Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 38 - Adaptations of transformers or inductances for specific applications or functions
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
11/1998
11/12/1998WO1998031073A3 Electrical coupler device
11/12/1998CA2288877A1 Inductive power transfer across an extended gap
11/11/1998CN2296794Y Portable electric welder
11/11/1998CN1198532A 220 KV active optical fibre voltage transformer
11/10/1998US5835000 Current transformer assemblies
11/05/1998WO1998049697A1 Magnetic core-coil assembly for spark ignition systems
11/05/1998CA2287447A1 Magnetic core-coil assembly for spark ignition systems
11/03/1998US5831841 Contactless power distribution system
10/1998
10/28/1998EP0874378A2 Charging connector for electric vehicle
10/28/1998EP0873568A1 Ballast for discharge lamp and method and apparatus for manufacturing the same
10/28/1998CN2296068Y Indoor or outdoor dry assembled mutual inductor
10/28/1998CN2296067Y Magnet distribution transformer for man-operating A.C. welder
10/28/1998CN2296065Y Outdoor dry high voltage current and voltage mutual inductor
10/28/1998CN1197536A Ignition coil for an I. C. engine
10/28/1998CN1197279A Inductive coupling apparatus for charging electric car
10/27/1998US5828557 Flyback transformer
10/27/1998US5828282 Apparatus and method for shielding a toroidal current sensor
10/22/1998DE19719730C1 Plug connector for use in explosive area
10/21/1998EP0871966A1 High voltage isolating transformer module
10/21/1998CN2295269Y Pulse transformer
10/15/1998WO1998045867A2 Unit for switching electrical energy
10/15/1998WO1998045861A1 Subassembly for switching electric energy
10/13/1998US5821638 Flux concentrator for an inductive power transfer system
10/08/1998WO1998044519A1 Transformer
10/08/1998CA2285025A1 Transformer
10/07/1998EP0868738A1 Coil winding structure of flyback transformer
10/07/1998EP0577611B1 Inductive power distribution system
10/07/1998CN2293413Y Separating electric welding machine
10/06/1998US5818188 Noncontacting electric power transfer apparatus, noncontacting signal transfer apparatus, split-type mechanical apparatus employing these transfer apparatus, and a control method for controlling same
10/01/1998WO1998043260A1 Ignition coil
09/1998
09/30/1998EP0867899A2 Noncontacting power transfer apparatus
09/30/1998CN2293112Y Dualpurpose current transformer
09/30/1998CN1194444A Non-contact type power transfer device
09/29/1998US5815378 Flyback transformer
09/29/1998US5814900 Device for combined transmission of energy and electric signals
09/22/1998US5812348 Rotary transformer of a head drum assembly for a video cassette
09/22/1998US5811965 DC and AC current sensor having a minor-loop operated current transformer
09/16/1998EP0865139A2 Power flow control with rotary transformers
09/16/1998EP0865050A2 Inductive coupling apparatus for charging an electric car
09/16/1998EP0865049A1 One-spark ignition coil
09/16/1998EP0864164A1 Current-compensated radio interference suppression reactor with increased leakage inductance
09/15/1998US5808537 Inductor core for transferring electric power to a conveyor carriage
09/15/1998US5806505 Ignition coil arragement for multicylinder internal combustion engines
09/10/1998DE19707860A1 Contactless monitoring arrangement for rotary machine part
09/09/1998EP0863519A2 Core assembly for coil units and method for producing the same
09/09/1998EP0863383A1 Resolver with leakage flux absorber
09/09/1998EP0862807A1 Restrain coil for ignition systems
09/09/1998EP0862524A1 Non-contacting device for the transmission of signals between vehicle parts which moves linearly with respect to each other
09/08/1998US5804892 Transmission device
09/02/1998EP0861169A1 Means for guided, unidirectional or bi-directional transmission of electrical signals to a vehicle steering wheel
09/02/1998CN2290110Y Indoor and outdoor dry-type current transformer
09/02/1998CN1192031A Ignition coil bank-winding method
08/1998
08/26/1998EP0860936A2 Transfer of electrical energy
08/26/1998EP0860841A2 Ignition coil bank-winding method
08/26/1998EP0860840A2 Ignition coil bank-winding method
08/26/1998CN1191375A Transformer switch combination unit
08/25/1998US5798902 Linearity signal coupler
08/25/1998US5798682 Synchronous cable coupling device of flyback transformer
08/25/1998US5798622 Noncontacting electric power transfer apparatus, noncontacting signal transfer apparatus, split-type mechanical apparatus employing these transfer apparatus, and a control method for controlling same
08/20/1998WO1998036432A1 Current transformer
08/20/1998DE19735651C1 Textile machine energy and signal transmission
08/20/1998DE19706127A1 Stromwandler Current transformer
08/19/1998EP0859395A2 Low voltage circuit breaker with optionally mounted measuring transducer
08/19/1998EP0859383A2 Stick-type ignition coil having improved structure against crack or dielectric discharge
08/19/1998EP0858668A1 Vhv transfo-rectifier for surface mounting
08/19/1998CN2288494Y Outdoor current transformer
08/19/1998CN2288493Y Indoor/outdoor dry voltage transformer
08/18/1998US5796325 Charging coil core insert for electric toothbrushes
08/18/1998US5796218 High voltage stabilizing circuit
08/18/1998US5794603 For an ignition system in an internal combustion engine
08/13/1998DE19802831A1 Appliance for measuring alternating current which saturate the current transformer core using secondary currents up to saturation point
08/12/1998CN1190486A 高压隔离变压器模件 High-voltage isolation transformer modules
08/11/1998US5793575 Rotary transformer for a video cassette recorder having a stator and a rotor equipped with coils
08/11/1998US5793196 Current transformer for measuring differential-mode and common-mode current
08/11/1998US5791836 In a machining tool
08/06/1998WO1998034249A1 Transformer with voltage regulating means
08/06/1998DE19702438A1 Rod-shaped ignition coil for combustion engine
08/05/1998EP0856856A2 High-voltage generating transformer
08/05/1998CN1039444C Ignition coil for internal combustion engine
08/04/1998US5789703 Device for coupling focus unit of fly back transformer
07/1998
07/30/1998WO1998033164A1 Device for displaying alpha numeric symbols and/or graphic symbols
07/30/1998DE19702751A1 Vorrichtung zur Anzeige von alpha-numerischen Zeichen und/oder Bildzeichen A device for displaying alphanumeric characters and / or symbols
07/30/1998DE19701357A1 Vorrichtung zur kontaktlosen Energieübertragung zwischen gegeneinander beweglichen Teilen Apparatus for contactless energy transfer between mutually movable parts
07/30/1998DE19700110A1 Contactless electrical energy and signal transmission device
07/30/1998CA2278768A1 Device for displaying alpha numeric symbols and/or graphic symbols
07/29/1998EP0855851A2 Discharge lamp unit
07/29/1998CN2286942Y Ring rectifier transformer
07/23/1998WO1998032217A1 Arrangement for the contactless transmission of electric energy and/or electric signals
07/22/1998EP0853809A1 Magnetic core-coil assembly for spark ignition systems
07/21/1998US5783984 Method and means for combining a transformer and inductor on a single core structure
07/16/1998WO1998031073A2 Electrical coupler device
07/14/1998US5781111 Apparatus for deactivation of electronic article surveillance tags
07/14/1998US5781092 Ignition coil for an internal combustion engine
07/14/1998US5781047 Ignition coil driver module
07/14/1998US5778863 Ignition coil for an internal combustion engine
07/09/1998WO1998029919A1 Device for contactless transmission of electrical signals and/or energy
07/01/1998EP0851565A2 Power converter configuration control and construction
07/01/1998EP0851443A1 High voltage diode split half bulk transformer
07/01/1998EP0851442A2 Lead-in insulator
07/01/1998EP0851441A1 Noncontacting signal transfer apparatus
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