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Patent Searching and Data


Matches 1 - 50 out of 12,267

Document Document Title
WO/2018/010084A1
An ESD detecting device, integrated circuit, and method applicable in a digital integrated circuit. The device of the present application comprises: check reading control module, configured as to launch a read operation with respect to a...  
WO/2018/010183A1
A surge protection circuit (200) and a mobile terminal (600), the surge protection circuit (200) being connected to a charge-discharge management unit (300), the surge protection circuit (200) comprising a voltage stabilizing circuit (21...  
WO/2018/008832A1
According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a s...  
WO/2018/000563A1
An AC/DC hybrid power system and a DC-side fault protection method. The system comprises an AC power supply (01), an AC bus (02), an AC feed line (03), an AC switch (04), an AC/DC conversion device (05), an arc extinguishing device (06),...  
WO/2018/004242A1
An electrical overload protection device is provided. An electrical overload protection device according to an embodiment of the present invention comprises: a filter part for filtering a high-frequency signal; a protection part having a...  
WO/2018/005664A1
An antenna unit for monitoring the RF transmission line and RF signal path to an antenna unit used in a distributed antenna system. The antenna has a resistor connected to ground, and a DC injector including a capacitor having a first si...  
WO/2018/002966A1
Provided is a polymer lighting arrester, comprising: a non-linear resistor; two electrodes (14a) arranged on the outside of both axial direction ends of the non-linear resistor and having rod-receiving holes (20) formed therein; insulati...  
WO/2017/215015A1
A chip ESD protection circuit, comprising an integrated circuit layer and a conductive layer (1), wherein first ground pads (21, 23) connected to a first ground line (31) of a first power domain (51) are respectively arranged on the firs...  
WO/2017/216071A1
The present disclosure relates to a braking resistor (1; 1'; 1") for a high voltage substation. The braking resistor (1; 1'; 1") comprises a support structure (3), a support insulator (5), the support structure (5) being configured to su...  
WO/2017/218810A1
Described examples include methods, integrated circuits (110) and switch circuits (100) including a driver circuit (116) and a silicon transistor or other current source circuit (102) coupled with a gallium nitride (GaN) or other high el...  
WO/2017/215509A1
A switching apparatus for a residual-current circuit breaker, comprising: an A-type residual-current detection drive circuit (102), a B-type residual-current detection drive circuit (104), a switching power supply (106), a trip execution...  
WO/2017/215424A1
A railway signal cable grounding system, comprising a railway signal cable (10), a through ground wire (20) and surge protection devices (30), the number thereof is equal to the number of segments of the railway signal cable. One end of ...  
WO/2017/213841A1
Transient suppression circuit arrangements are disclosed. In one implementation of a transient suppression circuit, at least one avalanche diode is coupled in series with a DIAC, a silicon diode for altemating current (SIDAC) device or S...  
WO/2017/207994A1
This application relates to monitoring of electronic devices (100) and in particular to methods and apparatus for the detection and recording of an electrical overstress applied to a connector (101, 102) of the device. The apparatus desc...  
WO/2017/207959A1
This application relates to monitoring of electronic devices(100)and in particular to methods and apparatus for the detection and recording of an electrical overstress applied to a connector (101, 102) of the device. The apparatus descri...  
WO/2017/207691A1
A luminaire (10) is disclosed with built-in surge protection. The luminaire comprises an electrically conductive structure including a carrier (11) carrying at least one active circuit component (15, 16) and a shielding element (13) at l...  
WO/2017/209620A1
The invention relates to an overvoltage protection circuit (106, 300, 501, 604, 703, 800) comprising: i) a first terminal (V+) and a second terminal (V-) for receiving a supply voltage (VL) at a load (103); ii) a voltage clamping circuit...  
WO/2017/207329A1
A lighting driver (600, 800, 900) receives an AC Mains voltage (15), employs a rectifier (630, 830, 930) to produce a rectified voltage, and supplies an output current (665) to a lighting device (20) in response to the rectified voltage....  
WO/2017/202569A3
The invention relates to a primary-pulsed switching power supply (1) for converting an input voltage (Ue) into an output voltage (Ua), comprising at least: - a fuse (5) arranged in the circuit branch (2) on the primary side, which is des...  
WO/2017/204097A1
[Problem] To suppress current flowing to a contact of a relay when grounding a device to be grounded by connecting the contact of the relay, and to suppress arc discharge between relay contacts when the grounding state of the device to b...  
WO/2017/202569A2
The invention relates to a primary-pulsed switching power supply (1) for converting an input voltage (Ue) into an output voltage (Ua), comprising at least: - a fuse (5) arranged in the circuit branch (2) on the primary side, which is des...  
WO/2017/201542A1
A modular distribution block for a high-current power system includes: a ground module and one or more phase modules. The ground module includes a grounding clamp configured to electrically and mechanically connect to a DIN rail and to r...  
WO/2017/200963A3
Systems and methods for regulating a short circuit current associated with an energy storage system are provided. In one embodiment, an energy storage system can include an energy storage device and a switching power supply coupled to th...  
WO/2017/200758A2  
WO/2017/200469A1
In a multi-phase power grid fed by a power source, earth fault (460) is located by means of a power supply source synchronized with the power grid, which is connected between a zero point of the grid and earth. In a fault current compens...  
WO/2017/198080A1
An arc-preventing fast-breaking surge protection apparatus, comprising an arc-preventing assembly formed by an elastic component (3) and an arc-preventing ejector (4), a voltage-sensitive assembly, a response switch assembly, a thermosen...  
WO/2017/198062A1
The invention discloses a saturated core type superconducting current limiter and a Dewar. The Dewar comprises: an inner cylinder and an outer cylinder. The side wall of the outer cylinder is provided with a first inner surface and a fir...  
WO/2017/200963A2
Systems and methods for regulating a short circuit current associated with an energy storage system are provided. In one embodiment, an energy storage system can include an energy storage device and a switching power supply coupled to th...  
WO/2017/193983A1
A coupling power fault current limiter, comprising an iron core (100) and a plurality of coils (200). The iron core comprises a plurality of iron core posts (101) which are connected in parallel. The plurality of coils comprises at least...  
WO/2017/196224A1
A method and a device for disconnection of faults in an electric network comprising a plurality of stations (14; 34; 38) connected in a loop, comprising feeding the loop from at least two feeding points(A, B) from a power source (17),ear...  
WO/2017/196649A1
The invention relates to a novel approach for the protection of electrical circuits from ground faults and parallel and series arc faults in a fully solid-state circuit configuration. Solid-state circuits and methods of use are described...  
WO/2017/193982A1
A high temperature superconducting hybrid current limiter, comprising a group of high temperature superconducting modules (100), a current on-off valve (200), an elastic connecting device (300), a current limiting circuit (400), and a gr...  
WO/2017/190782A1
The invention relates to a converter arrangement (1) having a converter (2) which can be switched between an AC voltage supply system and a DC voltage circuit and which has power semiconductor valves that extend between AC voltage connec...  
WO/2017/185200A1
An interface protection circuit for a movable storage device, comprising an overvoltage and overcurrent protection circuit (1), an electrostatic surge protection circuit (2), a power supply management circuit (3), and a main control chip...  
WO/2017/185894A1
An electrostatic discharge circuit, an array substrate, and a display device. The electrostatic discharge circuit comprises a first signal line (10), a second signal line (20), and a first thin film transistor (40). The first thin film t...  
WO/2017/189331A1
An electrical system includes an input node (102) electrically connectable to a power supply (104). The system includes a plurality of voltage suppressors (106, 108, 200, 202), with at least one of the voltage suppressors electrically co...  
WO/2017/186028A1
A protection circuit and system of an electronic contactor. A power input end of a switch tube (1) of an electronic contactor is connected with a positive end of a power source, and a power output end is connected with a negative end of ...  
WO/2017/185847A1
An overcurrent and overvoltage protection device and a method. The device comprises a transient suppressing diode TVS and a self-resettable fuse PTC. The TVS is thermally coupled with the PTC to thereby solve the problem of poor reliabil...  
WO/2017/186456A1
The invention relates to an electric protective device (1). Said protective device (1) comprises: a grounding switch (3) that includes two electric contact terminals (7, 9) and at least one movable contact element (11, 13) for establishi...  
WO/2017/182267A1
The invention relates to an arrangement for overload protection for overvoltage protection equipment, consisting of at least one type II overvoltage arrester with or without a thermal disconnecting device that responds in the case of ove...  
WO/2017/181806A1
A switching-mode power supply lightning protection apparatus and a switching-mode power supply. The lightning protection apparatus comprises a lightning protection circuit (1), a current limiting circuit (2), a rectifier circuit (3) and ...  
WO/2017/178470A2
The invention relates to a module (10) for an explosion-proof luminaire (22) or for another explosion-proof electric device. The module (10) is designed to convert each non intrinsically safe input power on an input (11) into respectivel...  
WO/2017/178470A3
The invention relates to a module (10) for an explosion-proof luminaire (22) or for another explosion-proof electric device. The module (10) is designed to convert each non intrinsically safe input power on an input (11) into respectivel...  
WO/2017/179413A1
Provided is a relay device, which is capable of performing switching between on and off of an energizing path between electricity storage units, and which is capable of performing, in the cases where abnormalities, such as short-circuiti...  
WO/2017/177429A1
An apparatus may include a transient voltage suppression (TVS) device array coupled to a first input terminal and a second input terminal; and a linear regulator module having a pair of inputs connected to a respective pair of outputs of...  
WO/2017/167079A1
Provided are a power supply circuit and a negative surge protection method. The method comprises: detecting whether a current direction of an object under detection (311) in a power supply circuit (31) is abnormal (S901); sending a contr...  
WO/2017/167514A1
The invention relates to a circuit arrangement for protecting loads (7) connected to a multi-phase network (L1; L2; L3), having an undervoltage and overvoltage switch-off function, transient overvoltage protection, and network reconnecti...  
WO/2017/161983A1
A surge protector and a gas discharge tube (31) used by the surge protector. The gas discharge tube comprises an insulated tube (21) and electrodes (22, 32) sealingly connected to two openings (13) at the end of the insulated tube. An ex...  
WO/2017/159282A1
This ESD protection device (101D) is provided with: a first terminal (T1) and a second terminal (T2) which constitute first balanced ports; a third terminal (T3) and a fourth terminal (T4) which constitute second balanced ports; and a gr...  
WO/2017/157539A1
The invention relates to a method for operating an active bridge rectifier, which is connected to an electric machine (20), which can be operated as a generator, in an electric system of a motor vehicle by means of phase connections (U-Y...  

Matches 1 - 50 out of 12,267