Abstract: A multi-zone audio system is provided that is portable to a handheld audio device at a plurality of locations. The system includes a multi-zone audio system controller having an audio input/output selection circuit for selectively regulating the source and distribution of audio signals. A plurality of handheld connector docks are distributed about the multi-zone system. Each connector dock is in communication with the audio system controller. The connector docks include a connector port, engagable to the handheld device, for communicating music/data/commands between the handheld device and the system controller. A plurality in-wall audio controllers are also distributed about the multi-zone system. Each in-wall controller is in communication with the audio system controller, and includes an input circuit for selective input of commands to regulate operation of the system controller and/or the handheld device.

Abstract: A speaker assembly having a removable grill. The grill includes a perforated portion circumscribed by a flange. The flange has one or magnets disposed around an outer periphery of the flange. The speaker body has corresponding slugs disposed so as to align with the magnets of the grill upon assembly. The magnetic bond formed between the slugs and magnets keeps the grill attached to the speaker body during operation of the speaker assembly.

Abstract: A detachable aromatic nebulizing diffuser includes a base panel, an electric fan, a fluid container, an ultrasonic oscillator, a power jack, a water baffle, a lower housing and a top cover. The ultrasonic oscillator oscillates ultrasonic waves to cause an aromatic fluid in the fluid container into a fine mist that is carried by currents of air caused by the electric fan and guided through an air duct in the fluid container. The fluid container has bottom mounting rods detachably plugged into respective tubular upright posts of the base panel, facilitating mounting and dismounting. The water baffle and the top cover are light transmissive for creating a visual effects upon working of a light source that is carried on the ultrasonic oscillator.

Abstract: A system for transmitting sounds to an in utero being. The system includes a first speaker capable of transmitting sound to an in utero being and a first bendable member coupled to the first speaker. The first bendable member is flexible enough to allow the first bendable member to be bent to a desired position and rigid enough to hold the first bendable section in the desired position. A clip is coupled to the first bendable member, the clip operable to releasably secure the first bendable member to a user.

Abstract: A flexible multiple speaker support apparatus is provided for supporting a plurality of speakers therein and includes a flexible, hollow speaker support unit which includes a plurality of open, sound emission channels. The speakers are housed within the flexible, hollow speaker support unit, and the speakers are placed in registration with the open, sound emission channels. With one embodiment of the invention, the flexible, hollow speaker support unit includes a flexible, tubular speaker support member, and the flexible, tubular speaker support member includes a plurality of the open, sound emission channels. The speakers are placed in registration with the open, sound emission channels. With another embodiment of the invention, a suspension bracket assembly is connected to the flexible, hollow speaker support unit for supporting the flexible, hollow speaker support unit in a desired orientation from a ceiling, wall or other surface.

Abstract: An electro-acoustic transducer is oriented such that its transducer axis is parallel to, and in, the plane of a baffle coupled to the electro-acoustic transducer for reduced baffle vibration.

Abstract: A ceiling-mounted loudspeaker includes a horn-shaped enclosure, an acoustic driver, and a front module. The tubular or horn-shaped enclosure carries a slanted woofer or loudspeaker driver which radiates into an angled or slanted first opening. The tubular enclosure terminates at bottom in a second, circular opening substantially parallel to a second plane, wherein the woofer's slanted plane is inclined with respect to the second plane. The slanted woofer can be oval and radiates sound through the enclosure's interior lumen and outwardly through ports defined in a substantially circular baffle carrying the front module and connected to the second opening. The baffle carries a midrange and tweeter near the ceiling where they can provide enhanced sound dispersion.

Abstract: A microphone-shaped speaker device preferably for use by children, teenagers, young adults and even adults for leisure and fun. The microphone shaped device can be electrically connected and appear to be a regular microphone for receipt of lyrics of a song or a voice for playing through and out of a speaker but, in fact, it necessarily is also an audio speaker, located at or adjacent to the mouth of the entertainer. The device is connected to a source of audio, digital or analog, signals of the voices of pre-recorded entertainers. In this manner, an extremely realistic effect/illusion is provided, the user seems to be singing (when suitably lip synched to the lyrics of the pre-recorded songs), with the voice, tone, harmony, melody, etc. of the professional singer.

Abstract: A seal consists of an annular thermoplastic body having a relatively thinner annular base and a relatively thicker, compressible annular bead. The annular body has a shape that corresponds to a mounting surface of a loudspeaker. A surface of a rim of a loudspeaker basket is placed in contact with a mold to form a substantially annular cavity, a melted thermoplastic material is injected at low-pressure into the cavity to form a seal adhered to the surface.

Abstract: A wireless speaker may include a housing comprising a networking module configured to receive a signal from an audio source, a power amplifier configured to amplify the signal, and at least one speaker configured to translate the electrical signal into an acoustic wave. The wireless speaker may also include at least one electrical connector configured to be electrically and mechanically coupled to a power source, such as an AC outlet. The electrical connector may be configured to orientate the wireless speaker in various positions relative to wall and may be configured to allow the wireless speaker to pivot or rotate relative to the wall. The wireless speaker may also include at least one light source configured to illuminate at least a portion of the speaker membrane.

Abstract: A speaker assembly having a removable grill. The grill includes a perforated portion circumscribed by a flange. The flange has one or magnets disposed around an outer periphery of the flange. The speaker body has corresponding slugs disposed so as to align with the magnets of the grill upon assembly. The magnetic bond formed between the slugs and magnets keeps the grill attached to the speaker body during operation of the speaker assembly.

Abstract: A speaker device for a portable terminal is provided. The device includes a case frame forming an exterior of the portable terminal, a speaker installation space provided at an inner surface of the case frame to install a speaker therein, a barrier wall formed to provide a resonance space near the speaker installation space, and a cover installed to seal the resonance space.

Abstract: A speaker assembly mounted on a bracket extending from a ceiling comprises an enclosure that includes a bottom wall, side walls including opposing first and second side walls, a sleeve that receives a tubular member of the bracket, and an interior wall having a first segment that extends from the sleeve to the first side wall and a second segment that extends from the sleeve to the second side wall. The interior wall cooperates with the sleeve to divide the enclosure into two approximately equal sized compartments. Each of the speakers within the assembly either forms, or is mounted in or on, one of the side walls. A top plate is mounted on, and forms a top of, the enclosure and seals the two compartments, the top plate having an opening that is aligned with the sleeve when the top plate is mounted on the enclosure. A power unit and circuitry for the speakers are mounted on the top plate.

Abstract: A speaker device where the dip in the middle sound range is reduced, which provides reproduced sound of comparatively high quality, and provides reproduced sound of comparatively high sound pressure. In the speaker device, a support member for a speaker vibrator is adopted for an edge. The speaker device has a movable part (85) having bent parts, or more specifically, having a top bent part, an inner bent part, and an outer bent part. Because the movable part (85) is formed such that the top bent part is positioned closer to the radial center of the speaker device than the radial center between the inner bent part and the outer bent part, the edge (8) has comparatively high rigidity. Consequently, the dip in the middle sound range can be reduced by a simple structure without forming, for example, a damping agent layer and a resin layer on the support member for a speaker vibrator.

Abstract: A loudspeaker configured to include a suspension system which maximizes performance. Materials of the suspension system are selected for ease and effectiveness of manufacturing.

Abstract: An apparatus is described with a body having a front side and a rear side. A display is disposed on the front side of the body. Further, there is provided a retractable stand moveable between a compacted configuration and an expanded configuration, connected to the body. The retractable stand is configured to support the body, when the retractable stand is in the expanded configuration, in an orientation selectable from a group of supported orientations, the group of supported orientations including at least two different orientations with a difference of 90 degrees from one orientation to another orientation. The retractable stand is compactable to conform to the generic shape of the body and out of the way when not needed so as to provide good portability.

Abstract: A universal speaker horn assembly includes a speaker horn sized and shaped to fit into a four inch deep space and connectors which are adjustable to such an extent to permit the speaker horn to be mounted to substantially any site, regardless of desired speaker position and building construction material. A grille press-fits to the front of the horn and a trim ring hides connectors from an optional trim plate to an optional back box. Speaker controls can be accessed from the rear or front of the system.

Abstract: In some embodiments, a subwoofer enclosure includes a substantially triangular first face, second face, third face, and fourth face, a first corner at an intersection of the first, second and third faces, a second corner at an intersection of the first, second and fourth faces, a third corner at an intersection of the first, third and fourth faces, a fourth corner at an intersection of the second, third and fourth faces, wherein an angle between the first corner and a midpoint between the third corner and the fourth corner, having the second corner as its vertex, is substantially ninety degrees, wherein an angle between the third corner and the fourth corner, having the second corner as its vertex, is substantially ninety degrees, and a subwoofer driver attached to the third face, having a free air resonant frequency less than one hundred Hertz.

Abstract: An adaptive use of recessed lights cans for retrofitting various types of light fixtures. For example, a recessed light could be retrofitted as a junction box. In other embodiments, the recessed light could supply power for a speaker that includes a threaded power. Other electronic devices are contemplated that could be installed in a recessed light housing, including a battery backup light, a wireless repeater, a surveillance camera, a cellular phone booster, an infrared repeater, a fan, a wireless perimeter barrier, an alarm system, a sound machine, a web cam, an electronic pest control, a smoke detector, a carbon monoxide detector, an air purifier, a HVAC repeater control, a temperature monitor, a humidity monitor, a sound monitor, a photoelectric motion detector light, a photoelectric light sensor, and a hanging mobile.

Abstract: A wide dispersion speaker system 1 comprises a cone type speaker unit 2, and a restricting element 10A. The restricting element 10A is provided with a center hole 11 at a center section thereof, and a peripheral hole 12 located outward relative to the center hole 11. The restricting element 10A has an annular sound travel inhibiting portion 19 positioned radially outward relative to the center hole 11 and radially inward relative to the peripheral hole 12. An outer end in a radial direction of the sound travel inhibiting portion 19 is positioned at a substantially middle point between an outer end in the radial direction of the center hole 11 and an outer end in the radial direction of the peripheral hole 12 or positioned radially outward relative to the substantially middle point.

Abstract: One mode of the present invention provides an electroacoustic transducer composed of a multifaced diaphragm assembly and a multifaced speaker housing assembly that is housed inside the multifaced diaphragm assembly. The multifaced speaker housing is configured by combining the outer peripheral surface of a plurality of individual speaker drive units into a nearly spherical shell. The multifaced diaphragm assembly, which has thereinside the multifaced speaker housing assembly, is configured to have a plurality of regular pentagonal diaphragm segments that are combined together into a nearly spherical shape shell, and a plurality of speaker drive units opposing the diaphragm segments from inside in one-to-one relation. Each speaker drive unit has a bobbin, the one end portion of which is adhered to the center portion of the inner surface of each diaphragm segment.

Abstract: Disclosed is an enclosure for a communication device. The enclosure comprises: a casing for the communication device, the casing having a back side and a casing opening in the back side; a speaker mounted inside the casing and in communication with the casing opening; and a cover shaped to mate with and to cover the casing opening. The cover has: a central portion; a first rail protruding outwardly from a surface of the cover and located in the central portion; a second rail protruding outwardly from the surface and located in the central portion; and a speaker grill having an opening therein providing an air channel for the speaker.

Abstract: A cover for a speaker device having a sound producing portion and a structure for supporting the sound producing portion, the cover includes an opening and an internal cavity therein for receiving and enclosing the speaker device, a first portion capable of passing produced sound therethrough, wherein the first portion is formed to be disposed opposite the sound producing portion of the speaker device.

Abstract: An electronic device security container is taught which is used for storing valuable objects which consists of a console having electronic devices inside including a clock radio, a iPod® docking station, a fingerprint recognition biometric device and an electrical locking mechanism. A power supply provides electrical energy to the electronic devices housed within the console. An enclosure is attached to the console, which has a top opening lid, and a bottom storage container with a spring loaded hinge attached therebetween. An alternate embodiment is for a slide drawer opening security container differing only in the configuration of an enclosure which contains a sliding drawer under the console instead of the lid opening on the enclosure top.

Abstract: The present invention relates to a loudspeaker cover comprising a light guide arranged for receiving light from a light source, wherein the light guide comprises at least one hole to allow sound to be emitted through the cover, and wherein the at least one hole is arranged for dispersing the received light out of the light guide. The holes in the light guide may e.g. be cylindrical, conical, double-conical, or formed as grooves. The invention further relates to a loudspeaker housing comprising such a loudspeaker cover, and an electronic entertainment device comprising such a loudspeaker cover. In a preferred embodiment, the loudspeaker cover is positioned adjacent to a display. In case light is emitted that matches the contents being shown on the periphery of the display, this effect is even further enhanced in that the colors are perceived as leaking out of the display onto the loudspeaker cover. The effect of the dispersed light is a larger virtual display and a more immersive viewing experience.

Abstract: A shapeable framing element for the construction of panels comprising mounting means to affix said shapeable framing element to a substrate, said mounting means being divided into a plurality of mounting tabs defining a plurality of channels, thereby allowing said framing element to be shaped into curvilinear forms prior to being mounted upon said substrate. A shapeable element for attaching objects to a substrate.

Abstract: An electronic device (e.g., an imaging apparatus) is implemented to obtain excellent sound effects while miniaturization and slimming down are achieved. An electronic device (e.g., an imaging apparatus) has a casing; a sound emitting device that has a sound emitting portion and is provided inside the casing; a movable member provided to the casing to have a gap between the movable member and the casing; and a communicating portion that communicates between the sound emitting portion of the sound emitting device and the movable member inside the casing.

Abstract: A cooler with installed audio equipment is disclosed. The cooler is divided into two distinct and watertight compartments. One compartment is for traditional cooler use, for example, with iced beverages. This compartment may be wet, and has an internal drain to facilitate removal of water or other liquids. A second compartment is provided for audio equipment including speakers and an amplifier. A removable power supply also may be housed in the second compartment. The audio equipment may be supplied with an audio signal for a portable device, such as an mp3 player. The cooler is fitted with dual lids, one for each compartment. The cooler compartment lid may be opened while the audio equipment compartment lid remains closed, thus protecting the audio equipment from potentially damaging liquid. Conversely, the audio equipment compartment lid may be opened as desired without introducing warm air into the cooler compartment. The resulting device provides a portable cooler capable of producing high-end audio.

Abstract: A speaker structure includes a membrane, an electrode which has a plurality of holes, a frame holding member and at least one set of supporting members. The frame holding member forms an exterior shape of the speaker structure and holds the membrane and the electrode at two opposite sides. Each of the set of the supporting members has a geometric structure and is placed in a space opposite to a soniferous hole region between the electrode and the membrane, so as to prevent the membrane and the electrode from contacting.

Abstract: Front to back linear arrays of loudspeakers provide a sound field compressed both vertical and horizontally with the horizontal directivity patter exhibiting a cardioid shape. The problem addressed is improving the horizontal directivity of linear arrays. A linear array of bass units is placed behind a linear array of mid to high frequency range devices to improve horizontal directivity. The first and second linear arrays are placed back to front, oriented to radiate in a forward direction and spaced by a known distance “d”. The distance “d” may be selected to determine the degree of narrowing of the cardioid pattern sound field generated. Greater directivity is also achieved by adding additional linear arrays of bass units behind the second array. The upper frequency knee of the bass unit arrays must overlap the lower frequency knee of the mid/high-frequency unit array.

Abstract: Speaker assemblies are disclosed that are configured for simple installation and removal. Speaker assemblies include a gear ring, a plurality of screws adapted to rotate when the gear ring is rotated, and a latching mechanism adapted to extend one or more latches outward when the screws are rotated. Methods of installing speaker assemblies include inserting a frame through a mounting hole in a mounting panel. A gear ring coupled to a plurality of screws is rotated, and a plurality of latches extend outward to engage a back-side surface of the mounting panel. Methods of making speaker assemblies include coupling a plurality of screws with a gear ring to enable rotation of the plurality of screws upon rotation of the gear ring. A latching mechanism is coupled to each of the plurality of screws.

Abstract: The invention provides, in one aspect, a loudspeaker that has electrodynamically-driven piston mounted in one external wall and that has movable panels in one or more other external walls. Those panels are air-coupled to the piston, e.g., via air within the enclosure, such that vibrational motion of the piston causes the vibration of the panels, thereby, improving the overall air coupling of the piston to the external environment, e.g., the listening room. Further aspects of the invention provide an improved driver for use, e.g, in the aforementioned loudspeaker. The driver comprises a three-part piston having first and second diaphragms coupled back-to-back with one another and having a voice coil face-mounted (or front-mounted) within the second diaphragm.

Abstract: A loudspeaker system for the optimization of sound production so as to achieve limbic and cortical arousal, comprising a resistance-controlled (or partially mass-controlled) woofer system, a mass-controlled (or partially resistance-controlled) midrange system, and a resistance-controlled tweeter system. This system may further comprise crossover networks of a particular configuration. By use of unsymmetrical networks of low order, it is possible to obtain a complete system which exhibits flat delay response.

Abstract: The present invention discloses a sound converter with an enclosure which utilizes an outer space to expand a resonance space. The sound converter with the enclosure includes a frame being equipped with a magnetic circuit for forming a magnetic field in a predetermined gap, a voice coil at least partially positioned in the gap, a diaphragm adhered to the voice coil and inserted into a diaphragm seating portion of the frame, a protector formed at the upper portion of the diaphragm, and an enclosure case coupled to the frame, for defining the inner space of the enclosure which is the resonance space. A vent is provided at the enclosure case so that the inner space of the enclosure can communicate with the outer space. This configuration can secure a wide resonance space.

Abstract: An audio amplifier and speaker system are stacked and magnetically coupled together. The audio amplifier is coupled for receiving an audio signal. A first securing assembly is provided on a bottom surface of the amplifier. The first securing assembly may be a foot formed on the bottom surface of the audio amplifier. The speaker is electrically coupled to the amplifier. A second securing assembly is provided on a top surface of the speaker. The second securing assembly may be a receptacle formed in top surface of the speaker. The foot is inserted into the receptacle. The foot and receptacle are magnetically coupled to attach the amplifier to the speaker. The foot has a first electrical connector, and the receptacle has a second electrical connector mated to the first electrical connector to route the audio signal from the amplifier to the speaker.

Abstract: A device for housing a sound-emitting transducer including a housing and a cap. The housing has a chamber defined by a cylindrical sidewall and an endwall with apertures. The cap mounts to the housing, and has apertures that can register with the apertures in the endwall. A groove is formed between the cap and teeth formed at its circular outer periphery. The cap's circular lip is inserted into the groove by deforming the cap slightly. Thus, relative movement is permitted between the cap and housing for registering and de-registering the apertures on the cap and housing. This controls the volume of the sound-emitting transducer.

Abstract: A speaker device including: a first speaker; a second speaker opposed to the first speaker; a speaker box housing the first speaker and the second speaker; a coupling portion which couples the first speaker and the second speaker to each other; and a vibration-transmitting chamber provided between the first speaker and the second speaker, in which the vibration-transmitting chamber communicates with an opening portion formed in the speaker box.

Abstract: In accordance with the invention is disclosed a portable speaker of exceptionally low bulk yet very good performance which incorporates a non-homogeneous enclosure shape consisting of two main parts, one shallow box-shaped housing section and one cylindrical housing section, and incorporating retractable legs for support of the housing on the ground or table on which it is placed during its operation. A much larger loudspeaker than would be otherwise possible can then be used in an enclosure of very small bulk. The box-shaped housing section is dedicated to housing only the frame/basket and concentric diaphragm of the speaker, which, together generally comprises only half the speakers total length where the other half of the speakers length, the magnet assembly, is enclosed by the cylindrical section.

Abstract: In a communication device (1) that is designed to deliver sound, in an against the-ear mode, into a space (22) bounded by the ear and, in an away-from-the-ear mode, into an acoustic free space, a loudspeaker (3) is provided for generating the sound and a holding device (2) is furthermore provided, which holding device (2) comprises a first holding-device region (16) via which, in the against-the-ear mode, the sound generated by the loudspeaker (3) can be delivered without hindrance by the ear and which holding device (2) comprises a second holding-device region (15A) that does not comprise the first holding-device region (16) and via which, in the against-the-ear mode, the sound generated by the loudspeaker (3) can be fed to the space (22) bounded by the ear and a first sound-conveying device is furthermore provided with whose aid the sound generated by the loudspeaker (3) can be conveyed, in the away-from-the-ear mode, through the first holding-device region (16) into the acoustic free space, and a second so

Abstract: A loudspeaker system for the reproduction of acoustic waves of music, sound and speech in a substantially circular horizontal plane. The loudspeaker system includes multiple spherical enclosures, each enclosure housing a pair of transducers, each pair of transducers producing acoustic waves of a predetermined frequency range.

Abstract: There is provided a portable storage container with cable management functionality, including: a case constructed from a rigid material with a first extent and a second extent in an adjacent relationship therewith, the first and second extent each defining an interior space for the placement of at least one speaker driver in at least one extent, the at least one speaker driver being connected through a cable with a connector, rear portions of the first and second extent being pivotally coupled together, at least one extent having an extended rim along an edge of the interior space, the rim defining a groove along the edge of the interior space, the groove being used for aligning the cable, and a fastener for fastening edges of the first and second extent. The fastener may feed the cable into the groove when fastening the edges of the first and second extent. A corresponding method for managing at least one cable in a portable storage container is also disclosed.

Abstract: A flat panel display with detachable anti-vibrate speaker includes a speaker body with a front bezel attached at least one speaker driver, a rear bezel and a middle frame. The middle frame with a bottom positioning hole is made of an elastic material and situated between the front bezel and the rear bezel, and an elastic rib is formed on an inner surface of the middle frame to separate and to be against the front bezel and the rear bezel. A stand includes a positioning structure and a top surface groove. The positioning structure is assembled inside the top surface groove and is blocked by a blocking member fixed on an upper surface of the top surface groove. An elastic member is situated in the bottom of the top surface groove and a positioning member with a round top is located between the blocking member and the elastic member and is pushed to fit the positioning hole by the elastic member.

Abstract: A multi-zone audio system is provided that is portable to a handheld audio device at a plurality of locations. The system includes a multi-zone audio system controller having an audio input/output selection circuit for selectively regulating the source and distribution of audio signals. A plurality of handheld connector docks are distributed about the multi-zone system. Each connector dock is in communication with the audio system controller. The connector docks include a connector port, engagable to the handheld device, for communicating music/data/commands between the handheld device and the system controller. A plurality in-wall audio controllers are also distributed about the multi-zone system. Each in-wall controller is in communication with the audio system controller, and includes an input circuit for selective input of commands to regulate operation of the system controller and/or the handheld device.

Abstract: An enclosure for a magnetic speaker of a wireless device is provided. The wireless device has a display mounted in a case and a transparent cover mounted over at least the display. The enclosure comprises: an upper surface of the display at least partially spaced from a lower surface of the transparent cover to form at least a portion of an enclosed back-volume formed within the case for the magnetic speaker, the magnetic speaker being mounted proximate to the enclosed back-volume, and at least one of the transparent cover and the case having an opening formed therein for emitting sound from the magnetic speaker.

Abstract: The present invention is directed to a support fixture suitable for mounting on an underlying support structure such as a speaker box, and consists of a support platform having a fixed depending wall along one side edge thereof, and a bracket supporting a moveable wall opposed to the fixed wall. The top surface of the support platform is provided with a bridge having a slot formed thereunder, and an upstanding tube spaced from the bridge mounted thereon. The base of the upstanding support tube has opposed slots which are in horizontal registry with the slot in the bridge. A rod is provided which moves under the bridge slot and the opposed upstanding tube slot, a rod provided with a moveable wall. The support fixture is mounted upon and underlying support structure such as a speaker box by interposing a speaker box between a fixed depending wall, and the moveable support plate, and locked into position by lock means.

Abstract: A loudspeaker mounting assembly for mounting a loudspeaker in an isolated relation to a structure includes an enclosure and a plurality of interface elements composed of a vibration-damping material. The enclosure has an interior for receiving the loudspeaker and includes at least two spaced-apart support members. Each of the at least two support members includes a support member outer surface and an inner surface extending from the support member outer surface into the support member. The inner surface defines a support member bore. Each interface element includes an interface element outer surface. Each interface element is disposed in a corresponding one of the support member bores and at least partially extends out from the respective support member outer surface, where each interface element outer surface contacts the respective inner surface of the support member.

Abstract: A modular loudspeaker device installable in a computer drive bay is provided, which turns a multimedia loudspeaker into a standardized device. The modular loudspeaker device, which matches a 5.25-inch drive bay of a case of a personal computer, can be disposed and secured in the 5.25-inch drive bay and connected with power and audio signals, so as to serve as a multimedia audio output device of the personal computer.

Abstract: A speaker includes a casing, a sound emitting portion, a conductive coil received in the casing, and a circuit board. The casing includes a side wall. The sound emitting portion received in the casing includes a diaphragm including a first end fixed to the casing and an opposite second end. The conductive coil includes a front end fixed to the side wall, and a rear end fixedly connected to the second end of the diaphragm. The circuit board includes an audio processing module, a charging module and a controlling module. The audio processing module is configured for receiving an audio signal and controlling the conductive coil to vibrate in response to the received audio signal. The charging module is configured for electrifying the conductive coil using alternating current. The controlling unit is configured for selectively connecting the conductive coil to the audio processing module electrically or to the charging module.

Abstract: An audio playback apparatus and a stand for a display apparatus include frame members, speakers attached to the frame members, a baffle plate for the speakers, and baffle panels attached to the frame members. Further, the baffle panels are attached to the frame members such that the baffle panels and the baffle plate are substantially in the same plane.

Abstract: A system for mounting a component in an aperture of a supporting surface has a mounting flange surrounding the component to be mounted, and at least two clamp dogs attached to the mounting flange and located adjacent a rear surface of the mounting flange. The component is inserted into a mounting hole cut in a sheet rock surface or ceiling tile, so that the flange abuts the front face of the surface. The clamping assemblies are located on the rear face of the surface. There is a pivoting system for pivoting the clamp dog around an axis. The pivoting system is operable from both the front surface and the rear surface of the mounting flange so that the clamp dogs can be actuated from either side of the sheet rock or ceiling tile.