Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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05/02/2002 | EP1202297A2 High Q spiral inductor |
05/02/2002 | EP1202295A2 Magnetic core including bias magnet and inductor component using the same |
05/02/2002 | EP1200809A1 Device for measuring the contact pressure of a winding press element in an output transformer |
05/01/2002 | CN2489440Y Hollow current-limiting reactor |
05/01/2002 | CN2489439Y Copper bank iron core reactor |
05/01/2002 | CN2489438Y Power transformer |
04/30/2002 | US6380836 Coil device and switching power supply apparatus using the same |
04/30/2002 | US6380834 Planar magnetic assembly |
04/25/2002 | WO2002033808A1 Stacked sheet metal laminate |
04/25/2002 | WO2002033711A1 Inductor arrangement |
04/25/2002 | US20020048872 Multilayer LC composite component and method for adjusting frequency characteristics of the same |
04/25/2002 | US20020048630 Constructed to prevent corners from peeling and raising off a substrate; has a spiral configuration and includes straight lines and corners connected to the straight lines. |
04/25/2002 | US20020048159 Surface-mountable impedance device |
04/25/2002 | US20020047616 Transformer device, high voltage generating apparatus having the same, and lighting system having them |
04/25/2002 | US20020047441 Rotating electrical machine with high-voltage winding and cast compound supporting the winding and method for manufacturing the same |
04/25/2002 | US20020047440 Rotating electrical machine comprising high-voltage stator winding and spring-device supporting the winding and method for manufacturing such machine |
04/25/2002 | US20020047439 High voltage ac machine winding with grounded neutral circuit |
04/25/2002 | US20020047438 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same |
04/25/2002 | US20020047413 High voltage plants with electric motors |
04/25/2002 | US20020047268 Rotating electrical machine plants |
04/25/2002 | US20020046867 Insulated conductor for high-voltage windings and a method of manufacturing the same |
04/25/2002 | US20020046746 Ignition coil for internal combustion engine |
04/25/2002 | DE19932475C2 Induktives Bauelement Inductive component |
04/25/2002 | DE10052569A1 Foil winding for rotary transformer includes electrical ribbon conductor curled on itself, insulating coating covering conductor and connectors, each making electrical contact with the end of the conductor |
04/25/2002 | DE10051499A1 Plate lamella packet for electrical machines, has stacked plate lamellas and heat conducting layer mounted flat on plate lamella of thermal conductivity greater than that of plate lamellas |
04/25/2002 | DE10051157A1 Transformator für hohe Betriebsfrequenz und Leistung Transformer for high operating frequency and power |
04/25/2002 | DE10049751A1 Voltage supply arrangement for domestic appliances, especially washing machines and ovens, includes circuit board module equipped main terminal for domestic appliance |
04/24/2002 | EP1199795A1 Lc oscillator |
04/24/2002 | EP1199730A2 Transformer for high operating frequency and power |
04/24/2002 | CN2488154Y Plug-type outlet terminal resin insulated air immersed transformer |
04/24/2002 | CN1346499A Device for preventing explosions in electrical transformers |
04/24/2002 | CN1346137A Battery for hand curred device electricity recharge |
04/24/2002 | CN1083684C 印刷电路板 A printed circuit board |
04/24/2002 | CN1083356C Electric drive system for vehicles |
04/23/2002 | US6377157 Continuous multi-turn coils |
04/23/2002 | US6377153 Transformer apparatus for use in insulated switching power supply apparatus with reduction of switching noise |
04/23/2002 | US6377152 Bead inductor and method of manufacturing same |
04/23/2002 | US6377150 Apparatus and method for facilitating heat dissipation in an electrical device |
04/23/2002 | US6376912 Common mode choke coil of the conductor/insulator stacked type that uses a high machinability substrate and benzocyclobutene as the insulator |
04/23/2002 | US6376775 Conductor for high-voltage windings and a rotating electric machine comprising a winding including the conductor |
04/23/2002 | US6376772 Busbar bushing device and bar lead-in |
04/23/2002 | US6374480 Method and apparatus for making a transformer core from amorphous metal ribbons |
04/18/2002 | US20020044035 Electromagnetic actuator with molded connector |
04/18/2002 | US20020044022 Oscillator and an oscillator characteristic adjustment method |
04/17/2002 | EP1197974A2 Housing for an electronic component |
04/17/2002 | EP1196968A1 Coaxial laser pulser with solid dielectrics |
04/17/2002 | EP1196930A1 Sound-insulating device for an induction machine |
04/17/2002 | EP0868233B1 Electromagnetic joining or welding of metal objects |
04/17/2002 | CN2487085Y Magnetic control type controllable reactor |
04/17/2002 | CN2487084Y Rolling iron core of three phase transformer |
04/17/2002 | CN2487083Y Iron core of gas discharge lamp ballast |
04/17/2002 | CN2487082Y Circular iron core winding |
04/17/2002 | CN1083140C Device for filtering liquid medium and power electronics unit incorporation device of this kind |
04/17/2002 | CN1083139C Choke coil |
04/16/2002 | US6373736 Isolated converter |
04/16/2002 | US6373368 Inductor and manufacturing method thereof |
04/16/2002 | US6373367 Flyback transformer with core grounded |
04/16/2002 | US6373366 Common mode filter |
04/16/2002 | US6373203 Diode-split high-voltage transformer |
04/16/2002 | US6372994 Wrapped film sealing system for electrical equipment |
04/11/2002 | US20020041176 Battery apparatus for charging portable device |
04/11/2002 | US20020041004 Monolithically integrable inductor |
04/11/2002 | US20020040806 Electrical bushings with resin casting |
04/11/2002 | DE10147992A1 Batterievorrichtung zum Laden einer tragbaren Einrichtung The battery apparatus for charging a portable device |
04/11/2002 | DE10147129A1 Hochspannungstransformatorwicklung und Verfahren zur Herstellung High voltage transformer winding and method for producing |
04/10/2002 | EP1195781A1 Method of manufacturing chip inductor |
04/10/2002 | EP1194936A1 Induction devices with distributed air gaps |
04/10/2002 | EP0927479B1 Pulse transformer for line interfaces operating according to the echo compensation principle |
04/10/2002 | CN2485811Y Energy saving flat wire clip with inner thread |
04/10/2002 | CN1344063A Multilayer LC compound assembly and method for regulating such assembly frequency |
04/10/2002 | CN1343996A Inductor and method of mfg. same |
04/10/2002 | CN1343994A Inductance componnet having permanent-magnet for applicating magnetic deflection outside of exciting coil |
04/10/2002 | CN1343993A Magnetic core having effective magnetic polarization and magnetic device using same |
04/10/2002 | CN1343992A On load tapping switching transformer |
04/10/2002 | CN1343991A Magnetic core for digital user line modulator-demodulator transformer and its compsns. |
04/10/2002 | CN1343990A Powder pressed iron core |
04/10/2002 | CN1082707C 电磁噪声吸收器 Electromagnetic noise absorber |
04/09/2002 | US6369685 Multi-layer planar inductance coil and a method for producing the same |
04/09/2002 | US6369683 Variable inductor |
04/09/2002 | US6369681 Mini transformer |
04/09/2002 | US6369680 Transformer |
04/09/2002 | US6368530 Method of forming cooling ducts in cast resin coils |
04/04/2002 | WO2001084564A3 Bulk stamped amorphous metal magnetic component |
04/04/2002 | US20020039062 Airgapped magnetic component |
04/03/2002 | EP0873567B1 Distributed gap electrical choke |
04/03/2002 | CN2484655Y Surface-adhesive reel terminal |
04/03/2002 | CN2484624Y Moisture-adsorption device for transformer |
04/03/2002 | CN1082233C Choke and making method of same |
04/02/2002 | US6366180 Mains filter |
03/28/2002 | WO2002026009A1 Sleeved case design for adjustably increasing creepage distance |
03/28/2002 | WO2002025677A2 Planar inductive element |
03/28/2002 | WO2002025673A2 Method and apparatus for forming a magnetic component on a printed circuit board |
03/28/2002 | WO2001091143A3 Slot core transformers |
03/28/2002 | US20020037804 Compacts; low temperature sintering; barium, titanium, rare earth oxides |
03/28/2002 | US20020036561 High-voltage transformer winding and method of making |
03/28/2002 | US20020036560 Detachable transformer |
03/28/2002 | US20020035776 Sleeved case design for adjustably increasing creepage distance |
03/28/2002 | DE10042756A1 High efficiency coil comprises stacked spiral windings of conductor spiraling first inwardly then outwardly, with intervening insulation |
03/27/2002 | EP1190425A1 Cooling fin with reinforcing ripples |
03/27/2002 | CN2483813Y Shock-proof structure in inteal transformer |