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)
07/1998
07/01/1998EP0851440A1 Noncontacting power transfer device
07/01/1998EP0850485A1 Ignition coil for an internal combustion engine
07/01/1998CN2285508Y Step fixing type current transformer
07/01/1998CN1186367A Non-contact electric power distribution device
07/01/1998CN1186366A Electric charging system for electric vehicle
07/01/1998CN1186312A Processes for winding coils of high-voltage transformers
06/1998
06/30/1998US5774320 Modular current transformer for electronic circuit interrupters
06/30/1998US5774035 To detect the current in an alternating current electrical transmission cable
06/30/1998US5773758 Device for fitting and gripping of a flexible cable in a cylindrical orifice and high-voltage transformer euipped with this device
06/25/1998WO1998027561A1 Electric supply system, corresponding terminal and mounting base
06/25/1998DE19755140A1 Circuit for use with e.g. motor vehicle IC engine ignition coil
06/25/1998DE19652638A1 HT transformer
06/25/1998CA2274005A1 Electric supply system, corresponding terminal and mounting base
06/24/1998EP0849747A1 Noise-limiting transformer apparatus and method for making
06/24/1998EP0849600A1 Optical current transformer
06/24/1998EP0849121A1 Procedure for wireless power and data transmission
06/24/1998EP0697131B1 Metal-enclosed high-voltage switchgear with a current transformer
06/24/1998CN1185867A Power source apparatus
06/24/1998CN1185677A Magnetic joining device for charging of electric automobile
06/24/1998CN1185646A Earth leakage circuit-breaker
06/23/1998US5770936 Noncontacting electric power transfer apparatus, noncontacting signal transfer apparatus, split-type mechanical apparatus employing these transfer apparatus, and a control method for controlling same
06/17/1998EP0848396A1 Transformer for switched-mode power supply
06/17/1998EP0848395A2 Current-meter transformer provided with a current divider
06/17/1998EP0848394A1 Integrated ignition coil and spark plug
06/17/1998EP0847342A1 Device for the contactless transfer of signals between two vehicle parts mounted to rotate with respect to each other
06/17/1998EP0748471A4 An electrically controllable inductor
06/17/1998CN2284443Y Current transformer
06/17/1998CN1185019A Two-winding horizontal deflection coil structure for deflection yoke
06/17/1998CN1185010A Switched made power supply transformers
06/16/1998US5767758 Plug cap incorporated type ignition coil
06/11/1998WO1998025279A1 Converter transformer
06/09/1998US5764443 Head drum assembly
06/09/1998US5764128 Coil winding structure of flyback transformer
06/09/1998US5764124 Ignition coil for an internal combustion engine
06/04/1998DE19649682A1 Device for contactless signal- and energy-transmission between mobile units
06/04/1998DE19648381A1 Current limiting arrangement e.g for locomotive power converter
06/03/1998EP0845798A1 Two-winding horizontal deflection coil structure for deflection yoke
06/03/1998EP0845794A1 Noncontacting signal transfer apparatus
06/03/1998EP0845793A1 Noncontacting signal transfer apparatus
06/03/1998EP0844943A1 Arrangement for the contactless transmission of an air-bag release signal
06/03/1998EP0771421B1 Voltage transformer for metal-clad electric switchgear
06/02/1998US5758624 Ignition coil and method of manufacturing the same
05/1998
05/27/1998EP0844627A2 Method for the correction of the wave surface of an optical beam by means of a deformable mirror and mirror used in this method
05/27/1998EP0843871A1 Arrangement for the contactless transmission of signals between a fixed and a rotary vehicle component
05/26/1998US5757258 High voltage isolating transformer module with substrates separated by a fixed distance
05/26/1998CA2101840C Transconductance amplifier circuit
05/20/1998EP0843394A1 Ignition device for internal combustion engine
05/20/1998DE19643848A1 Electrical plug connection for transmission of messages or energy
05/20/1998CN2282255Y Low Changing ratio current mutual inductor
05/19/1998US5754087 High-voltage transformer for a television receiver
05/19/1998US5754034 Electrically controllable inductor
05/14/1998DE19645098A1 Coil element such as choke or transformer for ballast of gas-discharge or fluorescent light
05/13/1998EP0841670A1 Current transformer, trip device and circuit breaker comprising such a transformer
05/13/1998CN1181813A Radio-interrogatable current transformer using surface wave tech. for high-voltage installations
05/13/1998CN1181601A Automatic assembling mfg. method and appts. for ballast
05/13/1998CN1181503A Rogovski coil
05/13/1998CN1038356C Ignition device for an internal combustion engine
05/12/1998US5751205 High-voltage transformer for a television receiver
05/12/1998US5750928 Method of fabrication of electrical cable connector, electrical cable, and high-voltage transformer equipped with such cables
05/06/1998CN2280987Y Semi-poured type current mutual inductor
05/06/1998CN2280986Y Multi-layer frame type line wave-resisting device
05/05/1998US5747981 Inductor for an electrical system
05/05/1998US5747980 Differential transformer correction by compensation
05/05/1998US5747894 Factory automation connector and work pallet
04/1998
04/29/1998EP0838686A2 Self-powered axial current sensor
04/29/1998CN2280346Y Current mutual-inductor
04/29/1998CN2280345Y End-buried type mutual-inductor
04/29/1998CN1180335A Track-guided transport system with power and data transmission
04/28/1998US5745367 Fly back transformer, and its inductance adjusting method and device
04/28/1998US5745020 Flyback transformer with a built-in pin for generating flyback pulse signal
04/28/1998US5744918 Display monitor
04/22/1998EP0837481A2 Ignition coil for internal combustion engine
04/21/1998US5742515 Asynchronous conversion method and apparatus for use with variable speed turbine hydroelectric generation
04/21/1998US5742218 Flyback transformer
04/09/1998WO1998015069A1 Wireless energy and data transfer for a modular peripheral system
04/08/1998EP0834745A2 Rogowski coil
04/08/1998EP0658270B1 Ignition coil
04/07/1998US5737211 Linear-motion contactless power supply system
04/07/1998US5736917 Electromagnetic coil and manufacturing apparatus for the same
04/02/1998WO1998013914A1 Restrain coil for ignition systems
04/02/1998WO1998013803A1 Apparatus for deactivation of electronic article surveillance tags
04/02/1998DE19640367A1 Leitungslose Energie- und Datenübertragung für ein modulares Peripherie-System Line contact energy and data transmission for a modular peripheral system
04/01/1998CN2277564Y Small self-ballasting fluorescent lamp
04/01/1998CN2277558Y Current transformer without air-gap
04/01/1998CN2277557Y Current transformer avoiding or indicating fraudulent use of electricity
03/1998
03/31/1998US5734311 Ignition apparatus for internal-combustion engine
03/31/1998US5734264 Device for measuring electric current, including a sensor sensitive to magnetic flux and intended in particular for electrically propelled vehicles
03/26/1998WO1998012797A1 Interconnection system for electrical systems having differing electrical characteristic
03/26/1998WO1998012718A1 Current-compensated radio interference suppression reactor with increased leakage inductance
03/25/1998CN2277113Y Current mutual inductor for switch cubicle
03/25/1998CN1177192A High voltage transformer for electric cooking oven
03/24/1998US5731959 Resistor-printed board built in a flyback transformer for a video display appliance
03/18/1998CN1176472A Transformer power factor raising method and transformer
03/18/1998CN1176343A 点火线圈装置 Ignition coil device
03/17/1998US5729505 Ignition device for an internal combustion engine
03/12/1998WO1998010450A1 Improved high voltage coil subassemblies and method for their production
03/11/1998EP0828265A1 Current transformer and protective relay comprising such transformer
03/11/1998CN1175782A Engine igniting coil device
03/11/1998CN1175781A Engine igniting coil device and method of winding ignition coil
03/11/1998CN1175780A Engine igniting coil device
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