Aac Technologies Pte. Ltd.

Aac Microtech (changzhou) Co, , Ltd.

Aac Acoustic Technologies (shenzhen) Co., Ltd.

Tcl China Star Optoelectronics Technology Co., Ltd.

Other

Huawei Technologies Co., Limited

Hon Hai Precision Industry Co., Ltd.

Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Huawei Digital Power Technologies Co., Ltd.

Hongfujin Precision Industry (wuhan) Co., Ltd.

Shenzhen Jasic Technology Co., Ltd.

Meibeike (shenzhen) Technollogy Co., Ltd

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Bo Xiao

Ronglin Linghu

Tong Zhang

Chenliang Kong

Wei Song

Xiaodong Liu

Fan Zhang

Xin Jin

Lubin Mao

Jinquan Huang

Bin Cai

Hui Xing Wang

Yun Tang

Li-Fu Xu

Xingzhi Huang

Lei Pan

Zhi-Guo Zhang

Xiang-Kun Zeng

Zhuyong Huang

Lisi Xu

Qiaoling Li

Sinan Mu

Zhengdong Jiang

Chengming Cao

Aiping Xu

Guohui Chen

Donghai Chen

Zhizhang Wang

Junpeng Kang

Wenhai Yao

Hongyu Qiao

The present application provides a sounding device, including a basket frame, a vibration system including a diaphragm, a first voice coil and a second voice coil, and a magnetic circuit system; the first voice coil and the second voice coil are inserted and suspended within a first magnetic gap and a second magnetic gap, respectively. The magnetic circuit system includes a lower clamping plate, a first center magnetic steel and a second center magnetic, and an irregular edge magnetic steel; the irregular edge magnetic steel includes a side magnet body, a first sub-magnetic steel, and a second sub-magnetic steel; the first sub-magnetic steel and the second sub-magnetic steel are located in a side of the first center magnetic steel and a side of the second center magnetic steel, respectively. Compared to the prior art, the sounding device of the present application has good acoustic performance.

Sounding device

Disclosed is a speaker which improves acoustic performances and includes a frame, a vibration system, a magnetic circuit system, a front cover, a sealing diaphragm, and a sound outlet. The vibration system includes an upper diaphragm, a lower diaphragm in an annular shape, a skeleton, and a voice coil. The skeleton includes an annular enclosure wall arranged between the frame and the magnetic circuit system. The lower diaphragm is connected between the frame and the annular enclosure wall. The sealing diaphragm is connected between the frame and the annular enclosure wall. The upper diaphragm and the front cover form a first front cavity. The annular enclosure wall, the sealing diaphragm, the lower diaphragm and the frame form a second front cavity. Both the first front cavity and the second front cavity communicate with the sound outlet.

Speaker

Provided is a vibration motor, including a base, an electromagnetic drive unit, a vibration unit, and a vibration feedback control unit. The electromagnetic drive unit includes a magnet-conducting plate and an elastic assembly. The vibration feedback control unit includes a flexible circuit board, a pressure-sensitive block, and an elastic support member. The flexible circuit board includes a circuit board main body, a first circuit board extension, and a second circuit board extension. The pressure-sensitive block is spaced below the vibration unit. The second circuit board extension is located on the top of the pressure-sensitive block. One end of the elastic support member is fixed to the top of the pressure-sensitive block, and the other end thereof is fixed to the vibration unit for transferring vibrations to the pressure-sensitive block. The vibration motor of the present application has a good vibration effect and a better user experience.

Vibration motor

The present invention provides a coaxial speaker including a fixing member, a magnetic circuit system, a voice coil, a first vibration system connected with the voice coil, and a second vibration system connected with the voice coil and arranged surrounding the first vibration system. The second vibration system locates coaxially with the first vibration system. The first vibration system includes a first diaphragm and a first support connecting the first diaphragm and the voice coil. The second vibration system includes a second diaphragm and a second support connecting the second diaphragm and the voice coil. The first diaphragm is used for generating treble sound. The second diaphragm is used for generating bass sound. Bass sound and treble sound form a full-range speaker, providing high-quality sound. Moreover, the assembly process is simplified by sharing voice coil, which improves assembly efficiency and reduces costs.

Coaxial speaker

A multi-functional sound-generating device, including an enclosure with an accommodating space and a sound outlet, a sound-generating unit in the accommodating space and a motor assembly. The sound-generating unit includes a cone frame fixed to the enclosure, a vibration system and a magnetic circuit system fixed to the cone frame. The magnetic circuit system has a magnetic gap, and can drive the vibration system to vibrate. The motor assembly includes a motor drive unit at periphery of the magnetic circuit system and spaced from the vibration system, and an elastic member fixed to the enclosure and configured to suspend the magnetic circuit system in the accommodating space. The motor drive unit can drive the magnetic circuit system to vibrate, and includes an iron core fixed to the enclosure and spaced from the vibration system and a ring-shaped solenoid fixed to the iron core.

Multi-functional sound-generating device

A headphone includes a housing and a speaker device. The speaker device includes a woofer and a tweeter. The woofer includes a first frame, a first magnetic circuit unit, and a first vibration unit. The tweeter includes a second frame, a second magnetic circuit unit, and a second vibration unit. The first magnetic circuit unit includes an auxiliary magnet close to the second vibration unit. The second magnetic circuit unit includes a central magnet fixed to the second frame and side magnets located at a periphery of the central magnet. A magnetizing direction of the auxiliary magnet and a magnetizing direction of the central magnet are opposite and are arranged along a vibrating direction. Magnetizing directions of the side magnets each point to the central magnet. The speaker device can better satisfy requirements of markets on the size and sound production performance of the headphone.

Speaker device and headphone

The present invention provides a sounding device including a housing body having a containment cavity and a sounding unit placed in the containment cavity. The sounding unit includes a vibration system and a magnetic circuit system. The sounding device includes a box, a coil, a circuit board, and an elastic assembly. The elastic assembly is used to suspend the box in the containment cavity. The present invention coil shares a magnetic circuit system with the vibration system and the sounding unit is directly used as the weight unit of the coil. The parts are shared to the greatest extent, the assembly process is simplified, and the cost is reduced.

The present invention provides a multifunctional acoustic device includes a cover enclosing an accommodating cavity and an acoustic member. The cover has a sound hole. The acoustic member includes a housing, a vibration system having a diaphragm, and a magnetic circuit system driving the diaphragm. The diaphragm divides a space of the housing into a front acoustic cavity and a rear acoustic cavity. The multifunctional acoustic device includes a sound channel communicating the sound hole with the front acoustic cavity and a sealing element located between the sound hole and the sound channel. The sealing element is arranged on a peripheral side of the sound channel so that the acoustic member communicates with an outside only through the sound channel.

Multifunctional acoustic device

The present application discloses a display panel and a display device. The display panel includes a timing controller and a level conversion module, the data enable signal output by the timing controller is used to control the level conversion module to switch the potential of the first control signal and the potential of the second control signal in the vertical blanking interval, and the potential switching interval of the two control signals does not change with the refresh frequency, which can prevent the potential switching interval of the two control signals from being too short.

Display panel and display device

An electronic device includes a heat dissipation part, a plurality of electronic components, and a fixed potential part. The electronic component is fastened to the heat dissipation part, and an insulation pad is disposed between the electronic component and the heat dissipation part. The fixed potential part has a fixed potential, and the heat dissipation part is electrically connected to the fixed potential part. The heat dissipation part has the fixed potential, a potential difference between the electronic component and the heat dissipation part is reduced, and a requirement of a safety specification between the electronic component and the heat dissipation part is reduced. The electronic component can be relatively close to the heat dissipation part, and a surrounding energized component of the heat dissipation part can also be closer to the heat dissipation part.

Electronic device

The present invention provides a multifunctional acoustic device includes a cover enclosing an accommodating cavity and an acoustic member. The cover has a sound hole. The acoustic member includes a housing, a vibration system having a diaphragm, and a magnetic circuit system driving the diaphragm. The diaphragm divides a space of the housing into a front acoustic cavity and a rear acoustic cavity. The multifunctional acoustic device includes a sound channel communicating the front acoustic cavity to an outside of the sound hole and a sealing element located on an outer side of the cover. The sealing element is arranged covering a peripheral side of the sound hole and the sound channel so that the acoustic member communicates with the outside only through the sound channel.

Disclosed is a multifunctional sounding device which combines functions of emitting sounds and providing vibrations and includes a housing; a speaker unit including a vibration assembly vibrating along a first direction and a magnetic assembly including a main magnet and an auxiliary magnet; an elastic member suspending the speaker unit in the housing; a flexible sealing membrane assembly connected between the housing and the speaker unit including an outer ring, an inner ring, and a flexible sealing membrane connected between the two rings; and a driving coil driving the speaker unit for vibrating in a second direction including two sides respectively facing the main magnet and the auxiliary magnet in the first direction. The two directions are perpendicular. The outer ring, the flexible sealing membrane and the inner ring are integrally formed, thereby achieving a high structural consistency and avoiding glue width requirements so as to release spaces.

Multifunctional sounding device

Provided is a multifunctional sounding device and an electronic device. The multifunctional sounding device includes a casing, a sounding body accommodated in the casing, a vibrator assembly and an elastic supporting member for suspending the vibrator assembly in the accommodating space and providing elastic restoring force. The sounding body includes a vibration system and a magnetic circuit system for driving the vibration system to sound. The elastic supporting member includes a first supporting arm fixed to the vibrator assembly, bent portions bent and extended from both ends of the first supporting arm, and second supporting arms extended away from the first supporting arm and both fixed to the casing. A thickening member is arranged on each bent portion, and a sum of a thicknesses of each bent portion and the thickening member is greater than a thicknesses of the first supporting arm and the second supporting arm.

Multifunctional sounding device and electronic device

A driving system and a driving method of a display panel are provided. A flash memory is disposed in a first circuit board of the driving system, and a timing controller is disposed in a second circuit board of the driving system. In this way, only one flash memory is needed to store basic configuration data of the timing controller and adjustment data of the display panel, and a number of flash memory is decreased in comparison with two flash memories required in conventional technology. Flash memory capacity is reasonably used, preventing a waste of flash memory capacity while saving production cost.

Driving system and driving method of display panel

Disclosed is a multifunctional sounding device which combines functions of emitting sounds and providing vibrations and includes a speaker unit including a vibration assembly including a first ring and a diaphragm vibrating along a first direction and a magnetic assembly including a main magnet and an auxiliary magnet; an elastic member suspending the speaker unit; a second ring surrounding the first ring; a flexible sealing membrane connected between the two rings; and a driving coil driving the speaker unit for vibrating in a second direction. The two directions are perpendicular. The driving coil includes two sides respectively facing the main magnet and the auxiliary magnet in the first direction. The diaphragm, the first ring, the flexible sealing membrane and the second ring are integrally formed, thereby ensuring concentricity of them four and avoiding glue width requirements so as to release spaces.

Growing community of inventors

Shenzhen, China

Bo Xiao