Patent ID: 9525910
Filing Date: 2016-12-20
CPC Classification: H04N

Claim Text:
1. A display apparatus comprising: a communicator configured to receive a recommendation channel map comprising channel numbers and channel information mapped to channel numbers from a server device; a memory configured to store the recommendation channel map; a receiver configured to receive a user command corresponding to a respective channel number; a network interface configured to receive contents through a channel corresponding to the user command; a display configured to display the contents; and a processor configured to compare the stored channel information mapped to the respective channel number in the stored recommendation channel map and channel information of the received contents, and to update the recommendation channel map according to a result of comparison, wherein the server device is different than a contents providing server which provides the contents through a broadcast receiving device, wherein the network interface is further configured to receive the contents and the channel information of the contents from the broadcast receiving device, and wherein the processor is further configured to compare the channel information received from the broadcast receiving device with the stored channel information included in the stored recommendation channel map and to control the communicator to transmit the updated recommendation channel map to the server device, in response to the recommendation channel map being updated.