US 12,450,185 B2
Switching device applied to a display and method of switching working modes
Cheng-Hsiu Tsai, Taoyuan (TW)
Assigned to Qisda Corporation, Taoyuan (TW)
Filed by QISDA CORPORATION, Taoyuan (TW)
Filed on Aug. 23, 2023, as Appl. No. 18/236,958.
Claims priority of application No. 202211209735.6 (CN), filed on Sep. 30, 2022.
Prior Publication US 2024/0111698 A1, Apr. 4, 2024
Int. Cl. G06F 13/38 (2006.01); G06F 13/40 (2006.01); G10L 15/22 (2006.01)
CPC G06F 13/385 (2013.01) [G06F 13/4022 (2013.01); G10L 15/22 (2013.01); G06F 2213/0042 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A switching device applied to a display, the switching device comprising:
a universal serial bus (USB) connector adapted to connect with a USB device or a voice control device;
a multiplexer electrically connected to the USB connector;
a USB hub electrically connected to the multiplexer and adapted to output a USB detection signal; and
a controller electrically connected to the multiplexer and the USB hub and adapted to output a reminder command, the controller presetting that the voice control device is actuated, and determining whether the multiplexer actuates a USB channel for the USB connector or locks a voice control channel for the actuated voice control device in accordance with a response from the reminder command.