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: 10819204
    Abstract: The present disclosure provides a vibration motor. The vibration motor includes a first vibrator and a second vibrator which perform relative moved. One of the first vibrator and the second vibrator is provided with a magnetic circuit, and the other one is provided with a coil corresponding to the magnetic circuit. The coil and the magnetic circuit interact to generate a driving force to drive the relative moved of the first vibrator and the second vibrator. A BL value of the magnetic circuit can be effectively improved, a better vibration feeling can be achieved, and the circuit reliability can be improved.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Lubin Mao, Yun Tang
  • Publication number: 20200304005
    Abstract: The present application discloses a linear motor, which includes a housing having a receiving cavity, a vibrator received in the receiving cavity, a stator received in the receiving cavity, and a flexible support connecting to the housing and suspending the vibrator in the receiving cavity. The stator includes an iron core fixed to the housing and a coil winded on the iron core. The iron core includes a first iron core and a second iron core perpendicular to the first iron core, the coil includes a first coil winded on the first iron core and a second coil winded on the second iron core, and the winding directions of the first coil and the second coil are perpendicular to each other. The linear motor of the present invention not only effectively widens the working frequency band of the motor, but also enriches the vibration effect of the motor.
    Type: Application
    Filed: December 30, 2019
    Publication date: September 24, 2020
    Inventors: Lubin Mao, Zhaoxian Chen, Zijie Zhang
  • Patent number: 10778075
    Abstract: The present disclosure discloses a linear vibration motor. The linear vibration motor includes a base, a vibrating unit disposed in the base, an elastic member for suspending the vibrating unit in the base and a coil. The vibrating unit includes a mass block, a first magnet steel and a second magnet steel received in the mass block, there are two second magnet steels separately disposed on two opposite sides of the first magnet steel. The coil includes a first coil and a second coil that are insulated from each other, and the driving force generated by the first coil can drive the first magnet steel to vibrate along a first direction, while the driving force generated by the second coil can drive the second magnet steel to vibrate along a second direction, wherein the first direction is perpendicular to the second direction.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: September 15, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Lubin Mao, Yun Tang
  • Publication number: 20200212775
    Abstract: The present invention provides a linear vibration motor, including a base with an accommodating space, and a vibration unit located in the accommodating space. The vibration unit includes a weight, a containing groove, and a number of coil assemblies in the containing groove. The motor further includes a magnet at least partially accommodated in the containing groove and disposed opposite to the coil assembly, and an elastic piece for suspending the vibration unit. The coil assembly includes an iron core and a coil wound around the iron core. The magnet is magnetized along the vibrating direction, the coil assembly is magnetized along a direction perpendicular to the vibration direction, and the magnetic poles of the coil assembly adjacent to the magnet are the same and are disposed opposite to each other. By virtue of the configuration disclosed by the present invention, the vibration performance is improved.
    Type: Application
    Filed: December 6, 2019
    Publication date: July 2, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200212779
    Abstract: The present invention provides a linear vibration motor including a housing with; a vibrator and a stator accommodated in the housing; and elastic support parts suspending the vibrator in the accommodation space. Each elastic support part includes a first installation part fixed to the housing, a second installation part fixed to the vibrator, a first extension part connecting with one end of the second installation part, a second extension part, and a third extension part fixedly connected with the first installation part. By virtue of the invention, the stress generated by the vibration of the vibrator is respectively borne by the two extension parts between the two fixation parts of the elastic support parts. The elastic support parts are more difficult to deform. Accordingly, the linear vibration motor has better reliability.
    Type: Application
    Filed: December 4, 2019
    Publication date: July 2, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200212781
    Abstract: An embodiment of the invention provides a linear vibration motor. The linear vibration motor includes a base, a vibration unit, an elastic piece and a coil assembly. The vibration unit includes a weight, a containing groove penetrating the weight, and two magnets arranged in the containing groove. The elastic piece is located on one side of the vibration unit and is connected with the vibration unit. The coil assembly has an iron core and a coil wound around the iron core. The two magnets are magnetized such that the magnetic poles of the two magnets are oppositely arranged. The magnetizing direction of the coil assembly is perpendicular to the vibration direction and is parallel to the connecting line of the two magnets. Compared with the related art, the linear vibration motor is improved in vibration performance and reliability.
    Type: Application
    Filed: December 6, 2019
    Publication date: July 2, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200212782
    Abstract: An embodiment of the invention provides a linear vibration motor. The linear vibration motor includes a base with a containing space, a vibration unit arranged in the containing space, an elastic piece suspending the vibration unit in the containing space, and a magnet assembly fixed to the base and driving the vibration unit to vibrate. The vibration unit includes a weight, a containing groove penetrating through the weight and at least one pair of coils which are oppositely fixed to the weight. The magnet assemblies has two magnets which are respectively fixed on two opposite sides of the base. The two magnets are at least partially located in the containing grooves, and are magnetized in the vibration direction. Compared with the related art, the linear vibration motor is improved in vibration performance and reliability.
    Type: Application
    Filed: December 6, 2019
    Publication date: July 2, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200212780
    Abstract: The present invention provides a linear motor including: a housing with an accommodation space; a vibrator and a stator; and elastic parts suspending the vibrator in the accommodation space. The elastic part includes an outer elastic part, and a first and second extension parts, and an inner elastic part spaced from the outer elastic part, a third extension part and a fourth extension part which respectively bend and extend from both ends of the second body part. The first extension part and the third extension part are connected; the second extension part and the fourth extension part are connected; the first body part, the second extension part, the fourth extension part, the second body part and the third extension part are connected for forming a hollow structure. The first fixation part is fixed to the housing, and the second fixation part is fixed to the vibrator.
    Type: Application
    Filed: December 4, 2019
    Publication date: July 2, 2020
    Inventors: Yun Tang, Lubin Mao
  • Patent number: 10615679
    Abstract: The present disclosure provides a vibration motor. The vibration motor includes a housing having a bottom wall and a side wall, a vibrator received in the housing, and an elastic member supporting vibration of the vibrator. The side wall includes a first side wall extending in a long axis direction of the vibration motor and a second side wall extending in a short axis direction of the vibration motor. The coil is disposed inclined to the first side wall. The vibration motor provided by the present disclosure can simultaneously provide driving forces in two directions of X and Y, achieves dual-f0 vibration output, and is simple in structure, so that not only the working band is effectively expanded, but also the vibration effect is enriched.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 7, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Lubin Mao, Zhaoxian Chen
  • Patent number: 10601291
    Abstract: A linear motor is disclosed. A linear motor includes a housing having a bottom wall, a cover plate opposite to the bottom wall, and a side wall connecting the bottom wall with the cover plate for forming an accommodation space. The linear motor further includes a stator, and a vibrator accommodated in the accommodating space. One of the bottom wall and the cover plate is connected with the stator, and the other supports the vibrator. Further, the side wall comprises a first connecting part connecting with the bottom wall, a second connecting part connecting with the cover plate, and an elastic arm connecting the first connecting part with the second connecting part.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: March 24, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Lubin Mao, Rongguan Zhou, Jiwei Ge
  • Publication number: 20200044528
    Abstract: The present disclosure provides a vibration motor and a mobile communication device using same. The vibration motor includes an housing, a vibrator accommodated in the housing, a driving apparatus driving the vibrator to vibrate, and an elastic part elastically supporting the vibrator, where the driving apparatus is a secondary coil accommodated in the housing, the vibrator is provided with a magnet steel corresponding to the coil, the vibration motor further includes a primary coil, disposed outside the housing, corresponding to the secondary coil, and spaced apart from the secondary coil, and the primary coil is electrically connected to the outside to generate an alternating electromagnetic field, to cause the secondary coil to generate an induced electromotive force, and cause relative vibration between the vibrator and the secondary coil.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200044531
    Abstract: The present disclosure provides a linear vibration motor, including a substrate having an accommodation space, a vibration system accommodated in the accommodation space, an elastic member fixing and suspending the vibration system in the accommodation space, and a driving system fixed on the substrate and driving the vibration system to vibrate in a direction perpendicular to a horizontal direction. The vibration system includes a magnet; the driving system includes an iron core fixed on the substrate, a first coil and a second coil that are sleeved over and fixed on the iron core and that are stacked with each other, and an auxiliary magnet covering an end of the iron core.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Inventors: Tao Zhang, Lubin Mao
  • Publication number: 20200044534
    Abstract: A vibration motor in the present disclosure includes a housing having an accommodating space, a first vibrator accommodated in the housing and having a magnetic steel, a driving apparatus disposed opposite to the magnetic steel and configured to drive the first vibrator, an elastic part elastically supporting the first vibrator, and a circuit board. The vibration motor further includes a primary coil electrically connected to the circuit board. The driving apparatus is a secondary coil disposed separately from the primary coil. The primary coil is electrically connected to the outside by using the circuit board to generate an alternating electromagnetic field, to cause the secondary coil and generates an induced electromotive force, and cause relative vibration between the secondary coil and the first vibrator. The present disclosure simplified structure, saved space, and avoided reliability problems such as winding and breaking, thereby effectively improving the product reliability performance.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200044535
    Abstract: Disclosed is a vibration motor including a housing, a vibrator, a driving apparatus, and an elastic part. The housing includes a top wall, a bottom wall and a side wall. The vibrator includes a counterweight block and magnet steels disposed in the counterweight block. The vibration motor further includes a hollow portion penetrating through the counterweight block from an upper surface toward a lower surface, and inner walls defining the hollow portion. The driving apparatus is disposed in the hollow portion and drives the counterweight block to vibrate in vibrate directions parallel to the bottom wall. The inner walls include a first and a second inner wall, the magnet steels include a first magnet steel disposed on the first inner wall and a second magnet steel disposed on the second inner wall, which interact with the driving apparatus respectively to drive the vibrator to vibrate along the two vibrate directions.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200044533
    Abstract: A vibration motor in the present disclosure includes a housing, vibrators accommodated in the housing, a driving apparatus configured to drive the vibrators to vibrate, and elastic support components elastically supporting the vibrators. The driving apparatus includes coils disposed on the top wall and/or the bottom wall and an iron core that is disposed corresponding to the coils and that is fixedly connected to the housing. The vibrators include a first vibrator and a second vibrator. The first vibrator includes a first mass block and a first magnetic steel connected to the first mass block. The second vibrator includes a second mass block and a second magnetic steel connected to the second mass block. The elastic support components include a first elastic support component and a second elastic support component disposed at two sides of the vibrator.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200044545
    Abstract: Disclosed is a vibration motor including: a housing having an accommodating space, a first vibrator accommodated in the housing and having a coil, a first elastic component elastically supporting the first vibrator, and a circuit board electrically connected to outside. The first elastic component includes a first fixed portion, an elastic arm bending and extending from the first fixed portion, and a second fixed portion bending and extending from the elastic arm. The first elastic component includes substrate layers located on two sides and a damping layer sandwiched therebetween. A lead is disposed in the damping layer. The lead extends along the first elastic component and respectively extends out of the first and second fixed portion to form a first and second electrical conductive terminal. The first electrical conductive terminal is electrically connected to the circuit board. The second electrical conductive terminal is electrically connected to the coil.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200044543
    Abstract: Disclosed is a linear vibration motor, including an housing, a driving unit, a vibration unit, and an elastic component. The vibration unit includes a mass block having a through hole, and a permanent magnet and a pole core that are disposed in the through hole, the driving unit includes an iron core fixed on the housing and running through the through hole and a coil wound around the iron core, the pole core is disposed at one side of the permanent magnet close to the coil, the iron core includes an iron core body portion running through the through hole and two iron core abutting portions, the coil is wound around the iron core body portion, two different sides of the permanent magnet have different magnetic polarities, and after the coil is powered on, the two iron core abutting portions have opposite magnetic polarities.
    Type: Application
    Filed: July 29, 2019
    Publication date: February 6, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200044538
    Abstract: The present disclosure provides a linear vibration motor, including a housing, a vibration unit, an elastic component, and a driving unit. the driving unit includes a first coil component and a second coil component that are disposed opposite to each other and spaced apart from each other, the vibration unit includes a first permanent magnet, two second permanent magnets, and two third permanent magnets, the first permanent magnet is disposed between the first coil component and the second coil component, the two second permanent magnets are disposed opposite to two ends of the first coil component, and the two third permanent magnets are disposed opposite to two ends of the second coil component. Compared with the related art, the vibration unit of the linear vibration motor provided in the present disclosure provides a greater driving force and a higher response speed during vibration.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Inventors: Yun Tang, Lubin Mao
  • Publication number: 20200045444
    Abstract: The present disclosure provides a speaker. The speaker includes a basket having an accommodating space, a vibration system and a magnetic circuit system which are accommodated in the accommodating space. The magnetic circuit system includes a yoke fixedly connected to the basket, a main magnetic steel assembled to the middle of the yoke, and a main pole core attached to a surface of the magnet away from the yoke. The main magnetic steel has a first leakage hole formed in a vibration direction of the vibration system, and the main pole core has a second leakage hole formed at a position corresponding to the first leakage hole. The first leakage hole and the second leakage hole are in communication with each other.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Inventors: Zhaoxian Chen, Rongrong Wu, Lubin Mao
  • Publication number: 20200044540
    Abstract: Disclosed is a linear vibration motor, including a housing, a vibration unit, an elastic member suspending the vibration unit, and a driving unit. The vibration unit includes a counterweight block and a magnet steel fixed on the counterweight block; the counterweight block includes a top surface, a bottom surface disposed opposite to the top surface, and a receiving cavity running through the top surface and the bottom surface; there are at least two magnet steels located at two opposite sides of the receiving cavity, and the two magnet steels have a same magnetization direction; and the driving unit is spaced apart from the vibration unit and includes an iron core fixed on the housing and inserted into the receiving cavity and a coil sleeved over the iron core and fixed on the housing, and the iron core and the magnet steel are spaced to form a vibration gap.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Inventors: Yun Tang, Lubin Mao