公开(公告)号：US11991494B2

公开(公告)日：2024-05-21

申请号：US17407498

申请日：2021-08-20

Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.

Inventor： Shiwen Guo ,  Xin Yu ,  Hui Yang ,  Xuming He ,  Xianzhuo Qin ,  Ruiwen Shi ,  Haiquan Wu

IPC: H04R1/10 ,  G01N21/84 ,  G01P15/12 ,  H04R1/44 ,  H04W4/80

CPC classification number: H04R1/1041 ,  G01N21/84 ,  G01P15/12 ,  H04R1/44 ,  H04R2420/07 ,  H04W4/80

Abstract: A keyless control device is provided, wherein the first infrared sensor module generates an infrared trigger signal when the earphone is in a wearing state; the Bluetooth controller generates enable signals according to the infrared trigger signal, and the left-ear infrared sensor module generates a first detection signal according to a first enable signal; the right-ear infrared sensor module generates a second detection signal according to the second enable signal; the left-ear acceleration sensor module generates a third detection signal according to the third enable signal when detecting that the left-ear component is knocked; the right-ear acceleration sensor module generates a fourth detection signal according to the fourth enable signal when detecting that the right-ear component is knocked; and finally, the Bluetooth controller performs the functions according to the detection signals.