US 12,464,275 B2
Wireless earbud assembly
Tieyi Liang, Shenzhen (CN); Yi Zhang, Shenzhen (CN); and Bin Cai, Shenzhen (CN)
Assigned to Harman International Industries, Incorporated, Stamford, CT (US)
Filed by Harman International Industries, Incorporated, Stamford, CT (US)
Filed on Sep. 12, 2023, as Appl. No. 18/465,712.
Application 18/465,712 is a continuation of application No. PCT/CN2021/080418, filed on Mar. 12, 2021.
Prior Publication US 2023/0421941 A1, Dec. 28, 2023
Int. Cl. H04R 1/10 (2006.01); H02J 7/00 (2006.01); H04R 5/033 (2006.01)
CPC H04R 1/1025 (2013.01) [H02J 7/0044 (2013.01); H02J 7/0048 (2020.01); H04R 1/1016 (2013.01); H04R 1/1041 (2013.01); H04R 5/033 (2013.01); H04R 2420/07 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An earbud assembly, comprising:
a charging case and at least one wireless earbud suitable to be stowed in the charging case,
wherein the charging case comprises a battery; a charger electrically connected to the battery; a sensor configured to detect opening operations and closing operations of the charging case; a battery status indicator that has a first state when the battery of the charging case is in a normal working condition and a second state when the battery of the charging case is exhausted;
wherein the at least one wireless earbud comprises a processor and a status detector for detecting the state of the battery status indicator when the at least one wireless earbud is stowed in the charging case; and
wherein the processor of the at least one wireless earbud is configured to power off the at least one wireless earbud when the status detector detects that the battery status indicator is in the second state.