Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 951 - 1,000 out of 9,103

Document Document Title
WO/2002/049049
The present invention relates to a high voltage transformer (e.g. for CRT display units) with an over voltage protection (OVP), comprising a primary, low voltage winding, a secondary, high voltage winding, and an over protection circuit,...  
WO/2002/037512
A varying voltage is applied to a conductive winding (61) that magnetically interacts with a magnetic body (60). The varying voltage causes the voltage induced in the winding to have such waveform and magnitude that the integral over tim...  
WO/2002/035578
An electrical lighting system (1) having a lampholder (3) and a lamp (2), preferably a high intensity discharge lamp. Both the lamp and lampholder have respectively an electrical winding (55, 32) wound on an electromagnetic core (58, 33)...  
WO/2002/025616
The invention relates to an inductive transformer for transmitting energy between two components (1, 2) which can move in relation to each other, comprising at least one primary (3, 5) and at least one secondary transformer part (4, 6). ...  
WO/2002/023301
A transformer (90) includes taps (96a, 96b, 96c) by which electrical contact can be made to winding section (90a, 90b, 90c) of the transformer (90) at locations along its length between its end terminals. A first switch (94) permits cont...  
WO/2002/023707
A transformer (24) includes a first winding (28) and a second winding (30) coupled to the first winding (28) through a magnetic circuit so that current through the first winding (28) induces a voltage across the second winding (30). The ...  
WO/2002/023561
An electromagnetic device and a high-voltage generating device which are thin and have excellent performances, wherein a magnetic core (3) is formed into a columnar shape by using a large-resistivity ferrite material. Winding is formed b...  
WO/2002/019350
An inductor comprising a core, wherein the inductor is produced by the steps of: defining physical parameters of the core of the inductor, the physical parameters including dimensions of the air gap; defining a plurality of branches of t...  
WO/2002/016825
A socket and a transformer for lamp, wherein a separation preventing means for a core inserted into the center hole of a bobbin is provided at a high-voltage side terminal, whereby the core can be surely fixed at a specified position dur...  
WO/2002/017335
A transformer for ignitor having primary and secondary windings wound on a bobbin, wherein a plurality of disk-shaped partition walls projecting radially all around the periphery and forming the multiple stages of winding grooves are ins...  
WO/2002/013213
The invention concerns a beacon system, in particular for the landing strip in an airport, comprising a power source (10) supplying a constant current to a primary circuit (12) and a plurality of beacon lights (14-1 to 14-6) each connect...  
WO/2002/007083
The invention relates to a wireless communication device that attaches using magnetic force in whole or part to an article of manufacture, or other material having a magnetic surface portion. The wireless communication device contains a ...  
WO/2001/095349
The invention provides a low voltage lighting assembly (10) which includes a power track (12) to which a plurality of low voltage light bulbs or lamps (18) are attached. The lighting assembly (10) further includes a transformer (13) for ...  
WO/2001/088931
The invention relates to an inductive translator composed of two spools (1, 2) with respective cores (3, 4), said cores (3, 4) being capable of moving in relation to each other. The translator comprises two integrated systems for a simul...  
WO/2001/086670
The current transformer includes a primary current conductor (10), wherein there are two current loops (30, 40) connected in parallel and essentially circular in shape and at least one gradiometer (50, 60) shaped essentially as a planar ...  
WO/2001/080444
The invention relates to a device for transferring electrical energy or signals between a base station (1) and several external units (2) which can be coupled to the base station in various positions in a contact-less manner. The inventi...  
WO/2001/080443
Disclosed is an arrangement for contacless transmission of electric signals or energy between several external mobile units (1, 2, 3) which can be connected to discrete positions of a stationary base unit. The invention is characterized ...  
WO/2001/080442
Disclosed is an array for contactless transmission of electrical signals or energy from at least one transmitter to several receivers. The invention is characterized in that each transmitter contains an alternating current source or a so...  
WO/2001/078458
A method and apparatus for heating substances such as beverages, soups, chemicals, etc., with heat produced by circulating electrical eddy currents. A magnetic flux generating base (20) produces a varying magnetic field by using an elect...  
WO/2001/078216
A flux generator base unit (20) electromagnetically coupled with a receiving unit to transfer energy into the receiving unit. The base unit (20) includes one or more permanent magnets (42) that produce a magnetic flux, which passes throu...  
WO/2001/071882
The invention relates to an electric suspended conveyor or a similar conveyor which is provided with transport units on a running rail. Said units can be driven by means of an electric drive. Energy is advantageously transmitted to the u...  
WO/2001/069271
The invention relates to an instrument transformer, in particular to a current transformer, comprising a primary winding, a secondary winding and a housing (1) for accommodating the secondary winding, the primary winding being wound onto...  
WO/2001/067471
An abnormal diagnosing device (20) mounted on an isolation transformer has an operation controller (27) for receiving a mutual induction signal generated in a primary coil (11) of the isolation transformer when a DC power from DC power s...  
WO/2001/067046
The invention relates to a system for generating electric energy from a magnetic field. Said system is characterized by a three-dimensional winding system comprised of a central core (1, 2, 3, 22) that is made of a magnetically active ma...  
WO/2001/058751
An ROV comprising a topside (12), a fish (10) and an umbilical cable (14) for connecting the topside (12) and the fish (10) together. The fish (10) is adapted to be powered by an onboard battery (52) inductively coupled to the fish (10)....  
WO/2001/057891
The invention concerns a so-called galvanic insulation device for coupling two electrical circuits used both for transporting direct or low frequency current and for transmitting medium or high frequency signals. Said device comprises tw...  
WO/2001/054150
A conventional transformer used for a DC/AC inverter circuit for operating a discharge lamp has a structure where the primary and secondary windings are held between a pair of magnetic cores, the gap between which is formed by a spacer. ...  
WO/2001/046972
A transformer includes a bobbin with spacers extending inwardly from the bobbin and a barrier extending outwardly from the bobbin. A ferrite core positioned within the bobbin is separated by the spacers to provide a controlled air gap. P...  
WO/2001/038886
The invention relates to an arrangement for measuring an electrical variable on a high voltage line. An electrically conductive hollow body that can be connected to an earth potential is connected to a hollow insulating body in such a wa...  
WO/2001/037294
The invention concerns connection systems for a submarine acoustic antenna. It consists in connecting the antenna (201-206) to elements (102) of the sonar by an optical link. A removable transformer (210, 211) enables to separate galvani...  
WO/2001/031980
The invention relates to an electronic ballast for a discharge lamp, comprising a container with a wall, electronic components and at least one electroconductive element, which forms a connection between the individual electronic compone...  
WO/2001/027946
The invention relates to an interface module for a local data network comprising a series of inductive components (7,8) which connect the interface circuit (3, 4) to a data line (6). Said inductive components and in particular the transl...  
WO/2001/023243
The inventive model with an angle sensor technology, energy transmission and information transmission consists of at least two printed circuit boards (1, 2). One printed circuit board (1) forms the stator with regard to the angle sensor ...  
WO/2001/018829
The invention relates to a device for the displacement, in particular, the rotative or linear displacement of an active load (12) or any object on a support (5.1, 5.2), in particular, on a driven flange (6) or platform (15), comprising a...  
WO/2001/016995
An electroluminescent lamp (23) obtains electrical power from a secondary, self-contained wire or other coil (22). The self-contained coil is energized through mutual induction with a physically separated primary coil (21). The secondary...  
WO/2001/015187
Electrical switches are incorporated in electricity meters both to isolate the electricity supply during installation, commissioning and, in the case of a prepayment system, to cut off the supply to the user at the end of available credi...  
WO/2001/014894
An electronic circuit is formed on a printed circuit board which is configured as a current to voltage converter using a printed circuit track as a sensor (20), the sensor being placed in parallel with a primary current carrying conducto...  
WO/2001/001426
A dual-rated current transformer circuit (10) has a first current line (12) which delivers a first current (IA) and a second current line (14) which delivers a second current (IB). A current transformer (20) is coupled to both the first ...  
WO/2000/078100
A primary winding (1) and a secondary winding (2) are layered concentrically with a magnetic substance forming a main magnetic circuit (13) and the magnetic resistance of a subordinate magnetic circuit (14) placed between the primary win...  
WO/2000/077910
The invention relates to a method for the wireless supply of electric energy to a number of actuators (3.1 to 3.s). In said method, a medium-frequency, magnetic field, emitted by at least one primary winding (1, 1.1 to 1.p) is transmitte...  
WO/2000/077909
The invention relates to a system for a machine with a plurality of proximity sensors, especially an automated production machine. Each proximity sensor (3.1 to 3.s) comprises at least one secondary winding (2.1 to 2.s) that is suitable ...  
WO/2000/075936
An independent ignition type ignition coil for an internal combustion engine, comprising, arranged concentrically in a coil case (6) and with the innermost one mentioned first, a center core (1), a secondary coil (3) wound on a secondary...  
WO/2000/069231
The present invention discloses a transformer of a Tesla type, and energy supply means and particle accelerator devices comprising such transformers. An electrical transformer according to the invention comprises a primary winding (22), ...  
WO/2000/069035
A pulser with solid dielectrics including a pulse compressor (204) and pulse transformer apparatus (206), which is able to produce short bursts of electrical energy at high voltage utilizing a coaxial structure. Both the transformer (206...  
WO/2000/058135
A wireless rotating signal transducer. A control circuit is provided for transferring power and communication signals through a wireless coupling device (56) in a vehicle steering column. A squib firing circuit (62) transforms a high ene...  
WO/2000/054287
The invention relates to impregnating potting compounds for electrical components, said compounds consisting of epoxy resin, a hardener and a filler which is a mixture of one or several fillers from the following group: calcium carbonate...  
WO/2000/054558
An equalizer transformer and a ballast choke for use in a circuit arrangement for operating two or more lamps in parallel are integrated into one inductive component.  
WO/2000/042624
The invention relates to a high-voltage transformer consisting of conventional elements disposed in two different groups, namely positive voltage elements (1-5) and negative voltage elements (1'-5'), both types of elements being separate...  
WO/2000/038202
An apparatus for transferring energy across a connectorless interface is disclosed. The apparatus comprises a primary transfer device (150) and secondary transfer device (100). The primary transfer device (150) includes a primary power t...  
WO/2000/030132
The magnetic core (M) consists of a coiled ferromagnetic alloy strip whereby at least 50 % of the volume contains fine crystalline particles with an average particle size of 100 nm or less (nanocrystalline alloy). Its permeability is gre...  

Matches 951 - 1,000 out of 9,103