Near field communication and wireless charging device and switching method using the same
First Claim
1. A near field communication and wireless charging device comprising:
- a coil configured to receive electromagnetic waves;
a tuning module electrically connected to the coil, wherein the tuning module comprises;
a first tuning element electrically connected to the near field communication module and the coil; and
a second tuning element electrically connected to the wireless charging module and the coil, wherein a capacitance of the first tuning element is smaller than a capacitance of the second tuning element;
a near field communication module comprising;
an attenuator configured to attenuate the energy of the electromagnetic waves transmitted from the tuning module; and
a near field communication control circuit electrically connected to the attenuator to process near field communication information of the electromagnetic waves attenuated by the attenuator;
a wireless charging module; and
a power storage device electrically connected to the wireless charging module,wherein the electromagnetic waves are capable of magnetically coupling to the coil, such that the coil transmits signals of the electromagnetic waves to the near field communication module through the tuning module, or transmits the energy of the electromagnetic waves to the power storage device through the tuning module and the wireless charging module.
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Accused Products
Abstract
A near field communication and wireless charging device includes a coil, a tuning module, a near field communication module, a wireless charging module, and a power storage device. The coil is configured to receive electromagnetic waves. The tuning module is electrically connected to the coil. The near field communication module includes an attenuator and a near field communication control circuit. The attenuator is configured to attenuate the energy of electromagnetic waves transmitted from the tuning module. The near field communication control circuit is electrically connected to the attenuator. The power storage device is electrically connected to the wireless charging module. Electromagnetic waves are magnetically coupling to the coil, and the coil transmits signals of the electromagnetic waves to the near field communication module through the tuning module, or transmits the energy of the electromagnetic waves to the power storage device through the tuning module and the wireless charging module.
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Citations
20 Claims
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1. A near field communication and wireless charging device comprising:
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a coil configured to receive electromagnetic waves; a tuning module electrically connected to the coil, wherein the tuning module comprises; a first tuning element electrically connected to the near field communication module and the coil; and a second tuning element electrically connected to the wireless charging module and the coil, wherein a capacitance of the first tuning element is smaller than a capacitance of the second tuning element; a near field communication module comprising; an attenuator configured to attenuate the energy of the electromagnetic waves transmitted from the tuning module; and a near field communication control circuit electrically connected to the attenuator to process near field communication information of the electromagnetic waves attenuated by the attenuator; a wireless charging module; and a power storage device electrically connected to the wireless charging module, wherein the electromagnetic waves are capable of magnetically coupling to the coil, such that the coil transmits signals of the electromagnetic waves to the near field communication module through the tuning module, or transmits the energy of the electromagnetic waves to the power storage device through the tuning module and the wireless charging module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A switch method of near field communication and wireless charging comprising:
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detecting an operation frequency of electromagnetic waves received by a coil; and selecting to proceed a near field communication mode or a wireless charging mode according to the operating frequency;
if selecting the near field communication mode, transmitting the energy of the electromagnetic waves through a first tuning element and attenuating the energy of the electromagnetic waves and then processing information of the electromagnetic waves; and
if selecting the wireless charging mode, transmitting the energy of the electromagnetic waves to a power storage device through a second tuning element which has a capacitance greater than a capacitance of the first tuning element. - View Dependent Claims (19, 20)
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Specification