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公开(公告)号：US20230232158A1
公开(公告)日：2023-07-20
申请号：US18175767
申请日：2023-02-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Wenguang CHEN , Mingguang GUO , Ling TAO
CPC classification number: H04R9/043 , H04R1/028 , H04R7/12 , H04R7/18 , H04R9/06 , H04R9/025 , H04R9/045 , H04R2400/11 , H04R2499/15
Abstract: This application relate to the field of electronic device technologies, and in particular, to a loudspeaker and an electronic device. Embodiments of this application are provided to resolve a technical problem of insufficient sensitivity of a loudspeaker caused by a small electromagnetic driving force that drives a voice coil to vibrate. According to a loudspeaker and an electronic device in embodiments of this application, a yoke includes a bottom part and a sleeve located on the side of the bottom part. An annular magnet is sleeved on the outer side of the sleeve. A voice coil is sleeved on the sleeve and located between the magnet and the sleeve. A damper is located in a region enclosed by the sleeve. An outer edge of the damper is connected to the voice coil, and a middle part of the damper is connected to the yoke.
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公开(公告)号：US20250008269A1
公开(公告)日：2025-01-02
申请号：US18292820
申请日：2022-07-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haohao ZHANG , Ling TAO , Mingguang GUO
Abstract: This application provides a speaker and an electronic device. The speaker includes a ring-shaped housing, a magnetic circuit system, a first diaphragm disposed at a first end of the ring-shaped housing, a first component, a first voice coil, a second diaphragm, a second component, and a second voice coil, a first channel, and the first channel is located in at least one of the magnetic circuit system and the ring-shaped housing. The dual-diaphragm speaker in embodiments of this application has a small volume, and can improve low- and medium-frequency sensitivity.
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