US 12,457,440 B2
Wireless earphones
Kiljae Jang, Cheonan-si (KR); Wonsan Na, Cheonan-si (KR); and Kyunghyun Ryu, Cheonan-si (KR)
Assigned to AMOSENSE CO., LTD., Cheonan-si (KR)
Appl. No. 18/275,783
Filed by AMOSENSE CO., LTD., Cheonan-si (KR)
PCT Filed Jan. 24, 2022, PCT No. PCT/KR2022/001186
§ 371(c)(1), (2) Date Aug. 3, 2023,
PCT Pub. No. WO2022/169150, PCT Pub. Date Aug. 11, 2022.
Claims priority of application No. 10-2021-0015819 (KR), filed on Feb. 4, 2021.
Prior Publication US 2024/0121546 A1, Apr. 11, 2024
Int. Cl. H04R 1/10 (2006.01); H01Q 5/25 (2015.01); H01Q 5/28 (2015.01); H02J 50/00 (2016.01); H02J 50/10 (2016.01)
CPC H04R 1/1016 (2013.01) [H01Q 5/25 (2015.01); H01Q 5/28 (2015.01); H02J 50/005 (2020.01); H02J 50/10 (2016.02); H04R 1/1025 (2013.01); H04R 2420/07 (2013.01); H04R 2460/07 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A wireless ear module comprising:
an ear module configured to receive and play a sound source signal from an electronic device; and
a case composed of an upper housing and a lower housing rotatably coupled thereto to store the ear module,
wherein at least one of the ear module and the case transmits a location positioning signal, and the location positioning signal is a signal capable of detecting a distance and a direction from the electronic device to the ear module or the case,
wherein the case includes a first antenna configured to transmit the location positioning signal capable of detecting the distance and direction from the electronic device to the case, and
wherein the first antenna includes:
a first antenna board having a first antenna pattern configured to output a location positioning signal in a UWB frequency band formed on a first surface to be mounted inside the case and spaced apart from a first main board mounted inside the case; and
a first connector connecting a power supply of the first main board to the first antenna pattern.