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US 2014/0152120 A1Published application
Electronic device and system
AssigneeNEC Tokin Corporation
InventorsJunetsu Urata, Yuki Takahashi, Koji Sato
Life of this patent
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Abstract
This primary-side device (electronic device) is provided with a first coil for non-contact power transmission, a second coil for communication, a protection circuit containing an intermediate tap of the second coil, and a control circuit. The control circuit sends a control signal to the protection circuit when the first coil is used to transmit power. The protection circuit opens the second coil when the control signal is received.
Claims15
An electronic device comprising:
- a first coil for non-contact power transmission;
- a second coil for communication;
- a protection circuit including a center tap of the second coil, the protection circuit opening the second coil upon receiving a control signal;
- and
- control-signal sending means which sends the control signal to the protection circuit when the first coil is used to transmit electric power.
2 more elements
Dependencies are inferred from the claim text.