Image processing apparatus and method for selective power supply
First Claim
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1. An image processing apparatus comprising:
- a chipset unit which processes data;
a connector which comprises a plurality of terminals, the connector is configured for connection with a cable in order for the chipset unit to transmit and receive a signal to and from an external device;
a power supply which supplies power to the chipset unit and to a switching unit; and
the switching unit which supplies power to the external device through a first terminal of the connector, wherein a switching operation of the switching unit regarding whether to supply power to the first terminal is controlled on the basis of a signal state of a second terminal of the connector, when the cable is connected to the connector,wherein the signal state of the second terminal is changed depending on whether a third terminal of the connector is connected to the second terminal.
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Abstract
An image processing apparatus includes a chipset unit which processes data; a connector which includes a plurality of terminals, and is configured to connect with a cable so that the chipset unit can transmit and receive a signal to and from an external device; a switching unit which supplies power to the external device through a first terminal of the connector, and selectively controls a switching operation regarding whether or not to supply power to the first terminal on the basis of a signal state of a second terminal of the connector when the cable is connected to the connector. A control method of the image processing apparatus is also disclosed.
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Citations
23 Claims
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1. An image processing apparatus comprising:
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a chipset unit which processes data; a connector which comprises a plurality of terminals, the connector is configured for connection with a cable in order for the chipset unit to transmit and receive a signal to and from an external device; a power supply which supplies power to the chipset unit and to a switching unit; and the switching unit which supplies power to the external device through a first terminal of the connector, wherein a switching operation of the switching unit regarding whether to supply power to the first terminal is controlled on the basis of a signal state of a second terminal of the connector, when the cable is connected to the connector, wherein the signal state of the second terminal is changed depending on whether a third terminal of the connector is connected to the second terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A control method of an image processing apparatus including a chipset unit which processes data;
- and a connector which includes a plurality of terminals and connects with a cable so that the chipset unit can transmit and receive a signal to and from an external device, the method comprising;
selectively switching the supply of power to a first terminal on the basis of a signal state of a second terminal of the connector different from the first terminal of the connector providing power of the image processing apparatus to the external device, when the cable is connected to the connector; and transmitting the power to the first terminal in response to the second terminal being a preset signal state, wherein the signal state of the second terminal is varied depending on whether or not a third terminal of the connector is connected to the second terminal. - View Dependent Claims (15, 16, 17, 18, 19, 20)
- and a connector which includes a plurality of terminals and connects with a cable so that the chipset unit can transmit and receive a signal to and from an external device, the method comprising;
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21. An image processing apparatus comprising:
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a connector which comprises a plurality of terminals, the connector is configured for connection with a cable to receive signals from an external device; and a power supply which supplies power to a switching unit; and the switching unit which supplies power to the external device through a first terminal of the connector, wherein a switching operation of the switching unit regarding whether to supply power to the first terminal is controlled based on a signal state of a second terminal of the connector, and the signal state of the second terminal is changed depending on whether a third terminal of the connector is connected to the second terminal. - View Dependent Claims (22, 23)
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Specification