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公开(公告)号：US20180331608A1
公开(公告)日：2018-11-15
申请号：US15776009
申请日：2016-05-31
Applicant: GOERTEK INC.
Inventor： Chunfa Liu , Fenglei Zu
IPC: H02K33/18
Abstract: A linear vibration motor comprises a vibrator and a stator disposed parallel to the vibrator, the vibrator comprising a weight block and a vibration block embedded in the weight block, and the stator comprises stator coils and a magnetic conductive cores disposed in the stator coil, wherein the vibration block comprises at least two magnetic members arranged in a row and magnetic reinforcement members disposed between adjacent magnetic members, and the magnetic members and the magnetic reinforcement members are permanent magnets; adjacent ends of each two adjacent magnetic members have the same polarity; and the magnetization direction of the magnetic reinforcement member is perpendicular to that of the magnetic member. The linear vibration motor can increase the magnetic lines of force passing through the stator coil, thereby intensifying the vibration effect of the product.
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公开(公告)号：US20150146912A1
公开(公告)日：2015-05-28
申请号：US14239602
申请日：2011-12-26
Applicant: Goertek Inc.
Inventor： Jianjian Wang , Ze Wang , Chengfei Zhang , Lianshan Ge , Chunfa Liu
IPC: H04R9/04
CPC classification number: H04R9/04 , H04R7/16 , H04R7/18 , H04R9/041 , H04R9/043 , H04R9/045 , H04R9/046 , H04R9/06 , H04R31/006 , H04R2231/003 , H04R2400/11
Abstract: The present invention discloses a moving-coil electroacoustic transducer, which is bar-shaped, and comprises a vibration system. The vibration system comprises a vibration diaphragm, a bar-shaped acoustic coil, an acoustic coil support, and two plucked members. The acoustic coil sleeves the acoustic coil support and is combined with the vibration diaphragm through the acoustic coil support. The acoustic coil support is integrally thrilled, and comprises an acoustic coil mounting portion located in the middle, plucked member mounting portions located at the two ends, and a support portion disposed between two long-axis edges of the acoustic coil mounting portion. In such a design, by using the integrally formed acoustic coil support, and disposing the plucked member mounting portions at the two ends of the acoustic coil support, a support portion is disposed between two long-axis edges of the acoustic coil mounting portion, and the acoustic coil support can be formed integrally, so that the problems of biased vibration and deformation on the long-axis side is solved, and meanwhile the manufacturing process is simplified, thereby making the manufacturing simpler.
Abstract translation: 本发明公开了一种棒状的动圈式电声换能器，包括振动系统。 振动系统包括振动膜，棒状声线圈，声线圈支架和两个拔出构件。 声学线圈套住声线圈支架，并通过声线圈支架与振动膜组合。 声学线圈支架整体激动，并且包括位于中间的声学线圈安装部分，位于两端的拔除构件安装部分和设置在声学线圈安装部分的两个长轴边缘之间的支撑部分。 在这种设计中，通过使用整体形成的声线圈支架，并将拔出构件安装部分设置在声线圈支架的两端，支撑部分设置在声线圈安装部分的两个长轴边缘之间， 可以一体地形成声线圈支撑体，解决了长轴侧的偏置振动和变形的问题，同时简化了制造工艺，从而使制造更简单。
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公开(公告)号：US12200459B2
公开(公告)日：2025-01-14
申请号：US17767365
申请日：2019-12-25
Applicant: Goertek Inc.
Inventor： Shuqiang Wang , Fengguang Ling , Chun Li , Chunfa Liu
Abstract: The present disclosure provides a vibrating diaphragm of a sound-producing apparatus and the sound-producing apparatus. The vibrating diaphragm includes a fluorosilicone rubber film layer, and the fluorosilicone rubber includes a linear polymer composed of a silica main chain and a side chain radical; a molecular structure of the polymer including a unit with the side chain radical with vinyl is a methyl vinyl siloxane unit, and a unit with the side chain radical with R1 is a fluorine-containing siloxane unit; and wherein n and m are natural numbers, and R1 comprises at least one of fluoroalkyl and fluoroaryl.
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公开(公告)号：US12149907B2
公开(公告)日：2024-11-19
申请号：US17773167
申请日：2020-11-05
Applicant: Goertek Inc.
Inventor： Jianbin Yang , Shousong Qiang , Chunfa Liu
Abstract: Disclosed are a sound-producing device and an electronic terminal. The sound-producing device comprises: a voice coil, the voice coil including a bobbin and a voice coil body wound outside the bobbin; the voice coil is configured to be able to be input an electrical signal; a first damper group and a second damper group, each of the first damper group and the second damper group comprising a first connecting part connected with the voice coil, a second connecting part fixed to the sound-producing device and an elastic part connected between the first connecting part and the second connecting part; the first damper group is configured to be in electrical communication with the voice coil to input the electrical signal to the voice coil; the first damper group and the second damper group are fixed to the voice coil in parallel at different heights.
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公开(公告)号：US12096179B2
公开(公告)日：2024-09-17
申请号：US17416092
申请日：2019-12-17
Applicant: GOERTEK INC.
Inventor： Chunfa Liu , Tongyan Xu , Chengfei Zhang
CPC classification number: H04R1/2819 , H04R1/02 , H04R1/2857
Abstract: An acoustic device comprises a first closed cavity and a second closed cavity, at least a portion of a partition part flexibly deforms, the first closed cavity is adjacent to a vibration diaphragm, and the second closed cavity is far away from the vibration diaphragm; when the vibration diaphragm vibrates, the internal sound pressure of the first closed cavity changes, a flexible deformation part of the partition part deforms with the change, to flexibly adjust the volume of the first closed cavity; the second closed cavity encloses sound waves into the second closed cavity; and the Young's modulus or strength of at least partial region of the flexible deformation part is less than that of the wall of the first and/or the second closed cavity, the Young's modulus of entire region or partial region of the flexible deformation part is less than or equal to 8000 Mpa.
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Patent Agency Ranking
公开(公告)号：US12096177B2
公开(公告)日：2024-09-17
申请号：US17256615
申请日：2018-10-24
Applicant: GOERTEK INC.
Inventor： Xinglong Wang , Huawei Liu , Lianshan Ge , Chunfa Liu
CPC classification number: H04R1/2811 , H04R1/2834 , H04R1/2896 , H04R9/045 , H04R2499/13
Abstract: Disclosed are a speaker and a portable terminal, where the speaker includes: an active vibrating unit, including a first vibrating diaphragm vibrating for radiating a sound, and a voice coil assembly for fixing and driving the first vibrating diaphragm; a passive vibrating unit, including a second vibrating diaphragm and driven by the active vibrating unit to vibrate; and a magnetic circuit system, acting with the voice coil assembly to drive the first vibrating diaphragm of the active vibrating unit to vibrate, where the magnetic circuit system is arranged between the first vibrating diaphragm and the second vibrating diaphragm, a first acoustic cavity is defined between the magnetic circuit system and the first vibrating diaphragm, and a second acoustic cavity is defined between the magnetic circuit system and the second vibrating diaphragm.
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公开(公告)号：US12081957B2
公开(公告)日：2024-09-03
申请号：US17773211
申请日：2020-11-05
Applicant: Goertek Inc.
Inventor： Jianbin Yang , Shousong Qiang , Chunfa Liu
Abstract: Disclosed are a sound-producing device and an electronic terminal. The sound-producing device comprises: a voice coil, the voice coil including a bobbin and a voice coil body wound outside the bobbin; the voice coil body is configured to be able to be input an electrical signal; a conductive member, the conductive member including a first connecting part connected with the voice coil, a second connecting part fixed to the sound-producing device, and an elastic part connected between the first connecting part and the second connecting part; the elastic part is in a planar structure, and is at least located in the same plane as the first connecting part; the conductive member is configured to input an electrical signal to the voice coil.
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公开(公告)号：US12022273B2
公开(公告)日：2024-06-25
申请号：US17625654
申请日：2019-08-13
Applicant: GOERTEK INC.
Inventor： Chunfa Liu , Fenglei Zu , Xinfeng Yang
Abstract: The present disclosure discloses a vibration suspension system for a transducer, which comprises at least one movable device provided with a magnetic conductive material, at least a part of the magnetic conductive material being arranged in an area where an alternating magnetic field overlaps with a static magnetic field, so that the static magnetic field and the alternating magnetic field are converged, and a magnetic field force generated by the interaction between the static magnetic field and the alternating magnetic field being applied to the magnetic conductive material, so as to drive the vibration suspension system to move; and at least one suspension device comprising an elastic recovery device for providing a restoring force for a reciprocal vibration of the vibration suspension system, one end of the elastic recovery device being fix to the movable device and the other end thereof being fixed to the inside of the transducer.
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公开(公告)号：US12010500B2
公开(公告)日：2024-06-11
申请号：US17625660
申请日：2019-08-13
Applicant: GOERTEK INC.
Inventor： Chunfa Liu , Fenglei Zu , Xinfeng Yang
Abstract: Disclosed is a magnetic potential transducer, comprising a fixed component and a movable component. The fixed component comprises: at least one static magnetic field generating device, the static magnetic field generating device forms a static magnetic field on the magnetic potential transducer; and at least one alternating magnetic field generating device, the alternating magnetic field generating device generates an alternating magnetic field on the magnetic potential transducer, and the alternating magnetic field is orthogonal or partially orthogonal to the static magnetic field. The movable component comprises at least one movable device and at least one suspension device, the movable device is provided with a magnetic conductive material, the magnetic conductive material moves in the magnetic potential transducer; at least a part of the magnetic conductive material is provided in an area where the alternating magnetic field and the static magnetic field overlap; a magnetic field force generated by the interaction.
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公开(公告)号：US20240155295A1
公开(公告)日：2024-05-09
申请号：US17773352
申请日：2020-11-05
Applicant: Goertek Inc.
Inventor： Jianbin Yang , Shousong Qiang , Chunfa Liu
Abstract: Disclosed are a damper and a sound-producing device. The damper includes a first connecting part, a planar elastic part and a second connecting part. One side of the first connecting part is configured to cooperatively connect to a voice coil of the sound-producing device; an end of the first connecting part is bent and extends in an S shape toward the other side of the first connecting part to form the planar elastic part, the planar elastic part and the first connecting part being in the same plane; the second connecting part is connected to one end of the planar elastic part away from the first connecting part, and the second connecting part is configured to be fixedly connected in the sound-producing device; and the damper is a line-like structure formed by integral winding.
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