836results about "Loudspeaker screens" patented technology

A protective acoustic cover assembly including a metal foil with perforations, and a treatment on one or more surfaces of said metal foil. The treatment is a hydrophobic or oleophobic treatment, or both. The protective acoustic cover assembly has an average specific acoustic resistance of less than about 11 Rayls MKS from 250-300 Hz, an average specific acoustic reactance magnitude of less than about 1 Rayls MKS from 250-300 Hz, and an instantaneous water entry pressure value of greater than about 11 cm. The perforations of the metal foil preferably have an average maximum pore size of less than about 150 micrometers. The protective acoustic cover assembly further includes an adhesive mounting system, and the preferred metal foil is nickel.

A protective acoustic cover assembly including a metal foil with perforations, and a treatment on one or more surfaces of said metal foil. The treatment is a hydrophobic or oleophobic treatment, or both. The protective acoustic cover assembly has an average specific acoustic resistance of less than about 11 Rayls MKS from 250-300 Hz, an average specific acoustic reactance magnitude of less than about 1 Rayls MKS from 250-300 Hz, and an instantaneous water entry pressure value of greater than about 11 cm. The perforations of the metal foil preferably have an average maximum pore size of less than about 150 micrometers. The protective acoustic cover assembly further includes an adhesive mounting system, and the preferred metal foil is nickel.

An earpiece may include an earpiece housing, an electronics package associated with the earpiece housing, a hydrophobic barrier on the earpiece, and an oleophobic barrier on the earpiece. The hydrophobic barrier may be applied directly to the electronics package. The oleophobic barrier may be distal to the electronics package. The oleophobic barrier may be an oleophobic nano-coating applied to a mesh or screen. The hydrophobic barrier may be distal to the electronics package. The oleophobic barrier may be distal to the hydrophobic barrier. The hydrophobic barrier may be a nano-coating applied directly to a mesh or screen. The oleophobic barrier may be a nano-coating applied directly to a mesh or screen.

A system, method, and wireless earpiece. The wireless earpiece includes a frame supporting circuitry of the wireless earpiece The frame includes an extension composed of graphene shaped to fit in to an ear canal of a user. The wireless earpiece includes a sleeve fitted over the frame to fit in to the ear canal of the user.

A phase plugs or acoustic lens improves the directional audio performance of a loudspeaker. Application of the improved directional audio performance to a sound system in a listening area may improve the performance of the audio system. Configuration of the acoustic lens or phase plug may include both symmetrical and asymmetrical features to provide an improved frequency response and directivity. The improved loudspeaker may provide improved an improved listing location, for example, in a vehicle.

A vehicle audio system includes at least two loudspeakers incorporated into a headrest of a vehicle. Protective caps are provided for the loudspeakers at the headrest above each of the two loudspeakers and extend at least partially in a direction in which sound is emitted from the loudspeakers. An audio signal processor receives an audio input signal and is configured for generating audio output signals for the two loudspeakers such that the audio output signals are perceived by a user sitting on a seat on which the headrest is provided as a virtual soundfield. A database includes cap compensating information that compensates for an influence by the protective caps on the audio output signals emitted by the two loudspeakers. The audio signal processor is further configured for generating the virtual soundfield for said user taking into account the cap compensating information.

A method and apparatus for providing a loudspeaker assembly is provided. In accordance with at least one embodiment, a method is provided for mounting a loudspeaker driver in a loudspeaker driver aperture defined in a ground plane and installing a grille in relation to the ground plane such that a distance between the grille and the ground plane decreases as the distance from the loudspeaker driver increases. In accordance with at least one embodiment, apparatus is provided comprising a ground plane, a loudspeaker driver mounted in a loudspeaker driver aperture of the ground plane, and a grille positioned relative to the ground plane such that a distance between the grille and the ground plane decreases with increasing distance from the loudspeaker driver. The loudspeaker assembly can be used to replace ceiling tiles having any size or configuration, and can also me mounted in other surfaces, such as ceiling walls, floors, table tops, etc. made of drywall, hard decking, wood, stone, cement, glass, or any other material or type of construction, or configured in a stand-alone loudspeaker frame or cabinet. The loudspeaker assembly of the present invention can be mounted in any orientation.

The disclosure relates to an earphone having an acoustic tuning mechanism. The earphone comprises an earphone housing having a body portion acoustically coupled to a tube portion extending from the body portion, the body portion having an acoustic output opening to output sound from a driver positioned therein into an ear canal of a wearer; and an acoustic tuning member positioned within the body portion for acoustically coupling the driver to the tube portion, the acoustic tuning member defining a back volume chamber for the driver and forming an acoustic pathway for outputting sound from the back volume chamber of the driver to the tube portion, so as to improve acoustic performance of the earphone.

A miniature multi-loudspeaker module comprising a housing including a magnetic circuit having magnetic means and a magnetically conducting body defining a magnetic field, and first and second coplanar diaphragm and coil assemblies, which are separately movable. The housing is attached to a front cover, which includes first and second sound outlet openings leading to the first and second diaphragms. Preferably, parts of the magnetic circuit can be shared by the two diaphragm and coil assemblies. Preferred embodiments have two diaphragm and coil assemblies that can be separately electrically terminated to enable stereo sound reproduction and can be operated out of phase to serve as a vibration source. Such modules may be utilized for providing stereo sound in, e.g. mobile phones. The front cover may also comprise a sound outlet opening. The receiver signal can be generated by the two diaphragms or by a separately movable third diaphragm and coil assembly.

A sound-permeable film (11) includes: a porous membrane (13) that contains polytetrafluoroethylene as its main component, allows sound to pass therethrough, and prevents an foreign object such as a water drop from passing therethrough; and a heat-resistant double-sided adhesive sheet (15) that is disposed on a part of at least one of main surfaces of the porous membrane (13).

A surface-mountable MEMS microphone comprising a MEMS microphone die and an application-specific integrated circuit (ASIC) mounted inside a surface-mountable package housing, and fully enclosed therein. The surface-mountable package is a single, self-contained housing that provides an electrical interface to external circuitry for the enclosed MEMS microphone die and the ASIC, and provides electrical, physical, and environmental protection for the MEMS microphone die and the ASIC. The surface-mountable package allows external acoustic energy to enter the package interior via one or more acoustic ports and impinge on the diaphragm of the MEMS microphone die. The cover of the surface-mountable package comprises an acoustic port with ingress protection to limit dust and particle intrusion. The ingress protection can be a formed member that is part of the cover of the surface-mountable package having various shapes, an internal shield, or a combination of both a formed member and internal shield.

A MEMS transducer for interacting with a volume flow of a fluid includes a substrate including a cavity, and an electromechanical transducer connected to the substrate in the cavity and including an element deformable along a lateral movement direction, wherein a deformation of the deformable element along the lateral movement direction and the volume flow of the fluid are causally related.

Earpieces and methods of forming earpieces for radio frequency (RF) mitigation are provided. An earpiece is configured to be inserted in an ear canal. The earpiece includes an insertion element and a sealing section disposed on the insertion element and configured to conform to the ear canal. The sealing section is configured to substantially mitigate radio frequency (RF) transmission and to substantially isolate the ear canal from an ambient environment.

A sound-permeable film (11) includes: a porous membrane (13) that contains polytetrafluoroethylene as its main component, allows sound to pass therethrough, and prevents an foreign object such as a water drop from passing therethrough; and a heat-resistant double-sided adhesive sheet (16) that is disposed on a part of at least one of main surfaces of the porous membrane (13).

A speaker apparatus comprising a speaker housing member and a supporting bracket that can be easily installed on a spa or any other desired supporting surface. The speaker apparatus is configured such that the speaker housing member can move between a plurality of different positions relative to the supporting bracket, including at least an upward position and a downward position. In some embodiments, the speaker apparatus has a visual display that changes the orientation of the information so that the information is displayed in an upright orientation regardless of the orientation of the speaker housing member. In some embodiments, the speaker apparatus can comprise controls to control the speaker apparatus, audio signal source, spa, or other components.

The present disclosure discloses a speaker including a frame with a receiving space; a conductive element assembled with the frame; and a vibration system positioned by the frame, including a diaphragm received in the receiving space and a voice coil driving the diaphragm. The diaphragm divides the receiving space into a front cavity above the diaphragm and a rear cavity below the diaphragm. The frame includes an upper surface facing the diaphragm and an assemble surface opposed to the upper surface, and the conductive element includes a first conducting part disposed out of the assemble surface for electrically connecting to the voice coil.

A method is provided according to an example embodiment of the present invention for providing a porous cover structure for a mobile device for use with integrated audio components. Sound inlets and / or outlets in a mobile device cover may be replaced by one or more areas of microholes which are small enough to be invisible or almost invisible to the naked eye. The porous region may be located and dimensioned in a way that provides the best compromise between industrial design, mechanics, and audio requirements. Further, the audio component mechanics beneath the cover may be modified to take additional advantage of the porous cover structure, and the porous structure may also be used as an improved dust and liquid protection feature. A corresponding housing component and apparatus are also provided.

Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.

A plastic molded trim panel for a vehicle provides a cover element formed as an injection-molded panel with a visible side and an underside. The cover element has a smooth outer rim region, a patterned central region, and an edge region between them. The patterned central region includes a first plurality of regularly-spaced holes disposed in the visible side with a predetermined pattern and having a first substantially uniform depth. The edge region includes a second plurality of regularly-spaced holes disposed in the visible side uniformly continuing the predetermined pattern and having a generally decreasing depth according to proximity to the rim region. The rim region is smooth on the visible side without holes. The decreasing depth of the holes allows an uninterrupted hole pattern to be used because the truncated holes at the edge of the pattern remain to be manufacturable using injection molding.

A cover unit that is provided to an electronic device as a waterproof cover, the cover unit covering one or more openings formed in a housing of the electronic device with respect to a plurality of speakers, and comprising a frame member having a plurality of windows disposed therein, the windows facing the speakers in one-to-one correspondence, and a waterproof film covering the windows. Having such a structure, the cover unit covers the one or more openings formed in the housing, and has an advantageous effect of suppressing at least one of (i) an increase in parts composing an electronic device and (ii) an increase in distortion of sound. Additionally, since a vibration unit faces a corresponding one of the speakers, the unnecessary vibration of the vibration unit is inhibited, which leads to a reduction in the distortion of sound.

A weather-proof notification device includes an enclosure having an integrally formed grille and a speaker located within and attached to the enclosure proximate the grille. The grille is configured to inhibit the entry of rainwater into the interior of the enclosure. A water-resistant or water-tight seal is provided between the speaker and the enclosure, and the speaker includes a water-repellent diaphragm, in order to prevent water from migrating from the sound chamber into the operating electrical compartment. A drain is provided on the grille to permit free drainage of water from the sound chamber.

A method is for manufacturing a speaker-use center cap provided with a first cap member layer of synthetic resin and a second cap member layer layered in intimate contact with the first cap member layer and made of a material different from that of the first cap member layer. The method includes: a pre-molding step of attaching a non-molded sheet-like material which is a raw material of the second cap member layer to a mating surface of one of die parts of an injection molding die and thereafter closing the injection molding die to apply a predetermined cap shape to the sheet-like material; and an injection molding step of injecting the synthetic resin material into the injection molding die closed by the pre-molding step to form the first cap member layer to be intimate contact with the second cap member layer.

An acoustic module, such as a microphone or speaker module, includes an acoustic membrane that vibrates to produce acoustic waves and an acoustic cavity through which acoustic waves produced by the membrane travel. A liquid removal mechanism removes liquid from the acoustic cavity. Such a liquid removal mechanism may include the acoustic membrane, heating elements, hydrophobic and / or hydrophilic surfaces, and so on. In some cases, the liquid removal mechanism may remove liquid from the acoustic cavity upon connection of the acoustic module and / or an associated electronic device to an external power source.

A sound system for mounting to an umbrella includes a housing and at least one speaker. The system further includes an amplifier, at least one input device, and a power source. The system further includes an upper coupler that engages a male coupling element on an upper shaft of the umbrella. The system further includes a lower coupler that engages a female coupling element on a lower shaft of the umbrella.

An object is to provide a structure in which when a waterproof filter having an adhesive layer 1 attached thereto is attached to a housing of an electronic device, the adhesive layer 1 hardly rides onto a stepped portion 13. An acoustic part includes a housing 11 having at least one sound hole 12, an adhesive layer 1 formed into a frame shape, and a waterproof filter attached so as to cove the sound hole 12 with the adhesive layer 1 interposed therebetween, wherein the housing 1 is provided with a step position 13 for allowing the waterproof filter to engage therewith or a stepped portion 13 as a marker showing an attachment position of the waterproof filter, and an outer peripheral portion of the frame-shaped adhesive layer 1 is positioned at an inner side than an outer peripheral portion of the waterproof filter.

A phase plugs or acoustic lens improves the directional audio performance of a loudspeaker. Application of the improved directional audio performance to a sound system in a listening area may improve the performance of the audio system. Configuration of the acoustic lens or phase plug may include both symmetrical and asymmetrical features to provide an improved frequency response and directivity. The improved loudspeaker may provide improved an improved listing location, for example, in a vehicle.

The invention provides a loudspeaker sound generation hole plugging processing method and device and terminal equipment. The method comprises the steps that whether the sound generation hole of a loudspeaker is plugged is detected, and the user is prompted not to plug the sound generation hole of the loudspeaker by the hand; and if the detection result indicates that the sound generation hole of the loudspeaker is plugged, a built-in audio file is played, a preset vibration device is driven to vibrate according to the set vibration intensity so that the plugged foreign matter on the sound generation hole of the loudspeaker can be cleaned. With application of the method, automatic cleaning of dust or foreign material on dust screen cloth can be realized without machine disassembling when the dust screen cloth is plugged by the dust and the liquid so that the processing difficulty can be reduced and the user experience can be enhanced.