公开(公告)号：US20200042134A1

公开(公告)日：2020-02-06

申请号：US16357556

申请日：2019-03-19

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Yu-Chung LIN ,  He-Wei HUANG ,  Chun-Ching HUANG ,  Yao-Ren FAN

IPC: G06F3/041 ,  G06F3/038 ,  H04W72/12 ,  H04W56/00

Abstract: A controller and a touch display device are disclosed. The controller used in a touch display device is configured to perform: transmitting a first uplink signal to an input device in a time slot of a frame: and transmitting one or more second uplink signal in one or more time slots of the frame to cause the input device to transmit one or more downlink signals in response to each of the one or ore second uplink signals.