公开(公告)号：US20200371606A1

公开(公告)日：2020-11-26

申请号：US16962667

申请日：2019-01-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hui Jun SHIM ,  Gwan-Hyung KIM ,  Gyeong Gu KIM ,  Sang Ho KIM

IPC: G06F3/0346 ,  G01S13/48

Abstract: The disclosure provides a display apparatus, a display system, and a control method thereof that are capable of deriving the high-accuracy position of an input device without being affected by the surrounding environment using radar with enhanced power efficiency.The display system includes: a display; an input device configured to transmit an initial position signal; a plurality of antenna modules configured to transmit a position detection signal, receive a reflection signal of the position detection signal that is reflected from the input device and a surrounding object, and receive the initial position signal transmitted from the input device; and a controller configured to perform control to cause a pointer to be displayed on the display based on a position of the input device according to the received initial position signal and the reflection signal.