US 12,302,414 B2
Bluetooth connection method, system, and electronic device
Ya Zhang, Shenzhen (CN); Liang Wang, Shanghai (CN); Weiting Hsiao, Shenzhen (CN); Yequan Song, Shenzhen (CN); Shanshan Guo, Shenzhen (CN); and Nengfu Tang, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Appl. No. 17/793,983
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
PCT Filed Jan. 14, 2021, PCT No. PCT/CN2021/071644
§ 371(c)(1), (2) Date Jul. 20, 2022,
PCT Pub. No. WO2021/147745, PCT Pub. Date Jul. 29, 2021.
Claims priority of application No. 202010072388.1 (CN), filed on Jan. 21, 2020.
Prior Publication US 2023/0041669 A1, Feb. 9, 2023
Int. Cl. H04W 76/10 (2018.01); H04W 4/80 (2018.01); H04W 48/16 (2009.01)
CPC H04W 76/10 (2018.02) [H04W 48/16 (2013.01); H04W 4/80 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A Bluetooth connection method, comprising:
establishing, by a first electronic device, a first Bluetooth connection with a second electronic device;
disconnecting, by the first electronic device, the first Bluetooth connection with the second electronic device when a first preset condition is met;
scanning, by the first electronic device, a Bluetooth advertising signal in response to the disconnection of the first Bluetooth connection;
starting, by the first electronic device upon determining that a first advertising signal carries device information of the second electronic device, a first application that is a service application running at an application layer and associated with the second electronic device, wherein the first application is cleared by a system of the first electronic device and in a closed state before the first application is started;
sending, by the first electronic device via the first application, a connection request to the second electronic device; and
establishing, by the first electronic device, a second Bluetooth connection with the second electronic device when receiving a response data packet sent by the second electronic device.