NONCONTACT CHARGER SYSTEM
First Claim
1. A noncontact charger system comprising:
- a charger including a power transmitting planar coil that transmits high-frequency charging power; and
a charged device including a power receiving planar coil which is magnetically coupled to the power transmitting planar coil to receive the high-frequency charging power in a state in which the power receiving planar coil opposes the power transmitting planar coil to form a predetermined gap, whereinthe charger includes a primary authentication planar coil which transmits high-frequency authenticating power for authenticating the charged device and which receives a high-frequency authenticating signal for authenticating the charged device,the charged device includes a secondary authentication planar coil which is magnetically coupled to the primary authentication planar coil to receive the high-frequency authenticating power and output the high-frequency authenticating signal generated from the high-frequency authenticating power, to the primary authentication planar coil, anda space between the power transmitting planar coil and the power receiving planar coil overlaps with a space between the primary authentication planar coil and the secondary authentication planar coil.
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Accused Products
Abstract
A noncontact charger includes a charger having a power transmitting planar coil that transmits high-frequency charging power and a charged device including a power receiving planar coil magnetically coupled to the power transmitting planar coil to receive the charging power, wherein the charger includes a primary authentication planar coil which transmits high-frequency authenticating power for authenticating the charged device and receives a high-frequency authenticating signal for authenticating the charged device, a secondary authentication planar coil is magnetically coupled to the primary authentication planar coil to receive the authenticating power and output the authenticating signal generated from the authenticating power to the primary authentication planar coil, and a space between the power transmitting planar coil and the power receiving planar coil overlaps with a space between the primary authentication planar coil and the secondary authentication planar coil.
144 Citations
16 Claims
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1. A noncontact charger system comprising:
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a charger including a power transmitting planar coil that transmits high-frequency charging power; and a charged device including a power receiving planar coil which is magnetically coupled to the power transmitting planar coil to receive the high-frequency charging power in a state in which the power receiving planar coil opposes the power transmitting planar coil to form a predetermined gap, wherein the charger includes a primary authentication planar coil which transmits high-frequency authenticating power for authenticating the charged device and which receives a high-frequency authenticating signal for authenticating the charged device, the charged device includes a secondary authentication planar coil which is magnetically coupled to the primary authentication planar coil to receive the high-frequency authenticating power and output the high-frequency authenticating signal generated from the high-frequency authenticating power, to the primary authentication planar coil, and a space between the power transmitting planar coil and the power receiving planar coil overlaps with a space between the primary authentication planar coil and the secondary authentication planar coil. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification