Non-contact charger available of wireless data and power transmission, charging battery-pack and mobile device using non-contact charger
First Claim
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1. A non-contact charger comprising:
- a connector configured to connect to a communication port of a computer and configured to receive a power signal and a data signal from the computer when the connector is connected to the communication port;
a communication driver coupled to the connector and configured to generate an input data based on the data signal received from the computer;
a converter configured to convert the input data generated by the communication driver to a transmission signal to wirelessly transmit the input data to a target object; and
a primary coil configured to generate an induced electromotive force based on the transmission signal to wirelessly transmit the input data to the target object along with an input power signal for the target object.
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Abstract
Disclosed is a non-contact charger. The present invention provides a non-contact charger capable of wireless data communication and power supply between a non-contact charger capable of computer UBS communication and a charging battery-pack of a mobile device, using an induced electromotive force, thereby to enable data communication and power supply at the same time and to make good signal transmission without other poor contacts in the contact transmission.
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Citations
56 Claims
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1. A non-contact charger comprising:
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a connector configured to connect to a communication port of a computer and configured to receive a power signal and a data signal from the computer when the connector is connected to the communication port; a communication driver coupled to the connector and configured to generate an input data based on the data signal received from the computer; a converter configured to convert the input data generated by the communication driver to a transmission signal to wirelessly transmit the input data to a target object; and a primary coil configured to generate an induced electromotive force based on the transmission signal to wirelessly transmit the input data to the target object along with an input power signal for the target object. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A non-contact charger comprising:
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a connector configured to connect to a communication port of a computer and configured to receive a power signal and a data signal from the computer when the connector is connected to the communication port; a communication driver coupled to the connector and configured to convert the data signal to an IrDA signal; an IrDA port for wirelessly transmitting the converted IrDA signal to a target object; and a primary coil configured to generate an induced electromotive force based on the power signal and wirelessly transmit the power signal to the target object. - View Dependent Claims (9, 10, 11)
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12. A non-contact charger comprising:
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a primary coil configured to generate an electric power signal and transmit the generated electric power signal to an external unit, the primary coil being configured to receive an electromotive force generated by the external unit and generate an inductive current in response to the electromotive force; and a current sensor configured to monitor the inductive current generated by the primary coil to obtain identification information of the external unit, wherein the current sensor is configured to control the transmission of the generated electric power signal to the external unit based on the identification information. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A battery pack comprising:
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a rechargeable battery cell; a charger body comprising an induction coil and configured to receive a power signal through a magnetic field induced by the induction coil; a charger controller coupled to the induction coil to process the power signal and transmit the processed power signal to the battery cell; and a shielding member disposed between a surface of the battery cell and the induction coil, wherein the shielding member comprises a board in the form of a mesh comprising Ni—
Cu compound. - View Dependent Claims (22, 23)
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24. A method for wirelessly charging an object comprising:
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connecting a non-contact charger to a communication port of a computer and receiving a power signal and a data signal from the computer; generating an input data based on the data signal received from the computer; converting the generated input data to a transmission signal to wirelessly transmit the input data to a target object; and generating an induced electromotive force in an induction coil based on the transmission signal to wirelessly transmit the input data to the target object along with an input power signal for the target object. - View Dependent Claims (25, 26, 27, 28)
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29. A method for wirelessly charging an object comprising:
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connecting a non-contact charger to a communication port of a computer and receiving a power signal and a data signal from the computer; generating an induced electromotive force in an induction coil based on the power signal and wirelessly transmit the power signal to a target object; converting the data signal to an IrDA signal; and wirelessly transmitting the converted IrDA signal to the target object. - View Dependent Claims (30, 31)
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32. A method for wirelessly charging an external unit, comprising:
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generating an electric power signal in a primary coil and transmitting the generated electric power signal to an external unit; receiving an electromotive force generated by the external unit; generating an inductive current in the primary coil in response to the electromotive force; monitoring the inductive current in the primary coil to obtain identification information of the external unit; and controlling the transmission of the generated electric power signal from the primary coil to the external unit based on the identification information. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39)
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40. A method of shielding a battery cell in a battery pack, wherein the battery pack comprises a rechargeable battery cell and an induction coil configured to receive a power signal through a magnetic field induced by the induction coil, the method comprising:
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shielding a surface of the battery cell from the induction coil by providing a shielding member disposed between the surface of the battery cell and the induction coil, wherein the shielding member comprises a board in the form of a mesh comprising Ni—
Cu compound. - View Dependent Claims (41, 42)
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43. A non-contact charger comprising:
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a resonant converter which makes a current into a half wave or full wave to transmit an electric power to a secondary coil of a device; a primary coil which transmits an ID check signal and transmits the electric power to the secondary coil by means of inductive coupling for charging; and a current sensing block which detects at least one of the device and a foreign substance based on a detected signal which is received in response to the ID check signal, wherein based on a power curve, the electric power falls down along with the charging, wherein the power curve includes a hysteresis period and the current sensing block detects the foreign substance if the detected signal goes beyond the hysteresis period. - View Dependent Claims (44, 45, 46, 47, 48, 49)
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50. A method of non-contact charging comprising:
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making a current into a half wave or full wave to transmit an electric power to a secondary coil of a device; transmitting an ID check signal or the electric power to the secondary coil by means of inductive coupling for charging; and detecting at least one of the device and a foreign substance based on a detected signal which is received in response to the ID check signal, wherein based on a power curve, the electric power falls down along with the charging, wherein the power curve includes a hysteresis period and the foreign substance is detected if the detected signal goes beyond the hysteresis period. - View Dependent Claims (51, 52, 53, 54, 55, 56)
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Specification