Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 17 - Fixed inductances of the signal type
Patents for H01F 17 - Fixed inductances of the signal type (10,329)
12/1995
12/06/1995EP0685857A1 Inductor chip device
12/05/1995US5473300 Cable coupling transformer
11/1995
11/30/1995WO1995032511A1 Coil former and electric coil wound thereon
11/30/1995DE4418246A1 Spulenkörper und damit aufgebaute elektrische Spule Bobbin and so constructed electric coil
11/30/1995CA2167812A1 Coil former and electric coil wound thereon
11/29/1995EP0684647A1 Electronic parts having airbridge interconnection and method of manufacturing such electronic parts
11/29/1995EP0684616A1 Low profile surface mounted magnetic devices and components therefor
11/22/1995CN1112381A Noise absorbing device
11/21/1995US5469334 Plastic quad-packaged switched-mode integrated circuit with integrated transformer windings and mouldings for transformer core pieces
11/15/1995CN1030271C Composite electric part of stacked multi-layer structure
11/08/1995CN2212253Y Stabilizing ballast for daylight lamp
10/1995
10/31/1995US5463365 Coil
10/24/1995US5461353 Printed circuit board inductor
10/17/1995US5457872 Method of manufacturing a coil
10/05/1995DE19511554A1 Elektronisches Bauteil mit eingebauter Induktivität Electronic component with built-inductance
10/04/1995CN1109628A Fe-M-C magentic film and method of producing the same
10/03/1995US5455552 Ferrite common mode choke adapted for circuit board mounting
10/02/1995EP0730778A4 Flexible transformer apparatus particularly adapted for high voltage operation
09/1995
09/20/1995CN1108790A 电感元件 Inductive element
09/20/1995CN1029812C Choke coil device for electromagnetic range
09/19/1995US5451914 Multi-layer radio frequency transformer
09/19/1995US5450755 Mechanical sensor having a U-shaped planar coil and a magnetic layer
09/12/1995US5450263 Electronic device
08/1995
08/29/1995US5446311 High-Q inductors in silicon technology without expensive metalization
08/29/1995US5445922 Broadband printed spiral
08/23/1995EP0668596A1 Method of making a bobbin on a toroidal magnetic circuit
08/23/1995EP0667056A4 Filter connector arrangement having a ferrite barrel with a rectangular bore.
08/22/1995US5443664 Surge current-suppressing circuit and magnetic device therein
08/17/1995CA2142565A1 Coil winding process for a circular magnetic circuit
08/16/1995EP0667056A1 Filter connector arrangement having a ferrite barrel with a rectangular bore
08/03/1995WO1995020829A1 Electrical circuit using low volume multilayer transmission line devices
08/01/1995US5438182 Choke coil apparatus for an electromagnetic range
07/1995
07/26/1995EP0484558B1 High frequency coil and method of manufacturing the same
07/25/1995US5436601 Laminated delay line
07/05/1995EP0661722A1 Transformer
07/04/1995US5430613 Current transformer using a laminated toroidal core structure and a lead frame
06/1995
06/30/1995CA2137589A1 Multi-turn z-foldable secondary winding for a low-profile, conductive film transformer
06/28/1995EP0660342A1 Noise absorbing device
06/21/1995EP0658285A1 Filtered connector/adaptor for unshielded twisted pair wiring
06/21/1995CN2201713Y Reactor coil
06/20/1995US5425167 Method of making a transformer for monolithic microwave integrated circuit
06/20/1995US5425166 Current transformer using a laminated toroidal core structure and a lead frame
06/06/1995US5422619 Common mode choke coil
05/1995
05/31/1995EP0655754A1 Inductance element
05/31/1995EP0655753A1 Active filter circuit and power supply apparatus including same
05/31/1995CN1103199A Improved RF signal distributed inductor
05/30/1995US5420558 Thin film transformer
05/24/1995EP0654802A1 Variable inductance element
05/09/1995US5414402 Multi-layer substrate
05/04/1995DE4336483A1 Resonant electric circuit and method for tuning the resonant circuit
05/03/1995EP0651403A2 Fe-M-C Magnetic film and method of producing the same
05/02/1995US5412366 Rotary transformer
05/02/1995US5411126 Coin detector
04/1995
04/19/1995EP0649152A2 Transformer integrable with a semiconductor integrated circuit and method for producing thereof
04/13/1995DE4327968A1 Inductive electrical component
03/1995
03/30/1995DE4332638A1 Chip-Induktivität Chip inductor
03/22/1995CN2192945Y Anti-explosive ballast
03/21/1995US5398400 Method of making high accuracy surface mount inductors
03/15/1995EP0643404A2 Inductive structures for semiconductor integrated circuits
03/15/1995EP0643403A2 Inductive structures for semiconductor integrated circuits
03/15/1995EP0643402A2 Inductive structures for semiconductor integrated circuits
03/14/1995CA2026048C Line filter
03/08/1995EP0642143A2 Self-inducting coil
03/08/1995EP0642142A2 Self-inductance coil
03/07/1995US5396211 Miniature transformer having compressed laminations
03/07/1995US5396101 Inductance element
02/1995
02/23/1995WO1995005678A1 Methods for fabrication of thin film inductors, inductor networks and integration with other passive and active devices, and the resultant devices
02/21/1995US5392020 Flexible transformer apparatus particularly adapted for high voltage operation
02/21/1995US5392019 Inductance device and manufacturing process thereof
02/21/1995US5392017 Choke coil comprising a bead of a soft-magnetic material
02/14/1995US5389428 Insulating housing contains metal of the type included in magnetic material
02/08/1995EP0637828A2 Multilayer electronic component, method of manufacturing the same and method of measuring characteristics of the same
02/01/1995EP0484343B1 Coin testing apparatus
01/1995
01/31/1995US5386206 Layered transformer coil having conductors projecting into through holes
01/25/1995EP0635165A1 Coil construction
01/19/1995WO1995002253A1 Noise absorbing device
01/12/1995DE4422827A1 Layered potted (encapsulated) winding and a method for its production
01/10/1995US5381124 Multi-turn z-foldable secondary winding for a low-profile, conductive film transformer
01/04/1995EP0632472A1 Current transformer using a laminated toroidal core structure and a lead frame
01/03/1995US5378297 Ferrite chip bead and method for making same
12/1994
12/28/1994EP0631293A1 Planar inductor and method of operatively calibrating the same in a RF system
12/22/1994WO1994029934A1 Filtered connector/adaptor for unshielded twisted pair wiring
12/22/1994CA2141541A1 Filtered connector/adaptor for unshielded twisted pair wiring
12/20/1994US5374907 Chip type of noise suppressing filter for suppressing noise electromagnetically generated and method for manufacturing the filter
12/13/1994US5373277 Signal discriminator
12/13/1994US5373112 Multilayered wiring board having printed inductor
12/08/1994WO1994028627A1 High temperature superconductor lumped elements and circuit
12/06/1994US5370766 Forming conductive layer on substrate, forming patterned dielectric layer thereon, formed patterned thin film conductor above the dielectric layer to provide inductor
11/1994
11/24/1994DE4326358C1 Induction coil for use as an electromagnetic induction transducer (hearing coil) in electrical hearing aids
11/24/1994DE4317125A1 Monolithic multilayer chip inductor and method for its production
11/15/1994US5365203 Delay line device and method of manufacturing the same
11/08/1994US5363081 Line transformer and manufacturing process thereof
11/08/1994US5363080 High accuracy surface mount inductor
11/02/1994EP0622848A1 Chip-type circuit component and method of manufacturing the same
10/1994
10/25/1994US5359315 Method of forming a three-layer structural spiral inductor
10/25/1994US5359311 Solid inductor with vitreous diffused outer layer
10/18/1994US5357226 Noise filter
10/11/1994US5355301 One-chip type switching power supply device
10/11/1994US5355109 Electric noise absorber
10/06/1994DE4410956A1 Drosselspule für eine Schaltungsanordnung, Wechselrichter mit einer solchen Drosselspule und Verfahren zu ihrer Herstellung Choke coil for a circuit arrangement, the inverter having such a reactor and methods for their preparation
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