Aac Microtech (Changzhou) Co, , Ltd.

Aac Technologies Pte. Ltd.

Aac Acoustic Technologies (Shenzhen) Co., Ltd.

Aac Microtech (Changzhou) Co., Ltd.

Zhang Ren

Zhiwei Zhong

Qi Wang

Wei Song

Ronglin Linghu

YuGuo Zhang

Fan Zhang

Yun Tang

Xin Jin

Zhichen Chen

Qiaoling Li

Suntong Zhou

Provided is a speaker device, including a first frame, a first vibration system, a magnetic circuit system, a second frame, a second vibration system, a second voice coil, and a conductive member. The magnetic circuit system includes a lower splint, a first main magnetic steel, a first sub-magnet steel, a first pole core, a second sub-magnetic steel, and an upper splint. The conductive member includes an external conductive disk, two extension wall, and two connecting walls formed by bending and extending the two extension walls and spaced apart from each other. The connecting walls are used to act as welding pads, and a positive terminal and a negative terminal of the second voice coil are electrically connected to the two connecting walls, respectively. Compared with the related art, the acoustic performance of the speaker device of the present application is superior.

Speaker device

The present application provides a speaker device and a stylus, and the speaker device includes: a first frame, a first vibration system, a magnetic circuit system, a second frame, and a second vibration system. The magnetic circuit system includes a first splint, a first magnetic steel unit, a second splint, a center splint, and a second magnetic steel unit; at least part of an edge of the first splint is provided with a first flip bent and extended in a direction close to the second splint, and/or at least part of an edge of the second splint is provided with a second flip bent and extended in a direction close to the first splint. The magnetic circuit system further includes side magnets fixed to the first splint or the second splint. The speaker device reduces the magnetic leakage and avoids the occurrence of non-linear strokes of a stylus.

Speaker device and stylus

The present invention provides a circuit, which includes a first sound signal input end, a second sound signal input end, a power amplifier, a capacitor, a low frequency sounding module and a high frequency sounding module. The present invention also provides a sounding device applying the circuit provided by the present invention. Compared with the related art, the present invention provides a sounding device with simplified structure and wide application.

Single power amplifier circuit realizes high and low frequency division of a speaker and anti-phase muffling of a receiver, and sounding device incorporating same

The present application provides an anti-shake mechanism and a camera module, and the anti-shake mechanism includes an anti-shake circuit board and a flexible sheet arranged on the outside of the anti-shake circuit board. The anti-shake circuit board and the flexible sheet are partially overlapped, and the flexible sheet has an asymmetric structure. The flexible sheet includes a first main body and a first folded edge, and the anti-shake circuit board includes a second main body, a second folded edge, and an electrical connection portion. The second folded edge is provided in correspondence with a part of the first folded edge, a stiffness compensation structure is provided, and a connecting region between the first folded edge and the second folded edge is at least partially adherent. The anti-shake mechanism optimizes the structures, improves the overall structural stability, reduces the production cost, and improves the optical anti-shake performance.

Anti-shake mechanism and camera module

A sound-generating device, including a bass cone frame, a bass vibration system, a bass magnetic circuit system, a treble cone frame, a treble vibration system, a treble magnetic circuit system and a conductive component. The treble vibration system includes a treble diaphragm and a treble voice coil. The bass magnetic circuit system includes a bass bottom plate and a first bass primary magnet. The treble magnetic circuit system includes a pole core, a first ring magnet and a second ring magnet both in a ring shape. The pole core includes a pole core body and a pole core wall. The first ring magnet is stackedly fixed to a side of the first bass primary magnet away from the bass bottom plate, and is located at an inner side of the pole core wall. The first ring magnet surrounds the conductive component, and is spaced from the conductive component.

Sound-generating device

The present application provides a speaker device, including: a magnetic circuit system including a lower splint; a first main magnetic steel provided with two second through-holes; a sub-magnetic steel spaced apart from the first main magnetic steel to form a first magnetic gap; a pole core, including a pole core body, a pole core wall, a pole core plate and two third through-holes through the pole core plate; a second main magnetic, spaced from the pole core wall to form a second magnetic gap; an upper splint; a second frame; and both ends of the conductive member are fixed to the top of the pole core plate after passing through the first through-hole, the two second through-holes, and the two third through-holes, and electrically connected to the second voice coil. Compared with the related art, the acoustic performance of the speaker device of the present application is superior.

A coaxial speaker includes a magnetic circuit system, a first sound production unit, and a second sound production unit. The first sound production unit and the second sound production unit are coaxially disposed. The first sound production unit surrounds the second sound production unit. The first sound production unit includes a first vibrating diaphragm and a first voice coil. The first voice coil is configured to drive the first vibrating diaphragm to vibrate and produce sound. The second sound production unit includes a second vibrating diaphragm and a second voice coil. The second voice coil is configured to drive the second vibrating diaphragm to vibrate and produce sound. The coaxial speaker ensures concentricity of the first vibrating diaphragm and the second vibrating diaphragm, reduces a height of related products, and reduces cost of the magnetic circuit system.

Coaxial speaker

An earphone core includes a frame, a vibration system, and a magnetic circuit system. The vibration system includes a vibrating diaphragm and a voice coil. The magnetic circuit system includes an inner magnetic gap and an outer magnetic gap. The vibrating diaphragm includes a first vibrating diaphragm and a second vibrating diaphragm. An outer periphery of the first vibrating diaphragm and an inner periphery of the second vibrating diaphragm are both fixed to the magnetic circuit system. The outer periphery of the second vibrating diaphragm is fixed to the frame. The voice coil includes a first voice coil and a second voice coil. The earphone core further includes a front cover. The front cover is fixed to the frame. The present disclosure further provides earphones. The earphone core and an earphone including the earphone core well broaden a frequency band.

Earphone core and earphone

The present application provides a speaker device including a casing and a sounding driver. The casing has an accommodating space and a sound-conducting channel, and the sounding driver is accommodated in the accommodating space. The sounding driver comprises a first frame, a first vibration system, a magnetic circuit system, a second frame, a second vibration system, and a conductive insert. An end of the second frame separates the front sound cavity into a first front sound cavity and a second front sound cavity. The sound-conducting channel is connected to the first front sound cavity; the second frame is provided with a first notch and a second notch. The first and the second notches are connected the second front sound cavity to the first front sound cavity. Compared with the related art, the speaker device of the present application has better acoustic performance and drainage performance.

The present disclosure discloses a coaxial earphone core including a magnet system, which includes a first yoke, a first magnet, a second magnet surrounding the first magnet to form a first magnetic gap, a second yoke fixed to the first magnet, and an annular third magnet fixed to the second yoke; the second yoke includes an extending wall bending and extending into the third magnet; the extending wall is spaced apart from the third magnet to form a second magnetic gap; the first coil and the second coil are inserted into the first magnetic gap and second magnetic gap, respectively; the first sound unit surrounds the second sound unit, the second diaphragm is located on one side of the first diaphragm facing the magnet system. The coaxial earphone core has better sound quality.

Coaxial earphone core

The present invention provides a coaxial speaker including a frame, a magnetic circuit system, a first vibration system and a second vibration system fixed on different sides of the magnetic circuit system. The first vibration system locates communicated with the second vibration system. The first vibration system includes a first diaphragm and a first voice coil. The second vibration system includes a second diaphragm and a second voice coil. The magnetic circuit system includes a first magnetic gap and a second magnetic gap. The first voice coil partially locates into the first magnetic gap, the second voice coil partially locates into the second magnetic gap. The first diaphragm is used for generating bass sound, the second diaphragm is used for generating treble sound. A sound hole is provided on the first diaphragm for emitting the treble sound. Bass sound and treble sound form a full-range speaker, which providing high-quality sound.

The present disclosure provides a sounding device having a first frame; a first vibration system including a first diaphragm and a first voice coil; and a magnetic circuit system with a first magnetic gap and a second magnetic gap. The sounding device further includes a second vibration system having a second diaphragm and a second voice coil, and a conductive insertion member. The total bending length of both ends of the voice coil wire can be controlled by adjusting the winding process of the second voice coil, so that the purpose of adjusting the amplitude of the second vibration system is achieved for facilitating the adjustment of the amplitude of the second vibration system.

Sounding device

Provided is a speaker device, including a first frame, a first vibration system, a magnetic circuit system, a second frame, a second vibration system, a second voice coil, and a conductive member electrically connected to the second voice coil. The magnetic circuit system includes a lower splint, a first main magnetic steel, a first sub-magnetic steel, a pole core, a second main magnetic steel, and a second sub-magnetic steel. A magnetization direction of the first sub-magnetic steel is the same as that of the second sub-magnetic steel, a magnetization direction of the first main magnetic steel is the same as that of the second main magnetic steel, and the magnetization direction of the second main magnetic steel is opposite to that of the second sub-magnetic steel. Compared with the related art, the speaker device of the present invention has good acoustic performance.

A coaxial speaker box includes a housing, a speaker, and a sound guide channel for guiding sound outside. The speaker includes a frame, a magnetic circuit system, a first vibration system, and a second vibration system. The first vibration system is disposed in the frame. The second vibration system is disposed on an outer side of the frame. A front cavity is formed among the first vibration system, the second vibration system, and the housing. The first vibration system includes a first vibrating diaphragm and a first voice coil. A coaxial full-band speaker is formed by the bass and the high pitch of the coaxial speaker box to provide high-quality sound effects. The high pitch and the bass share a side sound guide channel, and form a front cavity resonance in a bass channel to improve high-frequency sound effects.

Coaxial speaker box

A sound device includes a frame, a vibration system, and a magnetic circuit system. The vibration system is supported on the frame. The magnetic circuit system has magnetic gaps. The vibration system includes a vibrating diaphragm, a voice coil, and a framework. The voice coil is inserted into the magnetic gaps to drive the vibrating diaphragm to vibrate and produce sound. The framework is configured to connect the vibrating diaphragm and the voice coil. The vibrating diaphragm includes an annular dome portion, an annular first folding ring portion, and an annular second folding ring portion. The dome portion is connected to the first folding ring portion and the second folding ring portion. The framework includes a framework flat plate wall and framework glue containing portions. Compared with related art, the sound device is wider in frequency band and better in high-frequency performance.

Growing community of inventors

Shenzhen, China

Zhang Ren