Abstract: A system for one-touch split-mode conference access includes a server that transmits a first message associated with a conference with a client. A VOIP device displays a notification based on the first message. The VOIP device transmits a second message to transfer an audio component of the conference to the VOIP device. The audio component of the conference is continued on the VOIP device and the video component of the conference is retained on the client.

Abstract: A gas extraction device for metal mineral inclusions and a gas extraction method therefor are provided, the device includes a base plate, an annular carrier, sealing covers, a grinding assembly, a vacuum assembly, a gas-gathering assembly and a mass spectrometer. The annular carrier is disposed on the base plate, multiple grinding chambers are defined and evenly distributed in a circular shape on the annular carrier, the sealing covers are disposed at openings of the grinding chambers, the grinding assembly includes grinding hammers, and the grinding hammers penetrate through the sealing covers and extend into the grinding chambers. Side walls of each grinding chamber defines a first through hole and a second through hole. The vacuum assembly is communicated with the grinding chambers through the first through holes. The gas-gathering assembly is communicated with the grinding chambers through the second through holes. The mass spectrometer is communicated with the gas-gathering assembly.

Abstract: 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.

Abstract: Disclosed is a coaxial speaker, including a magnetic circuit system, and two sounding units respectively arranged on the upper and lower sides of the magnetic circuit system. The magnetic circuit system includes a bottom plate, a first magnetic unit including a first magnet and a first yoke, and a second magnetic unit including a second magnet, a second yoke, a third magnet, and a fourth magnet. The second yoke includes an annular plate sandwiched between the second and third magnets, and a hollow protrusion extending to a first through hole of the bottom plate. The third magnet covers a second through hole of the annular plate. The fourth magnet is fixed to the third magnet and contained inside the hollow protrusion. The coaxial speaker is simple and compact in structure, reduces the cost, and can also be used as a receiver with a reverse phase silencer.

Abstract: The present invention provides a coaxial speaker including a frame, a magnetic circuit system, a first vibration system, a second vibration system around the first vibration system, a first circuit board, an inserting member, and a first terminal. The first vibration system locates coaxially with the second vibration system. The first vibration system includes a first diaphragm and a first voice coil. The magnetic circuit system includes a first magnetic gap and a second magnetic gap. The first circuit board is a flat shape and electrically connected to the first voice coil. The first circuit board abuts against a surface of the first voice coil away from the first diaphragm. The arrangement of the first circuit board can increase the amplitude of the first voice coil, and the coaxial speaker can also realize the function of a receiver.

Abstract: Disclosed is a coaxial speaker, including a magnetic circuit system, and two sounding units respectively arranged on the upper and lower sides of the magnetic circuit system. The magnetic circuit system includes a bottom plate, a first magnetic unit including a first magnet and a first yoke, and a second magnetic unit including a second magnet, a second yoke, and a third magnet. The second yoke includes an annular plate sandwiched between the second and third magnets, and an extension wall extending to a first through hole of the bottom plate. The third magnet covers a second through hole of the annular plate. The coaxial speaker is simple and compact in structure, reduces the cost, and can also be used as a receiver with a reverse phase silencer.

Abstract: The present invention provides a coaxial speaker including a supporting ring, a magnetic circuit system, a first vibration system, and a second vibration system. The second vibration system locates coaxially with the first 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 first diaphragm is used for generating treble sound, the second diaphragm is used for generating bass sound. The supporting ring includes a first end portion, a second end portion, and a connecting portion. A projection of the first diaphragm is partially overlapped with a projection of the second diaphragm along a vibrating direction of the coaxial speaker. The treble diaphragm design uses a Z-axis direction vibration space of the bass diaphragm to increase the vibration area to improve the performance.

Abstract: A vibration sounding device includes a housing, a sounding unit, and a motor vibration system. The motor vibration system includes a vibration unit and elastic components, and the vibration unit includes coils. The sounding unit includes a frame, a vibration system, a magnetic circuit system, and a front cover. The vibration system includes a first vibration system and a second vibration system. The first vibration system surrounds the second vibration system and is coaxially disposed with the second vibration system. The first vibration system includes a first vibrating diaphragm and a first voice coil. The second vibration system includes a second vibrating diaphragm and a second voice coil. The magnetic circuit system is fixed to the housing. The magnetic circuit system includes a first magnetic gap and a second magnetic gap. The vibration sounding device is small in overall thickness and in size, and excellent in acoustic performance.

Abstract: Disclosed is an electronic device with a sounding function, including a shell structural member and a speaker. The speaker includes a first sounding unit used to emit low-frequency sounds and a second sounding unit used to emit high-frequency sounds that are coaxially arranged. The first sounding unit surrounds the second sounding unit. The shell structural member is provided with a first channel for transmitting the low-frequency sounds, a second channel separated from the first channel for transmitting the high-frequency sounds, and a common channel for communicating both the first and second channels with the outside of the electronic device. The second channel includes a front cavity of the second sounding unit and a connecting channel for communicating the front cavity with the common channel. The connecting channel is in a horn shape. The effect of the high-frequency sounds of the electronic device with a sounding function is improved.

Abstract: 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.

Abstract: Disclosed is a coaxial speaker, including a magnetic circuit system, a first sounding unit, a second sounding unit around the first sounding unit, a flexible printed circuit board electrically connected to the first sounding unit, an insert inserted in the magnetic circuit system for supporting the flexible printed circuit board, and a conductive terminal embedded in the insert for electrically connecting the flexible printed circuit board to an external circuit. The flexible printed circuit board has a first fixing part connected to the insert, a second fixing part connected to the first sounding unit, and a resilient arm connected between the two fixing parts and including two arms respectively extending in two different directions. The coaxial speaker has a high sound quality and a receiver function.

Abstract: The present invention provides an electronic device with a function of sound including a housing assembly and a coaxial speaker. The coaxial speaker includes a frame, a magnetic circuit system, a first and a 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 first diaphragm generates treble sound. The second diaphragm generates bass sound. The electronic device further includes a sound guiding channel including a first channel leading out the treble sound and a second channel communicating with the first channel. The second channel combines the treble sound from the first channel with the bass sound generated by the second diaphragm and outputs them to the outside of the housing assembly. The electronic device with a function of sound of the present enhances the effect of the treble sound.

Abstract: The present invention provides a coaxial speaker including a frame, a magnetic circuit system, a first vibration system, and a second vibration system. The second vibration system locates coaxially with the first 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 magnetic guiding plate, a first magnet, a second magnet forming a first magnetic gap with the first magnet, a third magnet, and a forth magnet. The forth magnet, the magnetic guiding plate, and the second magnet stack in sequence and form a second magnetic gap with the third magnet. The coaxial speaker has a common magnetic circuit system for sounding on the front and back sides, which can not only form a full-range speaker, but also can function as a receiver.

Abstract: The present invention provides a sounding device. The sounding device includes a frame, a first vibration system having a first diaphragm and a first voice coil, a second vibration system, a magnetic circuit system with a first magnetic gap and a second magnetic gap, and an inner sounding cavity, a support ring, and an insertion member. Airflow generated by the vibration of the first diaphragm pushes the second diaphragm through the support ring. Compared with the related art, the sounding device of the present invention is convenient to improve the low frequency performance and has a better user experience effect.

Abstract: The present invention provides a coaxial speaker including a support ring, a magnetic circuit system, a first vibration system and a second vibration system fixed on both side of the support ring and arranged coaxially. 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 diaphragm is used for generating treble sound, the second diaphragm is used for generating bass sound. The second vibration system includes a support voice coil sandwiched between the second diaphragm and second voice coil. Bass sound and treble sound of the coaxial speaker form a full-range speaker, providing high-quality sound. The support voice coil can flexibly adjust the height and the position of the second voice coil according to requirements.

Abstract: 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.

Abstract: The present invention provides an acoustic device including a frame, a magnetic circuit system and a vibration system. The magnetic circuit system includes a lower plate and a magnet assembly having a magnetic gap. The vibration system includes a diaphragm and a voice coil at least partially located in the magnetic gap. The frame includes a lower cover and a frame side wall. The vibration system is supported on the frame side wall. The lower plate includes a plate body spaced apart from the lower cover and a support wall bending and extending from the plate body toward the lower cover. The magnet assembly is supported and fixed on a surface of the plate body distal to the lower cover. The support wall abuts against and is fixed on the lower cover.

Abstract: Provided is a speaker box, including housing and sounding unit having diaphragm including vibration portion and suspension portion. The housing includes holder, lower and upper covers. The holder includes holder body, holder extension portion and holder fixing portion. The sounding unit is fixed to the holder fixing portion. Orthographic projection of the vibration portion completely falls into the holder body. The suspension portion is arc-shaped formed by recessing away from the holder body. The lower cover includes lower cover plate and lower cover sidewall. The sounding unit, the holder and the lower cover sidewall define front sound cavity. The sounding unit and the lower cover define rear sound cavity. The lower cover sidewall, the holder fixing portion, the holder extension portion and the upper cover define auxiliary rear sound cavity communicated with the rear sound cavity. The speaker box has large cavity volume and good acoustic performance.

Abstract: Provided is a speaker, including a frame; a vibration unit fixed to the frame; and a magnetic circuit unit driving the vibration unit to vibrate and produce sound and provided with a magnetic gap. The vibration unit includes a diaphragm, a voice coil, and an elastic support assembly; the diaphragm includes a diaphragm body, a diaphragm fixing portion, a diaphragm supporting portion, and a reinforcing portion; the diaphragm fixing portion has a rectangular structure with round corners, and the diaphragm supporting portion is located at the round corners; the frame is provided with an assembly hole; the vibration unit further includes a fixing ring; and the elastic support assembly includes an elastic member and an auxiliary diaphragm. With this structure, the overall strength and reliability of the speaker are improved.

Abstract: The present disclosure discloses a sounding device including a frame, a vibration system, a magnetic circuit system, and an air-permeable mesh in a ring shape. The vibration system includes a diaphragm and a voice coil. The magnetic circuit system includes a yoke, a first magnet, and a second magnet in a ring shape around and spaced apart from the first magnet for forming a magnetic gap. One end of the air-permeable mesh is fixed to the second magnet, and another end of the air-permeable mesh is fixed to the frame. A rear cavity is formed jointly by the frame, the yoke, the second magnet and the air-permeable mesh. Compared with the related art, the sounding device disclosed by the present disclosure has a better low-frequency acoustic performance.