公开(公告)号：US10419848B2

公开(公告)日：2019-09-17

申请号：US15617603

申请日：2017-06-08

申请人： EM-TECH. Co., Ltd.

发明人： Kyu Dong Choi ,  Seul Ki Nam ,  Heung Woo Jeong

IPC分类号： H04R25/00 ,  H04R1/28 ,  H04R1/02 ,  H04R31/00

摘要： The present invention discloses a microspeaker enclosure with porous materials, including a microspeaker, an enclosure with the microspeaker therein, the enclosure defining a resonance space and having an upper casing and a lower casing, a sound absorber arranged in the resonance space and defining a space, and porous materials filled in the space defined by the sound absorber.

公开(公告)号：US10334342B2

公开(公告)日：2019-06-25

申请号：US15671537

申请日：2017-08-08

申请人： EM-TECH. Co., Ltd.

发明人： Choong Sheek Hong ,  Joong Hak Kwon

IPC分类号： H04R1/10 ,  H04R5/033 ,  H04R5/02 ,  G10K11/175 ,  H04R1/02 ,  H04R3/00

摘要： The present invention relates to a neckband-type wireless sound transducer, and more particularly, to a neckband-type wireless sound transducer that prevents sound from being transferred to the surroundings of the wearer. The neckband-type wireless sound transducer according to the present invention, includes: a main body part configured to be seated on a human body; a main speaker part mounted on the main body part and configured to emit sound to the inside of the main body part; an auxiliary speaker part mounted on the main body part and configured to emit sound for leakage reduction to offset the sound emitted by the main speaker part and leaked to the outside of the main body part; and a controller configured to apply an electric signal for sound emission to the main speaker part and an electric signal for leakage reduction to the auxiliary speaker part.

公开(公告)号：US10298105B2

公开(公告)日：2019-05-21

申请号：US15478653

申请日：2017-04-04

申请人： EM-TECH. Co., Ltd.

发明人： Jong Dae Kim ,  Keun Yong Hwang

IPC分类号： H02K33/00 ,  H02K33/16

摘要： A linear vibrator includes a bracket having a plate shape, a casing having a hexahedral shape with an open bottom and coupled to the bracket, a circuit board on the bracket, a coil on the circuit board, a pair of magnets spaced apart from each other and disposed over the coil at an interval from the coil, a plate having a pair of magnet attachment surfaces attached to top surfaces of the pair of magnets and a connection surface downwardly bent with a step difference from the magnet attachment surfaces and connecting the pair of magnet attachment surfaces, a weight on top of the plate, and a spring on top of the connection surface and formed in a strip shape with two ends secured to the casing and a center portion secured to the connection surface. The spring is bilateral symmetric and has at least a pair of inwardly-bent portions.

公开(公告)号：US09185494B2

公开(公告)日：2015-11-10

申请号：US14184796

申请日：2014-02-20

申请人： EM-TECH Co., Ltd.

发明人： Kyu Dong Choi ,  Jong Soo Yoon

IPC分类号： H04R9/04 ,  H04R7/12

CPC分类号： H04R9/04 ,  H04R7/122 ,  H04R9/043

摘要： An inner magnet type microspeaker including a suspension is provided which can maximize the size of a magnet. The inner magnet type microspeaker includes: a frame; a yoke installed inside of the frame and including a bottom surface and sidewalls bent upward from the bottom surface; a magnet bonded to an inside of the yoke; a voice coil located in a gap portion between the sidewalls of the yoke and the magnet; a diaphragm that vibrates by the voice coil; and a suspension where the voice coil is attached, and which guides vibrations of the diaphragm and the voice coil and includes a ring-shaped inner peripheral portion and an outer peripheral portion that surrounds the inner peripheral portion, spaced a predetermined distance apart from the inner peripheral portion, with one end and the other end being connected to the inner peripheral portion.

摘要翻译： 提供了包括悬架的内磁式微型扬声器，其可以使磁体的尺寸最大化。 内磁式扬声器包括：框架; 安装在框架内部的轭，包括从底表面向上弯曲的底表面和侧壁; 磁轭接合到磁轭的内部; 位于所述轭的侧壁和所述磁体之间的间隙部分中的音圈; 由音圈振动的振膜; 以及安装有音圈的悬架，其引导隔膜和音圈的振动，并且包括围绕内周部的环状内周部和外周部，与内周部隔开规定距离 周边部分，一端和另一端连接到内周部分。

公开(公告)号：US08987951B2

公开(公告)日：2015-03-24

申请号：US13211934

申请日：2011-08-17

申请人： Youngil Park

发明人： Youngil Park

IPC分类号： H02K33/16

CPC分类号： H02K33/16

摘要： Disclosed is a linear vibrator, the linear vibrator including a stator having first and second coil blocks coupled to a bottom plate of a casing, a vibrator having a magnet disposed at a position corresponding to the first and second coil blocks, and an elastic member elastically supporting the magnet.

摘要翻译： 公开了一种线性振动器，线性振动器包括定子，其具有联接到壳体的底板的第一和第二线圈块，具有设置在与第一和第二线圈块对应的位置处的磁体的振动器，弹性部件弹性地 支持磁铁。

公开(公告)号：US20140318885A1

公开(公告)日：2014-10-30

申请号：US14031385

申请日：2013-09-19

申请人： Em-Tech. Co., LTd.

发明人： Ji Hoon Kim ,  Joong Hak Kwon ,  Jung Hyung Lee ,  Hyeon Taek Oh

IPC分类号： H04R7/02

CPC分类号： H04R7/02 ,  H04R7/14 ,  H04R9/043 ,  H04R31/003

摘要： The present invention relates to an assembly structure of a diaphragm for a microspeaker. The present invention discloses a bonding structure of a diaphragm for a microspeaker, the boding structure comprising: a suspension including a central portion, an outer peripheral portion, and a connecting portion connecting the central portion and the outer peripheral portion; and a side diaphragm including an inner peripheral portion and an outer peripheral portion, which are attached to the central portion and outer peripheral portion of the suspension, respectively, and a dome portion, which projects between the inner peripheral portion and the outer peripheral portion, wherein the suspension and the side diaphragm are attached by thermal compression.

摘要翻译： 本发明涉及一种用于微型扬声器的隔膜的组装结构。 本发明公开了一种用于微型扬声器的隔膜的接合结构，该结构包括：悬架，包括中心部分，外周部分和连接中心部分和外周部分的连接部分; 以及分别安装在悬架的中心部分和外周部分上的内周部分和外周部分的侧面隔膜和在内周部分和外周部分之间突出的圆顶部分， 其中所述悬架和所述侧隔膜通过热压力附接。

公开(公告)号：US20140233785A1

公开(公告)日：2014-08-21

申请号：US14173051

申请日：2014-02-05

申请人： EM-TECH Co., Ltd.

发明人： In Ho Jeong ,  Yong Ju Ji ,  Ho Yun Lee

IPC分类号： H04R1/02

CPC分类号： H04R1/02 ,  H04R1/023 ,  H04R31/006

摘要： The present invention relates to a slim protector with a small thickness and a slim microspeaker having the same. The present invention provides a slim protector, which can reduce the thickness of a slim microspeaker by removing part of an injection product portion and exposing a steel portion to form a ledge for connecting a module case and the slim protector and allow the steel portion and the module case to engage other, and a slim microspeaker module having the same.

摘要翻译： 本发明涉及一种具有较小厚度的纤细保护器和一种具有该纤薄保护器的微型扬声器。 本发明提供一种细长保护器，其可以通过去除部分注射产品部分并暴露钢部分以形成用于连接模块壳体和细长保护器的凸缘来减小细长的微型扬声器的厚度，并允许钢部分和 模块外壳，另外还有一个具有相同功能的微型扬声器模块。

公开(公告)号：US20140119578A1

公开(公告)日：2014-05-01

申请号：US14063605

申请日：2013-10-25

申请人： Em-Tech. Co., Ltd.

发明人： Kyu Dong Choi ,  Kil Dong Park ,  In Ho Jeong ,  Joong Hak Kwon

IPC分类号： H04R1/00

CPC分类号： H04R1/00 ,  H04R7/14 ,  H04R9/045 ,  H04R31/003

摘要： The present invention relates to a vibration module for a sound transducer and, more particularly, to a vibration module for a sound transducer which can prevent sound leakage by minimizing contacts between a diaphragm and a voice coil. The vibration module for the sound transducer according to the present invention comprises: a substrate having an inner portion and an outer portion, an electrical connection portion for applying electrical signals to a voice coil being provided on the inner portion and a terminal being provided on the outer portion, for performing electrical connection between the electrical connection portion and the terminal; a first diaphragm attached between the inner portion and outer portion of the substrate; and the voice coil mounted on the inside of the inner portion of the substrate with a certain distance from the first diaphragm and electrically connected to the electrical connection portion.

摘要翻译： 本发明涉及一种用于声音传感器的振动模块，更具体地，涉及一种用于通过使隔膜和音圈之间的接触最小化来防止声音泄漏的声音传感器的振动模块。 根据本发明的用于声音传感器的振动模块包括：具有内部部分和外部部分的基板，用于将电信号施加到设置在内部部分上的音圈的电连接部分，以及设置在其上的端子 外部部分，用于在电连接部分和终端之间执行电连接; 安装在所述基板的内部和外部之间的第一隔膜; 并且所述音圈安装在所述基板的内部的内部，与所述第一隔膜具有一定距离并且电连接到所述电连接部分。

公开(公告)号：US20100246881A1

公开(公告)日：2010-09-30

申请号：US12513897

申请日：2007-08-21

申请人： Seung-Kiu Jeong ,  Cheon-Myeong Kim ,  Dong-Kyu Lee

发明人： Seung-Kiu Jeong ,  Cheon-Myeong Kim ,  Dong-Kyu Lee

IPC分类号： H04R1/02

CPC分类号： H04R1/2873 ,  H04M1/035 ,  H04R2499/11

摘要： The present invention discloses a sound converter with an enclosure which utilizes an outer space to expand a resonance space. The sound converter with the enclosure includes a frame being equipped with a magnetic circuit for forming a magnetic field in a predetermined gap, a voice coil at least partially positioned in the gap, a diaphragm adhered to the voice coil and inserted into a diaphragm seating portion of the frame, a protector formed at the upper portion of the diaphragm, and an enclosure case coupled to the frame, for defining the inner space of the enclosure which is the resonance space. A vent is provided at the enclosure case so that the inner space of the enclosure can communicate with the outer space. This configuration can secure a wide resonance space.

摘要翻译： 本发明公开了一种具有外壳的声音转换器，该外壳利用外部空间来扩展共振空间。 具有外壳的声音转换器包括配备有用于形成预定间隙中的磁场的磁路的框架，至少部分地定位在间隙中的音圈，粘附到音圈并插入隔膜座部分的隔膜 的框架，形成在隔膜的上部的保护器和联接到框架的外壳，用于限定作为共振空间的外壳的内部空间。 在外壳处设置通风口，使得外壳的内部空间能够与外部空间连通。 这种配置可以确保广泛的共振空间。

公开(公告)号：US20240298100A1

公开(公告)日：2024-09-05

申请号：US18647927

申请日：2024-04-26

申请人： Samsung Electronics Co., Ltd. ,  EM-TECH CO., LTD.

发明人： Youngbae PARK ,  Joonrae CHO ,  Gangtae KIM ,  Kihyun NAM ,  Dongwoo SEOK ,  Jihoon SONG ,  Byounghee LEE ,  Jungsoo LEE ,  Hyunwoo JEONG

IPC分类号： H04R1/02 ,  G04G17/04 ,  G04G21/00

CPC分类号： H04R1/025 ,  G04G17/04 ,  G04G21/00 ,  H04R2201/02 ,  H04R2499/11 ,  H04R2499/15

摘要： An example wearable device includes a housing forming an inner space and including a speaker hole; a speaker assembly inside the housing; and a sound duct extending from the inner surface of the housing, in which the speaker hole is formed, to the speaker assembly. The speaker assembly includes a frame including at least one first opening, which is formed in a first surface facing the sound duct of the speaker assembly, at least one second opening, which is formed in a second surface, and a frame, which includes a flow path connecting the at least one first opening and the at least one second opening; a sealing member for sealing the inner space; and a vibration plate in contact with a portion of the sealing member.