US 11,991,494 B2
Keyless control device and earphone
Shiwen Guo, Shenzhen (CN); Xin Yu, Shenzhen (CN); Hui Yang, Shenzhen (CN); Xuming He, Shenzhen (CN); Xianzhuo Qin, Shenzhen (CN); Ruiwen Shi, Shenzhen (CN); and Haiquan Wu, Shenzhen (CN)
Assigned to SHENZHEN GRANDSUN ELECTRONIC CO., LTD., Shenzhen (CN)
Filed by SHENZHEN GRANDSUN ELECTRONIC CO., LTD., Shenzhen (CN)
Filed on Aug. 20, 2021, as Appl. No. 17/407,498.
Application 17/407,498 is a continuation in part of application No. PCT/CN2020/076018, filed on Feb. 20, 2020.
Claims priority of application No. 201920215706.8 (CN), filed on Feb. 20, 2019.
Prior Publication US 2021/0385568 A1, Dec. 9, 2021
Int. Cl. H04R 1/10 (2006.01); G01N 21/84 (2006.01); G01P 15/12 (2006.01); H04R 1/44 (2006.01); H04W 4/80 (2018.01)
CPC H04R 1/1041 (2013.01) [G01N 21/84 (2013.01); G01P 15/12 (2013.01); H04R 1/44 (2013.01); H04R 2420/07 (2013.01); H04W 4/80 (2018.02)] 12 Claims
OG exemplary drawing
 
1. A keyless control device, wherein the keyless control device is arranged in an earphone comprising a left-ear component and a right-ear component, and the keyless control device comprises:
a first infrared sensor module, which is configured to generate an infrared trigger signal when the earphone is in a wearing state;
a Bluetooth controller, which is connected with the first infrared sensor module and is configured to generate a first enable signal, a second enable signal, a third enable signal and a fourth enable signal according to the infrared trigger signal and perform functions corresponding to a first detection signal, a second detection signal, a third detection signal and a fourth detection signal;
a left-ear infrared sensor module, which is connected with the Bluetooth controller and is configured to generate the first detection signal according to the first enable signal when detecting that the left-ear component is swept past by a user's hand;
a right-ear infrared sensor module, which is connected with the Bluetooth controller and is configured to generate the second detection signal according to the second enable signal when detecting that the right-ear component is swept past by the user's hand;
a left-ear acceleration sensor module, which is connected with the Bluetooth controller and is configured to generate the third detection signal according to the third enable signal when detecting that the left-ear component is knocked;
a right-ear acceleration sensor module, which is connected with the Bluetooth controller and is configured to generate the fourth detection signal according to the fourth enable signal when detecting that the right-ear component is knocked;
a Hall sensor module, which is configured to generate a Hall trigger signal when detecting that the left-ear component and the right-ear component are not in a magnetic attraction state;
a first left-ear power circuit, which is connected with the Bluetooth controller, the first infrared sensor module, the left-ear infrared sensor module and the left-ear acceleration sensor module, and is configured to generate a first power for left-ear according to a first switch signal and a power supply, and supply the first power for left-ear to the first infrared sensor module, the left-ear infrared sensor module and the left-ear acceleration sensor module;
a second left-ear power circuit, which is connected with the Bluetooth controller, the first infrared sensor module, the left-ear infrared sensor module and the left-ear acceleration sensor module, and is configured to generate a second power for left-ear according to a second switch signal and the power supply, and supply the second power for left-ear to the first infrared sensor module, the left-ear infrared sensor module and the left-ear acceleration sensor module;
a first right-ear power circuit, which is connected with the Bluetooth controller, the first infrared sensor module, the right-ear infrared sensor module and the right-ear acceleration sensor module, and is configured to generate a first power for right-ear according to the first switch signal and the power supply, and supply the first power for right-ear to the first infrared sensor module, the right-ear infrared sensor module and the right-ear acceleration sensor module; and
a second right-ear power circuit, which is connected with the Bluetooth controller, the first infrared sensor module, the right-ear infrared sensor module and the right-ear acceleration sensor module, and is configured to generate a second power for right-ear according to the second switch signal and the power supply, and supply the second power for right-ear to the first infrared sensor module, the right-ear infrared sensor module and the right-ear acceleration sensor module;
wherein the Bluetooth controller is configured to generate the first switch signal and the second switch signal according to the Hall trigger signal.