A unitary elastomeric structure comprising: an annular body having an inward facing annular channel formed in an upper portion of the body and an annular sealing structure formed in a lower portion of the body, wherein the annular sealing structure is concentric with and radially within the annular channel; and a plurality of grommets disposed radially around and integrally formed with the annular body, wherein each grommet has opposing upper and lower surfaces and a bore extending through the grommet between the upper and lower surfaces.

Loudspeaker enclosures and loudspeaker devices are provided. In some embodiments, a loudspeaker device is provided, the loudspeaker device comprising: a loudspeaker enclosure, comprising: a rear side; and a front side of the loudspeaker enclosure comprising: a lower portion of the front side comprising a first opening for receiving a first loudspeaker and a second opening for receiving a second loudspeaker; and an upper portion of the front side comprising a third opening for receiving a third loudspeaker, a first port, and a second port, wherein a distance from the lower portion of the front side to the rear side is greater than a distance from the upper portion of the front side to the rear side; the first loudspeaker positioned in the first opening; the second loudspeaker positioned in the second opening; and the third loudspeaker positioned in the third opening.

An audio strip device for use with a speaker can comprise a top surface; and a bottom surface wherein the top surface and the bottom can have a thickness in the shape of a waveform and a length wherein the bottom surface can have an adhesive attached to bottom surface, front surface or sides. The waveform can have a crest and a trough with an amplitude. The audio strip device can be formed into a shape of a speaker having a joint wherein the joint can have adhesive attached to it forming a solid connection. The method of manufacturing and installing an audio strip device comprises producing a top surface, and a bottom surface from compressible material having a thickness and a length wherein the top surface through to the bottom surface can be cut into a shape of a waveform along its length. Adhesive can be applied to one of the surfaces, and the audio strip device's length can be cut to a user's desired length to fit around any size speaker.

Embodiments of apparatus are disclosed for affecting working fluid flow in a system that delivers material between two locations by carrying the material in the working fluid. For example, embodiments of the disclosed apparatus may be used in an internal combustion engines to carry fuel droplets to a combustion area using air as the working fluid. The apparatus may include a passage including a funnel portion and tumble area that direct working fluid into a stratified stream. The stratified stream may include an outer boundary flow having a toroidal and/or helical flow characteristic and an inner flow carrying injected material that is bound by the outer flow.

The present invention provides a mobile terminal, including: a housing including an upper cover, a lower cover covering the upper cover to form an accommodating space, and a sound channel penetrating through the upper cover; and a speaker unit accommodated in the accommodating space of the housing; the speaker unit dividing the accommodating space into a front sound cavity and a rear cavity; the sound channel communicating the front sound cavity with an outside; and where in, the speaker unit is fixed on the upper cover and enclosed together with the upper cover to from the front sound cavity; the sound channel is filled with a sound absorbing material.

Disclosed is an electronic apparatus comprising: an audio processor configured to process a sound signal; and a loudspeaker configured to output sound based on the sound signal, the loudspeaker comprising: a first driver; a second driver configured to output a frequency band higher than a frequency band output by the first driver; and a plate-shaped enclosure comprising a chamber accommodating the first driver and the second driver and a sound emission passage adjacent to the chamber, and the sound emission passage comprising: a first sound emission passage extending along an arrangement direction of the first driver and the second driver and having the first driver disposed therein; and a second sound emission passage extending along the arrangement direction of the first driver and the second driver inside the first sound emission passage and having the second driver disposed therein.

A speaker system includes an outer panel of a vehicle door of a vehicle having a compartment; a panel member that constitutes a part of the vehicle door, the panel member being closer to the compartment than is the outer panel; an inner panel of the vehicle door, the inner panel residing between the outer panel and the panel member to form a first space and a second space, the first space being defined between the panel member and the inner panel, and the second space being defined between the outer panel and the inner panel, wherein the inner panel has a through hole that communicates the first space with the second space; and a speaker mounted to the panel member; wherein: the panel member is mounted to the inner panel; and the panel member together with at least the outer panel constitutes an enclosure for the speaker.

A display apparatus includes a display panel including a plurality of pixels and configured to display an image, a roller on which the display panel is wound or unwound, a rolling module including a structure connected to an upper portion of the display panel and configured to wind or unwind the display panel according to a folding or unfolding of the structure, and a vibration device at the structure. The vibration device is configured to vibrate the display panel when unwound from the roller. The vibration device includes a vibration generator that contacts a contact surface of the display panel and is configured to move to maintain the contact with the contact surface.

A speaker, comprising a magnetic component, an outer frame, an elastic component, a vibrating component, and a voice coil. The magnetic component comprises a magnetic conductive carrying plate and a magnetic circuit module. The magnetic conductive carrying plate comprises two sidewalls and a bottom plate. The two sidewalls are disposed at two side edges of the bottom plate. The magnetic circuit module is disposed on the bottom plate. The outer frame is disposed on a periphery of the magnetic component. The elastic component is interconnected with the magnetic conductive carrying plate and the outer frame and is relatively disposed on two sides of the magnetic conductive carrying plate. The vibrating component is disposed at the outer frame and the magnetic component and the elastic component. The voice coil is disposed under the vibrating component and between the magnetic circuit module and the two sidewalls of the magnetic conductive carrying plate.

A speaker is provided. The speaker includes a sound output unit comprising sound output circuitry having a sound emission hole disposed at one side, a sound reflector disposed at a lower side of the sound output unit and being spaced apart from the sound output unit, the sound reflector having a convex form upper side, and a support having one end fixed to the sound reflector and another end rotatably supporting the sound output unit, wherein the sound output unit is positioned in one of a first posture in which the sound emission hole faces the upper side of the sound reflector and a second posture in which the sound emission hole does not face the upper side of the sound reflector.