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Takashi Urano, Tokyo JP

Takashi Urano, Tokyo JP

Patent application numberDescriptionPublished
20110049997WIRELESS POWER FEEDER AND WIRELESS POWER TRANSMISSION SYSTEM - Power is transmitted from a feeding coil L03-03-2011
20110080053WIRELESS POWER FEEDER AND WIRELESS POWER TRANSMISSION SYSTEM - Power is transmitted from a feeding coil L04-07-2011
20110080054WIRELESS POWER FEEDER AND WIRELESS POWER TRANSMISSION SYSTEM - Power is fed from a feeding coil L04-07-2011
20110095619WIRELESS POWER FEEDER, WIRELESS POWER TRANSMISSION SYSTEM, AND TABLE AND TABLE LAMP USING THE SAME - Power is fed from a feeding coil to a receiving coil by magnetic resonance. A drive circuit outputs an IN signal generated by an oscillator as a DR signal to alternately turn ON/OFF switching transistors at a resonance frequency, whereby AC current is fed to the feeding coil, and then the AC current is fed from the feeding coil to the receiving coil. An enable signal generation circuit generates an EN signal at a frequency lower than the resonance frequency. The drive circuit outputs the DR signal only while the EN signal assumes a high level. Transmission power from a wireless feeder to a wireless receiver is controlled by adjusting the duty ratio of the EN signal.04-28-2011
20110101791WIRELESS POWER FEEDER, WIRELESS POWER TRANSMISSION SYSTEM, AND TABLE AND TABLE LAMP USING THE SAME - Power is fed from a feeding coil L05-05-2011
20110127846WIRELESS POWER FEEDER, WIRELESS POWER RECEIVER, AND WIRELESS POWER TRANSMISSION SYSTEM - Power is fed from a feeding coil L06-02-2011
20110193421WIRELESS POWER FEEDER, WIRELESS POWER RECEIVER, AND WIRELESS POWER TRANSMISSION SYSTEM - Power is fed from a feeding coil L08-11-2011
20110198940WIRELESS POWER FEEDER, WIRELESS POWER RECEIVER, AND WIRELESS POWER TRANSMISSION SYSTEM - Power is fed from a feeding coil to a receiving coil using magnetic resonance. The feeding coil is wound in a first layer substrate 08-18-2011