| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
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| 05/29/2001 | US6239879 Non-contacting communication and power interface between a printing engine and peripheral systems attached to replaceable printer component |
| 05/29/2001 | US6239577 Electromagnetic induction type charging device |
| 05/29/2001 | US6239361 Remote replication and translation of a magnetic field |
| 05/29/2001 | US6237578 Ignition coil for use in internal combustion engine |
| 05/25/2001 | WO2001037294A1 Connection system for submarine acoustic antenna |
| 05/23/2001 | CN2431632Y Integrated flyback transformer plastic frame |
| 05/23/2001 | CN1296726A Circuit arrangement |
| 05/23/2001 | CN1296274A Low-pressure wire winding axle capable of preventing pin position from shifting |
| 05/17/2001 | US20010001177 Ignition coil device for engine |
| 05/17/2001 | DE19946934A1 Modul mit Winkelsensorik, berührungsloser Energieübertragung und berührungsloser Informationsübertragung Module with motion control, non-contact and non-contact power transmission information transfer |
| 05/16/2001 | CN2430772Y Anti-fraudulent use of electrisity combined current mutual inductor |
| 05/16/2001 | CN2430691Y High voltage and super high voltage photoelectric isolated current mutual inductor |
| 05/15/2001 | US6232863 Spool assembly for an ignition coil |
| 05/10/2001 | DE19832707C2 Kombinierter Strom- und Spannungswandler für Freiluftschaltanlagen Combined current and voltage transformers for outdoor switchgear |
| 05/09/2001 | CN2429900Y Dry voltage mutual inductor against electromagnetic interfere |
| 05/03/2001 | WO2001031980A1 Electronic ballast and method of manufacturing same |
| 05/02/2001 | EP1095384A1 Magnetic shield for primary coil of transcutaneous energy transfer device |
| 05/02/2001 | CN2428849Y Resonant-started energy-saving reactive ballast |
| 05/02/2001 | CN1065163C Hanging spot-welder with transformer |
| 04/25/2001 | CN2427876Y Anti-fraudulent use of electricity current transformer |
| 04/25/2001 | CN2427875Y Sputter ion pump electric power source magnetic leakage transformer |
| 04/25/2001 | CN1292926A High pulse rate ignition source |
| 04/24/2001 | US6222713 Electrical protective equipment switch with overcurrent and undervoltage function and overcurrent sensor for it |
| 04/24/2001 | US6222435 Stick coil for igntion systems |
| 04/19/2001 | WO2001027946A1 Interface module for a local data network |
| 04/19/2001 | DE19948897A1 Schnittstellenmodule für lokale Datennetzwerke Interface modules for local data networks |
| 04/19/2001 | DE10020775A1 Transmitter coil for an inductive coupling arrangement for programming a fuze of a projectile has L-shaped cross-section that eliminates counter magnetic field due to return coil portion being at right angles to wrapped coil portion |
| 04/18/2001 | EP1093134A1 Ignition coil with magnetic core made from iron powder |
| 04/18/2001 | CN1064745C 点火线圈装置 Ignition coil device |
| 04/17/2001 | US6219267 Electric supply system, corresponding terminal and mounting base |
| 04/17/2001 | US6218924 Arrangement for the contactless transmission of an air-bag release signal |
| 04/17/2001 | US6216679 Ignition coil for an internal combustion engine |
| 04/12/2001 | DE10033800A1 Pencil ignition coil assembly for use in a spark ignition system of a internal combustion engine comprises cylinder head of the engine having multiple cylinders with spark plug hole |
| 04/11/2001 | CN2426639Y AC shunting current tranformer |
| 04/11/2001 | CN2426638Y High voltage optical pass split core current transformer |
| 04/11/2001 | CN1290991A Switch power circuit and isolated variable transformer |
| 04/10/2001 | US6215684 Feed-through for high and medium voltage station |
| 04/10/2001 | US6215385 Ignition coil with primary winding outside of secondary winding |
| 04/10/2001 | US6213109 Ignition coil for use in internal combustion engine |
| 04/05/2001 | WO2001023243A1 Module with an angle sensor technology, contactless energy transmission and contactless information transmission |
| 04/05/2001 | DE10035611A1 Mechanischer Verbinder für elektrische Anschlüsse Mechanical connector for electrical connections |
| 04/04/2001 | EP1089309A2 Electronic overload relay |
| 04/04/2001 | EP1089304A1 Switching power circuit and insulating converter transformer |
| 04/04/2001 | EP0929948B1 Wireless energy and data transfer for a modular peripheral system |
| 04/04/2001 | CN1064183C Bar-type coil for ignition systems |
| 04/03/2001 | US6211766 High voltage transformer |
| 04/03/2001 | US6211765 Coil device |
| 04/03/2001 | US6211764 Waterproof current transformer |
| 04/03/2001 | US6211763 Ignition coil apparatus for an internal combustion engine and production method thereof |
| 04/03/2001 | US6210771 Electrically active textiles and articles made therefrom |
| 04/03/2001 | US6209776 Flyback transformer device and process for preparing same |
| 03/29/2001 | DE10013742A1 Combustion state detector for internal combustion engine has transformer, switch, ignition plug and bias device with outer packaging housing filled with setting resin |
| 03/28/2001 | EP1086474A1 Spark ignition system having a capacitive discharge system and a magnetic core-coil assembly |
| 03/28/2001 | CN2425416Y Double-capacitor combined ballast for transformer |
| 03/28/2001 | CN1289195A Network coupling device |
| 03/27/2001 | US6208688 Method of selecting a requantization step size and controlling a bit-rate |
| 03/27/2001 | US6208531 Power converter having magnetically coupled control |
| 03/27/2001 | US6208231 Stick-type ignition coil having improved structure against crack or dielectric discharge |
| 03/21/2001 | EP1085673A1 Coupling network |
| 03/21/2001 | CN1288242A Retrace transformer |
| 03/20/2001 | US6204657 Temperature compensated closed-loop hall effect current transformer |
| 03/15/2001 | WO2001018829A1 Device for the displacement, in particular, the rotative or linear displacement of an active load |
| 03/15/2001 | DE19943047A1 Vorrichtung zum Bewegen, insbesondere zum rotativen oder linearen Bewegen einer aktiven Last Means for moving, especially for rotary or linear motion of an active load |
| 03/14/2001 | EP1083432A1 Inductive sensor for measuring the current in a conductor |
| 03/13/2001 | US6201463 Inverter transformer |
| 03/13/2001 | US6200102 Method and apparatus for an electromagnetic propulsion system |
| 03/08/2001 | WO2001016995A1 Induction electroluminescent lamp |
| 03/07/2001 | EP1080614A1 Apparatus for coupling power into a body of gas |
| 03/07/2001 | EP1080474A1 Impregnating potting compounds, their use and a method for impregnating ignition coils |
| 03/07/2001 | CN1286482A Ignition coil |
| 03/06/2001 | US6198761 Coaxial laser pulser with solid dielectrics |
| 03/06/2001 | US6198268 Dual-rated current transformer circuit having at least two input circuits |
| 03/06/2001 | US6198237 Apparatus using double focusing type fly-back transformer |
| 03/06/2001 | US6196209 Ignition coil device for engine |
| 03/01/2001 | WO2001015187A1 Improvements in or relating to electrical switches |
| 03/01/2001 | WO2001014894A1 Sensor for current measurement and electricity meter |
| 02/28/2001 | EP1078557A1 Dimming ballast and drive method for lamps using a frequency controlled, loosely-coupled transformer |
| 02/27/2001 | US6194684 Output choke for D.C. welder and method of using same |
| 02/27/2001 | US6192873 Ignition coil having spring for connecting the same to spark plug |
| 02/27/2001 | CA2252683C Magnetic core-coil assembly for spark ignition systems |
| 02/21/2001 | EP1077018A1 Circuit arrangement |
| 02/21/2001 | CN1284728A Method for fitting zero phase sequence converter in leakage circuit breaker |
| 02/20/2001 | US6191675 High voltage transformer and ignition transformer using the same |
| 02/20/2001 | US6191674 Ignition coil for internal combustion engine |
| 02/20/2001 | US6191673 Current transformer |
| 02/20/2001 | US6191396 Heater abnormality detecting circuit |
| 02/15/2001 | DE10035393A1 Ignition coil for a combustion engine, comprises a transformer section, primary and secondary spools, a control circuit, and a connection section. |
| 02/14/2001 | EP1076345A2 Variable inductance element |
| 02/14/2001 | EP1010229A4 Inductive power transfer across an extended gap |
| 02/14/2001 | CN1283795A Current sensor for electrical appts |
| 02/13/2001 | US6188798 Apparatus and method for detecting motion vector |
| 02/13/2001 | US6188304 Ignition coil with microencapsulated magnets |
| 02/13/2001 | US6188303 Flyback transformer |
| 02/08/2001 | DE10020949A1 Non-contact type transformer for four-wheeled motor vehicle, has disk-shaped magnetic core consisting of sintered magnetic fine particles, formed by combination of fan-shaped cores |
| 02/07/2001 | EP1075002A2 Variable inductance coil device |
| 02/07/2001 | EP1074846A2 Current sensor for an electrical device |
| 02/01/2001 | DE19932504A1 Implementing contactless power and data transmission between two relatively rotatable parts involves using two coils mounted so as to be rotatable relative to each other |
| 01/31/2001 | EP1073073A1 Transformer, especially for powering cathode ray tubes |
| 01/31/2001 | CN2417547Y Resonance-eleminating type voltage inductor |
| 01/31/2001 | CN1282082A Transformer |