| CPC H04L 63/08 (2013.01) [H04L 63/0853 (2013.01); H04W 12/06 (2013.01); H04W 12/084 (2021.01); H04W 12/55 (2021.01)] | 11 Claims |
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1. A method of operating a system including an image display device, a first external device, a second external device, and a first server associated with the second external device, the method comprising:
an authentication operation between the image display device and the first external device comprising:
generating, by the first external device, authentication data based on device information of the image display device, and transmitting the authentication data to the image display device according to a preset communication protocol;
displaying, by the image display device, an authentication code composed of at least one letter, number, or symbol corresponding to the authentication data; and
determining, by the first external device, the image display device as an authenticated device based on receiving information of the displayed authentication code corresponding to the authentication data;
a transmission operation comprising:
transmitting, by the first external device, device information of the image display device to the first server based on the image display device being determined as the authenticated device;
generating, by the first server, an authentication token corresponding to the device information of the image display device, and transmitting the authentication token to the first external device; and
transmitting, by the first external device to the image display device, the authentication token received from the first server, data related to the second external device, and at least one control command related to a control of the second external device; and
a control operation comprising transmitting to the second external device, by the image display device, a control signal based on a user input received at the image display device to perform one of the at least one control command corresponding to the user input.
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7. An image display device comprising:
a display configured to display an image;
a user input receiver configured to receive a user input;
a transceiver configured to transmit and receive a signal including data;
a memory; and
a controller configured to transmit and receive data to and from one or more external devices through the transceiver,
wherein the controller is further configured to:
receive data related to the image display device from a first external device through the transceiver, wherein the data related to the image display device comprises authentication data generated based on device information of the image display device; and
output through the display an authentication code composed of at least one letter, number, or symbol corresponding to the authentication data to be provided to the first external device for determining the image display device as an authenticated device by the first external device;
receive, through the transceiver, an authentication token generated by a first server associated with a second external device based on device information of the image display device provided by the first external device, data related to the second external device, and at least one control command related to control of the second external device from the first external device;
store the received authentication token in the memory;
generate the control signal for transmission to the second external device based on the authentication token and the one of the at least one control command corresponding to the user input; and
transmit, to the second external device through the transceiver, a control signal for one of the at least one control command based on a user input received via the user input receiver corresponding to the one of the at least one control command.
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