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Image processing apparatus and method for selective power supply

  • US 8,930,730 B2
  • Filed: 09/07/2011
  • Issued: 01/06/2015
  • Est. Priority Date: 03/02/2011
  • Status: Active Grant
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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