| Patents for H01F 17 - Fixed inductances of the signal type (10,329) |
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| 03/03/1993 | EP0530125A2 A chip transformer and a method of producing a chip transformer |
| 02/25/1993 | DE4227757A1 Inductance device for filter of electromagnetic device e.g. magnetron - has ferrite cores formed from multi-facet bars with air cooling channel along centre that are inserted into coils |
| 02/16/1993 | US5187456 Line filter |
| 02/02/1993 | US5184105 Bobbin for multiple-connected inductor |
| 01/20/1993 | EP0523450A1 Inductance element |
| 01/13/1993 | EP0522014A1 Cable coupling transformer. |
| 01/12/1993 | US5177841 Method of manufacturing ceramic layered product |
| 01/05/1993 | US5177762 Saturable reactor |
| 01/05/1993 | US5175923 Method for producing a laminated coil |
| 01/04/1993 | CA2072277A1 Inductance element |
| 12/24/1992 | DE4217845A1 Electrical transformer for direct mounting onto circuit board - has secondary winding formed by U=shaped wire loops with ends connected to board tracks to forming winding |
| 12/22/1992 | US5173671 Monolithic lumped element networks |
| 12/09/1992 | CN2124504U Ballast for gas-discharge lamp |
| 12/08/1992 | CA1311288C Ferrite toroid isolator |
| 12/02/1992 | EP0515821A1 Inductor element and transformer for monolithic microwave integrated circuit |
| 12/01/1992 | US5168252 Line filter having a magnetic compound with a plurality of filter elements sealed therein |
| 11/24/1992 | US5165162 Method for making a segmented toroidal inductor |
| 11/17/1992 | US5164687 Compact lumped constant non-reciprocal circuit element |
| 11/11/1992 | EP0512718A1 Process for making a ferrite multistructure |
| 11/11/1992 | CN2121743U Fluorescent lamp ballast without external hood |
| 11/10/1992 | US5162970 Miniature monolithic ceramic coupler for electronic circuits |
| 11/10/1992 | US5162772 Ferrite suppressor case with internal locking system |
| 11/10/1992 | US5162769 Coaxial electromagnetic swage coil |
| 11/03/1992 | US5161098 AC adaptor |
| 10/20/1992 | US5157576 Composite electric part of stacked multi-layer structure |
| 10/14/1992 | EP0508600A2 Two-terminal series-connected network |
| 10/06/1992 | US5153547 High frequency coil |
| 10/06/1992 | US5153539 Magnetic core for a signal line filter |
| 10/06/1992 | US5152480 Planar coil construction |
| 09/16/1992 | EP0503370A1 Resonant circuit coil for a magnetic field controlled oscillator |
| 09/09/1992 | CN1064368A Composite electric part of stacked multi-layer structure |
| 09/01/1992 | US5142767 Method of manufacturing a planar coil construction |
| 08/26/1992 | EP0500103A1 Laminate Type LC Element |
| 08/26/1992 | CN1018033B Coil capable of producing instantaneous strong magnetic field |
| 08/19/1992 | CN2113543U High stable multiple nominal value standard inducer |
| 08/18/1992 | US5140291 Inductive device |
| 08/04/1992 | US5134770 Method of fabricating a high-frequency transformer |
| 07/21/1992 | US5132650 Lc noise filter |
| 07/16/1992 | DE4100963A1 Annular coil arrangement for winding-less inductance or counter-inductance - comprises partly conductive rubber rings within and outside core sandwiched between conductively coated and segmented discs |
| 07/14/1992 | CA1305225C Transformer with wire lead isolation slots |
| 07/01/1992 | EP0492653A2 Printed filter for use in high-frequency circuit |
| 06/30/1992 | US5126971 Thin film magnetic core memory and method of making same |
| 06/30/1992 | US5126714 Integrated circuit transformer |
| 06/30/1992 | US5126707 Laminated lc element and method for manufacturing the same |
| 06/25/1992 | DE4105999A1 Foil coil for superconductive devices e.g. linear motor - has etched conductor coils on plates applied to opposite surfaces of stacked, insulating substrate plates |
| 06/24/1992 | EP0491214A1 Transformer, in particulier switch mode transformer |
| 06/17/1992 | CN1062051A Inductive device and method of manufacture |
| 05/13/1992 | EP0484558A1 High frequency coil and method of manufacturing the same |
| 05/13/1992 | EP0484343A1 Coin testing apparatus. |
| 05/12/1992 | CA1300715C Tag and method of making same |
| 05/05/1992 | US5111003 Multilayer wiring substrate |
| 04/30/1992 | DE4133796A1 Miniature inductive component with capacity tuner - has axial bore in support with longitudinal groove over part of its length |
| 04/22/1992 | EP0481755A2 Electromagnetic windy structures, and methods for forming electromagnetic winding structures |
| 04/21/1992 | CA1299257C Ac line filter |
| 04/14/1992 | US5105172 Monolithically realizable radio frequency bias choke |
| 04/02/1992 | WO1992005568A1 Inductive device and method of manufacture |
| 03/26/1992 | DE4029704A1 Clamp for parts of coil core - has spring brackets with hook-shaped ends, forming core surrounding clamping ring upon interengagement |
| 03/25/1992 | EP0476114A1 Low-profile planar transformer for use in off-line switching power supplies. |
| 03/18/1992 | EP0475116A2 Monolithically realizable radio frequency bias choke |
| 03/11/1992 | EP0473875A1 Method for producing a HF-magnetic coil device in chip-construction |
| 03/10/1992 | US5095357 Inductive structures for semiconductor integrated circuits |
| 03/10/1992 | US5095296 Spilt ferrite bead case for flat cable |
| 03/10/1992 | CA1297148C High frequency signal suppression component |
| 03/03/1992 | US5093774 Two-terminal series-connected network |
| 03/03/1992 | CA1296511C Toroidal transformer and machines and methods for making same |
| 02/26/1992 | EP0472151A1 Integrated magnetic filter inductor having series and common mode windings |
| 02/25/1992 | US5091286 Laser-formed electrical component and method for making same |
| 02/19/1992 | CN2096804U Anti-explosive ballast |
| 02/12/1992 | CN2096117U Day light lamp ballast |
| 02/06/1992 | DE4124924A1 Filter with several linear EM- linked helical coils - has mobile coil bodies of metal and dielectric material with metal one opposite metal plate below coil |
| 02/05/1992 | EP0469671A1 Choke coil comprising a bead of a softmagnetic material |
| 01/23/1992 | DE4023041A1 Planar inductance device - is formed by undulating section consisting of coupled loops |
| 01/21/1992 | US5083236 Inductor structure with integral components |
| 01/09/1992 | DE4120097A1 HF coil assembly with thin walled core - having recess to prevent fracture by force applied by burr formed on cover during mfr. |
| 01/02/1992 | EP0287645B1 Inductive coupled power system |
| 01/01/1992 | CN2092178U Electronic constant current ballast of fluorecent lamp |
| 12/24/1991 | US5075663 Noise-shielded transformer |
| 12/17/1991 | US5072508 Method of making an inductive-resistive circuit element |
| 12/12/1991 | WO1991019306A1 Automated method for the manufacture of small implantable transponder devices |
| 12/12/1991 | WO1991019303A1 High frequency coil and method of manufacturing the same |
| 12/12/1991 | WO1991019302A1 Automated method for the manufacture of transponder devices |
| 12/12/1991 | DE4117878A1 Miniature planar magnetic element e.g. induction coil or transformer - is formed by layers of insulating and magnetic material on either side of coil |
| 12/11/1991 | EP0461000A1 Antenna tuner unit for tactical HF apparatus |
| 12/05/1991 | DE4017263A1 Printed circuit HF amplifier with transformer - uses conductor bridges to select single or dual transformer output |
| 12/04/1991 | EP0459570A1 Inductance or transformer, particularly for switching mode current supply device |
| 12/03/1991 | US5070317 Miniature inductor for integrated circuits and devices |
| 11/14/1991 | WO1991017556A1 Magnetic core structures for matrix transformers and matrix inductors |
| 10/23/1991 | EP0452992A2 Electric noise absorber |
| 10/17/1991 | WO1991015861A1 Low-profile planar transformer for use in off-line switching power supplies |
| 10/16/1991 | EP0301056B1 Microwave transformer |
| 10/09/1991 | EP0450448A1 Flat-type transformer |
| 10/08/1991 | US5055971 Magnetic component using core clip arrangement operative for facilitating pick and place surface mount |
| 10/08/1991 | US5055816 Method for fabricating an electronic device |
| 10/03/1991 | WO1991015022A1 Cable coupling transformer |
| 09/24/1991 | US5051712 LC filter |
| 09/24/1991 | US5050292 Automated method for the manufacture of transponder devices by winding around a bobbin |
| 09/03/1991 | US5045380 Lamination type inductor |
| 08/28/1991 | EP0443512A1 Composite electric part of stacked multi-layer structure |
| 08/28/1991 | EP0443173A1 Wideband tunable monolithic inductor |
| 07/17/1991 | EP0250445B1 Ignition system for internal combustion engines |