Patent ID: 8250612

Claim:
A method for controlling a digital television (DTV) located in one independent space among a plurality of independent spaces physically separated from one another, wherein the DTV includes an access point (AP) card, the method comprising: receiving guest information recorded in a storage area of a compact wireless device and a wired equivalent privacy (WEP) key value of the AP card, wherein the AP card generates a predetermined unique WEP key value by combining at least one of a independent space identification information; receiving the WEP key value corresponding to the AP card of the DTV from a management server; comparing the WEP key value received from the compact wireless device with the WEP key value received from the management server; switching an operation mode of the DTV from a power-off mode to a wake mode, if the WEP key values are identical to each other; and controlling at least one guest information received from the compact wireless device to be displayed, wherein the guest information to be displayed is customized content to only the guest, wherein the AP card includes middleware to drive a variety of applications provided to the guest and supports the multi-protocol interface to control devices of respective independent spaces.