Abstract: An adhering portion of an electroacoustic sound generator provided by the present disclosure, for engaging a front cover and a diaphragm, includes a thickened layer for coupling with the diaphragm, which effectively avoid the glue from overflowing. The hardness of the front cover is 150˜200 HV, which makes it easier to manufacture the thickened layer.

Abstract: The present disclosure discloses a speaker, including a frame, a front cover forming an accommodating space with the frame and a vibration system and a magnetic circuit system which are accommodated in the accommodating space and are respectively fixed to the frame, where the magnetic circuit system includes a magnetic bowl fixed to the frame and a magnet fixed in the magnetic bowl, the magnetic bowl includes a first component forming a framework and a second component embedded into the first component, and the magnetic permeability of the second component is greater than that of the first component. The speaker of the present disclosure can improve the permeability performance of the magnetic circuit system.

Abstract: The present disclosure provides a speaker, which includes a frame having receiving space, a magnetic circuit system and a vibration system received in the receiving space. The vibration system includes a diaphragm and a voice coil, the magnetic circuit system includes a lower plate fixed to the frame, a primary magnet fixed on the lower plate, two secondary magnets disposed on both sides of the primary magnet, and an upper plate disposed on the secondary magnet, the upper plate includes a first surface facing towards the diaphragm, a second surface distal from the diaphragm, a fixing groove recessed from the second surface towards the first surface and a fixing hole. The fixing groove includes a bottom surface distal from the second surface. The fixing hole extends from the bottom surface to the first surface. The frame being injection-molded is filled in the fixing groove and the fixing hole.

Abstract: A speaker is provided. The speaker includes: a vibration unit; a magnetic circuit unit configured to drive the vibration unit to vibrate and emit sound, and a frame for fixing the magnetic circuit unit. The magnetic circuit unit includes a magnetic frame and a magnet received in the magnetic frame. The magnetic frame comprises a bottom wall connected to the magnet, a side wall formed by extending from the bottom wall while being bent towards the vibration unit, and a positioning boss formed by extending from an outer side of the side wall towards the frame. The positioning boss is positioned to abut against a surface of the frame facing away from the vibration unit. Compared with the related art, the speaker is more convenient in assembling.

Abstract: A speaker is provided. The speaker includes: an electrical connector and a voice coil. The electrical connector includes an elastic arm spaced apart from the voice coil and joint portions extending from two opposite sides of the elastic arm while being bent towards the voice coil. The joint portions are supported at a side of the voice coil facing away from the diaphragm. Each of the joint portions is provided with a binder portion configured to fix the voice coil to the joint portion. The voice coil includes an outer side surface close to the elastic arm and an inner side surface opposite to the outer side surface. The binder portion is provided at two sides of the voice coil and is bonded with the inner side surface and the outer side surface.

Abstract: Provided is a speaker including: a holder having a receiving space; a vibration unit received in the receiving space; and a magnetic circuit unit received in the receiving space and configured to drive the vibration unit to vibrate and sound, the magnetic circuit unit comprising a magnetic frame and a magnet received in the magnetic frame. The magnetic frame includes: a bottom wall connected to the magnet; a sidewall formed by extending from the bottom wall while being bent the vibration unit; and a leakage hole penetrating through the magnetic frame. The leakage hole is provided at a position where the bottom wall and the sidewall are connected and is in communication with the receiving space, and the leakage hole comprises a first portion penetrating through the bottom wall and a second portion penetrating through the sidewall, the first portion and the second portion being in communication with each other.

Abstract: The present disclosure provides a speaker, including a holder, a vibration unit, a magnetic circuit unit, and an electrical connection member. The vibration unit includes a diaphragm and a voice coil located at one side of the diaphragm and driving the diaphragm to vibrate and emit sound. The electrical connection member is electrically connected to the voice coil and elastically supporting the voice coil. The electrical connection member includes a support portion supporting an end of the voice coil facing away from the diaphragm, an elastic arm arranged spaced apart from the support portion, and opposite ends of the elastic arm along a side of the voice coil respectively a joint extending from the support portion. The voice coil is sandwiched and fixed between the first extension arm and the second extension arm.

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: The present disclosure provides a speaker, including a holder, a magnetic circuit unit, a vibration unit, and an electrical connection member. The vibration unit includes a diaphragm and a voice coil. The electrical connection member is electrically connected to the voice coil. The magnetic circuit unit includes a yoke. A pad fixed to the holder is formed at an end of the electrical connection member facing away from the voice coil. The yoke includes a bottom plate exposed out of the holder, and a recess is formed at a side of the bottom plate facing away from the diaphragm. The speaker further includes a printed circuit board connected to the pad. The printed circuit board electrically connects the electrical connection member with an external circuit, and the printed circuit board is received in the recess and extends to the pad.

Abstract: Provided is a speaker, including a holder, a vibration unit and a magnetic circuit unit fixedly held at the holder, and a bayonet portion penetrating through the holder. The vibration unit includes a diaphragm, a voice coil located at a side of the diaphragm and driving the diaphragm to vibrate and emit sound, and a flexible printed circuit board located at a side of the voice coil facing away from the diaphragm and connected to the voice coil. The flexible printed circuit board includes a body portion supporting the voice coil, an extension portion extending from body portion towards bayonet portion and passing through the bayonet portion, and a connecting portion bent and extending from a distal end of the extension portion along an outer side of the holder. The connecting portion is fitted to outer side of holder and used for electrical connection with an external circuit.

Abstract: A speaker is provided. The speaker includes: an electrical connector and a voice coil. The electrical connector includes an elastic arm and a connection portion. The voice coil includes an outer side surface close to the elastic arm and an inner side surface opposite to the outer side surface, each of the joint portions includes a body portion supported at a side of the voice coil facing away from the diaphragm, a first extension portion formed by extending from the body portion and being opposite to the inner side surface, and a second extension portion formed by extending from the body portion and being opposite to the outer side surface, the first extension portion and the second extension portion are spaced apart to form a receiving groove, and the voice coil is sandwiched and fixed in the receiving groove.

Abstract: The present disclosure provides a speaker, including a vibration unit, a magnetic circuit unit for driving the vibration unit to vibrate and emit sound, and a holder for fixing the magnetic circuit unit. The magnetic circuit unit includes a magnetic frame fixed in the holder and a magnet received in the magnetic frame. the magnetic frame includes a bottom wall connected to the magnet, a sidewall extending from the bottom wall while being bent towards the vibration unit, a positioning boss that is formed by die molding from the sidewall, protrudes out of the sidewall and is close to the holder, and a recess formed by recessing from a surface of the sidewall facing the magnet in a direction facing away from the magnet. The recess corresponds to the positioning boss. A size of the recess gradually decreases along a direction facing away from the magnet.

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 relates to a spring sheet, an electroacoustic device and an electronic device. The spring sheet, for an electroacoustic device including a holder and a magnetic unit accommodated in the holder, includes: a main body, the main body comprising a magnetic unit fixing portion and a holder fixing portion; wherein the magnetic unit fixing portion is configured to be fixedly connected with the magnetic unit, the holder fixing portion is configured to be fixedly connected with the holder, and the main body is shaped in a non-circular enclosed ring structure. By such configuration, the spring sheet can be applied in a non-circular three-in-one product, and stress of the spring sheet can be effectively dispersed, which can fundamentally solve the problem that the arm of force of the spring sheet deforms and lose efficacy when the product falls off, thereby extending service life of the spring sheet.

Abstract: The present disclosure discloses a speaker, including a frame, a front cover forming an accommodating space with the frame and a vibration system and a magnetic circuit system which are accommodated in the accommodating space and are respectively fixed to the frame, where the magnetic circuit system includes a magnetic bowl fixed to the frame and a magnet fixed in the magnetic bowl, the magnetic bowl includes a first component forming a framework and a second component embedded into the first component, and the magnetic permeability of the second component is greater than that of the first component. The speaker of the present disclosure can improve the permeability performance of the magnetic circuit system.

Abstract: The present disclosure relates to a spring sheet, an electroacoustic device and an electronic device. The spring sheet, for an electroacoustic device including a holder and a magnetic unit accommodated in the holder, includes: a main body, the main body comprising a magnetic unit fixing portion and a holder fixing portion; wherein the magnetic unit fixing portion is configured to be fixedly connected with the magnetic unit, the holder fixing portion is configured to be fixedly connected with the holder, and the main body is shaped in a non-circular enclosed ring structure. By such configuration, the spring sheet can be applied in a non-circular three-in-one product, and stress of the spring sheet can be effectively dispersed, which can fundamentally solve the problem that the arm of force of the spring sheet deforms and lose efficacy when the product falls off, thereby extending service life of the spring sheet.

Abstract: A multifunctional speaker includes a frame with an accommodation space; a magnetic circuit system suspended in the accommodation space by the spring plate; a spring plate connected with the frame, one end of the spring plate being fixed at the frame, the other end of the spring plate being fixed at the side wall; and a annular rear cover attached to an end of the frame. The magnetic circuit system includes a magnetic bowl and a magnetic body supported by the magnetic bowl. The magnetic bowl includes a baseplate fixedly connected with the magnetic body and a side wall formed by bending from an edge of the baseplate. A gap is formed between the periphery of the baseplate and the annular rear cover, and the gap has a width between 0.05 and 0.20 mm.

Abstract: An electromagnetic transducer is disclosed in the present invention. The electromagnetic transducer includes a frame comprising a receiving space, an upper surface and a lower surface opposite to the upper surface; a suspension including a suspending ring facing the receiving space and at least one pair of elastic arms with projections thereof disposed in an outline of the frame, wherein each of the elastic arms includes a fixing portion mounted on the lower surface and an vibration portion connected with the fixing portion, spaced from the lower surface and providing an vibration approaching and away from the lower surface; a magnetic circuit unit surrounded by the suspending ring for being elastically supported by the suspending ring in the receiving space; and an vibration unit assembled with the frame and facing the magnetic circuit unit.

Abstract: A speaker is provided in the present disclosure. The speaker includes a holder, a magnetic system received in the holder, a vibration system having a membrane and a voice coil for driving the membrane to vibrate, and an elastic member for suspending the magnetic system in the holder and enabling the magnetic system to vibrate along a vibration direction of the membrane. The elastic member includes a supporting part for supporting the magnetic system, a plurality of elastic arms extending from the supporting part, and a plurality of fixing parts fixed to the holder. Each of the elastic arms extends in a plane perpendicular to the vibration direction of the membrane in a wavy manner.

Abstract: An electromagnetic transducer is disclosed in the present invention. The electromagnetic transducer includes a frame including a receiving space; an assistant member made of metal material and embedded in the frame; a magnetic circuit unit having a magnetic gap and received in the receiving space; a diaphragm facing the magnetic circuit unit and mounted on the frame and a voice coil partially received in the magnetic gap for driving the diaphragm to vibrate and generate sound.