公开(公告)号：US12167194B2

公开(公告)日：2024-12-10

申请号：US17827719

申请日：2022-05-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guozhen Ma ,  Rongrong Wu ,  Yong Zheng ,  Yu Zhang ,  Chengxia Ji

IPC: H04R5/033 ,  H04R1/10

Abstract: Embodiments provide an ear pad having an annular structure. The ear pad includes an inner layer and an outer layer covering the inner layer. The inner layer and the outer layer are separate of annular structures and are separated by a first medium layer. The inner layer coats a second medium layer. Acoustic impedance of the first medium layer is different from acoustic impedance of the inner layer and the outer layer. The ear pad is configured to close a front cavity space between a housing and an ear of a user, thereby preventing sound leakage and reducing external noise entering the ear of the user. Various ear pad embodiments provide a double-layer structure including the inner layer and the outer layer separated by the first medium layer.

公开(公告)号：US20240152313A1

公开(公告)日：2024-05-09

申请号：US18559321

申请日：2022-05-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Na Dai ,  Rongrong Wu ,  Chengxia Ji

IPC: G06F3/16

CPC classification number: G06F3/162

Abstract: A wearing detection method, a wearable device, and a storage medium are provided. When the wearable device does not play audio and obtains a first audio signal captured by the microphone, the wearable device outputs a second audio signal by using the speaker, obtains a third audio signal captured by the microphone, obtains a signal feature of the third audio signal, and determines a wearing status of the wearable device based on the signal feature of the third audio signal. In this way, the wearing status of the wearable device can be determined by outputting the second audio signal and performing feature analysis on the corresponding input third audio signal, without a need of an additional sensor, thereby reducing sensor stacking.

公开(公告)号：US20220295172A1

公开(公告)日：2022-09-15

申请号：US17827719

申请日：2022-05-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guozhen Ma ,  Rongrong Wu ,  Yong Zheng ,  Yu Zhang ,  Chengxia Ji

IPC: H04R1/10

Abstract: Embodiments provide an ear pad having an annular structure. The ear pad includes an inner layer and an outer layer covering the inner layer. The inner layer and the outer layer are separate of annular structures and are separated by a first medium layer. The inner layer coats a second medium layer. Acoustic impedance of the first medium layer is different from acoustic impedance of the inner layer and the outer layer. The ear pad is configured to close a front cavity space between a housing and an ear of a user, thereby preventing sound leakage and reducing external noise entering the ear of the user. Various ear pad embodiments provide a double-layer structure including the inner layer and the outer layer separated by the first medium layer.