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)
11/2003
11/20/2003WO2003096139A2 Connecting cable for contactless data and power transmission
11/20/2003US20030214313 Current detection equipment and semiconductor device
11/20/2003US20030214255 Inductively powered apparatus
11/19/2003EP1363296A1 Common mode radio interference suppression choke for electronic ballast
11/19/2003EP1362356A1 Rotary transformer
11/19/2003CN1457498A Inductive coupling system with capacitive parallel compensation of mutual self-inductance between primary and secondary windings
11/18/2003US6650221 Ignition coil for an internal combustion engine
11/18/2003US6650219 Ignition coil core isolation
11/18/2003US6650218 Inverter transformer
11/13/2003WO2003094365A2 Construction of medium voltage power line data couplers
11/13/2003WO2003094364A2 High current inductive coupler and current transformer for power lines
11/13/2003WO2003094181A1 Single-unit magnetic coupler and switching power supply
11/13/2003WO2003005380B1 Device for the inductive transmission of electrical power
11/13/2003US20030210120 Welding power supply transformer
11/13/2003US20030210106 Contact-less power transfer
11/13/2003CA2485094A1 Construction of medium voltage power line data couplers
11/13/2003CA2481579A1 High current inductive coupler and current transformer for power lines
11/12/2003EP1361588A1 Bobbin structure and transformer and inductor employing same
11/12/2003EP1114429B1 Current transformer with a direct current tolerance
11/12/2003CN2586234Y Combined indoor high voltage current mutual inductor
11/12/2003CN1455422A Cooling method and apparatus for furnace high-voltage transformer
11/12/2003CN1455260A Voltage sensor for monitoring alternating current
11/11/2003US6646555 Wireless communication device attachment and detachment device and method
11/11/2003US6644276 Ignition mounting arrangement in internal-combustion engine
11/06/2003WO2003092147A1 Blocking oscillator converter arrangement
11/06/2003CA2822260A1 Inductively powered lamp assembly
11/06/2003CA2771058A1 Inductively powered lamp assembly
11/05/2003EP1359595A2 Rotor transformer positioning mechanism and operating method therefor
11/05/2003CN2585378Y Combination type mutual inductor for high voltage instrument
11/05/2003CN2585377Y Three-phase moving-iron type silicon rectifier transformer for welder
11/05/2003CN1127098C Electro magnetic coil
11/04/2003US6642829 High-voltage transformer
11/04/2003US6642672 Integrated filter with common-mode and differential-mode functions
10/2003
10/30/2003WO2003052793A3 Contactless energy transfer apparatus
10/30/2003US20030201873 High current inductive coupler and current transformer for power lines
10/30/2003US20030201862 Inductive power transmission and distribution apparatus using a coaxial transformer
10/30/2003US20030201861 Ignition coil
10/30/2003US20030201859 Transformer
10/30/2003US20030200959 Ignition coil assembly for engine
10/29/2003EP1357770A1 High-voltage transformer
10/29/2003EP1357565A2 Method and device for cooling high voltage transformer for microwave oven
10/29/2003EP1255671B1 Remote operated vehicles
10/29/2003CN1451862A Ignition device for IC engine
10/28/2003US6639770 Current transformer and method for correcting asymmetries therein
10/28/2003US6639501 Low voltage bobbin of a flyback transformer
10/28/2003US6639498 Ignition coil for use in internal combustion engine
10/23/2003WO2003086807A1 Device for supplying energy and for guiding a mobile object inductively
10/23/2003US20030197584 Ignition apparatus having spark plug connection which supplies isolation between plug and apparatus
10/23/2003US20030197583 Method and device for cooling high voltage transformer for microwave oven
10/23/2003CA2481445A1 Device for supplying energy and for guiding a mobile object inductively
10/23/2003CA2425631A1 Method and device for cooling high voltage transformer for microwave oven
10/22/2003CN2582130Y Active optical fibre current transformer
10/22/2003CN2582129Y Tube-shaped ballast
10/16/2003US20030193385 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
10/16/2003US20030192519 Ignition device for internal combustion engine
10/15/2003EP1353066A2 Ignition device for internal combustion engine
10/15/2003CN2580578Y Current mutual inductor of generator main loop
10/15/2003CN2580448Y Iron-core current sensor
10/15/2003CN1448965A Charging connector for mini electric vehicle
10/09/2003US20030189476 Internal combustion engine ignition coil, and method of producing the same
10/09/2003DE20208785U1 System for inductive transmission of electric energy for material supply and passenger transport with several, galvanically separated conductor loops allocated to different sections of motion track
10/08/2003EP1351356A2 Ignition device for an internal combustion engine
10/08/2003EP1351355A2 Ignition device for an internal combustion engine and a manufacturing method therefor
10/08/2003EP1351354A2 Ignition device for an internal combustion engine an its assembling method
10/08/2003EP1351353A2 Ignition device for an internal combustion engine
10/08/2003EP1351264A1 Medium-frequency transformer for welding machines
10/08/2003CN2578948Y Large current mutual inductor for 600MW power generator
10/08/2003CN2578947Y Highland style current inducer with contacts box
10/08/2003CN2578834Y Accurate Rogovski high voltage current sensor
10/08/2003CN1447023A Ignition coil for engine and engine with plastic cylinder cover
10/02/2003WO2003081615A1 Power transformer for wind energy plants
10/02/2003US20030184424 Ignition coil for an internal combustion engine
10/02/2003US20030184202 Ignition device for internal combustion engine and a manufacturing method therefor
10/02/2003US20030183218 Ignition device for internal combustion engine
10/02/2003US20030183217 Ignition device for an internal combustion engine
10/02/2003US20030183215 Ignition device for an internal combustion engine and its assembling method
10/02/2003US20030183214 Ignition device for internal combustion engine
10/01/2003EP1349247A1 Ignition device for multicylinder internal combustion engine
10/01/2003EP1010014B1 Magnet core
10/01/2003CN2577421Y Dry current transformer
10/01/2003CN1446363A Beacon system with improved insulation and sealing
09/2003
09/25/2003WO2003079379A1 Composite core nonlinear reactor and induction power receiving circuit
09/25/2003WO2003079378A2 High impedance electrical transformer and manufacturing method
09/25/2003US20030179105 Inductive transformer
09/25/2003US20030179065 Low voltage bobbin of a flyback transformer
09/25/2003US20030179061 Casing of a flyback transformer
09/25/2003DE20207636U1 Electrical transformer for use with halogen bulbs has pair of connecting terminals allowing ease of access to the transformer
09/24/2003EP1346380A1 High voltage transformer with over voltage protection, and method for over voltage protection
09/24/2003CN2575822Y Keying thin film circuit apparatus
09/24/2003CN2575821Y Button switch with lamp
09/24/2003CN1122370C Apparatus for encoding motion vector
09/23/2003US6622712 Resin-insulated ignition coil
09/18/2003US20030173936 Rotary transformer
09/17/2003EP0943149B1 Electric supply system, corresponding terminal and mounting base
09/16/2003US6621268 Operation diagnosing device, article identification device for use therewith, and operation diagnosing system
09/11/2003US20030169589 Beacon system with enhanced insulation and sealing
09/11/2003US20030169141 Ignition coil with insulating resin
09/11/2003US20030169140 Flyback transformer mounting structure for video apparatus
09/10/2003EP0918930B1 Ignition coil
09/10/2003CN2572527Y Small change rate SF6 gas insulation current mutual inductor
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