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Request signal of an image program according to specific input sources based on the received list to the external display devices

  • US 9,401,123 B2
  • Filed: 04/22/2009
  • Issued: 07/26/2016
  • Est. Priority Date: 12/15/2008
  • Status: Active Grant
First Claim
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1. A display device having a network function, comprising:

  • a display unit;

    a network interface unit that performs data communication with a plurality of external display devices through a network, the external display devices each including a plurality of input sources interfaces; and

    a controller configured to;

    transmit access request signals to a specific external display device, from among the plurality of external display devices, through the network interface unit,receive a list of input source interfaces from the specific external display device in response to the access request signals, the list of input source interfaces including at least one input source interface that access is permissible among the plurality of input source interfaces,transmit request signals to the specific external display device, wherein the request signals represents transmission of image programs through a specific input source interface of the specific external display device, from among the plurality of input source interfaces, to the display device and the specific input source interface is one selected, by the display device, from the at least one access-permissible input source interface included in the received list of input source interfaces,receive, from the specific external display device, the image programs transmitted through the selected specific input source interface of the specific external display device when the selected specific input source interface of the specific external display device is currently not being used in other external display devices except for the specific external display device, anddisplay, on the display unit, the image programs received through the selected specific input source interface of the specific external display device,wherein the input source interface is a physical terminal of the external display device for transmitting the image programs.

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