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Patent Searching and Data


Matches 1,101 - 1,150 out of 12,855

Document Document Title
WO/2009/055853A1
A fault current limiter designed for connection into a medium voltage, high voltage, or extra-high voltage substation or other high voltage source such as a generator station, the limiter including: a ferromagnetic circuit formed from a ...  
WO/2007/005472A3
An ESD device invention comprises first and second transistors formed in a substrate, each having a source, a drain and a gate, the source and drain of the first transaction being connected between ground and an I/O pin or input, the gat...  
WO/2009/032070A3
A method of connecting a superconducting fault current limiter to an alternating current generator to limit a current flowing in the generator is disclosed. A superconducting fault current limiter is connected in proximity with the gener...  
WO/2009/053454A1
Apparatus for operation of a circuit arrangement (CIR), wherein the apparatus has a current limiting unit which acts as a current limiting element and comprises a PTC resistor (PTC).  
WO/2009/000809A3
The invention relates, inter alia, to a rail vehicle (10) with a wagon body (60) and with contact means (20, 30, 40, 50) which are connected to the wagon body and which remain in contact with at least one rail (15) on the track side duri...  
WO/2006/122192A3
A universal termination system (700) is provided for power tools. The universal termination system includes criteria for each of the main switch platforms that define the number, type, location and orientation of the terminations (702,70...  
WO/2006/093830A3
The application discloses novel internal structures of energy conditioners, assemblies of external structures of energy conditioners and mounting structure, and novel circuits including energy conditioners (700) having A, B, and G master...  
WO/2009/010949A3
A system (300) to connect an electrical device (39) to a switch (34) which connects or disconnects the device to the power source (32), and providing power to the charger and/or another operational circuit of the device, for example, kee...  
WO/2007/053272A3
An integrated circuit (300/400) includes first and second power domains and a bank of input/output (I/O) cells (305/405) coupled to the first and second power domains. The bank of I/O cells (305/405) includes a first plurality of active ...  
WO/2009/052517A2
A surge suppression device may include a housing having a cavity, a center conductor positioned within the cavity, a spiral inductor having an inner curve coupled to the center conductor and an outer curve, a coil capture device connecte...  
WO/2006/099297A3
Disclosed are novel internal structures of energy conditioners (700) having A, B, and G master electrodes (702,703,704). Certain internal structures have conductive layers of A and B master electrodes in the same plane, and conductive la...  
WO/2006/093831A3
The application discloses energy conditioners that include A, B, and G master electrodes (1,20 and 40) in which the A and B electrodes include main body electrodes with conductive paths that cross inside the energy conditioner.  
WO/2007/021390A3
An ESD protection structure (108) situated in a semiconductor die includes a FET (120) including a gate (128) and first and second active regions (134, 136), where the gate includes at least one gate finger (130, 132), and where the at l...  
WO/2009/047748A2
Apparatus for continuously protecting current transformers (106) from hazardous voltages due to open circuit in a secondary winding (105), which comprises solid state non-linear elements (103) with voltage dependent conductivity, connect...  
WO/2009/043373A1
A drive unit for at least one electric motor, the drive unit comprising: a power source (1 ) producing direct current to the motor, an energy storage (C1 ) arranged at the output of the power source for storing energy recovered during br...  
WO/2009/043364A1
The invention relates to a protective circuit (10) for the input-side protection of an electronic device (30) operating in the maximum frequency range from high-power interfering impulses in the working frequency range of the device (30)...  
WO/2009/035643A1
When a series protective element such as a transient blocking unit (TBU) is used in combination with a shunt protective element such as a gas discharge tube (GDT), firing of the GDT can cause a transient having the potential to damage th...  
WO/2009/006623A3
A resettable short-circuit protection circuit can terminate excessive fault currents automatically and quickly. The short-circuit protection circuit is switchable and has a low input impedance during normal operation so that there is not...  
WO/2009/030639A1
A circuit arrangement for protection against electrostatic charges comprises a dissipation element (AE) which is connected between a first and a second connection (K1, K2) of the circuit arrangement and has a control input via which the ...  
WO/2009/032070A2
A method of connecting a superconducting fault current limiter to an alternating current generator to limit a current flowing in the generator is disclosed. A superconducting fault current limiter is connected in proximity with the gener...  
WO/2009/026606A1
A method of dampening a transient in a DC biasing coil in a fault current limiter, the method including the step of: interconnecting a transient suppression circuit across the DC biasing coil, the transient suppression circuit being oper...  
WO/2008/116428A3
The wiring diagram facilitates under earth-fault condition to achieve optimal rise of the fault current watt component, which does not induce a zero voltage component drop below the set limit. The principle is based on automatic switchin...  
WO/2009/020882A1
A MEMS (Microelectromechanical system) device is described. The device includes an array of MEMS elements with addressing lines and MEMS switches configured to selectively connect the addressing lines to a ground or other potential in th...  
WO/2009/018036A1
The present invention is directed towards a discrete protection circuit located on a circuit card, and systems and methods related thereto. The protection circuit protects circuit card components from an inrush current and overcurrent co...  
WO/2008/005463A3
A powered device includes a voltage protection circuit, two outputs, a switch, and a snubber circuit. The two outputs of the integrated circuit maybe coupled to an external transformer. The snubber circuit of the integrated circuit is re...  
WO/2009/014765A1
A transient blocking unit (TBU) is a transistor circuit that is normally on, but rapidly and automatically switches to a high-resistance current blocking state when a current threshold is exceeded, thereby protecting a series connected l...  
WO/2009/010715A1
A superconducting fault current limiter (10) comprises a former (12) and at least one superconducting wire (14). The former (12) has first and second helical grooves (16, 18) extending from a first end (20) of the former (12) to a second...  
WO/2009/010949A2
A system (300) to connect an electrical device (39) to a switch (34) which connects or disconnects the device to the power source (32), and providing power to the charger and/or another operational circuit of the device, for example, kee...  
WO/2008/140497A4
A low power circuit 100 and method for detects in-situ failures or precursors to failures in solder- joint networks 91 on actual operational devices and packages in the field. An amplifying detector 102 such as provided by a common- gate...  
WO/2008/135019A3
The invention relates to a device for protecting data lines against overvoltages, comprising a housing (6) having a plurality of inputs for data lines (1-4), a plurality of outputs for data lines (1-4), and an input for a shield (5) conn...  
WO/2009/006666A1
A method of suppressing induced steady state and transient currents and voltages in the DC circuit and coil of a magnetically saturated core fault current limiter, the method including the steps of: (a) providing a first current coil con...  
WO/2009/006623A2
A resettable short-circuit protection circuit can terminate excessive fault currents automatically and quickly. The short-circuit protection circuit is switchable and has a low input impedance during normal operation so that there is not...  
WO/2008/137071A3
An industrial process field device (200) is provided. The device (200) includes wireless process field device electronics (412; 512; 612; 712; 812) disposed within the industrial process field device (200) and at least one battery cell (...  
WO/2008/128525A3
The invention relates to a power screwdriver (10) comprising a motor (12) and a control circuit (22) which switches the motor (12) off by means of a switch-off signal (s_Stop) when it reaches a preset desired torque value (Md_Soll), and ...  
WO/2008/155729A1
An ESD protection circuit comprises a first supply line (VDD), a second supply line (Vss), an ESD protection device, preferably being configured as a transistor (MP), which is connected between the first and second supply line (VDD, VSS)...  
WO/2008/088755A3
A DC high power distribution system provides power to a load in parallel with one or more storage capacitors. The system includes a hot-swap controller and an array (24) of parallel-connected transistors connected in series between a DC ...  
WO/2008/121430A3
A superconducting electrical cable system is configured to be included within a utility power grid having a known fault current level. The superconducting electrical cable system includes a non- superconducting electrical path interconne...  
WO/2008/027663A3
An integrated circuit includes a first I/O cell (201) disposed at a substrate, the first I/O cell including a first electrostatic discharge (ESD) clamp transistor device (230). The first ESD clamp transistor device includes a control ele...  
WO/2008/141595A1
The invention relates to a protective circuit for protecting electronic assemblies. In order to provide as reliable and low power-loss protective circuit as possible, according to the invention said circuit comprises a current-limiting c...  
WO/2008/142421A1
An electrical circuit comprising a power supply, a load, a pair of parallel positive cables between the power supply and the load, a pair of parallel negative cables between the load and the power supply, and incendive arc prevention mea...  
WO/2008/140061A1
A power supply unit in which influence of a surge voltage can be avoided through an inexpensive and simple arrangement. The power supply unit comprises a battery (10) for supplying a DC voltage to a power supply point Q1, an alternator (...  
WO/2008/140497A1
A low power circuit 100 and method for detects in-situ failures or precursors to failures in solder- joint networks 91 on actual operational devices and packages in the field. An amplifying detector 102 such as provided by a common- gate...  
WO/2008/137071A2
An industrial process field device (200) is provided. The device (200) includes wireless process field device electronics (412; 512; 612; 712; 812) disposed within the industrial process field device (200) and at least one battery cell (...  
WO/2008/135019A2
The invention relates to a device for protecting data lines against overvoltages, comprising a housing (6) having a plurality of inputs for data lines (1-4), a plurality of outputs for data lines (1-4), and an input for a shield (5) conn...  
WO2008046062A8
Devices, such as mobile devices, may be exposed to short circuit and output overload events. To protect against such events, mobile devices typically include circuitry to limit currents so as not to exceed a pre-programmed current limit....  
WO/2007/117480A3
A power supply providing current interruption based on the energy from the supply over a sliding window of time is disclosed. The output current from the supply is periodically reestablished.  
WO/2008/131795A1
The invention relates to an illumination device having an inrush current limiting circuit (D1-D4, R, M) integrated in a connecting terminal (AK).  
WO/2007/056668A3
Resettable circuit interrupting devices, such as GFCI devices, that include reverse wiring protection, and optionally an independent trip portion and/or a reset lockout portion are provided. The reverse wiring protection operates at both...  
WO/2008/130891A1
A stacked gate-coupled N-channel field effect transistor (GCNFET) electrostatic discharge (ESD) protection circuit involves a stack of stages. Each stage has an NFET whose body is coupled to its source. A resistor is coupled between the ...  
WO/2008/128525A2
The invention relates to a power screwdriver (10) comprising a motor (12) and a control circuit (22) which switches the motor (12) off by means of a switch-off signal (s_Stop) when it reaches a preset desired torque value (Md_Soll), and ...  

Matches 1,101 - 1,150 out of 12,855