Abstract: The present disclosure provides a speaker box. The speaker box includes an upper housing, a lower housing forming an accommodating space together with the upper housing, and a speaker unit accommodated in the accommodating space. The speaker unit includes a diaphragm configured to vibrate and produce sound. The diaphragm is disposed separately from the upper housing to define a front acoustic cavity. The speaker box further includes a sound channel communicating the front acoustic cavity with an external environment. The front acoustic cavity and the sound channel constitute a front cavity of the speaker box together. A baffle fixedly connected to the upper housing is disposed in the sound channel. The baffle and the upper housing define a resonant cavity in communication with the front acoustic cavity, and the resonant cavity has an inlet facing to the front acoustic cavity.

Abstract: The present invention provides a sound generator, including a magnetic circuit system having a magnet and a lower plate for carrying the magnet. The magnet includes a first surface opposite to the lower plate and a second surface opposite to the first surface. The first surface of the magnet protrudes to form a first bolt, the lower plate is provided with a lower plate jack matching with the first bolt, and the first bolt is inserted into the lower plate jack. The sound generator of the present disclosure improves the structural stability of the magnetic circuit system and is convenient for positioning.

Abstract: An antenna module including a first antenna and a second antenna close to the first antenna. The second antenna includes an isolation circuit and a second tuning switch controlling an access state of the isolation circuit. The second tuning switch includes two modes. When the second tuning switch is in a first mode, the isolation circuit accesses to a feeding network of the second antenna. When the second tuning switch is in a second mode, the isolation circuit does not access to the feeding network of the second antenna. Isolation of the first antenna and the second antenna in a preset band in the first mode is superior to that in the second mode.

Abstract: A speaker includes a holder having a receiving space, a magnetic circuit unit and a vibration unit. The vibration unit includes a diaphragm, a voice coil driving the diaphragm to vibrate, and a centering support member. The centering support member includes a connecting portion between the upper diaphragm and the voice coil, extension portions extending from two ends of the connecting portion and towards the magnetic circuit unit, and body portions each formed by extending from an tail end of each extension portion while being bent in a direction facing away from the extension portion. The connecting portion is interposed between the diaphragm and the voice coil. The extension portion is located between the magnetic circuit unit and the holder. An end the body portion is connected to the holder, and the other end is connected to the voice coil to support the voice coil.

Abstract: A speaker and a method for manufacturing the speaker are provided. The speaker includes: a vibration unit; a magnetic circuit unit; and a housing for receiving the vibration unit and the magnetic circuit unit. The vibration unit includes: a first diaphragm fixed to the housing; a voice coil arranged under the first diaphragm to drive the first diaphragm to vibrate and emit sound; and an elastic support member arranged under the voice coil, fixed to the housing and elastically supporting the voice coil. The elastic support member includes a flexible circuit board connected to the voice coil and a second diaphragm fixed under the flexible circuit board. The housing includes a holder, the elastic support member is fixed to the holder, and the flexible circuit board is attached and fixed to the second diaphragm.

Abstract: The present invention provides a speaker module, including: a housing; a speaker unit having a frame and a working pad fixed to the frame for electrically connecting the speaker unit to an external circuit; a cover engaging with the frame for forming an accommodating space for receiving the speaker unit. The cover includes a conductive part formed thereon, a conductive pin formed on one side of the cover for electrically connecting with the working pad of the speaker unit, and a conductive terminal formed on the other side of the cover for electrically connecting with the external circuit.

Abstract: A speaker includes a holder and a vibration unit and a magnetic circuit unit fixed and held at the holder. The vibration unit includes: a first diaphragm and an elastic support located at an end of the voice coil facing away from the first diaphragm and elastically supporting the voice coil. The elastic support includes a flexible circuit board and a second diaphragm fixed and held at one side of the flexible circuit board facing away from the voice coil. The flexible circuit board is sandwiched between the voice coil and the second diaphragm and includes an upper surface fixed to the voice coil and a lower surface opposite to the upper surface. The second diaphragm is fixed to the lower surface by a binder, and the lower surface is recessed towards the upper surface to form a binder accommodation groove.

Abstract: The present invention discloses a speaker having a frame, a vibrating system and a magnetic circuit system. The vibrating system has a vibrating diaphragm, a voice coil and an elastic supporting assembly. The magnetic circuit system has a main magnet, a secondary magnet and a magnetic plate having a main body and a supporting portion opposite to the elastic supporting assembly. The elastic supporting assembly has an avoiding hole penetrating there through and facing to the supporting portion. The yoke has a yoke body fixed on the frame and an extending portion extending from two opposite sides of the yoke body towards the supporting portion. The extending portion passes through the avoiding hole thereof and attach on the supporting portion. The speaker of the present invention has advantages of good reliability and excellent acoustic performance.

Abstract: The present disclosure provides a speaker, including a flexible circuit board, a holder, a diaphragm received in the holder, and a voice coil received in the holder and configured to drive the diaphragm to vibrate. The voice coil is electrically connected to the flexible circuit board, and includes an upper surface close to the diaphragm, a lower surface facing away from the diaphragm, and a side surface connecting the upper surface with the lower surface. The flexible circuit board includes a body portion supporting the voice coil. The body portion includes a bottom wall that abuts against the lower surface of the voice coil and an extension portion extending from the bottom wall while being bent towards the diaphragm. The extension portion is attached to and fixed to the side surface.

Abstract: The present disclosure provides a speaker, including a housing and a vibration unit and a magnetic circuit unit that are received in the housing. The magnetic circuit unit includes a magnetic frame, the magnetic frame comprising a bottom wall and a sidewall extending from the bottom wall while being bent towards the housing. A positioning portion protruding outwardly is provided on the sidewall of the magnetic frame, and the positioning portion abuts against the housing. The speaker of the present disclosure can achieve the positioning of the magnetic frame using the positioning portion provided on the sidewall of the magnetic frame during the assembling, and it is unnecessary to sacrifice the flanging length of the magnetic frame, so that the flanging of the magnetic frame can be maximized, thereby improving the performance of the speaker.

Abstract: The present invention provides a sound generator having a permeable isolation assembly including a permeable damper and two gums attached to the opposite ends of the permeable damper. The permeable damper can completely cover two through holes for leakage, two through holes can be covered at the same time with gums pasted only once, which effectively improves production and assembly efficiency.

Abstract: A method and a system for measuring a total sound pressure level of noise, and a computer readable storage medium are provided. The method includes: obtaining a time domain digital signal of a sound pressure signal of the noise; obtaining a frequency domain signal of the sound pressure signal according to the time domain digital signal of the sound pressure signal; obtaining a sound pressure effective value of the sound pressure signal based on the frequency domain signal and according to Parseval's theorem; and converting the sound pressure effective value into the total sound pressure level of the noise.

Abstract: The present invention provides a sound generator having a permeable isolation assembly including a permeable damper and a back gum attached to the permeable damper. The permeable damper can completely cover two through holes for leakage, two through holes can be covered at the same time with back gum pasted only once, which effectively improves production and assembly efficiency. The permeable isolation assembly includes a permeable damper and a back gum attached to one side of the permeable damper adjacent to the bottom wall. The permeable damper comprises a body part and a pair of extension parts extending from both ends of the body part respectively. The back gum includes a primary body, and a pair of branch bodies extending from two ends of the primary body and attached to the extension parts respectively.

Abstract: Provided is a speaker, including a holder, a pad fitted in the holder, and a conductive terminal. The conductive terminal comprises a fixed portion fitted into the holder, an elastic arm, and an engaging portion, an electrical connection portion. The elastic arm comprises an arc-shaped conductive portion connected to the fixed portion, and an extending portion connecting the arc-shaped conductive portion and the electrical connection portion. The arc-shaped conductive portion is spaced apart from the holder and protruding from the holder, the extending portion extends from the arc-shaped conductive portion towards the holder, and an end of the extending portion facing away from the arc-shaped conductive portion is attached to the holder. The engaging portion extends from an edge of an end of the extending portion facing away from the arc-shaped conductive portion while being bent towards the holder, and is engaged in an engaging groove of the holder.

Abstract: An antenna system is provided. The antenna system has a system grounding unit, a metal frame and a main board. The metal frame is spaced apart from the system grounding unit to form a clearance zone. The metal frame is a first radiator. The antenna system further has a second radiator, a switch, a capacitor and a main matching circuit. The second radiator is located in the clearance zone. The main board has a feeding point. The metal frame has a first connecting part and a second connecting part. An end of the capacitor is connected to the second radiator, and another end of the capacitor is connected to the main matching circuit. The second radiator is connected to the main board via the switch.

Abstract: The present invention provides a speaker, which includes a basket, a vibration system and a magnetic circuit system. The magnetic circuit system includes a magnetic frame, the magnetic frame and the basket define an accommodating space for accommodating the magnetic circuit system and the vibration system. The magnetic frame includes a magnetic frame bottom wall, a magnetic frame side wall extending from an outer side of the magnetic frame bottom wall towards the basket, and an extended portion extending from the magnetic frame side wall towards an outer side, the extended portion is provided with a plurality of protrusions formed by a semi-shearing process and protruding towards the basket, and an opening hole which is clamped and fixed with the protrusion is provided in a bottom wall of the basket. The speaker of the present disclosure has advantages of a stable structure size and suitability for accurate locating.

Abstract: The present invention provides a mobile terminal, including: a housing including an upper cover, a lower cover covering the upper cover to form an accommodating space, and a sound channel penetrating through the upper cover; and a speaker unit accommodated in the accommodating space of the housing; the speaker unit dividing the accommodating space into a front sound cavity and a rear cavity; the sound channel communicating the front sound cavity with an outside; and where in, the speaker unit is fixed on the upper cover and enclosed together with the upper cover to from the front sound cavity; the sound channel is filled with a sound absorbing material.

Abstract: The present disclosure provides a speaker box which comprises a shell, a support wall, a sound guiding channel, a surrounding wall and a cover plate. The speaker is fixed to support the support wall. The diaphragm of the speaker partitions the receiving space into a front sound cavity and a rear cavity, the sound guiding channel communicates the front sound cavity with the outside and forms a front cavity together with the front sound cavity, the shell, the surrounding wall, the support wall and the cover plate are jointly enclosed as an auxiliary acoustic cavity. The support wall is provided with at least two through-holes intervals, and the auxiliary acoustic cavity is communicated with the front cavity through the through-hole to form a resonant cavity structure of the front cavity. Compared with the related art, the high frequency acoustic performance of the speaker box of the present disclosure is excellent.

Abstract: The present disclosure provides a receiver module including a receiver and a microphone. The receiver includes a holder, a vibration unit, a magnetic circuit unit, a front cover, a cover plate, and a mounting block. The vibration unit includes a diaphragm spaced apart from the cover plate to form a front cavity. The front cover includes a front cover body portion, a front cover extension portion, and a first through-hole. The mounting block is fixed on a side of the front cover extension portion facing away from the cover plate and has a second through-hole communicating with the first through-hole. The microphone is fixed on the mounting block, and the front cavity, the first through-hole, the second through-hole and a sound inlet hole of the microphone communicates with each other. The microphone shares the front cavity with the receiver to absorb noise, thereby providing better sound effect.

Abstract: The present disclosure provides a speaker box including a shell, a speaker box, a support wall formed by the inner extension of the shell, and a sound guide channel formed in the receiving space. The speaker is fixed to the support wall. The speaker box includes a surrounding wall formed by the inner extension of the shell and a cover plate arranged on the surrounding wall. The shell, surrounding wall, support wall and cover plate are jointly enclosed as auxiliary sound cavity. The support wall is provided with a through-hole, and the auxiliary sound cavity is communicated with the front cavity through the through-hole to form the resonant cavity structure. The speaker box further includes a leakage to achieve the sound pressure balance inside and outside of the shell. Compared with the related art, the high frequency acoustic performance of the speaker box of the present disclosure is excellent.