IMAGE DISPLAY APPARATUS HAVING FUNCTION OF CHARGING EXTERNAL DEVICE AND CHARGING METHOD THEREOF
First Claim
Patent Images
1. An image display apparatus comprising:
- a universal serial bus (USB) interface which is operable to be connected to an external device through a power supply line and a data transmission line; and
a main controller which, if the external device is connected to the USB interface, activates one of the power supply line and the data transmission line according to a type of the external device.
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Abstract
An image display apparatus having a function of charging an external device and a charging method thereof are provide. The image display apparatus includes a universal serial bus (USB) interface which is connected to an external device through a power supply line and a data transmission line, and a main controller which, if the external device is connected, activates one of the power supply line and the data transmission line according to a type of the external device. Accordingly, the image display apparatus controls a USB terminal to selectively perform a charging operation or a data transmission operation.
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Citations
18 Claims
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1. An image display apparatus comprising:
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a universal serial bus (USB) interface which is operable to be connected to an external device through a power supply line and a data transmission line; and a main controller which, if the external device is connected to the USB interface, activates one of the power supply line and the data transmission line according to a type of the external device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for charging an external device, of an image display apparatus which is operable to be connected to the external device through a universal serial bus (USB) interface, the method comprising:
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if the external device is connected to the image display apparatus, determining a mode according to a type of the external device; and if the determined mode is a charging mode, activating a power supply line to charge the external device, and if the determined mode is a data transmission mode, activating a data transmission line. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of charging an apparatus, the method comprising:
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connecting an external device to a television through a universal serial bus (USB) interface; supplying power from the television to the external device to charge a rechargeable power supply unit of the external device; and determining whether the rechargeable power supply unit is completely charged or whether a power supplied to the external device exceeds a threshold value. - View Dependent Claims (18)
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Specification