Patent ID: 8627364

Claim:
A digital system of processing service data, comprising: a first device configured to: transmit at least one of device information and device location information of the first device to a second device which is connected to the first device, receive service data from the second device, the service data being extracted based upon at least one of the device information and the device location information of the first device, process and output the service data on a screen, transmit a command signal which is selected from the outputted service data to the second device, receive respond data corresponding to the command signal from the second device, and output the respond data on the screen, wherein the first device is further configured to: transmit a request to both transfer a device identifier according to a HyperText Transfer Protocol (HTTP) and a key for data encryption to the second device, receive a response code and the key from the second device, encrypt a service list which is currently displayed on the screen using the key, and transmit the encrypted service list to the second device.