| Patents for H01F 17 - Fixed inductances of the signal type (10,329) |
|---|
| 06/27/1989 | CA1256522A1 Electric coil |
| 06/07/1989 | EP0318955A1 Miniature high frequency power transformer |
| 06/06/1989 | US4837659 Transformer/inductor with integrated capacitor using soft ferrites |
| 05/30/1989 | US4835497 AC line filter |
| 04/25/1989 | US4825185 Electric noise absorber |
| 04/24/1989 | EP0287645A4 Inductive coupled power system. |
| 04/18/1989 | US4823103 Electrical component having a lead wire secured in a through hole |
| 04/12/1989 | EP0311418A2 Composite bead element |
| 04/05/1989 | EP0310396A1 Planar inductor |
| 04/04/1989 | US4818957 Ferrite toroid isolator |
| 03/30/1989 | DE3730302A1 Tunable helical band-pass filter for the radio-frequency region |
| 03/29/1989 | CN2035161U Lc ballast for fluorescent lamp |
| 03/28/1989 | US4817189 Directional high frequency broadband transformer made by printed circuit technique |
| 03/08/1989 | EP0306041A2 Noise suppression assembly |
| 02/14/1989 | US4803777 Method of manufacturing an electric component with a lead wire secured in a through hole |
| 02/07/1989 | US4803453 Laminated transformer |
| 02/02/1989 | DE3738646A1 Electrical coil |
| 02/01/1989 | EP0301056A1 Microwave transformer. |
| 01/31/1989 | US4801912 Surface mountable electronic device |
| 01/26/1989 | DE3728411C1 Inductive component |
| 01/12/1989 | DE3721759A1 Transformer fitted on a printed circuit board |
| 01/10/1989 | US4797647 Inductor and a manufacturing method therefor |
| 01/04/1989 | EP0297565A1 Sintered ferrite body, chip inductor, and composite LC part |
| 01/03/1989 | US4795309 Turbine housing for turbocharger |
| 12/29/1988 | DE3717717A1 Current-compensated annular-core inductor having increased stray inductance |
| 12/15/1988 | DE3817890A1 Coil |
| 12/07/1988 | EP0293678A1 High frequency coil |
| 12/07/1988 | CN87215153U 荧光灯镇流器 Fluorescent Lamp Ballasts |
| 11/16/1988 | CN87215263U Ballast with overlap inserted iron core |
| 11/15/1988 | US4785345 Integrated transformer structure with primary winding in substrate |
| 11/02/1988 | CN88210133U 综合节能镇流器 Integrated energy-saving ballast |
| 10/26/1988 | EP0287645A1 Inductive coupled power system. |
| 10/25/1988 | US4780795 Packages for hybrid integrated circuit high voltage isolation amplifiers and method of manufacture |
| 10/19/1988 | CN88210842U Miniature wide-band graunded wave trap |
| 10/18/1988 | US4779068 Noise suppression inductor |
| 10/11/1988 | US4777465 Square toroid transformer for hybrid integrated circuit |
| 10/06/1988 | DE3710090A1 Inductive component with a conductor track printed on an insulating board |
| 10/05/1988 | EP0187771B1 High frequency transformer |
| 09/22/1988 | WO1988007257A1 High-frequency component |
| 09/22/1988 | DE3708226A1 Inductor having two coils |
| 09/21/1988 | EP0282646A1 Ferrite core coil with more than two coil tags for reflow soldering on a printed-circuit board |
| 09/13/1988 | US4769900 Magnetic shielding, manganese-zinc or silicone resin |
| 09/06/1988 | US4769625 Electrical coil with terminal pins in adapter plate |
| 08/25/1988 | WO1988006343A1 Microwave transformer |
| 08/24/1988 | EP0279538A1 Transformer with wire lead isolation slots |
| 08/11/1988 | DE3801188A1 Elektrischer rauschabsorber Electrical noise absorber |
| 07/27/1988 | EP0275499A1 Current-compensated choke coil for spark interference suppression |
| 07/26/1988 | US4760366 Ferrite core |
| 07/19/1988 | US4758808 Impedance element mounted on a pc board |
| 07/13/1988 | EP0274253A2 Turbine housing for turbocharger |
| 07/05/1988 | US4755783 Inductive devices for printed wiring boards |
| 06/28/1988 | US4754250 Holding device for toroidal cores provided with windings |
| 06/01/1988 | EP0268671A1 Transformer structure |
| 05/18/1988 | EP0267822A1 High-frequency transformer with a printed winding, in particular for very high voltage supply |
| 05/17/1988 | US4745536 Reactor for circuit containing semiconductor device |
| 05/17/1988 | US4745388 Transformer with wire lead isolation slots |
| 04/21/1988 | WO1988002944A1 Inductive coupled power system |
| 04/20/1988 | EP0264110A1 Electromagnetic arrangement, especially an electromagnetic winding |
| 03/15/1988 | US4731297 Laminated components of open magnetic circuit type |
| 03/09/1988 | EP0258592A1 Potential separation for a choke with an annular core |
| 03/09/1988 | CN87207133U Inductive ballast of fluorescent lamp |
| 03/09/1988 | CN87207112U Adjustable fluorescent lamp ballast |
| 03/03/1988 | DE3629006A1 Coil former for electrical coils |
| 03/02/1988 | EP0257179A1 Electric noise absorber |
| 02/25/1988 | DE3722124A1 Printed circuit board assembly having a coil or a transformer |
| 02/25/1988 | DE3628290A1 Coil former for electrical coils |
| 02/25/1988 | DE3628021A1 Chip module for surface mounted device - with ceramic or ferrite plate for conductive turns representing LC oscillator circuit |
| 02/16/1988 | US4724603 Process for producing a toroidal winding of small dimensions and optimum geometry |
| 02/11/1988 | DE3626042A1 Method for producing pot-type core coils |
| 02/11/1988 | DE3626034A1 Method for automatically testing pot-core coils |
| 02/09/1988 | US4724413 Low-noise transformer |
| 01/12/1988 | US4719433 Attenuation bead for the suppression of interference radiation |
| 01/07/1988 | DE3721427A1 Bauteil zur unterdrueckung von hochfrequenzsignalen Component to suppress high frequency signals |
| 01/07/1988 | DE3621573A1 Current-compensated spark-suppression inductor (radio-suppression inductor) |
| 01/05/1988 | US4717901 Electronic component, especially for a chip inductance |
| 12/30/1987 | CN86104241A Toroidal core a.c. magnetic biasing circuit |
| 12/17/1987 | DE3615308A1 Deformation of connecting wires of air-cored coils |
| 12/08/1987 | US4712067 R.F. coil system for generating and/or receiving alternating magnetic fields |
| 11/19/1987 | WO1987007074A1 Transformer structure |
| 11/12/1987 | DE3713833A1 Hybridschaltung Hybrid circuit |
| 11/12/1987 | DE3615307A1 Air-cored coils for automatic SMD fitting |
| 11/11/1987 | EP0245083A1 A ferrite core and a transformer or inductor including it |
| 11/03/1987 | US4704592 Chip inductor electronic component |
| 10/29/1987 | DE3613862A1 Inductor or transformer having fastening means on a printed circuit board |
| 10/20/1987 | US4700440 LC filter manufacturing method |
| 10/07/1987 | CN86101028A Electricity-saving fluorescent lamp ballast (esflb) |
| 09/29/1987 | US4696100 Method of manufacturing a chip coil |
| 09/15/1987 | US4694283 Identification device in the form of a tag-like strip affixable to an article |
| 09/10/1987 | DE3607025A1 Ferrite chip inductance |
| 08/25/1987 | US4689594 Multi-layer chip coil |
| 08/25/1987 | US4689592 Combined transformer and inductor |
| 07/02/1987 | WO1987003999A1 Ignition system for internal combustion engines |
| 07/02/1987 | DE3546126A1 Zuendanlage fuer brennkraftmaschinen Engine-ignition system for |
| 06/23/1987 | US4675638 Ferromagnetic multiple shell core for electric coils |
| 05/05/1987 | US4662572 Method of forming inductor coils with mechanically coupleable bobbins |
| 04/22/1987 | EP0218846A1 High-frequency wide band transformer circuit |
| 04/07/1987 | US4656452 Transformer telephone influence tractor core shunt |
| 04/07/1987 | US4656451 Electronic noise suppressor |
| 04/07/1987 | US4656395 Accessory circuit structure for a low-pressure discharge lamp, typically fluorescent lamp |
| 04/01/1987 | CN85106944A High efficiency, engery saving ballast for fluorescent |