Patents
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
02/2014
02/12/2014CN103578723A Pencil ignition coil with high-magnetic-saturation iron core and preparing method thereof
02/12/2014CN103578691A Choke and electro magnetic interference (EMI) filter circuit
02/12/2014CN103569970A High-energy pulse ozone generator
02/11/2014US8650411 Energy management for an electronic device
02/11/2014US8648564 Power transmitting device
02/11/2014CA2583837C Torque sensor
02/06/2014WO2014022238A1 Universal apparatus for wireless device charging using radio frequency (rf) energy
02/06/2014WO2014020268A1 Device for measuring the current flowing in a conductor
02/06/2014US20140035390 Power transmitter, repeater, power receiver, and wireless power transmission system
02/06/2014US20140035384 System and method for controlling resonant wireless power source
02/06/2014US20140035383 Dual-mode wireless power receiver
02/06/2014US20140035382 Inductive power transfer pick up circuits
02/06/2014US20140035364 Feed unit and feed system
02/06/2014US20140033984 Water tank structure with wireless power transmission devices
02/05/2014EP2693454A1 Power-receiving coil, power-reception device, and contactless power-transmission system
02/05/2014CN203423057U Iron-based nanocrystalline zero sequence current transformer for electric leakage protection
02/05/2014CN203423056U Wood clamp board for high and low voltage leading wires of variable-frequency oil-immersed rectifier transformer
02/05/2014CN203423055U Oil-immersed rectifier transformer for high-power high-voltage frequency conversion
02/05/2014CN203421253U SF6 valve used for 220kV inflatable mutual inductor
02/05/2014CN203420817U Pen-type ignition coil with built-in module and magnet
02/05/2014CN103559995A Non-magnetic stainless steel protection device for current transformer
02/05/2014CN103559994A Receiving coil design used for wireless power supply of railway locomotive
02/05/2014CN103559993A Prepulse isolation inductor and capillary discharge soft X-ray laser device using same
02/05/2014CN102723185B Double-channel axial magnetic circuit reluctance type rotary transformer
02/04/2014US8643455 Coil component
01/2014
01/30/2014WO2014017351A1 Coil module and power receiver
01/30/2014WO2013056799A3 Secondary transformer unit for placing on a vehicle with an electric drive and vehicle with an electric drive
01/30/2014US20140029156 Position pointer of the electromagnetic induction type and electronic ink cartridge
01/30/2014US20140028287 Current transformer
01/30/2014US20140028252 Power transfer
01/30/2014US20140028112 Apparatus and method for wireless power transfer
01/30/2014US20140028111 Magnetic power transmission utilizing phased transmitter coil arrays and phased receiver coil arrays
01/30/2014US20140028110 Self-tuning resonant power transfer systems
01/30/2014US20140028109 Wireless power transfer system for freely-moving animal experiments
01/30/2014US20140028108 Inductively coupled power transfer system and device
01/30/2014US20140028107 Apparatus and method for wirelessly receiving power
01/30/2014US20140028106 Non-contact transformer system
01/30/2014US20140028105 Dielectric materials for power transfer system
01/30/2014DE102012213055A1 Device for galvanic insulated distribution of electrical power, supplies power to primary winding of cascade in subsequent inductive loop coupling element through secondary winding of cascade in other inductive loop coupling element
01/29/2014EP2690636A1 Magnetic element for wireless power transmission and method for manufacturing same
01/29/2014EP2690635A1 Subsea transformer
01/29/2014EP2576274B1 A wireless power receiving unit, a wireless power transferring unit, a wireless power transferring device and use of a wireless power transferring device
01/29/2014EP2137744B1 High efficiency gas lighting device for an electric household appliance, in particular a cooking range
01/29/2014CN203415398U Outer shielding case of current transformer
01/29/2014CN203415397U Zero sequence current transformer shell with lead slot
01/29/2014CN203415396U Partial discharge high-frequency current transformer
01/29/2014CN203415395U Vibration reduction base for voltage transformer
01/29/2014CN203415394U Voltage transformer without cable connection
01/29/2014CN203415393U Non-contact charging module, non-contact charging equipment and power-receiving-side electronic equipment
01/29/2014CN203415365U Structure of material-saving inductance type ballast or transformer magnetic core body
01/29/2014CN203415350U Choke transformer
01/29/2014CN103545102A Outdoor integral intelligent combined transformer
01/29/2014CN103545101A Intelligent electronic current transformer
01/29/2014CN103545100A Voltage transformer
01/29/2014CN103545099A 电压互感器 Voltage transformer
01/29/2014CN103545098A Ignition coil with closed magnetic circuit
01/28/2014CA2540449C Inductively powered power transfer system with one or more independently controllable loads
01/23/2014WO2014014545A1 Method and apparatus of sensing and indicating an open current transformer secondary
01/23/2014WO2014013699A1 Power transmission coil
01/23/2014WO2014012943A1 Contactless power and data transfer
01/23/2014WO2014012738A1 Electrical connection arrangement for an ignition coil
01/23/2014WO2014012241A1 Side-mounted current transform measuring structure and measuring method
01/23/2014WO2013117973A3 Power transmitting device, power receiving device and power transfer system
01/23/2014US20140022038 Coil system and housing
01/23/2014US20140021936 High efficiency energy harvester and methods thereof
01/23/2014US20140021910 Entering a battery power down mode using over-the-air command for wireless devices
01/23/2014US20140021797 Non-contact power transmission apparatus
01/23/2014US20140021796 Wireless power transmitter, wireless power relay apparatus, and wireless power receiver
01/23/2014US20140021795 Contactless power transfer system
01/23/2014US20140021794 Wireless power transfer devices
01/23/2014US20140020295 Architectural closure powering device
01/22/2014EP2688078A1 Contactless power and data transfer
01/22/2014CN203406161U Hollow coil with closed magnetic circuit and resistance voltage divider combined electronic instrument transformer
01/22/2014CN203406160U Combined instrument transformer provided with closed magnetic circuit type hollow coil
01/22/2014CN203406159U Hollow coil with closed magnetic circuit and coaxial capacitor combined electronic instrument transformer
01/22/2014CN203406158U Lead sealing device of measuring instrument transformer
01/22/2014CN203406157U Electronic current transformer provided with closed magnetic circuit type hollow coil
01/22/2014CN203406156U Low-remanence high-permeability mutual inductor
01/22/2014CN203406155U Constant permeability magnetic mutual inductor
01/22/2014CN203406154U Air gap-free coupling degree-variable coupling inductor
01/22/2014CN203404009U Ignition coil
01/22/2014CN103534772A Power supply device, power supply system, and electronic device
01/22/2014CN103534771A Power-reception device, power-transmission device, and power-transfer system
01/22/2014CN103532249A Device for the inductive transmission of electric energy
01/22/2014CN103531343A Novel mutual inductor
01/22/2014CN103531342A Medium-and high-power high-frequency current transformer applied to module power supply
01/22/2014CN103531341A Improved current transformer
01/22/2014CN103531340A Intelligent voltage transformer with temperature monitoring function
01/22/2014CN103531339A 变压器 Transformer
01/22/2014CN103531338A Trigger type transformer
01/21/2014US8633616 Modular pocket with inductive power and data
01/21/2014US8633615 Wireless power transmission/reception apparatus and method
01/16/2014WO2014010147A1 Contactless power supply system
01/16/2014WO2014010013A1 Current sensor core and current sensor
01/16/2014US20140015341 Power supplying system
01/16/2014US20140015340 Power transmission system
01/16/2014US20140015338 Receiving coil, reception apparatus and non-contact power transmission system
01/16/2014US20140015336 Variable mode wireless power supply systems
01/16/2014US20140015335 Wireless power transmitter, wireless power receiver, and methods of controlling the same
01/16/2014US20140015333 Wireless power transmitter, method of controlling the same, and temperature compensation method for load value of the wireless power transmitter
1 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ... 136