A micro-speaker includes a frame body, a diaphragm on the frame body, a magnetic structure and a voice coil in the frame body. An upper end of the voice coil is fixed to the diaphragm. The magnetic structure is arranged under the voice coil. A voice coil balancing system is provided in the frame body, which is composed of two symmetrically arranged dampers, which are respectively arranged under two ends of a long axis of the voice coil and fixed with glue. Each of the dampers is made of a flexible circuit board, including a first end, a second end and a cantilever connecting the first end and the second end. A ratio of a length L of the cantilever to a distribution distance D of the cantilever is between 2-15.

Disclosed in embodiments of the present disclosure are a diaphragm assembly, a loudspeaker module and an electronic device, the diaphragm assembly including a diaphragm body and an intermediate patch plate, wherein the diaphragm body includes a first diaphragm body and a second diaphragm body; the first diaphragm body is provided with a first hole; the intermediate patch plate includes a first intermediate patch plate; the second diaphragm body at least partially cover the first hole; the first intermediate patch plate is respectively connected to the first diaphragm body and the second diaphragm body; the first intermediate patch plate is configured to have an enclosed structure, or the intermediate patch plate includes a second intermediate patch plate connected to the second diaphragm body, such that the mid-high frequency curves of the loudspeaker module are smoother, thereby effectively improving the mid-high frequency tone quality.

Disclosed are a sound-producing device and an electronic terminal. The sound-producing device comprises: a voice coil, the voice coil including a bobbin and a voice coil body wound outside the bobbin; the voice coil body is configured to be able to be input an electrical signal; a conductive member, the conductive member including a first connecting part connected with the voice coil, a second connecting part fixed to the sound-producing device, and an elastic part connected between the first connecting part and the second connecting part; the elastic part is in a planar structure, and is at least located in the same plane as the first connecting part; the conductive member is configured to input an electrical signal to the voice coil.

The present disclosure discloses a conductive film for a sound generation device and the sound generation device, the conductive film comprises a conductive layer and base material layers provided at two sides thereof, conductive layer comprises a first conductive layer on an inner side portion, a second conductive layer on a deformation portion and a third conductive layer on an outer side portion, two ends of the second conductive layer are respectively electrically connected to the first and third conductive layers, the first, second and third conductive layers are connected to form at least one conductive path, each of the first and third conductive layers is made of a metal sheet, Young's modulus of the second conductive layer is smaller than the metal sheet. The conductive film has conductivity, it can be used as a sound generation diaphragm and a supporting diaphragm.

A sensor includes a membrane electrode, a counter-electrode, and at least one spring. The sensor can include a structure; a membrane electrode, which is deformable as a consequence of pressure and which is in contact with the structure; a counter-electrode mechanically connected to the structure and separated from the membrane electrode by a gap; and at least one spring mechanically connected to the membrane electrode and the counter-electrode, so as to exert an elastic force between the membrane electrode and the counter-electrode.

A sensor includes a membrane electrode, a counter-electrode, and at least one spring. The sensor can include a structure; a membrane electrode, which is deformable as a consequence of pressure and which is in contact with the structure; a counter-electrode mechanically connected to the structure and separated from the membrane electrode by a gap; and at least one spring mechanically connected to the membrane electrode and the counter-electrode, so as to exert an elastic force between the membrane electrode and the counter-electrode.

A multi-input-driving loudspeaker, including: a frame; a cone arranged on the frame; a main input-driving mechanism; and a plurality of secondary input-driving mechanisms; wherein the main input-driving mechanism is arranged between the plurality of secondary input-driving mechanisms; the main input-driving mechanism includes a main voice coil, a T-yoke, and a front panel and a first magnetic steel sleeved on the T-yoke, a main voice coil mounting hole is provided in the middle of the cone, an upper end portion of the main voice coil is connected to the main voice coil mounting hole; each of the secondary input-driving mechanisms includes a secondary voice coil and a secondary magnetic circuit assembly formed with a secondary magnetic gap, a plurality of secondary voice coil mounting holes are correspondingly provided on the cone, an upper end portion of each secondary voice coil is connected to a corresponding secondary voice coil mounting hole.

A multi-input-driving loudspeaker, including: a frame; a cone arranged on the frame; a main input-driving mechanism; and a plurality of secondary input-driving mechanisms; wherein the main input-driving mechanism is arranged between the plurality of secondary input-driving mechanisms; the main input-driving mechanism includes a main voice coil, a T-yoke, and a front panel and a first magnetic steel sleeved on the T-yoke, a main voice coil mounting hole is provided in the middle of the cone, an upper end portion of the main voice coil is connected to the main voice coil mounting hole; each of the secondary input-driving mechanisms includes a secondary voice coil and a secondary magnetic circuit assembly formed with a secondary magnetic gap, a plurality of secondary voice coil mounting holes are correspondingly provided on the cone, an upper end portion of each secondary voice coil is connected to a corresponding secondary voice coil mounting hole.

A passive sounding device integrated into a flat panel display includes a glass diaphragm having a first surface for forming a light-emitting array of the flat-panel display thereon, a suspension edge, and a frame, wherein the glass diaphragm is tightly sealed with the frame through the suspension edge to form an airtight space in the frame, and the glass diaphragm vibrates and emits sound in response to the pressure of the sound waves generated by an active sounding device.

Provided is a sounding device, including frame and vibration system and magnetic circuit unit fixed to the frame. The vibration system includes diaphragm, voice coil driving the diaphragm to vibrate and sound, holder fixed to diaphragm, and auxiliary diaphragm spaced from diaphragm. The holder includes holder main body, first connection portion formed from holder main body to magnetic circuit unit and second connection portion spaced from first connection portion. The voice coil is fixed to second connection portion. One end of the auxiliary diaphragm is fixed to frame. One end of first connection portion away from holder main body bends and extends away from second connection portion to form flange. One end of auxiliary diaphragm away from frame is fixed to flange. The sounding device may reduce accuracy deviation and hidden dangers of gluing failure caused by rear assembling of the auxiliary diaphragm.