110results about "Fibre diaphragms" patented technology

The embodiment of the invention provides an earphone. The earphone comprises a sound production part, an ear hook and a microphone assembly, the ear hook is configured to wear the sound production part at a position near the ear canal but not blocking the ear canal, and at least part of the sound production part extends into the auricular conchae; the microphone assembly at least comprises a first microphone and a second microphone, the first microphone or the second microphone is arranged in the sound production part or the ear hook, and the sound production part or the ear hook is provided with a first sound receiving hole and a second sound receiving hole respectively corresponding to the first microphone and the second microphone; wherein the extension line of the connecting line of the projection of the first sound receiving hole on the sagittal plane of the user and the projection of the second sound receiving hole on the sagittal plane has an intersection point with the projection of the antihelix on the sagittal plane, and the distance between the projection of the first sound receiving hole on the sagittal plane and the projection of the second sound receiving hole on the sagittal plane is a first distance; the distance between the projection of the second sound receiving hole on the sagittal plane and the intersection point is a second distance, and the ratio of the first distance to the second distance is 1.8-4.4.

There is a composite material for an acoustic transducer diaphragm comprising: a thermoplastic polymer resin, a graphitic filler, and optionally a coupling agent. The thermoplastic polymer resin is selected from the group consisting of polypropylene, polyethylene, poly(methyl methacrylate), polycarbonate, polyoxymethylene, cyclic olefin copolymer, polyethylene terephthalate, acrylonitrile butadiene styrene, polybutylene terephthalate, polyamide, poly(ADP-ribose) polymerase, polyethylenimine, polyamide-imide, polyether ether ketone, polyolefin, polyester, polycarbonate, polysulfone, polyacetals, polyvinyl acetals, polyketone, polyamides, cyclic olefin copolymer, thermoplastic thermotropic liquid-crystal polymer, polyphenylene sulfide, polyimide and a mixture thereof. The graphitic filler is selected from the group consisting of graphene oxide, reduced graphene oxide, graphite, graphene and carbon nanotubes, and a mixture thereof. The coupling agent or a mixture is selected from the group consisting of titanium organometallics, aluminum organometallics, zirconium organometallics, and silicon organometallics.

A diaphragm for a microspeaker has an organic polymer film layer in direct contact with one or both skin layers. The one or two skin layers independently include a block copolymer having a hard segment and a soft segment, wherein a portion of the hard segment is included in a crystalline physically crosslinked domain. The organic polymer film layer is not sticky at 25 DEG C. A method of making the diaphragm is also described. The method includes co-extruding the block copolymer and an organic polymer to provide a multilayer film comprising the one or two skin layers and the organic polymer film layer in direct contact with the one or two skin layers. A microspeaker including the diaphragm is also described.

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.

Provided in the present application are an reinforced dome and a loudspeaker. Preparation raw materials for the reinforced dome comprise a main material and an reinforced material added to the main material, the particle size of the reinforced material being 1 nm-5 μm, and the mass percentage of the reinforced material added to the preparation raw materials being 1-50%. The reinforced dome of the present application comprises the main material and the reinforced material added to the main material. The reinforced material is added to the main material so as to enhance the mechanical properties of the dome, such that compared with those of domes in the prior art made of pure polymer materials or metal materials, the elastic modulus of the reinforced dome obtained in the present application is increased while the quality requirements of the dome is ensured, thus improving the high-frequency performance of loudspeaker products.

Provided is a speaker diaphragm that can uniformly increase rigidity throughout the entire area. A speaker diaphragm 1 of the present invention includes a base material having a resin matrix 2 with a thermoplastic resin as a main component and fibers 3 dispersed in the resin matrix 2, the fibers 3 being poly-p-phenylene benzobisoxazole fibers, the average length of the fibers 3 being 0.5 mm or more and 3.0 mm or less, and the content of the fibers in the base material being 3 mass% or more and 15 mass% or less.

Embodiments of the present disclosure set forth a noise-reducing loudspeaker and systems implementing such. In one aspect, a loudspeaker apparatus comprises a diaphragm. The diaphragm comprises an acoustic layer configured to emit output sounds toward a first side of the loudspeaker apparatus; and a first sound attenuation layer configured to attenuate sounds passing from a second side of the loudspeaker apparatus to the first side through the diaphragm, where the first sound attenuation layer is positioned nearer to the second side relative to the acoustic layer.

A diaphragm is injection-molded using cellulose composite pellets, the cellulose composite pellets comprise at least one of a transparent cellulose material, a resin material, a light diffuser, a dispersant, and a pigment, and the transparent cellulose material is in 30wt% to 70wt%.

A diaphragm is injection-molded using cellulose composite pellets, the cellulose composite pellets comprise at least one of a transparent cellulose material, a resin material, a light diffuser, a dispersant, and a pigment, and the transparent cellulose material is in 30wt% to 70wt%.

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.

The present invention discloses a dome, a diaphragm assembly, a sound-generating device, and an electronic device for a sound-generating device; wherein the dome includes a heat-conducting layer and a heat-dissipating layer formed outside the heat-conducting layer; the heat-conducting layer includes at least an organic aerogel material and a heat-conducting filler, the organic aerogel material is oriented in a direction perpendicular to the surface of the dome, and the heat-conducting filler is added to the organic aerogel material and arranged along the orientation direction of the organic aerogel material. The dome of the present invention uses an organic aerogel material to reduce its own mass. Moreover, the present invention adds a heat-conducting filler to the organic aerogel material so that the heat-conducting filler is arranged along the orientation direction of the organic aerogel material, so that the heat can be transferred to the heat-dissipating layer outside the heat-conducting layer, thereby improving the heat dissipation efficiency of the dome.

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.

An electroacoustic transducer 1, particularly a flexural wave transducer, comprising at least one bend-resistant acoustic diaphragm 2 and a solid-state acoustic converter 3 for exciting this acoustic diaphragm 2 is described. In order to achieve an improved acoustic situation, it is proposed that this acoustic diaphragm 2 comprises a support material 4 coated with a synthetic resin, and that its acoustic output surface 5 is composed of at least two, particularly at least three, synthetic resin layers 6 which are joined to one another in a material-bonded form without joining means.

A diaphragm to be provided in an electroacoustic transducer includes: a first protrusion that protrudes from at least one of a front face or a back face of the diaphragm and extends in a spiral from a center of the diaphragm or a vicinity of the center toward an outer circumference of the diaphragm; and a second protrusion that protrudes from at least one of the front face or the back face of the diaphragm and extends in a spiral from the center of the diaphragm or a vicinity of the center toward an outer circumference of the diaphragm, the second protrusion extending in a direction opposite to a direction in which the first protrusion extends and intersecting with the first protrusion.

An open-type earphone according to an embodiment of the present specification includes an ear hook including a sound generating unit and a first part and a second part connected in sequence, wherein the first part is hung between the user's auricle and head, and the second part extends toward the anterior outer surface of the auricle and is connected to the sound generating unit, thereby attaching the sound generating unit near the ear canal in a position that does not block the ear canal opening, and at least a portion of the sound generating unit is inserted into the cavity of the concha, and the overlap ratio between the area of ​​the sound generating unit projected onto the sagittal plane and the area of ​​the concha cavity projected onto the sagittal plane is 44.01% or more.

A diaphragm includes: thermoplastic fiber; and foaming particles.

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.

A loudspeaker assembly (1) for use outside a vehicle is provided. The diaphragm (3) and the enclosure (7) are formed from a single piece of material comprising a single layer of woven fabric of orthogonally interwoven fibers and a thermosetting resin.

The sound generating unit according to one or more embodiments of the present specification includes a vibrating membrane, a magnetic circuit assembly, a coil, and a support frame arranged to surround the magnetic circuit assembly, the coil is connected to the vibrating membrane and at least a portion of which is located in a magnetic gap formed by the magnetic circuit assembly, the coil vibrates the vibrating membrane when current is applied to the coil to generate sound, the vibrating membrane includes a main body region and an edge region surrounding the main body region, a first portion of the support frame is connected to the edge region, a thickness of the first portion is within a range of 0.3 mm to 3 mm, and the thickness of the first portion is the minimum distance in the vibration direction of the vibrating membrane between a connection region between the support frame and the edge region and a region of the support frame directly attached to the magnetic circuit assembly.

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.

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.

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 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.

The speaker diaphragm includes a substrate having a resin matrix containing a thermoplastic resin as a main component and fibers dispersed in the resin matrix. The fibers have a plurality of loss regions where the fibers are locally bent and broken, or a plurality of loss regions having a diameter 5% to 50% larger than the average diameter of the fibers.

[Problem] To provide an electro-acoustic transducer diaphragm which maintains a high Young's modulus and realizes moderate internal loss. [Solution] An electro-acoustic transducer diaphragm 1 includes a substrate 10 which is constituted of a fiber material based on cellulose, and which has formed therein a mixture layer 11 of a fiber material 20 and silk nanofibers 21.

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.

Loudspeaker diaphragm (1A, 1B), comprising: a tissue (10) formed into a membrane shape, wherein the tissue (10) has a first surface (10A) and a second surface (10B) on a back side of the tissue (10) to the first surface (10A); a sealing layer (13A, 13B) arranged on the first surface (10A) of the fabric (10), wherein the sealing layer (13A, 13B) seals a mesh opening (10a) which is bounded by warp threads (11) and weft threads (12) of the fabric (10); and a coating (17A) formed from a first composite material (16A) which is a mixture of a plurality of first short nanofibers (14A) and a first plastic (15A), wherein the coating (17A) penetrates the fabric (10) from the second surface (10B) of the fabric (10) to the sealing layer (13A, 13B).

A sound apparatus includes a piezoelectric device configured to vibrate based on a sound signal input thereto, a vibration member, and an elastic member configured to connect at least a portion of the piezoelectric device to the vibration member.