Patents for H01F 17 - Fixed inductances of the signal type (10,329)
05/1997
05/29/1997WO1997019457A1 Switch with inductor function
05/22/1997DE19542685A1 Radio interference filter for electronically controlled apparatus
05/13/1997US5629661 Choke coil for eliminating common mode noise and normal mode noise
05/13/1997US5629553 Variable inductance element using an inductor conductor
05/09/1997WO1997016836A1 Rf transformer using multilayer metal polymer structures
05/07/1997EP0772210A1 Article comprising exchange-coupled magnetic materials
05/07/1997CN2253864Y Multi-layer open type hollow inductance coil
05/02/1997EP0771013A1 Monolithic multilayer ultra thin chip inductors and method for making same
04/1997
04/16/1997CN1147681A Multi-layer opened hollow inductor coil
04/15/1997US5619791 Method for fabricating highly conductive vias
04/10/1997WO1997013321A1 Device for the absorption of electrical noise
04/10/1997WO1997013262A1 Smd coil
04/09/1997EP0767473A1 Coil and method of its production for transformer
04/08/1997US5619174 Iron, boron, metal alloy; switching power sources, converters
04/08/1997US5618777 High temperature superconductor lumped elements and circuit therefrom
04/03/1997DE19536473A1 SMD-Spule SMD coil
04/03/1997DE19536155A1 Einrichtung zum Absorbieren des elektrischen Rauschens Means for absorbing the electrical noise
04/02/1997EP0766440A1 Method and means for replacing an electrically conducting cable by another electrically conducting cable
04/02/1997EP0766272A1 Magnetic thin films and their use in thin film magnetic elements
04/02/1997CN2251187Y AC-DC welder with three primary coils
04/01/1997US5616539 High temperature superconductor lumped element band-reject filters
03/1997
03/26/1997EP0764956A2 Electric component to be mounted on double printed circuit boards
03/25/1997US5614757 Monolithic multilayer chip inductor having a no-connect terminal
03/20/1997WO1997010607A1 Inductive device
03/19/1997CN2249960Y 高压钠灯镇流器 High pressure sodium lamp ballasts
03/18/1997US5612660 Formed in a multilayer printed circuit board
03/13/1997DE19533050A1 Mfg. an inductive component having at least one coil e.g. for filters or oscillatory circuits
03/13/1997DE19532944A1 Power impedance transformer for push=pull power amplifier of mobile transmitter output-stages
03/12/1997EP0762443A2 Planar magnetic device
03/11/1997US5610569 Staggered horizontal inductor for use with multilayer substrate
03/11/1997US5610433 Multi-turn, multi-level IC inductor with crossovers
03/11/1997US5609946 High frequency, high density, low profile, magnetic circuit components
02/1997
02/26/1997EP0759204A1 High q integrated inductor
02/11/1997US5602517 Laminate type LC composite device having coils with opposing directions and adjacent leads
01/1997
01/29/1997EP0756298A2 Electronic inductive device and method for manufacturing
01/29/1997CN1141494A Very low leakage inductance, single-laminate transformer
01/28/1997US5598327 Planar transformer assembly including non-overlapping primary and secondary windings surrounding a common magnetic flux path area
01/28/1997US5598135 Transformer
01/28/1997CA2150953C Flexible transformer apparatus particularly adapted for high voltage operation
01/25/1997CA2181213A1 Electronic inductive device and method for manufacturing
01/22/1997EP0608402B1 Process and device for consolidating and coating an air-core coil
01/22/1997CN1140900A Monolithic high frequency integrated circuit structure and method of manufacturing the same
01/14/1997CA2149929C Devices using metallized magnetic substrates
01/03/1997WO1997000526A1 Inductive component
01/02/1997EP0751623A1 Inductive proximity sensor
12/1996
12/27/1996WO1996042095A1 Flat transformer
12/27/1996WO1996042094A1 Chip coil
12/24/1996CA2072944C Premolded suppressor sleeve
12/19/1996DE19623832A1 Noise reduction device for telephone appts.
12/19/1996DE19522043A1 Induktives Bauelement Inductive component
12/12/1996DE19520858A1 Plastic or metal cap for SMD mounting of rod core choke
12/11/1996EP0747914A2 High frequency pulse transformer for an IGBT gate drive
12/11/1996EP0747913A1 Surface mount electronic component with a grooved core and a method for making
12/11/1996CN1137839A Line filter
12/10/1996US5583475 Method of manufacturing a coil on a toroidal magnetic circuit
12/10/1996US5583474 Planar magnetic element
12/10/1996US5583424 Magnetic element for power supply and dc-to-dc converter
12/10/1996US5583422 Switch controller system
12/04/1996EP0746001A2 Very low leakage inductance, single-laminate transformer
12/03/1996US5581224 Choke coil for eliminating common mode noise and differential mode noise
12/03/1996US5579887 Coin detection apparatus
11/1996
11/28/1996WO1996037406A1 Electro-magnetic expulsion de-icing system
11/26/1996US5578981 Laminated inductor
11/26/1996US5578860 Monolithic high frequency integrated circuit structure having a grounded source configuration
11/21/1996DE19619710A1 LC filter with inductor forming patterned electrodes
11/19/1996US5576680 Structure and fabrication process of inductors on semiconductor chip
11/19/1996US5575057 Method of manufacturing a coin detector
11/13/1996CN2240190Y Electric unit of core structure
11/12/1996US5574420 Low profile surface mounted magnetic devices and components therefor
11/12/1996US5573863 Oxygen
11/12/1996US5572788 Coil device
11/12/1996US5572779 Method of making an electronic thick film component multiple terminal
11/07/1996DE19516448A1 Flexible plastics foil with magnetic characteristics e.g. for audio, image and data recording
11/06/1996EP0741413A2 Monolithic high frequency integrated circuit structure and method of manufacturing the same
11/05/1996US5572180 Surface mountable inductor
11/05/1996US5572179 Thin film transformer
10/1996
10/30/1996EP0740496A1 Method for fabricating highly conductive vias
10/30/1996EP0740317A1 Line filter
10/30/1996EP0740316A1 Current-compensated radio interference suppression choke with increased leakage inductance
10/30/1996CN1134592A Coil end connection structure in coil bobbin assembly
10/30/1996CN1134590A Choke coil
10/29/1996US5570074 Very low leakage inductance, single-laminate transformer
10/23/1996CN1134028A Choke coil
10/23/1996CN1134027A Choke coil
10/22/1996US5568111 Ferrite common mode choke adapted for circuit board mounting
10/17/1996DE19614767A1 Induktives Bauelement Inductive component
10/15/1996US5565837 Low profile printed circuit board
10/09/1996CN2237275Y Multi-layer open type line wave damper
10/09/1996CN1132919A High Q-factor integrated inductor
10/09/1996CN1132918A High Q-factor integrated inductor
10/02/1996EP0735549A2 Soft magnetic thin film and thin film magnetic element using the same
10/02/1996DE19511300A1 Method of forming antenna structure for inserting into chip-card
10/01/1996US5561410 Multi-layer coil using electroconductive flexible sheets
09/1996
09/24/1996US5559360 Inductor for high frequency circuits
09/24/1996CA2096375C Monolythic multilayer chip inductor and method for making same
09/19/1996WO1996028832A1 High q integrated inductor
09/19/1996DE19608219A1 Störschutzeinrichtung Störschutzeinrichtung
09/18/1996EP0732708A2 Magnetic and/or magnetisable bobbin
09/18/1996EP0732428A1 Article comprising spinel-structure material on a substrate and method of making the article
09/16/1996CA2171700A1 Magnetic and/or magnetizable winding carrier and method of producing the same