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).
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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: 12192730Abstract: 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: GrantFiled: January 4, 2023Date of Patent: January 7, 2025Assignee: AAC Technologies (Nanjing) Co., Ltd.Inventors: Yun Tang, Lubin Mao, Jie Ma, Ziang Li, Xingzhi Huang, Wei Song
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Publication number: 20240406297Abstract: A portable device, including a frame, a button fixed relative to the frame, a connection member fixedly connecting the button to the frame, a sensor for detecting a pressing state of the button, and a vibration motor fixed below the button. The frame has a mounting hole penetrating therethrough; the frame includes an outer side surface and an inner side surface opposite to the outer side surface; the button is mounted on the outer side surface; the mounting hole penetrates through the outer side surface and the inner side surface; the vibration motor is suspended in the mounting hole; and the connection member is of a hollow ring structure and is fitted and fixed to the edge of the button. When the button vibrates, the 10 vibration is not transferred to other areas of the portable device, thereby achieving better area vibration and more realistic experience for pressing the button.Type: ApplicationFiled: November 30, 2023Publication date: December 5, 2024Inventors: Lubin Mao, Yulei Zhang, Lijin Zhang, Yun Tang, Yajun Zheng, Jie Ma
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Publication number: 20240405651Abstract: A linear vibration motor, including a housing having a receiving space; a vibration assembly and a stator assembly that are received in the receiving space; and an elastic member supporting the vibration assembly in the receiving space. The vibration assembly includes a weight suspended in the receiving space, and the weight has a receiving hole penetrating through the weight. The vibration assembly further includes an iron core fixed to the weight and received in the receiving hole, and a coil wound around the iron core; and the stator assembly includes a magnet fixed to the housing, and the magnet extends into the receiving hole and is spaced from the coil and the weight. The linear vibration motor has an improved electromagnetic field utilization rate of the iron core and the coil and enhanced magnetic field intensity of the magnet, and an improved driving force and vibration performance.Type: ApplicationFiled: December 25, 2023Publication date: December 5, 2024Inventors: Lubin Mao, Yun Tang, Jie Ma
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Publication number: 20240402808Abstract: A vibration feedback device, a handheld communication device including the same and a wearable device. The vibration feedback device is provided on a frame and includes a button fixed to the frame; a sensor for detecting a pressing state of the button; and a vibration motor fixed to the frame and arranged below the button. The frame includes an outer side surface, an inner side surface, and a mounting hole penetrating through the outer and inner side surfaces; the vibration motor includes a stator fixed to the inner side surface, an antenna arranged in the mounting hole, and an elastic connection member connecting the antenna to the stator; and a direction of a pressing force of the button is perpendicular to a vibrating direction of the antenna. The vibration feedback device provides a vibration feedback that is different from the direction of the pressing force and is diversified.Type: ApplicationFiled: December 21, 2023Publication date: December 5, 2024Inventors: Lubin Mao, Yun Tang, Jie Ma
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Publication number: 20240339279Abstract: A button and electronic device, including shell and motor connected to the shell, the motor includes base and magnetic circuit, accommodating space is formed in the base, at least part of the magnetic circuit is accommodated in the accommodating space. The magnetic circuit at least includes magnetic conductive cover plate, voice coil and iron core, the magnetic conductive cover plate is fixedly connected to the shell and movably connected to the base. The voice coil and the iron core are accommodated in the accommodating space and are fixedly connected to the base, the voice coil is sleeved on the iron core, preset gap is formed between the iron core and the magnetic conductive cover plate. The voice coil and the iron core drive the magnetic conductive cover plate to drive the shell to move. The button can achieve feedback function to the user, thereby improving accuracy of user operation.Type: ApplicationFiled: December 25, 2023Publication date: October 10, 2024Inventors: Xingzhi Huang, Wei Song, Xiaofeng Pu, Lubin Mao, Yun Tang, Jie Ma
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Publication number: 20240339018Abstract: The present disclosure provides a wearable device, including: a casing having an accommodating cavity and an opening communicating with the accommodating cavity, a feedback module arranged in the accommodating cavity, and a moveable part. One end of the moveable part is connected to the feedback module, and an other end protrudes from a surface of the casing via the opening. The feedback module includes a speaker and a vibration component, the moveable part is connected to the vibration component and vibrates with the vibration component. When a wearer wears the wearable device, the end of the moveable part protruding from the casing contacts with the wearer's skin. When the moveable part vibrates, the wearer can be warned. The feedback module provided by the present disclosure includes a speaker and a vibration component, which can warn the wearer by auditory and tactile senses, thereby improving user experience of the wearer.Type: ApplicationFiled: December 11, 2023Publication date: October 10, 2024Inventors: Xingzhi Huang, Wei Song, Lubin Mao, Jie Ma, Yun Tang
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Patent number: 12051957Abstract: 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: GrantFiled: June 6, 2022Date of Patent: July 30, 2024Assignee: AAC MICROTECH (CHANGZHOU) CO., LTD.Inventors: Lubin Mao, Zhiyong Cui, Jie Ma, Ziang Li, Yao Wang
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Publication number: 20240223950Abstract: This application provides an ultra-low frequency sound compensation system and method based on haptic feedback, and a computer-readable storage medium. The ultra-low frequency sound compensation system includes a response module, configured to sense an ultra-low frequency sound compensation operation of a user, and output a control command while sensing the ultra-low frequency sound compensation operation; a processing module, configured to process an audio signal to be output under control of the control command to obtain an ultra-low frequency signal; and a vibration module, configured to be driven to by the ultra-low frequency signal to generate a vibration.Type: ApplicationFiled: June 6, 2023Publication date: July 4, 2024Inventors: Xingzhi Huang, Wei Song, Yun Tang, Lubin Mao, Ronglin Linghu, Jie Ma
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Publication number: 20240220020Abstract: A multi-functional feedback device, a haptic feedback system, and augmented reality (AR)/virtual reality (VR) glasses are provided. In the multi-functional feedback device, a vibration unit and a touch unit are assembled in a housing and share a magnetic circuit unit, which not only realizes transmission of a sound signal, but also realizes haptic feedback through a vibration signal, achieving a multi-functional feedback effect. Due to sharing a same magnetic circuit unit, costs can be saved, and an occupied space can be saved. The haptic feedback system includes the multi-functional feedback device. The vibration unit and the touch unit can be separate power amplifiers or a common power amplifier. In the AR/VR glasses, the haptic feedback system is assembled in a glasses frame, which can realize a reminder through vibration or sound on a head when used by a user, so as to meet diverse requirements.Type: ApplicationFiled: May 31, 2023Publication date: July 4, 2024Inventors: Xingzhi Huang, Wei Song, Lubin Mao, Yun Tang, Jie Ma, Ronglin Linghu
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Patent number: 12028695Abstract: 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: GrantFiled: May 27, 2022Date of Patent: July 2, 2024Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Xingzhi Huang, Yao Wang, Lubin Mao, Jie Ma
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Publication number: 20240213865Abstract: A linear vibration motor includes a vibration assembly including a mass block and a magnet assembly fixed to the mass block; and a stator assembly including an iron core and a coil. The iron core includes an iron core body and an extending structure. The extending structure includes first extending portions, first claw poles bending and extending from the first extending portions to a second end portion, second extending portions extending from the second end portion, and second claw poles bending and extending from the second extending portions. The first and the second claw poles are arranged at intervals along a vibration direction and directly face towards the magnet assembly. With the first and the second claw poles staggered along the vibration direction, the thickness of the linear vibration motor is reduced while ensuring sufficient driving force, so that it can be better applied to light and thin mobile terminals.Type: ApplicationFiled: July 20, 2022Publication date: June 27, 2024Inventors: Lubin Mao, Ziang Li
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Publication number: 20240204640Abstract: A multi-directional vibration motor, including a housing, a vibration unit, a coil unit, and a peripheral magnetic ring. The vibration unit includes a magnet unit in a cylinder shape and magnetized along a first direction. The coil unit is opposite to the magnet unit. The peripheral magnetic ring surrounds and is spaced apart from the coil unit. A magnetic pole at an inner side of the peripheral magnetic ring is the same as a magnetic pole at a side of the magnet unit adjacent thereto. The peripheral magnetic ring is formed by magnets that are symmetrical in pairs. The peripheral magnetic ring includes two first magnetic rings at two opposite sides of the coil unit along a second direction and two second magnetic rings at two opposite sides of the coil unit along a third direction. The motor realizes multi-directional vibration and has a small size.Type: ApplicationFiled: May 30, 2023Publication date: June 20, 2024Inventors: Jie Ma, Lubin Mao, Yun Tang, Ziang Li, Wei Song
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Publication number: 20240205608Abstract: The multifunctional sounding device provided by the present disclosure includes a housing body, a sounding unit and a vibration assembly. The sounding unit includes a frame, a vibration system fixed on the frame, and a magnetic circuit system that drives the vibration system to vibrate and produce sound in a first direction. The vibrator surrounds the outside of the magnetic circuit system with space. The coil assembly interacts with the magnetic circuit system to drive the vibrator to vibrate in a second direction perpendicular to the first direction. The coil assembly includes an iron core fixed to the vibrator and a coil wrapped around the iron core. The multifunctional sounding device of the present disclosure has a small thickness and low production cost.Type: ApplicationFiled: June 21, 2023Publication date: June 20, 2024Inventors: Lubin Mao, Ziang Li, Jie Ma, Yun Tang, Dong Lu
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Publication number: 20240205607Abstract: A multifunctional sound device includes a housing, a sound unit, and a motor assembly. The sound unit includes a frame, a vibration system, a magnetic circuit system, and a first elastic component. The vibration system includes a vibrating diaphragm and a a voice coil. The voice coil drives the vibrating diaphragm to vibrate and generate sound along a first direction. A first end of the first elastic component is fixed to the frame. A second end of the first elastic component is elastically connected to the magnetic circuit system. The voice coil drives the magnetic circuit system to vibrate along the first direction. A mounting groove is defined on the magnetic circuit system. The motor assembly includes a stator and second elastic components. The stator is fixed to the housing. The stator is spaced apart from the magnetic circuit system and drives the magnetic circuit system to vibrate.Type: ApplicationFiled: June 19, 2023Publication date: June 20, 2024Inventors: Xingzhi Huang, Wei Song, Jie Ma, Lubin Mao, Yun Tang, Ziang Li
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Publication number: 20240204639Abstract: A vibration motor, including a vibration assembly and a stator assembly. The vibration assembly includes a weight, a magnet assembly fixed to an inner wall of the weight, and an elastic member. The magnet assembly includes a first magnet assembly fixed to the inner wall along a first direction perpendicular to a vibrating direction. The first magnet assembly includes a first magnetically conductive plate fixed to the inner wall and a first magnet fixed to a side of the first magnetically conductive plate away from the inner wall. The magnet assembly includes a second magnet between the inner wall and the first magnetically-conductive plate. The first magnetically-conductive plate is provided with the first and second magnets at two sides, effectively improving magnetic field performance and significantly improving a driving force. The vibration motor provides users with strong vibration feedback, improving user experience.Type: ApplicationFiled: May 24, 2023Publication date: June 20, 2024Inventors: Lubin Mao, Yun Tang, Jie Ma
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Publication number: 20240205576Abstract: A multifunctional sound device includes a housing, a sound unit, and a motor assembly. The sound unit includes a frame, a vibration system, and a magnetic circuit system. The motor assembly includes a vibration unit and elastic components. The vibration unit includes driving coils and a mass block. The driving coils are fixed to the mass block and located in a magnetic field range of the magnetic circuit system. The mass block is made of conductive materials. The driving coils interact with the magnetic circuit system to enable the vibration unit to vibrate in a reciprocating mode after the driving coils are energized. Compared with related art, the multifunctional sound device is small in overall thickness and size, large in electromagnetic damping of a magnetic circuit, easy to assemble, and excellent in acoustic performance.Type: ApplicationFiled: June 19, 2023Publication date: June 20, 2024Inventors: Lubin Mao, Jie Ma, Yun Tang, Ziang Li
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Publication number: 20240179472Abstract: A multifunctional speaker device is provided and includes a housing with an accommodating space, a sounder in the accommodating space, a motor assembly, and an auxiliary magnetic circuit unit. The sounder includes a frame, a vibration unit, and a magnetic circuit unit. The motor assembly includes an elastic member and a vibrator including driving coils. The vibrator. The driving coils are located at a side of the magnetic circuit unit away from the vibration unit. The auxiliary magnetic circuit unit is fixed to a side of the housing away from the vibrator and is directly opposite to and spaced apart from the magnetic circuit unit. The driving coils are spaced apart from each other between the magnetic circuit unit and the auxiliary magnetic circuit unit. The multifunctional speaker device provided by the disclosure can greatly enhance performance of the motor and sounder, and achieve good user experience.Type: ApplicationFiled: May 8, 2023Publication date: May 30, 2024Inventors: Lubin Mao, Yun Tang, Jie Ma, Fan Zhang
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Patent number: 11967874Abstract: 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: GrantFiled: December 3, 2021Date of Patent: April 23, 2024Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Ziang Li, Zhiyong Cui, Jie Ma, Lubin Mao
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Patent number: 11950076Abstract: 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: GrantFiled: May 13, 2022Date of Patent: April 2, 2024Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventors: Lubin Mao, Dong Lu, Jie Ma, Ziang Li