58results about "Loudspeaker diaphragm shape" patented technology

The present disclosure provides an open earphone comprising: a sound production component including a transducer and a housing accommodating the transducer and an ear hook. In a wearing state, a portion of the ear hook is hung between an auricle and a user's head, and the other portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal. The housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by the transducer out of the housing and to the ear canal, and a ratio of an area of the sound outlet to an area of the inner side surface is between 0.015 and 0.25.

In an embodiment a MEMS structure includes a back-plate structure, a support structure having a cavity, a membrane structure between the back-plate structure and the support structure, a first clamping structure having a first structured oxide layer between the support structure and the membrane structure, wherein an inner edge of the first clamping structure is laterally offset from an edge of the cavity, and wherein an offset of the first clamping structure forms a gap between the support structure and the membrane structure, and a second clamping structure having a second structured oxide layer and a first structured taper layer between the back-plate structure and the membrane structure, wherein the second structured oxide layer is arranged between the back-plate structure and the first structured taper layer, wherein an inner edge of the second structured oxide layer laterally extends over the cavity, and wherein the first structured taper layer is arranged between the second structured oxide layer.

A system including: a first damper attached to a support frame; a drive component penetrates the support frame and the first damper; a diaphragm holder having a first frame part, a framework unit, and a fixing part connected to the first frame part by the framework unit; the diaphragm holder connected to the first damper; the fixing part is connected to one end of the drive component; a diaphragm assembly having a diaphragm unit and an annular diaphragm; a phase ball assembly attached to the side of the annular diaphragm closer to the diaphragm holder; a second damper sleeved on the outside of the diaphragm holder, the diaphragm assembly. the phase ball assembly, and the first damper: the side in the second damper facing the diaphragm holder is connected to the diaphragm holder and the side in the second damper facing the support frame is connected to the support frame.

Provided in the present invention is a diaphragm array. The diaphragm array comprises a plurality of diaphragm bodies arranged side by side, wherein a magnet is provided in a gap between every two adjacent diaphragm bodies, every two adjacent diaphragm bodies are connected in series, a plurality of magnets are arranged in parallel, and the plurality of diaphragm bodies are arranged in the same plane or are arranged in an arc-shaped path. In the present invention, the plurality of diaphragm bodies arranged side by side are used to form the diaphragm array, so that the area of diaphragms is increased; and when the diaphragm array of the present invention is applied to a full-range earphone, using the diaphragm array can make sound heard around the ear, so that the sound is more authentic.

A high-acoustic-resistance piston motion loudspeaker disclosed in the present disclosure belongs to the field of sound-electricity conversion. The loudspeaker includes a substrate, a driving assembly, a vibrating diaphragm, a connecting assembly and a vibration cavity. The connecting assembly is not coplanar with the vibrating diaphragm, which is of a concealed connecting structure. The driving assembly is configured to drive the vibrating diaphragm to generate a piston motion. The vibrating diaphragm is located in the vibration cavity, and a displacement range of the vibrating diaphragm in a perpendicular direction is within a height range of the vibration cavity formed by a supporting structure extending in a thickness direction of a base, so as to achieve purposes of reducing air leakage and improving a sound pressure level in a working process of the loudspeaker.

The present disclosure relates to an earphone including a sound production component and an ear hook. In a wearing state, the ear hook is configured to place the sound production component at a position near an ear canal but not blocking the ear canal. An inner contour of a projection of the ear hook on the user's sagittal plane includes a first curve that has an extremum point in a first direction. The first direction is perpendicular to a long-axis direction of a projection of the sound production component. The extremum point is located behind a projection point of an upper vertex of the ear hook on the user's sagittal plane, and the upper vertex of the ear hook is the highest point of an inner contour of the ear hook along a vertical axis of the user.

To provide an edge and the like that improve sound quality. The edge includes an edge-shaped portion that is formed from an inner peripheral portion to an outer peripheral portion, and a groove portion that is formed in the edge-shaped portion and has a peak portion and a valley portion, wherein a ridge line of the valley portion of the groove portion extends from a start point on the inner peripheral portion side to an end point on the outer peripheral portion side so as to draw a continuously changing curve.

The invention relates to a balanced armature, BA, receiver, a hearing device comprising the BA receiver and a method for producing the BA receiver. The BA receiver comprises a magnet assembly, an electromagnetic coil, an armature and a diaphragm element. The magnet assembly generates a magnetic field in an air gap. The coil comprises a coil tunnel. The armature extends through the air gap and the coil tunnel. The diaphragm element comprises a membrane portion and a sealing rim that are formed as an integral part. The membrane portion is directly attached to the armature for moving the membrane portion with the armature. The sealing rim extends along the perimeter of the membrane portion and is arranged to seal a front volume of the receiver from a back volume of the receiver.

The present disclosure provides an open earphone comprising: a sound production component including a transducer and a housing accommodating the transducer and an ear hook. In a wearing state, a portion of the ear hook is hung between an auricle and a user's head, and the other portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal. The housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by the transducer out of the housing and to the ear canal, and a ratio of an area of the sound outlet to an area of the inner side surface is between 0.015 and 0.25.

One or more embodiments of the present disclosure provide a speaker. The speaker may include a diaphragm, a magnetic circuit component, a coil connected to the diaphragm, a bracket arranged around the magnetic circuit component, and a housing. At least part of the coil may be arranged in a magnetic gap formed by the magnetic circuit component, and the coil may drive the diaphragm to vibrate to generate sound after the coil is energized. The diaphragm may include a main-body region and a folded-ring region surround the main-body region. The bracket may be connected to a portion of the folded ring region away from the main-body region, and a plurality of air holes may be provided on the bracket. A pressure relief hole may be provided on the housing. Sound from a back surface of the diaphragm may be transmitted to the pressure relief hole through the plurality of air holes, and the plurality of air holes may at least include a first air hole and a second air hole. A distance from a center of the first air hole to a center of the pressure relief hole may be greater than a distance from a center of the second air hole to the center of the pressure relief hole, and an area of the first air hole may be greater than an area of the second air hole.

The present invention provides a loudspeaker assembly for use on the outside of a vehicle. The diaphragm and surround are formed of a single piece of material, the material comprising a single layer woven fabric of orthogonal, woven fibers and a thermoset resin.

Disclosed is a vibration assembly (100), which includes an elastic element (110), which includes a central region (112), an edge region (114) disposed on the outer periphery of the central region (112), and a fixing region (116) disposed on the outer periphery of the edge region (114), and is configured to vibrate along a direction perpendicular to the central region (112), the central region (112) including an elastic member and a reinforcing member (120) laminated along the vibration direction, and the reinforcing member (120) has a plurality of groove structures (121) with openings facing the elastic member.

The present disclosure provides an earphone comprising a sound production component and a suspension structure. The sound production component includes a diaphragm and a housing. In a wearing state, the suspension structure is used to place the sound production component at a position near but not blocking an ear canal, wherein an inner side surface of the housing facing an auricle is provided with a sound outlet, at least another side surface of the housing is provided with a first pressure relief hole, and a distance between a center of the sound outlet and a midpoint of an upper boundary of the inner side surface is greater than a distance between a center of the first pressure relief hole and the midpoint of the upper boundary of the inner side surface.

The invention relates to a suspension device (1) for a loudspeaker comprising: - an outer edge (2); - an inner edge (3); - a suspension (4) extending between the outer and inner edges; the suspension being able to absorb movement stresses produced on the inner edge by means of a predetermined deformation of the suspension. According to the invention, the suspension comprises at least three distinct portions: a rotating mass (7); a first lip (8) attached to the end of the inner edge; and a second lip (9) attached to the end of the outer edge; the first lip and the second lip also being connected to the rotating mass such that the pistonic movements of the diaphragm cause the rotating mass of the suspension to rotate.

An apparatus includes a frame and a surround element that couples a diaphragm to the frame such that the diaphragm is movable in a reciprocating manner relative to the frame. The surround element includes a half-roll element having a concave and convex apparent area. Another apparatus includes a diaphragm, a frame, and a surround element that couples the diaphragm to the frame such that the diaphragm is movable in a reciprocating manner relative to the frame. The surround element includes a half-roll element having a horizontal span and a free-length. A ratio of the horizontal span to the free-length is constant throughout the half-roll element. In an aspect, an apparatus includes a landing and a half-roll element adjacent the landing. The half-roll element includes an outer portion having a variable thickness and a transition portion located between an inner and the outer portion.

The present invention provides a loudspeaker assembly for use on the outside of a vehicle. The diaphragm and surround are formed of a single piece of material, the material comprising a single layer woven fabric of orthogonal, woven fibers and a thermoset resin.

An inertial exciter for use with an acoustic radiator, the inertial exciter comprising: a magnet assembly including a magnet unit configured to provide a magnetic field in an air gap, wherein the air gap extends around a movement axis of the inertial exciter; a coil assembly including: an attachment portion configured to provide an attachment between the coil assembly and the acoustic radiator; a voice coil; a voice coil former which extends from the attachment portion into the air gap, wherein the voice coil is mounted to the voice coil former so that the voice coil sits in the air gap when the inertial exciter is at rest; a tubular member, which is positioned radially outwardly of the voice coil former with respect to the movement axis, and which overlaps the voice coil former along at least a portion of the movement axis; at least one suspension attached to the tubular member and a part of the magnet assembly positioned radially outwardly of the tubular member so that, when the coil assembly is attached to the acoustic radiator via the attachment portion, the magnet assembly is suspended from the acoustic radiator via the coil assembly by the at least one suspension.

Embodiments of the present disclosure provide a sound production component including a diaphragm, a magnetic circuit assembly, a coil, and a housing. The coil is connected to the diaphragm and is at least partially disposed in a magnetic gap formed by the magnetic circuit assembly, and the coil drives the diaphragm to vibrate to produce a sound after being energized. A sound outlet is provided on an inner side surface of the housing for directing a sound generated at a front side of the diaphragm out of the housing. The diaphragm comprises a main body region and a folded-ring region surrounding the main body region, the folded-ring region comprising an arc-shaped segment and a connection segment connected to the main body region. A projection of a center of the sound outlet along a vibration direction on the diaphragm is on an inner side of the arc-shaped segment.

Disclosed is a speaker which improves acoustic performances and includes a frame, a vibration system, a magnetic circuit system, a front cover, a sealing diaphragm, and a sound outlet. The vibration system includes an upper diaphragm, a lower diaphragm in an annular shape, a skeleton including an annular enclosure wall, and a voice coil. The magnetic circuit system includes a bottom plate, a first magnetic unit, and a second magnetic unit. The upper diaphragm includes an inner suspension fixed to the first magnetic unit, an outer suspension fixed to the frame, and a dome. The upper diaphragm and the front cover form a first front cavity. The annular enclosure wall, the sealing diaphragm, the lower diaphragm and the frame form a second front cavity. Both the first front cavity and the second front cavity communicate with the sound outlet.

A loudspeaker includes: a diaphragm; a magnetic circuit; a frame that holds the magnetic circuit; an edge that is annular and connects the diaphragm and the frame; and a voice coil body that is disposed in a magnetic gap of the magnetic circuit. The diaphragm includes: a central portion; and an outer-circumferential portion that is provided as a single piece together with the central portion in an outer periphery of the central portion, and is bonded to the edge at a location in a vicinity of the central portion.

Open-ear headphones, comprehensive: a sound-generating component comprising a transducer and a housing for the transducer; and an ear hook, wherein, in a worn state, a first part of the ear hook is suspended between the auricle and the head of a user, and a second part of the ear hook is connected to the sound-generating part to secure the sound-generating part at a location where the sound-generating part is near the ear canal without blocking the ear canal, wherein the sound-generating part is at least partially located in the cavum conchae; and wherein a sound outlet opening is provided on one inner surface of the housing facing the auricle, wherein at least two pressure relief openings, comprising a first pressure relief opening and a second pressure relief opening, are provided in the other side walls of the housing, wherein the first pressure relief opening and the second pressure relief opening are arranged offset from each other in a direction of the long axis and the distance between the center of the first pressure relief opening and the center of the second pressure relief opening is 7 mm to 15.2 mm, and wherein the direction of the long axis is a direction in which the shape of the two-dimensional projection plane of the sound-generating part extends with maximum extent.

The present invention provides a loudspeaker assembly for use on the outside of a vehicle. The diaphragm and surround are formed of a single piece of material, the material comprising a single layer woven fabric of orthogonal, woven fibers and a thermoset resin.

An embodiment of the present specification provides an earphone including a sound generating unit, an ear hook, and a microphone assembly, the ear hook being configured to mount the sound generating unit in a position near the ear canal so as not to block the ear canal opening, such that at least a portion of the sound generating unit is inserted into the cavity of the concha, the microphone assembly including at least a first microphone and a second microphone, the first microphone or the second microphone being provided in the sound generating unit or the ear hook, and the sound generating unit or the ear hook being provided with a first microphone, A first sound collection hole and a second sound collection hole corresponding to a first microphone and a second microphone are formed, an extension of a line connecting a projection of the first sound collection hole onto the user's sagittal plane and a projection of the second sound collection hole onto the sagittal plane has an intersection with a projection of the antihelix onto the sagittal plane, a distance between the projection of the first sound collection hole onto the sagittal plane and the projection of the second sound collection hole onto the sagittal plane is a first distance, a distance between the projection of the second sound collection hole onto the sagittal plane and the intersection is a second distance, and a ratio of the first distance to the second distance is 1.8 to 4.4.

There is provided a passive radiator, comprising a frame, a diaphragm attached to the frame by a surround such that the diaphragm can move relative to the frame, and a suspension system comprising at least one flat spring that couples the diaphragm and the frame. There is also provided a playback device comprising a passive radiator, the passive radiator comprising a frame, a diaphragm attached to the frame by a surround such that the diaphragm can move relative to the frame, and a suspension system comprising at least one flat spring that couples the diaphragm and the frame.

This invention discloses a high-resistivity piston-type loudspeaker, belonging to the field of acoustic-to-electric conversion. The invention includes a base 010, a driving component 020, a diaphragm 030, a connecting component 040, and a vibrating cavity 050. The connecting component 040 is not coplanar with the diaphragm 030, i.e., it is a concealed connection structure. The driving component 020 drives the diaphragm 030 to produce a piston-like movement. The diaphragm 030 is located inside the cavity 050, and the displacement range of the diaphragm 030 in the vertical direction is within the cavity height range formed by the support structure extending along the thickness direction of the base, thereby reducing air leakage and increasing the sound pressure level during loudspeaker operation. Based on the piston-type loudspeaker with a concealed connection structure, further optimization of the loudspeaker's diaphragm structure and support structure controls air leakage during loudspeaker operation, further increasing the acoustic impedance of the front and rear cavities and the loudspeaker's output sound pressure level.

Embodiments of the present disclosure provide a sound production component including a diaphragm, a magnetic circuit assembly, a coil, and a housing. The coil is connected to the diaphragm and is at least partially disposed in a magnetic gap formed by the magnetic circuit assembly, and the coil drives the diaphragm to vibrate to produce a sound after being energized. A sound outlet is provided on an inner side surface of the housing for directing a sound generated at a front side of the diaphragm out of the housing. The diaphragm comprises a main body region and a folded-ring region surrounding the main body region, the folded-ring region comprising an arc-shaped segment and a connection segment connected to the main body region. A projection of a center of the sound outlet along a vibration direction on the diaphragm is on an inner side of the arc-shaped segment.

A piezoelectric transducer comprises a deflectable structure having a first portion and a laterally adjoining second portion. The first portion has a piezoelectric layer and the second portion has an insulating material layer, and the second portion has a higher rigidity and a smaller mass per unit area than the first portion.

The invention relates to a surround (10) for a loudspeaker, preferably a planar loudspeaker, having a fastening region (14) extending in a fastening surface (12) and an elongate, preferably rectangular or oval, vibration region (16) arranged within the fastening region (14), wherein the contour of the vibration region (16) is designed such that sections of the vibration region (16) extend on different sides of the fastening surface (12).