Patent ID: 9602756
Date: 2017-03-21
CPC Classifications: G06F,H04N

Claim:
1. A display apparatus comprising: a display unit which displays an image thereon; a first image processor which processes an image signal; a first central processor which controls the display unit and the first image processor; and a first controller which selectively grants a control right to one of the first central processor and an upgrading apparatus, which processes the image signal and upgrades the display apparatus, to control the display apparatus, wherein the first controller grants the control right to the upgrading apparatus to perform a predetermined control operation corresponding to a predetermined event by using a second central processor when the upgrading apparatus is connected to the display apparatus via a connector which is provided in the display apparatus, and wherein, when the upgrading apparatus is connected to the display apparatus via the connector, the display apparatus outputs the image signal, via the connector, to the upgrading apparatus having the control right as a subject operates, receives the image signal processed by a second image processor of the upgrading apparatus, the second image processor comprising a decoder and the received image signal being decoded by the decoder, and displays an image on the display unit based on the image signal processed by the second image processor, wherein the second image processor is controlled by the second central processor.