DISPLAY APPARATUS, UPGRADE APPARATUS, DISPLAY SYSTEM INCLUDING THE SAME AND THE CONTROL METHOD THEREOF

摘要

PURPOSE: A display apparatus, an upgrade apparatus, a display system including the same and a control method thereof are provided to process a first image which is photographed by a first camera included in a display apparatus in the display apparatus and to recognize a user action through a second image photographed by a second camera included in an upgrade apparatus. CONSTITUTION: A first camera (150) photographs a first image. An upgrade apparatus including a second camera (230) to photograph a second image is connected to an upgrade apparatus connection unit (160). A first image processing unit (130) processes an input signal and outputs the processed signal to a display unit (170). A first control unit (140) displays one image out of the first image and the second image on the display unit by controlling the first image processing unit, and recognizes a user action by using the other image between the first image and the second image. [Reference numerals] (110) Image signal processing unit; (120) User input unit; (130) First image processing unit; (140) First control unit; (150) First camera; (160) Upgrade apparatus connection unit; (170) Display unit; (182) Conversion amplifying unit; (185) Voice output unit; (191) First storage unit; (193) Internet connection unit; (195) Voice input unit; (210) Main body connection unit; (220) Second control unit; (230) Second camera; (240) Second image processing unit; (250) Second storage unit; (N) Internet