SE) is actuated by an actuation signal (AS), by means of wh...  
WO/2019/201356A1
A saturable reactor, a parameter tuning method and apparatus therefor, and a simulation device. The saturable reactor comprises: a main saturable reactor (10); a parallel branch circuit (20), comprising: a branch circuit resistor (21) an...  
WO/2019/197400A1
The invention relates to a fan filter device (3) that can be connected to a power supply unit (2), and a method for operating such a fan filter device (3). The fan filter device (3) comprises a fan unit (5), a filter receptacle (14), an ...  
WO/2019/196164A1
A surge protection circuit and apparatus for a ground resistance tester (10). The surge protection circuit comprises: a first clamping module (21), a second clamping module (22), and a third clamping module (23). By connecting the first ...  
WO/2019/197556A1
Protection device for protection against electromagnetic disturbances in electrical networks (200), the protection device (100) comprising an electromagnetic filter (1). The electromagnetic filter (1) comprises a first and a second input...  
WO/2019/192222A1
Disclosed is a power supply method suitable for a lightning arrester device, the lightning arrester device comprising: a lightning arrester body (101) and a grounding valve plate (102), wherein the lightning arrester body (101) is connec...  
WO/2019/192225A1
A lightning arrester, comprising: a lightning arrester body (101); a monitoring device configured to detect the condition that the lightning arrester body is subjected to electric shock; a grounding valve disc (102) connected between the...  
WO/2019/193059A1
The invention relates to a thermal protection device (100) comprising a housing (1) defining at least one cavity. In the housing a varistor (2) is partly embedded. The varistor comprises a contact surface (12). Furthermore, the housing c...  
WO/2019/192223A1
An arrester system, comprising: an arrester body (101); a monitoring device, used for detecting a case where the arrester body is subjected to an electric shock (101); a grounding valve plate (102), connected between the arrester body (1...  
WO/2019/193055A1
The invention relates to a thermal varistor protection device (1), comprising a casing (10), a varistor (2) embedded in the casing (10), wherein the varistor (2) comprises a first metallization electrode (21), which is only partly covere...  
WO/2019/185559A2
The disclosed technology generally relates to electrical overstress protection devices, and more particularly to electrical overstress monitoring devices for detecting electrical overstress events in semiconductor devices. In one aspect,...  
WO/2019/184421A1
A sliding door control circuit, comprising a main control chip and a motor, and further comprising a protection circuit provided between the main control chip and a state switch of the sliding door; the main control chip acquires the lev...  
WO/2019/182653A1
A wireline release tool (700) for downhole intervention, the tool (700) including a housing (701) having an electrical input (702) and an electrical output (704); a pass-through switch (212) located inside the housing (701) and electrica...  
WO/2019/179139A1
Disclosed are a method and apparatus for determining the maximum output power of a high voltage generator. The method comprises the following steps: acquiring the residual power of at least one storage battery in a high voltage power sup...  
WO/2019/179624A1
A circuit arrangement for decaying of a transient current flow between a first point and a second point on a neutral line of a high-voltage direct current (HVDC) power transmission system is provided. The circuit arrangement may include ...  
WO/2019/176316A1
Provided is a control device for an on-vehicle apparatus, in which fluctuation of a ground potential is suppressed, and damage due to deviation of earth current can be suppressed when a ground part of a vehicle has an abnormality. The co...  
WO/2019/176299A1
Provided is a control device for an on-vehicle apparatus, in which fluctuation of a ground potential is suppressed, and damage due to deviation of earth current can be suppressed when a ground part of a vehicle has an abnormality. The co...  

Matches 101 - 150 out of 12,985