US 11,722,326 B2
Powered device (PD) detection device
Weiping Song, Dongguan (CN); Zhongshu Zhang, Chengdu (CN); Wanxiang Ma, Dongguan (CN); and Jinlong Wang, Dongguan (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Mar. 1, 2022, as Appl. No. 17/684,049.
Claims priority of application No. 202110228890.1 (CN), filed on Mar. 2, 2021.
Prior Publication US 2022/0286306 A1, Sep. 8, 2022
Int. Cl. H04L 12/10 (2006.01)
CPC H04L 12/10 (2013.01) 20 Claims
OG exemplary drawing
 
1. A powered device (PD) detection device, comprising:
a detection circuit; and
a processing circuit, and the detection circuit is connected to the processing circuit;
wherein the detection circuit is configured to: receive hierarchical waveform information from power sourcing equipment, and generate a corresponding first-type signal or a corresponding second-type signal based on the hierarchical waveform information, wherein the first-type signal corresponds to first-type power sourcing equipment, the second-type signal corresponds to second-type power sourcing equipment, the first-type power sourcing equipment comprises non-standard power sourcing equipment or an adapter, and the second-type power sourcing equipment comprises AF power sourcing equipment, AT power sourcing equipment, or BT power sourcing equipment; and
wherein the processing circuit is configured to: determine, based on the first-type signal, that the power sourcing equipment is the first-type power sourcing equipment, or determine, based on the second-type signal, that the power sourcing equipment is the second-type power sourcing equipment.