公开(公告)号：US09886848B2

公开(公告)日：2018-02-06

申请号：US14622573

申请日：2015-02-13

Applicant: LG ELECTRONICS INC.

Inventor： Kyechul Lee ,  Jihye Park ,  Sunghyuk Park

IPC: H04N7/18 ,  G06F3/0488 ,  A63F13/00 ,  G08C23/02 ,  G08C17/02 ,  G08C23/04 ,  H04N5/232

CPC classification number: G08C23/02 ,  G08C17/02 ,  G08C23/04 ,  G08C2201/20 ,  G08C2201/30 ,  G08C2201/51 ,  G08C2201/70 ,  G08C2201/91 ,  G08C2201/93 ,  H04N5/23203 ,  H04N5/23293

Abstract: A mobile terminal includes a wireless communication unit; a camera; a display; an ultrasound transmission unit; and a controller configured to control the wireless communication unit, the camera, the display, and the ultrasound transmission unit. The mobile terminal is configured to: transmit a first detection prepare request signal to allow a plurality of external devices located within a control area to switch to a prepare state; acquire an image including at least one of the plurality of external devices that switches to the prepare state; selectively transmit an ultrasound signal to the at least one of the plurality of external devices included in the image; receive associated control information from each of the at least one of the plurality of external devices; and display a graphic image related to the associated control information from each of the at least one of the plurality of external devices.