Huawei Technologies Co., Limited

Aac Microtech (changzhou) Co, , Ltd.

Aac Technologies Pte. Ltd.

Other

Aac Acoustic Technologies (shenzhen) Co., Ltd.

Thomson Licensing

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Yangtze University

Future Wei Technologies, Inc.

Huizhou Tcl Mobile Communication Co., Ltd.

Tencent Technology (shenzhen) Company Limited

Chinese Academy of Sciences

Xi'an Zhongxing New Software Co., Ltd.

Sanechips Technology Co., Ltd.

China University of Geosciences (beijing)

Fan Zhang

Wei Song

Xin Jin

Bo Xiao

Shuai Li

Wei Su

Gong Zhang

Zhibo Chen

Dong Wei

Wei Yu

Zhiyuan Chen

Shaohua Wang

Fei Li

Lei Chen

Qian Wang

Jun Li

Ronglin Linghu

Shuwen Wu

Ning Liao

Yang Li

Feng Wang

Xin Liu

Liang Chen

Feng Liu

Xiaolong Zhang

Yi Chen

Shu Wang

Zhiwei Zhong

Hui Zhou

Zhang Ren

Zhiqiang Yu

Kangying Cai

Guoqiang Li

Tao Luo

Qi Liu

Zhuo Chen

Hui Wang

Bo Bai

Jianhua Li

Chao Yang

Wenfei Jiang

Kai Xie

Xiaoxing Zhu

Yixin Deng

Yuehui She

Baocheng Gu

Hongyu Sun

Zhi Zhang

Jia Luo

Song Chen

Quan Gao

Xiang Ge

Pengju Liu

Hao Dong

Puyong Yao

Gaoming Yu

Wenda Zhang

Yangyang Feng

Shaojin Yi

Shanshan Sun

Linqi Hu

Anying Zheng

Dao Pan

Ming Zhou

Peng Xiao

Runxiao Zhang

Yi Shao

Xiaojun Cui

Junhai Su

Wei Zhong

Huazhang Chen

Yang Gao

Jianfeng Ma

Jiangzheng Wu

Weiwei Tao

Zhonghui Yao

Gang Hu

Jingjing Lu

Dawei Hu

Chuanqing Zhang

Fanjie Yang

Yong Zhu

Yongbing Tang

Chun Yang

Shixuan Zhang

Xindong Shi

Xingnan Wang

Qichao Zhu

Zhuo Cheng

Michael Knox

Honglin Liu

Guoping Zhang

Chunjie Cao

Weidong Yang

Jianfu Shao

Koji Suzuki

This application discloses a data processing method. A first apparatus obtains a first feature of a first data block in storage space. The first feature includes a read/write feature related to the first data block and a read feature of a second data block adjacent to the first data block. The first apparatus inputs the first feature into an access frequency prediction model, to obtain access frequency of the first data block. The access frequency of the first data block is used to determine a type of the first data block. To be specific, in embodiments of this application, future access frequency of the first data block is predicted by using a multidimensional feature of the first data block (the read/write feature of the first data block and a read feature of an adjacent data block).

Data processing method, apparatus, and system of access frequency prediction based on first block and block adjacent to the first block

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.

Sounding device

The present disclosure provides a multifunctional sounding device, which includes a lower housing, an upper housing and a sounding unit. The sounding unit includes a frame, a vibration system and a magnetic circuit system. The magnetic circuit system includes a main magnetic circuit, a first auxiliary magnetic circuit and a second auxiliary magnetic circuit. The first auxiliary magnetic circuit includes a first auxiliary magnet and a first auxiliary pole plate. The first auxiliary pole plate fixes the first auxiliary magnet to the upper housing. The multifunctional sounding device also includes a motor assembly, and the motor assembly includes a vibration unit and an elastic member. The multifunctional sounding device of the present disclosure not only simplifies the fixing method of the magnetic circuit system, but also reduces the dimensional accuracy requirements of the magnetic circuit system, meeting the needs of mass production.

Multifunctional sounding device

The present disclosure provides a multifunctional sounding device, which includes a housing body with a containment space, and a sounding unit. The housing body is provided with a sound outlet. The sounding unit includes a frame, a vibration system, and a magnetic circuit system. The multifunctional sounding device also includes a motor assembly accommodated in the containment space. The motor assembly includes a vibration unit having a driving coil. The driving coil is positioned on the side of the first auxiliary magnetic circuit away from the vibration system. The main magnetic circuit and the second auxiliary magnetic circuit are fixed to the vibration unit. The first auxiliary magnetic circuit is fixed to the housing body. Compared with related technologies, the multifunctional sounding device in the present disclosure has a small overall thickness and volume, and has excellent acoustic performance.

The present disclosure provides a multifunctional sounding device, which includes a lower housing, an upper housing and a sounding unit. The sounding unit includes a frame, a vibration system and a magnetic circuit system. The magnetic circuit system includes a main magnetic circuit, a first auxiliary magnetic circuit and a second auxiliary magnetic circuit. The first auxiliary magnetic circuit includes a first auxiliary magnet and a first auxiliary pole plate. The multifunctional sounding device also includes a motor assembly having a vibration unit and an elastic member. The main magnetic circuit, the first auxiliary magnetic circuit and the second auxiliary magnetic circuit are respectively fixed in the lower housing or the upper housing. This is not only beneficial to control the magnetic gap, but also improves production accuracy and product consistency.

A neck hanging fan is provided, which includes a bracket that can be worn on a human's neck. The bracket includes extension arms located on two sides of the human's neck, extension ends of the extension arms are provided with a wind duct. The wind duct is provided with an air channel and a fan component. One end of the wind duct away from the extension arms is provided with an air inlet, an air outlet is provided at a connection between the wind duct and the extension arms. The fan component is located between the air inlet and the air outlet, and the air inlet is provided with an air inlet mesh cover. The air inlet mesh cover is provided with a plurality of first air guide holes, the air outlet is provided with an air outlet mesh cover.

Neck hanging fan

Expandable hose

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.

Coaxial speaker

Disclosed is a method for reducing pressure and increasing injection by continuous operation system of biological acid acidification and nano coating, specifically including composition and preparation method of biological acidizing agent and nano coating agent. The method for reducing pressure and increasing injection by continuous operation system of biological acid acidification and nano coating of the present disclosure is able to effectively dredge the stratum water flow channel, reduce the water flow resistance, and achieve the effect of high-efficiency pressure reduction and injection increase of the water injection well.

Method for reducing pressure and increasing injection by continuous operation system of biological acid acidification and nano coating

The present disclosure relates to image rendering methods apparatuses, and electronic devices. One example method includes obtaining, by a central processing unit (CPU), an image command stream used to render an image frame, comparing the image command stream with a previous image command stream, and, when a same drawing command exists in the two image command streams, instructing a graphics processing unit (GPU) to render the image frame based on a previously generated drawing target.

Image rendering method and apparatus, and 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 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 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.

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.

The present invention provides a speaker box including a housing body with a containment space and a sounding unit. The housing body includes a sound aperture. The sounding unit includes a vibration system with a vibration diaphragm and a magnetic circuit system. The vibration diaphragm divides the containment space into front cavity and rear cavity. The speaker box includes a breathable separator located in the rear cavity to form a sound absorbing cavity. The lower housing includes a bottom wall and a side wall bent and extended from the bottom wall. The breathable separator includes a fixed part fixed to the upper housing, a breathable part having several air circulation holes, and a sealed part extending from the breathable part and sealing the through hole. The speaker box of the present invention effectively reduces the height of the product and reduces the cost.

Speaker box

Growing community of inventors

Shenzhen, China

Fan Zhang