Patents Assigned to AAC MICROTECH (CHANGZHOU) CO.,LTD.
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Patent number: 12289591Abstract: The present invention provides a coaxial speaker including a supporting ring, a magnetic circuit system, a first vibration system, and a second vibration system. The second vibration system locates coaxially with the first vibration system. The first vibration system includes a first diaphragm and a first voice coil. The second vibration system includes a second diaphragm and a second voice coil. The first diaphragm is used for generating treble sound, the second diaphragm is used for generating bass sound. The supporting ring includes a first end portion, a second end portion, and a connecting portion. A projection of the first diaphragm is partially overlapped with a projection of the second diaphragm along a vibrating direction of the coaxial speaker. The treble diaphragm design uses a Z-axis direction vibration space of the bass diaphragm to increase the vibration area to improve the performance.Type: GrantFiled: December 2, 2022Date of Patent: April 29, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Zhang Ren, Zhiwei Zhong, Wei Song
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Patent number: 12288461Abstract: A vibration control method, a vibration control device, and a non-transitory computer-readable storage medium are provided. Target effect parameters are obtained in a preset vibration effect design model with reference to a haptic effect demand index, effect parameters in the vibration effect design model including a granularity parameter, a sharpness parameter and a hardness parameter. A vibration control signal is generated based on the target effect parameter. The actuator is controlled to vibrate based on the vibration control signal. With the implementations of the present disclosure, the vibration control models of the actuator can be adaptively designed based on different haptic effect demand scenarios, thereby ensuring the diversity of haptic effects and the adaptability to the scenarios. A variety of perception factors are considered in the vibration effect of the actuator, thereby providing the user with a more complex haptic feedback experience.Type: GrantFiled: April 26, 2022Date of Patent: April 29, 2025Assignees: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD., AAC Microtech (Changzhou) Co., Ltd.Inventors: Zheng Xiang, Xiuyue Wang
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Patent number: 12289026Abstract: The present invention provides a vibrating motor, an electronic device, and a control method. The vibrating motor includes a housing, a vibrator assembly and a solenoid assembly. The vibrator assembly includes a mass block defining an accommodating cavity and magnets accommodated in accommodating cavity. The mass block are elastically connected to the housing. The magnets are magnetized for providing driving forces in a first direction and a second direction. The first direction is perpendicular to the second direction. The vibrator assembly vibrates along the first direction at a first vibration frequency. The vibrator assembly vibrates along the second direction at a second vibration frequency, or the solenoid assembly vibrates along the second direction at a third vibration frequency. The vibrating motor provide vibration senses in different directions and provide large vibration senses for different application scenarios, which is conducive to realization of multiple vibration feedback.Type: GrantFiled: January 4, 2023Date of Patent: April 29, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Lubin Mao, Yun Tang, Jie Ma, Ziang Li
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Patent number: 12289572Abstract: Disclosed is an electronic device with a sounding function, including a shell structural member and a speaker. The speaker includes a first sounding unit used to emit low-frequency sounds and a second sounding unit used to emit high-frequency sounds that are coaxially arranged. The first sounding unit surrounds the second sounding unit. The shell structural member is provided with a first channel for transmitting the low-frequency sounds, a second channel separated from the first channel for transmitting the high-frequency sounds, and a common channel for communicating both the first and second channels with the outside of the electronic device. The second channel includes a front cavity of the second sounding unit and a connecting channel for communicating the front cavity with the common channel. The connecting channel is in a horn shape. The effect of the high-frequency sounds of the electronic device with a sounding function is improved.Type: GrantFiled: December 28, 2022Date of Patent: April 29, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Zhang Ren, Qi Wang, Zhiwei Zhong
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Patent number: 12289590Abstract: The present invention provides a coaxial speaker including a support ring, a magnetic circuit system, a first vibration system and a second vibration system fixed on both side of the support ring and arranged coaxially. The first vibration system includes a first diaphragm and a first voice coil. The second vibration system includes a second diaphragm and a second voice coil. The magnetic circuit system includes a first magnetic gap and a second magnetic gap. The first diaphragm is used for generating treble sound, the second diaphragm is used for generating bass sound. The second vibration system includes a support voice coil sandwiched between the second diaphragm and second voice coil. Bass sound and treble sound of the coaxial speaker form a full-range speaker, providing high-quality sound. The support voice coil can flexibly adjust the height and the position of the second voice coil according to requirements.Type: GrantFiled: December 1, 2022Date of Patent: April 29, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Zhang Ren, Zhiwei Zhong
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Patent number: 12289573Abstract: The present invention provides a speaker box including a housing and a speaker unit accommodated in the housing. The speaker box also includes an air-permeable spacer accommodated in the housing. The housing includes a bottom wall away from the speaker unit and a side wall bent and extended from the bottom wall toward the speaker unit. The air-permeable spacer is enclosed with the bottom wall and the side wall to form a containment space filled with sound absorbing powder. The inner surface of the side wall is provided with a number of protruding portions that support the air-permeable spacer. The air-permeable spacer is fixedly connected with the protruding portion. The speaker box of the present invention saves internal space and increases the filling amount of the sound absorbing powder.Type: GrantFiled: August 25, 2022Date of Patent: April 29, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventor: Yi Chen
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Patent number: 12284506Abstract: The present disclosure provides a sounding device. The sounding device includes a vibration system, a magnetic circuit system, a conductive element and a fixed element. The vibration system includes a diaphragm and a voice coil fixed to the diaphragm. The sounding device further includes a reinforcement element having a first reinforcement part fixed to the upper surface of the connection part or the lower surface of the connection part, a second reinforcement part fixed to the outer side surface of the voice coil, and a third reinforcement part fixed with the upper surface of the voice coil. Compared with the related art, the sounding device provided by the present disclosure has a simple structure and good reliability.Type: GrantFiled: January 10, 2023Date of Patent: April 22, 2025Assignees: AAC Microtech (Changzhou) Co., Ltd., AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.Inventors: Huhu Yang, Wei Wei, Zhaoyu Yin, Zhizhu Chen
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Patent number: 12277274Abstract: A haptic vibration device includes a stator assembly, a vibrator assembly, and a touch-control assembly. The touch-control assembly can detect a pressing information in a first direction. The stator assembly includes a fixing frame assembly, and a magnetic circuit system fixed to the fixing frame assembly and having a magnetic gap. The vibrator assembly includes a shell elastically connected to the fixing frame assembly and provided outside the magnetic circuit system, and a solenoid assembly located in the magnetic gap. The magnetic circuit system can drive the solenoid assembly to reciprocate in a second direction with an angle to the first direction. A terminal and a control method are provided. The haptic vibration device can reduce the effect of the driving force in the non-pressing direction on the whole device, and has small space requirement for the terminal device in the pressing direction, and is suitable for various terminal devices.Type: GrantFiled: December 28, 2023Date of Patent: April 15, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Lubin Mao, Jie Ma, Yun Tang
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Patent number: 12267660Abstract: A speaker includes: a frame, a vibration system, including a diaphragm, a voice coil, and a flexible circuit board, the flexible circuit board including a first fixing portion, a second fixing portion, and an elastic arm, and a magnetic circuit system, including a yoke with a through hole and a main magnet and a secondary magnet fixed to the yoke, the secondary magnet surrounding and spaced from the main magnet for forming a magnetic gap, the voice coil located in the magnetic gap, wherein a projection of the elastic arm along a vibration direction of the diaphragm is at least partially located in the through hole, the speaker further comprises a connecting piece connected with an outer surface of the yoke, the connecting piece covers the through hole. Compared with the related art, the speaker disclosed by the present disclosure has better acoustic performance.Type: GrantFiled: December 28, 2022Date of Patent: April 1, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Yang Shi, Shuwen Wu
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Patent number: 12267643Abstract: The present invention provides a speaker box. The speaker box includes a housing, a speaker unit, and an air-permeable spacer assembly accommodated in the housing. The air-permeable spacer assembly includes a bracket and an air-permeable spacer fixed to the bracket. The housing includes a bottom wall and a side wall. The bracket includes an annular main body and a leg. The air-permeable spacer is attached to the annual main body. The annular main body is fixed to the side wall. The leg is fixed to the bottom wall. At the same time, the bracket can be easily and conveniently adapted to various complex shapes of the housing through the annular main body and the leg. In addition, the filling amount of the sound absorbing powder can be increased.Type: GrantFiled: October 14, 2022Date of Patent: April 1, 2025Assignees: AAC Microtech (Changzhou) Co., Ltd., AAC Acoustic Technologies (Shenzhen) Co., Ltd.Inventors: Haijuan Yang, Lifeng Wu
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Patent number: 12267661Abstract: A speaker module includes a housing, a vibration system, and a magnetic circuit system. An accommodation space is defined in the housing, the vibration system is accommodated in the accommodation space, and the magnetic circuit system is accommodated in the accommodation space and is configured to drive the vibration system. The housing includes a supporting frame, a front cover, and a rear cover. The vibration system and the magnetic circuit system are directly assembled with the housing to obtain the loudspeaker module. Compared with the related art, an assembling process of the speaker module is simplified from two separate assembly processes of a speaker and a module into single assemble process of the speaker, which provides a simple assembling process and further reduces the cost.Type: GrantFiled: June 10, 2022Date of Patent: April 1, 2025Assignees: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD., AAC Microtech (Changzhou) Co., Ltd.Inventors: Haijuan Yang, Lei Wang, Shuwen Wu
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Patent number: 12238500Abstract: A speaker includes: a frame, a vibration system, including a diaphragm, a voice coil, and a flexible circuit board, and a magnetic circuit system, wherein the voice coil includes a first lead wire and a second lead wire, the flexible circuit board includes a first surface facing the diaphragm and a second surface opposite to the first surface, the first lead wire and the first surface are located at one side of the flexible circuit board, the second lead wire and the second surface are located at another side of the flexible circuit board, the flexible circuit board includes a first pad on the first surface and a second pad on the second surface, the first lead wire is connected to the first pad, the second lead wire is connected to the second pad. Compared with the related art, the speaker disclosed by the present disclosure has better acoustic performance.Type: GrantFiled: November 7, 2022Date of Patent: February 25, 2025Assignees: AAC Microtech (Changzhou) Co., Ltd., AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.Inventors: Huhu Yang, Wei Wei, Zhaoyu Yin, Zhizhu Chen
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Patent number: 12238501Abstract: The present disclosure provides a speaker unit, which includes a frame, and a vibration system and a magnetic circuit system fixed on the frame. The vibration system includes a diaphragm and a voice coil that drives the diaphragm to vibrate and sound. The speaker unit further includes a magnetic front cover fixed on the frame for improving the BL value of the voice coil. The speaker unit of the present disclosure improves the BL value of the voice coil.Type: GrantFiled: January 10, 2023Date of Patent: February 25, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Yang Shi, Jiasheng Zhou
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Patent number: 12238499Abstract: The sounding unit provided by the present invention includes a frame, a vibration system and a magnetic circuit system. The vibration system includes a diaphragm, a voice coil and an FPC. The diaphragm consists of a dome with a protruded platform and a suspension. The FPC includes an internal fixed part, an external fixed part, and an elastic part. The internal fixed part includes a first fixed part, a second fixed part, and a third fixed part. The voice coil includes an upper end surface and a lower end surface. The upper end surface is fixed to the protruded platform. The lower end surface is fixed to the third fixed part. The bonding strength between the FPC and the voice coil in the sounding unit is improved, and the vibration stability of the sounding unit is enhanced.Type: GrantFiled: October 26, 2022Date of Patent: February 25, 2025Assignees: AAC Microtech (Changzhou) Co., Ltd., AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.Inventors: Huhu Yang, Wei Wei, Zhaoyu Yin, Zhizhu Chen
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Patent number: 12237787Abstract: A method for controlling a direct drive system, including: S1: outputting, by the actuator, a current to the winding of the stator corresponding to the actuator to cause the windings to drive the mover corresponding to the windings to move in a single direction along the guide rail; S2: sensing a position of the second position feedback means through the first position feedback means, and acquiring position information of the mover relative to the stator; and S3: changing a drive mode of the actuator according to the position information, so that the actuator adjusts, according to the drive mode, magnitude of the current outputted to the windings of the stator corresponding to the actuator. The above solution can reduce a number of power modules used in the direct drive system, so as to reduce overall manufacturing and use costs of the direct drive system.Type: GrantFiled: July 28, 2022Date of Patent: February 25, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Min Chen, Lin Qian, Weiling Shi, Xueyuan Zhu, Shun Guo
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Patent number: 12223111Abstract: The present disclosure discloses a linear motor having a housing with an receiving space, a vibration unit and a stator unit received in the receiving space. The vibrator unit includes a weight and an elastic member fixed to the weight. The elastic member includes a first fixation portion fixed to the housing and a second fixation portion fixed to the weight and an elastic portion. An elastic member having a groove penetrating thereon is sandwiched between the elastic portion and the weight. The elastic member includes a first damping portion and a second damping portion arranged on two opposite side f the groove along a vibration direction. The groove can effectively avoid the detachment of the elastic member from the elastic member and the weight, thus improving the vibration stability of the vibration motor.Type: GrantFiled: September 19, 2022Date of Patent: February 11, 2025Assignees: AAC Microtech (Changzhou) Co., Ltd., AAC Acoustic Technologies (Shenzhen) Co., Ltd.Inventor: Jie Ma
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Patent number: 12224641Abstract: The present disclosure discloses a vibration device includes a housing with a receiving space; and a vibration unit received in the receiving space, including an elastic support member; a stator fixed to the housing, including one of a coil and a magnet fixed to the housing; a vibrator suspended by the elastic support member, including the other of the coil and the magnet; and a battery suspended by the elastic support member; wherein the coil and the magnet interact to drive the vibrator to vibrate relative to the stator for generating haptic feedback. The vibration device in the present disclosure has higher space utilization rate and lower cost.Type: GrantFiled: December 1, 2022Date of Patent: February 11, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Lubin Mao, Ziang Li, Jie Ma, Yun Tang
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Patent number: 12225343Abstract: Provided is speaker, including magnetic circuit unit, frame fixed to the magnetic circuit unit, and first and second sound-producing unit both fixed to the frame. The magnetic circuit unit includes magnetically conductive assembly with lower clamping plate and magnet component located on lower clamping plate. A third magnetic conductor is arranged around the magnet component, first magnetic conductor, and second magnetic conductor. A first and a second voice coil are respectively located in magnetic gaps between third magnetic conductor and second magnetic conductor and between third magnetic conductor and first magnetic conductor. The two sound-producing units share the magnetic circuit unit. The frame includes a first and a second main body portion arranged coaxially and connected to each other, a first diaphragm is fixed to second main body portion, and second diaphragm is fixed between first main body portion and second main body portion.Type: GrantFiled: January 16, 2023Date of Patent: February 11, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Fan Zhang, Xin Jin, Wei Song
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Patent number: 12219339Abstract: Provided is a speaker, including frame, vibration unit, and magnetic circuit unit driving the vibration unit and having magnetic gap, the vibration unit including diaphragm fixed to the frame, voice coil component fixed to the diaphragm and driving the diaphragm, and lower voice diaphragm component supporting the voice coil component. The voice coil component includes voice coil inserted in the magnetic gap and holder fixed to the diaphragm and the voice coil, the voice coil includes first and second voice coil portions. The first voice coil portion is arranged close to the lower voice diaphragm component and is fixed to the lower voice diaphragm component through the holder. The first voice coil portion includes two first sides and second side connecting thereto, and the second voice coil portion protrudes away from the second side. The voice coil component has greater circumference than the racetrack voice coil, enabling better acoustic performance.Type: GrantFiled: July 28, 2022Date of Patent: February 4, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Hongjian Hu, Min Su, Shuai Li
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Patent number: 12207072Abstract: A speaker includes: a frame, a vibration system, including a diaphragm and a voice coil driving the diaphragm to vibrate and emit sounds, and a magnetic circuit system fixed to the frame, including a lower plate, and a central magnetic portion and an auxiliary magnet fixed to the lower plate, the central magnetic portion spaced apart from the auxiliary magnet, the auxiliary magnet surrounding the central magnetic portion and forming a magnetic gap, the voice coil located in the magnetic gap, wherein the central magnetic portion includes a main magnetic portion and a reinforcing portion surrounding the main magnetic portion, a projection of the voice coil in a vibration direction of the diaphragm is at least partially located in the reinforcing portion. Compared with the related art, the speaker disclosed by the present disclosure could improve the BL value of the voice coil.Type: GrantFiled: December 28, 2022Date of Patent: January 21, 2025Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Yang Shi, Jiasheng Zhou