US 12,114,242 B2
Accessory device, host device, and data transmission method
Yang Mou, Dongguan (CN); and Xiaofei Zhong, Wuhan (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on May 20, 2022, as Appl. No. 17/664,289.
Application 17/664,289 is a continuation of application No. PCT/CN2020/128725, filed on Nov. 13, 2020.
Claims priority of application No. 201911159401.0 (CN), filed on Nov. 22, 2019.
Prior Publication US 2022/0279328 A1, Sep. 1, 2022
Int. Cl. H04W 4/80 (2018.01); H04W 76/14 (2018.01)
CPC H04W 4/80 (2018.02) [H04W 76/14 (2018.02)] 20 Claims
OG exemplary drawing
 
1. An accessory device, wherein the accessory device and at least one first device are disposed separately in space, and wherein the accessory device comprises:
one or more processors;
a transceiver, configured to communicate with the at least one first device, and obtain device information of the at least one first device using at least a second communication mode different from a near field communication (NFC) communication mode; and
a memory, wherein the one or more processors is configured to execute program instructions in the memory, the program instructions comprising instructions to:
write the device information of the at least one first device obtained by the transceiver into an NFC storage medium; and
when an NFC connection is established between the accessory device and a second device, control the transceiver to send the device information of the at least one first device to the second device.