Patents by Inventor Lubin Mao

Lubin Mao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11967874
    Abstract: The present disclosure discloses a linear motor including a housing with an accommodation space, a vibrator and a stator received in the accommodation space and an elastic support fixed on the vibrator and configured to suspend the vibrator in the accommodation space; the stator includes a coil and a copper ring both opposite to the vibrator; the copper ring and the coil are arranged on two opposite sides of the vibrator separately along a first direction perpendicular with a vibration direction of the vibrator. The copper ring serves as a damper providing electromagnetic resilience for the vibrator, effectively improve the automation and efficiency of the manufacture of the linear vibration motor.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: April 23, 2024
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Ziang Li, Zhiyong Cui, Jie Ma, Lubin Mao
  • Patent number: 11950076
    Abstract: A speaker includes: a housing including a ring-shaped frame, a front cover and a bottom shell; a vibration system and a magnetic circuit system, the vibration system including a diaphragm fixed on the frame, a voice coil support fixed on the diaphragm and a voice coil supported by the voice coil support, the magnetic circuit system including a first magnetic yoke fixed on the front cover and a magnet assembly fixed on the first magnetic yoke. A first opening is provided to penetrate a center portion of the diaphragm, and the diaphragm includes an inner edge enclosing the first opening and an outer edge fixed to the frame, the magnetic circuit system extends through the first opening, the housing further includes an extension portion extending from the front cover toward the diaphragm and surrounding the magnetic circuit system, and the inner edge of the diaphragm is fixed to the extension.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: April 2, 2024
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Lubin Mao, Dong Lu, Jie Ma, Ziang Li
  • Patent number: 11949307
    Abstract: The present disclosure discloses a linear motor having a housing with an accommodation space, a vibration unit and a driving unit received in the accommodation. The vibrator unit includes a weight with a receiving space and a magnet unit fixed on the weight and inside the receiving space. The driving unit includes an iron core received in the receiving space, two pole pieces respectively fixed on two opposite ends of the iron core along a vibration direction and a coil wound around the iron core. A groove is provided on the pole piece and faces the magnet unit along a first direction perpendicular with the vibration direction. The distance between the pole piece and the magnet unit increases, effectively decreasing the magnetic attraction force between the pole piece and magnet unit and avoiding the non-linear vibration of the linear vibration motor.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: April 2, 2024
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Ziang Li, Lubin Mao, Zhiyong Cui, Jie Ma
  • Publication number: 20240088768
    Abstract: 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: Application
    Filed: January 4, 2023
    Publication date: March 14, 2024
    Inventors: Lubin Mao, Yun Tang, Jie Ma, Ziang Li
  • Publication number: 20240089662
    Abstract: A multifunctional sound device includes a housing, a sound unit, a vibrator, and coils. The housing includes an accommodating cavity, and the sound unit is accommodated in the accommodating cavity and is fixedly connected to the housing. The sound unit includes a frame, a vibration system, and a magnetic circuit system. The vibration system is disposed in the frame, and the magnetic circuit system drives the vibration system to reciprocally vibrate and generate sound along a first direction. The sound unit and the vibrator are assembled in the housing and share one magnetic system, which saves space and greatly reduces occupied space. Moreover, the magnetic circuit system interacts with the coils to drive the vibrator to vibrate in the second direction and the third direction, thereby enhancing vibration effect.
    Type: Application
    Filed: January 4, 2023
    Publication date: March 14, 2024
    Inventors: Yun Tang, Lubin Mao, Jie Ma, Ziang Li, Xingzhi Huang, Wei Song
  • Publication number: 20240089663
    Abstract: A multifunctional sound device includes a housing, a sound unit, a vibrator, and a coil. The housing includes an accommodating cavity, and the sound unit is suspended in the accommodating cavity. The sound unit includes a frame, a vibration system, and a magnetic circuit system. The vibration system is fixed in the frame, and the magnetic circuit system drives the vibration system to vibrate and generate sound along a first direction, where the magnetic circuit system includes a magnetic gap. Since the speaker and the motor share one magnetic system, the sound unit and the vibrator are assembled in the housing, which greatly reduces occupied space. The sound unit and the vibrator form a dual-vibration system, and the sound unit cooperatively vibrates with the vibrator in addition to generating sound, which improves vibration effects and further avoids adding other components, thereby saving space.
    Type: Application
    Filed: January 4, 2023
    Publication date: March 14, 2024
    Inventors: Yun Tang, Lubin Mao, Jie Ma, Ziang Li, Xingzhi Huang, Wei Song
  • Publication number: 20240080628
    Abstract: The invention provides a multifunctional sounding device, which includes a housing with a containment space and a sounding unit suspended in the containment space. The sounding unit includes a frame, a vibration system and a magnetic circuit system. The magnetic circuit system includes a main magnet and a secondary magnet. The multifunctional sounding device further includes a coil. The sounding unit of the present invention is a motor vibrator, the coil is a motor stator, and the magnetic circuit system can drive the vibration system to vibrate to realize the sound production function of the speaker. This allows the to motor and the speaker to share a set of the magnetic circuit system, which is easy to assemble, lower in cost, and saves space for the whole device.
    Type: Application
    Filed: May 22, 2023
    Publication date: March 7, 2024
    Inventors: Lubin Mao, Ziang Li, Yun Tang, Jie Ma
  • Publication number: 20240072627
    Abstract: 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: Application
    Filed: December 1, 2022
    Publication date: February 29, 2024
    Inventors: Lubin Mao, Ziang Li, Jie Ma, Yun Tang
  • Patent number: 11917389
    Abstract: The present disclosure discloses a multifunctional sounding device including a frame, a vibrator assembly, and a speaker assembly. The frame includes a top wall and a bottom wall. The vibrator assembly includes a vibrating unit vibrating along a first direction. The speaker assembly includes two magnetic units locating on two opposite sides of the vibrating unit respectively, a diaphragm fixed to the top wall, and two voice coils. The diaphragm vibrates along a second direction that is perpendicular to the first direction. A winding axis of each voice coil is perpendicular to the first and second directions. The two magnetic units are sandwiched between the top wall and the bottom wall. A peripheral edge of the diaphragm is recessed inward for avoiding the two magnetic units. The multifunctional sounding device disclosed by the present disclosure combines functions of emitting sounds and providing vibrations.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: February 27, 2024
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Xingzhi Huang, Yao Wang, Lubin Mao, Jie Ma
  • Patent number: 11916458
    Abstract: One of the objects of the present disclosure is to provide a linear vibration motor which improves the rigidity of the whole system and ensures enhanced stability. The present disclosure provides a linear vibration motor having a housing body; a stator including at least two solenoid assemblies with parallel axes; a vibrator installed in the housing body; and an elastic connector suspending the vibrator in the housing body. The vibrator includes a first magnet assembly being located between two adjacent at least two solenoid assemblies and including a first magnet and a second magnet. Magnetization directions of the first magnet and the second magnet are opposite and parallel to an axial direction of the solenoid assembly.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: February 27, 2024
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Zhiyong Cui, Yao Wang, Lubin Mao, Yun Tang, Jie Ma
  • Patent number: 11909289
    Abstract: The present invention provides a vibration motor having a housing with an accommodation space; a vibrator; a stator; and an elastic support assembly suspending the vibrator in the accommodation space. The elastic support assembly includes one elastic support between the vibrator and the housing. The elastic support includes a first fixed part, a second fixed part, a first elastic support arm connecting the first fixed part and the second fixed part, and spaced from the vibrator, and a first flange formed by bending and extending from the first elastic support arm. The first flange keeps a distance from the vibrator or the housing. Such a vibration motor has enhanced stiffness.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: February 20, 2024
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Jie Ma, Lubin Mao
  • Patent number: 11870317
    Abstract: The present disclosure provides a vibration motor having a housing with an accommodation space; a vibration member and a stator in the accommodation space. The vibration member includes a weight having a main body with an accommodation cavity and a protruding part formed by extending from diagonal corners of the main body along a vibration direction of the vibration member, and a magnetic circuit system accommodated in the accommodation cavity. A position limiting gap is formed between the protruding part and the housing along the vibration direction of the vibration member. One of the objects of the present disclosure is to provide a vibration motor with improved stability of the whole system.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: January 9, 2024
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Lubin Mao, Jie Ma
  • Publication number: 20230378862
    Abstract: The present invention provides a linear vibration motor, including a housing with a receiving space; a vibration unit arranged in the receiving space; an elastic member that suspends the vibration unit in the receiving space; and a coil assembly fixed to the housing and driving the vibration unit to vibrate. Compared with the related art, the linear vibration motor of the present invention is easy to assemble and good in vibration performance.
    Type: Application
    Filed: June 6, 2022
    Publication date: November 23, 2023
    Inventors: Lubin Mao, Zhiyong Cui, Jie Ma, Ziang Li, Yao Wang
  • Patent number: 11784549
    Abstract: The present disclosure provides a motor, including a housing having an accommodating space, a vibrator and a stator that are accommodated in the accommodating space. One of the vibrator and the stator includes a magnetic circuit structure, and the other includes a coil assembly. The coil assembly includes an iron core and a first drive coil and a second drive coil that separately sleeved on two ends of the iron core in a vibration direction of the vibrator, a powering direction of the first drive coil being opposite to a powering direction of the second drive coil. In the present disclosure, the first drive coil and the second drive coil are subjected to Lorentz force in the same direction, thereby vibration of the motor may be improved.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: October 10, 2023
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Lubin Mao, Zhaoxian Chen, Zijie Zhang
  • Patent number: 11770059
    Abstract: The present invention provides a vibration motor including an installation housing having a through opening; a vibrator; an elastic member suspending the vibrator; a stator; a magnet; a coil; and a flexible circuit board. The flexible circuit board includes a first conduction part, a second conduction part, and a bending part. The vibration motor further comprises a connection bracket having a first connection part connected to the vibrator and a second connection part connected to the elastic member. By virtue of the configuration described in the invention, the assembly accuracy of the vibration motor is ensured.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: September 26, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Jie Ma, Lubin Mao
  • Patent number: 11758333
    Abstract: The present disclosure provides multi-functional sound producing apparatus, including housing defining receiving cavity and sound producing device. The sound producing device includes vibration system and magnetic circuit unit driving vibration system to vibrate along first direction. The magnetic circuit unit includes main magnet assembly and auxiliary magnet. The apparatus further includes motor device which includes elastic member fixedly connected to housing, weight connected to elastic member, magnet component fixed to weight and vibrating along second direction with weight, and driving member fixed to bottom wall to drive magnet component to vibrate. Two groups of magnet component and driving member are provided, each of two opposite sides of main magnet assembly is provided with one group of magnet component and driving member, and second direction is perpendicular to first direction. The present disclosure has advantages of simple assembly, more saved overall space, low costs.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: September 12, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Xingzhi Huang, Yao Wang, Lubin Mao, Dong Lu
  • Publication number: 20230283956
    Abstract: A speaker includes: a housing including a ring-shaped frame, a front cover and a bottom shell; a vibration system and a magnetic circuit system, the vibration system including a diaphragm fixed on the frame, a voice coil support fixed on the diaphragm and a voice coil supported by the voice coil support, the magnetic circuit system including a first magnetic yoke fixed on the front cover and a magnet assembly fixed on the first magnetic yoke. A first opening is provided to penetrate a center portion of the diaphragm, and the diaphragm includes an inner edge enclosing the first opening and an outer edge fixed to the frame, the magnetic circuit system extends through the first opening, the housing further includes an extension portion extending from the front cover toward the diaphragm and surrounding the magnetic circuit system, and the inner edge of the diaphragm is fixed to the extension.
    Type: Application
    Filed: May 13, 2022
    Publication date: September 7, 2023
    Inventors: Lubin Mao, Dong Lu, Jie Ma, Ziang Li
  • Publication number: 20230283957
    Abstract: The present disclosure discloses a multifunctional sounding device including a frame, a vibrator assembly, and a speaker assembly. The vibrator assembly includes a vibrating unit suspended in the frame and vibrating along a first direction. The speaker assembly includes two magnetic units, a diaphragm, and two voice coils. The two magnetic units are fixed to the frame and locate on two opposite sides of the vibrating unit respectively. Each magnetic unit includes a magnetic gap. The diaphragm is fixed to the frame and vibrates along a second direction that is perpendicular to the first direction. The two voice coils locate in the magnetic gaps of the two magnetic units respectively. A winding axis of each voice coil is perpendicular to the first direction and the second direction. The multifunctional sounding device disclosed by the present disclosure combines functions of emitting sounds and providing vibrations.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 7, 2023
    Inventors: Xingzhi Huang, Yao Wang, Lubin Mao, Jie Ma
  • Publication number: 20230283958
    Abstract: The present disclosure discloses a multifunctional sounding device including a frame, a vibrator assembly, and a speaker assembly. The frame includes a top wall and a bottom wall. The vibrator assembly includes a vibrating unit vibrating along a first direction. The speaker assembly includes two magnetic units locating on two opposite sides of the vibrating unit respectively, a diaphragm fixed to the top wall, and two voice coils. The diaphragm vibrates along a second direction that is perpendicular to the first direction. A winding axis of each voice coil is perpendicular to the first and second directions. The two magnetic units are sandwiched between the top wall and the bottom wall. A peripheral edge of the diaphragm is recessed inward for avoiding the two magnetic units. The multifunctional sounding device disclosed by the present disclosure combines functions of emitting sounds and providing vibrations.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 7, 2023
    Inventors: Xingzhi Huang, Yao Wang, Lubin Mao, Jie Ma
  • Publication number: 20230283959
    Abstract: The present disclosure provides multi-functional sound producing apparatus, including housing defining receiving cavity and sound producing device. The sound producing device includes vibration system and magnetic circuit unit driving vibration system to vibrate along first direction. The magnetic circuit unit includes main magnet assembly and auxiliary magnet. The apparatus further includes motor device which includes elastic member fixedly connected to housing, weight connected to elastic member, magnet component fixed to weight and vibrating along second direction with weight, and driving member fixed to bottom wall to drive magnet component to vibrate. Two groups of magnet component and driving member are provided, each of two opposite sides of main magnet assembly is provided with one group of magnet component and driving member, and second direction is perpendicular to first direction. The present disclosure has advantages of simple assembly, more saved overall space, low costs.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 7, 2023
    Inventors: Xingzhi Huang, Yao Wang, Lubin Mao, Dong Lu