Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
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03/03/1993 | CN1020018C High-voltage voltage transformer |
03/03/1993 | CA2074892A1 Non-linear inductor with magnetic field reduction |
03/02/1993 | US5191309 Rotary transformer |
02/25/1993 | DE4128009A1 Component for high voltage generation in TV receiver - has conductive rubber contacts within plastics package contg. two chambers for portions of bare bleeder resistor |
02/25/1993 | DE4127836A1 High voltage diode-split transformer for TV receiver - ensures coupling of compartmented sec. to prim. winding surrounding auxiliary windings within two-part coaxial former |
02/16/1993 | US5187428 Shunt coil controlled transformer |
02/04/1993 | DE4225565A1 Rotary transformer for video recorder rotary head drum unit - has several concentric circular screen walls for isolation of adjacent pairs of channels containing transformer coils |
02/03/1993 | EP0525459A1 Transmission device |
01/20/1993 | EP0523517A1 Leakage transformer, especially for gas discharge lamps |
01/20/1993 | EP0272289B1 Ignition coil for ignition systems of internal combustion engines |
01/13/1993 | EP0522303A2 Combined voltage and current transducer for a metal-encapsulated gas-insulated high-voltage installation |
01/13/1993 | EP0522014A1 Cable coupling transformer. |
01/12/1993 | CA1312654C Mutual inductance current transducer, method of making, and electric energy meter incorporating same |
01/07/1993 | EP0521207A1 Induction discharge type ignition device for an internal combustion engine |
01/07/1993 | EP0521147A1 Current transformer |
01/05/1993 | US5177433 Current-voltage transformer for electronic house-service meter |
12/30/1992 | EP0520535A1 Device for transmitting electrical energy and data in automotive vehicles |
12/23/1992 | WO1992022744A1 Coil core with earth contact |
12/23/1992 | CA2071681A1 Apparatus for transmitting electric power and data in motor vehicles |
12/15/1992 | US5172302 Ignition coil unit for an internal combustion engine |
12/15/1992 | US5170768 Modular twin tower distributorless ignition coil |
12/15/1992 | US5170767 Ignition coil for internal combustion engine |
12/02/1992 | EP0515958A1 High voltage starting circuit for igniting and operating AC powered high pressure discharge lamps in vehicles |
11/26/1992 | WO1992021131A1 Apparatus for feeding power in non-contact way |
11/25/1992 | EP0514496A1 Engine ignition system including a transformer assembly and positioning means therefor. |
11/17/1992 | CA2023372C Terminated inductive assembly and method of mounting same |
11/10/1992 | US5162726 Molded electrical apparatus |
11/05/1992 | DE4109423A1 Engine ignition system without mechanical distributor |
11/03/1992 | US5160872 Flyback transformer |
11/03/1992 | US5160820 Welding transformer and method of manufacturing same |
10/28/1992 | EP0511082A1 Brushless type electrical turning machine for detecting the absolute angular position |
10/28/1992 | EP0510926A2 Rotary transformer |
10/28/1992 | EP0510311A2 Current and voltage transformer for a metal encapsulated, gas insulated high-voltage installation |
10/21/1992 | EP0509680A2 Common mode filtered magnetic connector |
10/20/1992 | US5157319 Contactless battery charging system |
10/15/1992 | DE4111236A1 Sum current transducer for fault current protection switch - has secondary winding contained in insulating pot with central cylinder receiving primary |
10/14/1992 | EP0508521A1 Transformer |
10/14/1992 | EP0508374A1 Ignition coil unit for internal combustion engine |
10/13/1992 | US5155676 Electromagnetic device |
10/07/1992 | EP0507360A2 Current mode bus coupler with planar coils and shields |
10/06/1992 | CA1308451C Electrical measuring transformer |
10/01/1992 | WO1992016743A1 Ignition system without distributor |
09/30/1992 | EP0505947A2 Transformer for gas discharge lamps |
09/29/1992 | CA1308172C Magnetron drive apparatus |
09/27/1992 | WO1992017929A1 Inductive power distribution system |
09/23/1992 | EP0504674A2 Instrument transformer for electronic devices rapidly detecting short-circuits |
09/23/1992 | EP0207969B1 Pulsed plasma ignition system |
09/22/1992 | US5150039 Electrical measuring transformer |
09/22/1992 | CA1307823C Electromagnetic contactor with lightweight wide range current transducer with sintered powdered metal core |
09/16/1992 | WO1992017044A1 Protective snap-together enclosure for current transformers |
09/16/1992 | CA2082399A1 Protective snap-together enclosure for current transformers |
09/15/1992 | US5146905 Capacitor discharge ignition system with double output coil |
09/08/1992 | US5144935 Ignition coil unit for an internal combustion engine |
09/02/1992 | EP0501200A2 Compensation principle current sensor |
08/27/1992 | WO1992015051A1 Shunt coil controlled transformer |
08/27/1992 | DE4106034A1 Stromwandler Current transformer |
08/27/1992 | DE4105988A1 Ignition coil for IC engine - has connection to secondary coil made via high voltage terminal that latches into secondary coil former |
08/27/1992 | CA2080461A1 Shunt coil controlled transformer |
08/25/1992 | CA1306794C Heat protection casing |
08/23/1992 | WO1992015104A1 Current transformer |
08/23/1992 | CA2104585A1 Current transformer |
08/06/1992 | WO1992013277A1 Current transformer |
07/23/1992 | DE4101505A1 Line transformer for TV receiver - has two-half ferrite core between whose front faces lies gap shape determining ferrite member |
07/09/1992 | WO1992011648A1 Process and device for manufacturing coils |
07/07/1992 | US5128646 Ignition coil for an internal combustion engine |
07/07/1992 | US5128645 Ignition coil for an internal combustion engine |
07/02/1992 | DE4117181C1 Ignition coil arrangement for IC engine - has laminated core mounted on earthing bolts gripped by sprung spacers which thermally decouple coil from engine |
07/01/1992 | EP0492018A1 Electric measuring transformer |
06/30/1992 | US5126906 Rotary magnetic head device with rotary transformer having high coupling coefficient |
06/30/1992 | US5125386 Coil ignition unit for an internal combustion engine |
06/25/1992 | DE4117182C1 Forming ignition coil mounting for IC engine - fixing laminated core on cylinder head cover so that lower part penetrates latter and protecting from heat radiated by engine by plastics material shell |
06/25/1992 | DE4040604A1 Verfahren und vorrichtung zur herstellung von spulen Method and apparatus for production of coils |
06/24/1992 | CN2108352U Winding frame for feedback transformer |
06/24/1992 | CN1017198B Transformer winding arrangement for a tv apparatus |
06/23/1992 | US5124680 Cased transformer |
06/23/1992 | CA1304130C Current measuring device |
06/17/1992 | EP0490682A1 Small, high-resolution color display apparatus |
06/16/1992 | US5122947 Flyback transformer having coil arrangement capable of reducing leakage of magnetic flux |
06/16/1992 | US5122773 Device for injecting an electromagnetic signal into a conductive wire |
06/16/1992 | US5122729 Power supply device including induction voltage detection coil for charging portable electronic devices |
06/16/1992 | CA1303693C High voltage voltage transformer |
06/11/1992 | WO1992010906A1 High-voltage transformer |
06/11/1992 | WO1992010672A1 Engine ignition system including a transformer assembly and positioning means therefor |
06/11/1992 | DE4039373A1 Hochspannungstransformator High voltage transformer |
06/11/1992 | CA2098100A1 High-voltage transformer |
06/11/1992 | CA2069925A1 Engine ignition system including a transformer assembly and positioning means therefor |
06/02/1992 | CA1302502C Rotatable contactless antenna coupler and antenna |
05/29/1992 | WO1992009136A1 A power supply circuit with integrated magnetic components |
05/19/1992 | CA1301268C Device for injecting electromagnetic signals in an electrical conductor |
05/07/1992 | DE4035209A1 Impedance converter for wideband transmission - has 2=part core wound with winding exhibiting required partial winding ratio |
05/07/1992 | DE4035043A1 Magnetic core for DC measuring device - has two free spaces between abutting ends of cooperating core halves each containing magnetic field probe |
05/06/1992 | EP0484074A2 High-frequency, high-leakage-reactance transformer |
04/30/1992 | WO1992007370A1 High-voltage terminals for ignition coils |
04/30/1992 | CA2053648A1 High-frequency, high-leakage-reactance transformer |
04/28/1992 | US5109209 Ignition coil device for engine |
04/23/1992 | DE4134256A1 Resin-insulated ignition coil assembly for IC engine - contains connections to coil and ignitor in hollow casing with distribution of insulating and retaining material |
04/21/1992 | US5107411 Interference free, pulse type transformer |
04/21/1992 | US5107390 Shell-form transformer in a battery powered impact device |
04/21/1992 | CA1299256C Ac line filter |
04/16/1992 | DE4032280A1 Hochspannungsanschluesse an zuendspulen Hochspannungsanschluesse of ignition coils |