About 151 results
https://drivepatents.com/patents/975449 · 30 Apr 2014
Embodiments of the present invention may provide a circuit. The circuit may include a primary side, a secondary side, and an isolated energy transfer device (150) electrically isolating the primary side and the secondary side. The primary side may include ...
https://drivepatents.com/patents/976213 · 16 Apr 2014
According to the present invention, a wireless power-transmission apparatus comprises: a wireless power-transmission unit which wirelessly transmits power to at least one wireless power-receiving unit through a magnetic-resonance coupling system; and a mas...
https://drivepatents.com/patents/976028 · 16 Apr 2014
A wireless electric power receiver (850) for receiving wireless electric power from a wireless electric transmitter (800) is provided. The wireless electric power receiver includes an electric power receiving unit that receives wireless electric power from...
https://drivepatents.com/patents/976753 · 2 Apr 2014
The circuit device (28) has a short-circuit monitoring unit (30) for protecting the semiconductor components of a resonance transducer (12). A resonance error controlling unit (31) is formed on the resonance region for the shutdown of the resonance transdu...
https://drivepatents.com/patents/977012 · 26 Mar 2014
A transmitter in a wireless power transmitting system according to the present invention, a transmitter in a wireless power transmitting system includescomprises: a TX power converting unit for converting DC voltage into a first AC voltage and amplifying t...
https://drivepatents.com/patents/977833 · 5 Mar 2014
A wireless power transmission system according to the present invention includes: a pair of antennas 107 and 109 , between which power is transmissible wirelessly by resonant magnetic coupling at a frequency f0 , one of which is a series resonant circuit, ...
https://drivepatents.com/patents/978196 · 26 Feb 2014
Disclosed are a wireless multi-charger system capable of saving the total charging time of a large number of wireless power transmission devices since one wireless multi-power transmission device includes a plurality of the wireless power transmission devi...
https://drivepatents.com/patents/978620 · 12 Feb 2014
A power transmitting device transmitting electric power to a power receiving device includes a power transmitter (110) transmitting electric power in a contactless manner at a resonant frequency having a predetermined relation with a resonant frequency of ...
https://drivepatents.com/patents/978801 · 5 Feb 2014
A power electronics device 10 comprises at least one power module 16 comprising power semiconductors 20, a controller 22 for controlling the power semiconductors 20, and an auxiliary power supply 22 for powering the controller 22; and a rack 14 for support...
https://drivepatents.com/patents/980113 · 8 Jan 2014
Disclosed are a wireless multi-charger system capable of saving the total charging time of a large number of wireless power transmission devices since one wireless multi-power transmission device includes a plurality of the wireless power transmission devi...