Abstract: Embodiments of the present invention comprise a battery charging jobsite audio unit that is particularly useful at construction and other jobsites are disclosed which provides important desirable features and functionality comprise a housing, at least one charger for charging a removable battery pack, an audio unit that includes a speaker system for providing substantially 360° sound, as well as subwoofer, a cord and plug for connecting the unit to a source of AC power, and circuitry for selectively applying power to the audio unit and the charger. The preferred and alternative embodiments also preferably have a unique protective frame structure that is connected to the housing of the unit.

Abstract: Disclosed herein is a speaker system unit with a cone type vibration plate, a horn and a diffuser. The horn is disposed such that a small-diameter opening thereof is positioned inward from a front opening of the vibration plate, and an outer surface of the horn is arranged along an inner surface of the vibration plate to form a first acoustic path. The diffuser has a base portion, a front end portion and an outer peripheral surface extending therebetween, and is disposed such that the base portion is positioned inward from a front opening of the horn, opposite the small-diameter opening of the horn. The diffuser has a specific shape such that the outer peripheral surface expands along an inner surface of the horn to form a second acoustic path and then narrows toward the front end portion of the diffuser.

Abstract: A speaker system includes a body unit, a front panel slidably coupled to a front surface of the body unit, a first speaker unit that is provided on the front surface the body unit to output sound, and a second speaker unit that is provided on a rear surface of the front panel to output sound.

Abstract: Provided is a tweeter (e.g., a pop-up tweeter) which includes a speaker 120 provided at the top of a cylindrical casing 100. A driving unit 110 is inserted into the casing 100 and configured to move the speaker 120 upward and downward. Additionally, a cover unit 121 is provided at the top end of the speaker 120 and configured to have an illumination unit 122 formed therein to emit light from the tweeter. The pop-up tweeter is configured to have the opening and closing structure within a vehicle, thereby improving user convenience. Furthermore, an external design of the pop-up tweeter can be improved through the emission of illumination.

Abstract: This invention relates to a line-array loudspeaker that is configurable to meet the acoustic requirements of a venue. In one embodiment, the line-array includes a combination of far-field and near-field loudspeaker modules which are selectively fixedly connected to each other. Each module includes a first loudspeaker element and a second loudspeaker element. Each of the first and second elements includes a high-frequency transducer assembly and a low-frequency transducer assembly. The far-field modules and the near-field modules are fixedly connected using a rigging system to provide a smooth and continuous transition from a first splay angle to a second splay.

Abstract: An object of the present invention is to provide a speaker system in which a woofer and a group of tweeters are substantially coaxially arranged, and sound waves emitted from the woofer and sound waves emitted from the tweeter are less likely to interfere with each other in at least one direction, and whose sound pressure frequency characteristics easily stabilize. A speaker system according to the present invention includes a woofer and three or more tweeters, and the tweeters are arranged in front of the woofer in a circular-arc formation.

Abstract: A speaker module for a portable terminal is provided. The speaker module includes an upper case constituting a part of a module housing, a speaker unit, including a magnetic body, a voice coil and a vibration plate, formed in the upper case and a vibration motor, which is installed in the upper case and on one side of the speaker unit. The speaker module as structured above can secure a sufficient sound pressure and a sound volume in a portable terminal having a slim construction, makes it easier to secure space for installation within a portable terminal having a small size and slim construction in such a manner that a vibration motor, etc. are received and integrated in a module housing, and can improve the quality of sound in a portable terminal by achieving improved smoothness of output sound pressure in an audio frequency range.

Abstract: A display device includes a display, and a pair of sound boxes. The sound boxes are adjustably fixed to the display via at least two fixing members.

Abstract: A speaker cabinet includes at least one speaker contained in the speaker cabinet, and a speaker covering shrouding the at least one speaker, wherein the speaker covering is movable to expose the at least one speaker. The speaker covering motion may be automatic and provided by an electromechanical motion control system including at least one electric actuator and at least one electric actuator drive circuit. The automatic speaker covering motion may be activated by the electromechanical motion control system in response to an audio signal received by the speaker cabinet.

Abstract: In an electronic device, a speaker attaching section 17 which is vertically open with respect to a circuit board 10 and into which a speaker 16 is press-fitted is integrally formed on a contact sheet 13 arranged on the circuit board 10 provided inside an upper case 8. Therefore, the speaker 16 can be easily attached in a manner that sound therefrom does not leak, simply by the speaker 16 being press-fitted into the speaker attaching section 17 of the contact sheet 13. Accordingly, in the present invention, the structure of the speaker section 6 is simple and the number of its components is small, whereby the thickness of the speaker section 6 can be reduced. In addition, sound generated by the speaker can be favorably and reliably emitted from the speaker attaching section 17 to the outside of the upper case 8, without chattering noise being generated.

Abstract: The present invention relates to a pop-up tweeter. In particular, the pop-up tweeter includes a casing, a driving unit inserted into the inside of the casing. The driving unit is configured to be movable upward and downward within the casing along with a speaker. The pop-up tweeter is installed within a vehicle and is configured to have an opening and closing structure which advantageously improves user convenience and provides an external design of a speaker with increased merchantability.

Abstract: A speaker includes a holder forming a hollow space, a magnetic system received into the hollow space and defining a magnetic gap, an elastic plate assembled with the holder and defining a first surface and a second surface opposite to the first surface, a diaphragm defining a dome part connected with the first surface of the elastic plate and an edge part connected with the second surface of the elastic plate, and at least a coil defining an end suspended in the magnetic gap and an another end connected with the dome part. The edge part defines an arcuate portion depressed toward the magnetic system.

Abstract: A speaker system includes a cabinet, at least one speaker unit fixed to the cabinet, and a gas adsorbent which is situated inside the cabinet and which is made from a porous material. The speaker unit is configured with moisture-proof component parts. In the speaker system, a tubular structure which has a tubular hollow allows ventilation between an inside and an outside of the cabinet. A resonant frequency which is determined by an acoustic impedance of the tubular structure and an acoustic impedance of the cabinet is lower than a minimum resonant frequency of an acoustic impedance of the speaker system.

Abstract: A speaker includes a box-shaped enclosure, a speaker unit and a sounding board. A pair of side plates, a bottom plate, a top plate, a back plate and a baffle are assembled into the enclosure. The speaker unit is attached to an opening portion of the baffle. The sounding board is attached to the bottom plate, and includes a member having a fiber direction in a vibration direction of a vibrating plate, a member having a fiber direction in a direction which approaches the side plate (of the front side) as extending from a side of the back plate to a side of the baffle, and a member having a fiber direction in a direction which approaches the side plate (of the back side) as extending the side of the back plate to the side of the baffle.

Abstract: At least one exciter is used to produce sound for a flat panel display. The exciter vibrates the housing for production of sound. The housing may also include a plate mounted on the front surface of the housing and the exciter may be attached to the plate, which serves as a resonance plate.

Abstract: A speaker system includes a circuit board and a speaker device disposed on the circuit board. The speaker device includes a speaker unit for generating an audio output, and an antenna directly mounted on the speaker unit for radiating and receiving radio waves.

Abstract: An example vehicle instrument panel includes a speaker for producing alert and warning sounds. A membrane prevents water from intruding into the speaker assembly and instrument panel. The membrane is spaced apart from the speaker and over an open end of the speaker housing. Sound energy from the speaker travels through an open space against the membrane. The membrane possesses acoustic properties to receive and pass on the sound energy.

Abstract: Portable computer structures are provided. The portable computer structures may include speaker grill structures. A speaker grill structure may be formed by creating an array of small holes (perforations) in a portable computer housing structure such as a planar housing wall. A speaker may be mounted adjacent to the array of holes. The planar housing wall may be formed in a block of milled aluminum and may have a thickness of less than 1 mm. The speaker holes may have with small diameters without overly attenuating sound from a speaker.

Abstract: The invention provides a system for enabling the assembly and suspension of a plurality of loudspeakers in a line array where the splay angle between the adjacent speakers can be adjusted and rigidly maintained. The line array system utilizes rigging frames that allow for the coupling and supporting of the loudspeakers through the use of adjustable hinge bars. The rigging frames and adjustable hinge bars together form and rigidly maintain the splay angles between adjacent loudspeakers and correspondingly the curvature of the line array speaker assembly.

Abstract: An electronic device suitable for disposing on a resonating surface is provided. The electronic device has a housing and a resonating speaker. The housing is disposed on the resonating surface. The resonating speaker is assembled onto a bottom of the housing and the resonating speaker contacts the resonating surface.

Abstract: A speaker system includes an enclosure, a first speaker unit for low frequency and a plurality of second speaker units for high frequency. The enclosure includes a front plate portion which is a baffle plate and a rear plate portion. A length of the rear plate portion in a first direction perpendicular to a forward and backward direction is shorter than a length of the front plate portion in the first direction. The first speaker unit and the second speaker units are mounted to the front plate portion. The plurality of second speaker units are arranged in the first direction. Vibration plates of the plurality of second speaker units are located in the vicinity of the front plate portions in the forward and backward direction.

Abstract: The present invention is to provide a detachable loudspeaker structure including a loudspeaker, a circuit board, a housing and a signal connector, wherein the circuit board is electrically connected to the loudspeaker and the signal connector, the housing forms a receiving space therein for receiving the loudspeaker and circuit board and has a top surface provided with a receiving groove, and the signal connector has one end pivotally connected inside the receiving groove so as for the other end of the signal connector to be rotated out of the receiving groove and connect with an audio output port of a display. Hence, the loudspeaker structure is not only able to be easily installed together with the display for reproducing audio signals received from the display, but also able to firmly support the display on a flat surface of an object (such as a table), wherever desired without spatial limitations.

Abstract: A speaker applicable to various electronic devices includes a speaker body including a magnet and a diaphragm having a voice coil interacting with the magnet, the magnet and the diaphragm being sequentially received therein; at least one main hole defined through a rear surface of the speaker where a speaker sound is not output, such that air generated in the speaker according to vibration of the diaphragm is discharged therethrough; and at least one auxiliary air hole defined through a predetermined location of a side surface of the body to communicate with an inside of the body, such that air within the speaker is additionally discharged therethrough.

Abstract: An acoustically resistive protective cover assembly for an opening in a casing is provided, the casing separates an enclosed space from the ambient space and has an exposed face oriented toward the ambient space and an internal face oriented toward the internal space. The cover assembly comprises an acoustically resistive porous material disposed upon the exposed face of the case and an acoustically resistive water repellant material disposed upon the internal face of the case.

Abstract: An earphone includes an earphone casing inside which a sound path that guides sound to a sound discharging hole is formed, and an acoustic transducer disposed inside the earphone casing. The acoustic transducer includes an accommodation casing having accommodated therein a yoke on which paired magnets disposed so as to face each other are mounted, a coil to which a driving current is supplied, an armature provided with a vibrating part vibrating when the driving current is supplied to the coil, the vibrating part being disposed between the paired magnets, and a diaphragm coupled to the vibrating part of the armature, a sound output hole is formed on a surface that faces a vibration surface of the diaphragm in the accommodation casing, and the acoustic transducer has the sound output hole disposed in the earphone casing so that the sound output hole is acoustically coupled to the sound path.

Abstract: An electronic device of the present invention has a configuration in which an enclosed space is formed continuously from an opening face of a cone portion of a speaker on a reverse side of a main face of a flat housing, and an opening portion of the enclosed space is formed in a face not parallel to the main face of the housing, whereby even when a reduction in diameter of a speaker is inevitable and there is a limit to a space volume for housing the speaker due to the downsizing of the device, sound information can be reproduced with higher quality.

Abstract: An audio system utilizes a method for detecting and adjusting a sound field effect thereof. The audio system includes a first speaker and a second speaker. The first speaker is used to emit a first sound signal, and the second speaker is used to emit a second sound signal. The method for adjusting the sound field effect includes the steps of detecting a specific position and adjusting the first speaker or the second speaker based on the specific position to focus the first sound signal and the second sound signal on the specific position.

Abstract: An electronic device having an enclosure including an upper panel and a bottom panel operably connected to the upper panel. A transducer is operably connected to the enclosure and the transducer is configured to mechanically vibrate the enclosure. The transducer includes an electromagnet, a magnet in communication with the electromagnet and a bracket substantially surrounding the electromagnet and the magnet, the bracket substantially secures the transducer to the bottom panel.

Abstract: A flat-panel speaker is attached to an exterior surface of a printed circuit board (PCB) housed within a consumer electronic device. Rather than place the flat-panel speaker within a sealed speaker box and then attach the speaker box to the PCB, as is conventional, the present invention attaches the flat-panel speaker to the exterior surface of the PCB without the speaker box. Removing the speaker box allows designers to reduce the dimensions of the device, and to minimize the complexity of the device.

Abstract: An acoustic speaker module of a portable electronic device includes an acoustic housing, an acoustic speaker, a chip card and an elastic member. The acoustic housing has an accommodation space, a first opening and a second opening. The acoustic speaker is seamlessly connected with the first opening. The chip card is disposed at the second opening. The elastic member and the chip card are disposed at the second opening to make the accommodation space to form a hermetical space.

Abstract: A speaker (10) includes: a speaker unit (20); a passive radiator (50x) in front of the speaker unit (20); and a cabinet (30) storing the speaker unit (20) to cover a rear space behind the speaker unit (20) to seal a space (30x) between the speaker unit (20) and the passive radiator (50x). An effective piston area (50L) of the passive radiator (50x) is larger than an effective piston area (20L) of the speaker unit (20).

Abstract: A speaker assembly arrangement for a vehicle is provided that includes a speaker unit including a speaker cabinet defining a first volume and a body part of a vehicle including a hollow member defining a second volume. The speaker cabinet is acoustically coupled to the hollow member by a press-fit coupling having a press-fit direction and mounted on the body part by at least one fastener having a fastening direction substantially perpendicular to the press-fit direction. The body part comprises a first guide arranged and configured to slidably engage with a second guide arranged on the speaker cabinet so that force on the speaker cabinet in the fastening direction is at least in part redirected to the press-fit direction by the slidable engagement of the first guide and the second guide.

Abstract: A speaker device may include a substrate, a membrane above the substrate, and an electrode above the membrane, a plurality of first supporting members, and a plurality of second supporting members. The second chamber is enclosed between the membrane and the substrate, and the first chamber is enclosed between the electrode and the membrane. The first supporting members are provided in the first chamber space and may space the membrane apart from the electrode. The second supporting members are provided in the second chamber space and may space the membrane apart from the substrate.

Abstract: A loudspeaker system for an aircraft cabin for passengers has a support structure, which includes multiple flexible flat elements, forming the internal walls of the cabin, and fastening devices for fastening flat elements to the support structure, so that the flat elements may oscillate. At least one acoustic driver is connected to one or more flat elements, to induce a bending movement in the one or more flat elements. The particular flat element may oscillate as an acoustic diaphragm. The acoustic driver has a film-shaped piezoelectric exciter, which is bonded flatly to the flat element. The flat element bonded to an exciter has a first cover layer, a second cover layer, and a core layer between them. The core layer is subdivided in a plane parallel to the first and second cover layers by a horizontal incision in at least one predefined area.

Abstract: A cradle apparatus includes a casing, a mounting unit provided to the casing so that an electronic device is mounted thereto, and a speaker provided only to a bottom portion of the casing and having a downward vibration plate which emits a sound supplied from the electronic device mounted to the mounting unit.

Abstract: The present invention discloses a flat panel display with sliding loudspeaker structure. The flat panel display comprises a display body, a sliding rail, and a sliding loudspeaker portion. The loudspeaker portion comprises a loudspeaker body, a sliding member and a connecting portion. By the matching structure of the sliding member and the sliding rail, the effect of allowing a user to freely adjust the loudspeaker body to different positions can be achieved. Besides, by further using the pivot of the loudspeaker body, the present invention allows the user to freely adjust the loudspeaker to different angular positions. Therefore, the problems of an immovably fixed loudspeaker position and angularly non-adjustable loudspeaker sound field on a conventional display are solved.

Abstract: A loud speaker group includes loud speakers which are equipped with joints on their front sides, and on their back sides, each is equipped with a mount for connectors with which the individual loud speakers can be connected to one another. For facilitating their assembly, the mount comprises two legs that are attached to the back side of the loud speaker box and enclose a channel in which the connector is displaceably movable. At its one end the mount has a row of holes for receiving a pin that extends through a hole on one end of a connector belonging to the adjacent loud speaker box and has at its other end a manually actuated spring-loaded snap-in pin. The snap-in pin is insertable through another hole disposed in front of the other end of the connector. One guide unit on each side of the snap-in pin limits the channel and are arranged perpendicular to the direction of movement of the connector and form guides for the connector.

Abstract: A speaker system has a laterally extending body portion for supporting the back of the head of a user and a pair of right and left side portions respectively connected to the right and left ends of the body portion. A plurality of openings in side wall of each of two speaker boxes for making communication between the inside and the outside of each speaker box, for preventing sound leakage from each speaker unit and ensuring the sound pressure level in a low-frequency range of the audio frequencies reproducible by the speaker unit.

Abstract: A speaker assembly includes a frame and a surround that suspends a diaphragm from the frame. An outer portion of the surround is disposed, dimensioned, and configured to permit the mounting of the surround to the frame such that the surround, itself, does not need to include an outwardly extending flange and/or clamp. Rather, the outer portion of the surround is generally disposed on the frame, with the mounting surface of the outer portion of the surround extending inward relative to the outer periphery of the surround.

Abstract: A sound system which has, for example, a radio, a cassette and a CD player is usually already installed in cars as standard or as an option. In addition, a better sound system includes a box system which has a tweeter and a woofer. In order to provide a speaker box which is suitable particularly for dispensing frequencies below 150 Hz and at the same time has neat pulses accompanied at the same time by little distortion, pulse dynamics and is highly effective, a sound transducer (10) is introduced into the supporting structure of the vehicle. This takes place in such a manner that subcompartments which are separated from each other adjoin each of its two membrane sides. In this case, the two subcompartments of the speaker box are formed by at least two elements (2, 3, 4) of the supporting structure of the vehicle (1).

Abstract: The invention involves a system and method for securing one or more loudspeakers to an overhead structure. The system includes up to six axes about which the speaker(s) can be rotated and/or traversed to provide the desired pan, tilt and rotational splay angle to the speaker.

Abstract: A speaker assembly includes a frame and a surround that suspends a diaphragm from the frame. An outer portion of the surround is disposed, dimensioned, and configured to permit the mounting of the surround to the frame such that the surround, itself, does not need to include an outwardly extending flange and/or clamp. Rather, the outer portion of the surround is generally disposed on the frame, with the mounting surface of the outer portion of the surround extending inward relative to the outer periphery of the surround. A reinforcement member is cooperatively structured with the surround to reinforce the surround during operation of the speaker assembly. The reinforcement member has a ringed configuration that includes a plurality of offsets each structured to facilitate attachment of the reinforcement member to the frame.

Abstract: A low profile miniature speaker configured for use in greeting cards such as sound generating greeting cards and other novelties. The thickness of the speaker is minimized while maintaining the sound quality and increasing strength. The speaker magnet is counter-sunk into the housing of the speaker, thereby decreasing overall thickness. The speaker is configured with concentric ribs that radiate outward from the center of the circular speaker. The ribs reinforce the plastic housing and increase the structural strength of the speaker.

Abstract: A device to transmit an audio signal to a user may comprise a mass, a piezoelectric transducer, and a support to support the mass and the piezoelectric transducer with the eardrum. The piezoelectric transducer can be configured to drive the support and the eardrum with a first force and the mass with a second force opposite the first force. The device may comprise circuitry configured to receive wireless power and wireless transmission of an audio signal, and the circuitry can be supported with the eardrum to drive the transducer in response to the audio signal, such that vibration between the circuitry and the transducer can be decreased. The transducer can be positioned away from the umbo of the ear to drive the eardrum, for example on the lateral process of the malleus.

Abstract: An electronic device (20) includes a main board (32), a protective panel (24) defining a main bore (24a), a receiver (28) and a housing (22). The protective panel is joined to an upper portion of the housing, and the housing is joined to the main board to form a chamber receiving the receiver. The housing defines a first opening (22a) corresponding to the main bore of the protective panel. The receiver and the main bore are angled relative to each other such that the main bore is partially overlapped by the receiver to form at least one secondary bore (36) on the main bore.

Abstract: A portable system for an outdoor umbrella includes a portable housing, a detachable locker, and an audio device. The portable housing includes a first housing body and a second housing body defining a mounting slot for a shaft of the outdoor umbrella fitting therewithin. The detachable locker includes a first locker provided at the first housing body and a second locker which is provided at the second housing body and is releasably locked with the first locker so as to detachably lock up the second housing body with the first housing body. The audio device includes a speaker supported in the first housing body and an audio input operatively coupling with the speaker such that when the audio input sends an audio signal to the speaker, the speaker is adapted for producing audio sound as an additional function for the outdoor umbrella.

Abstract: A speaker apparatus arranged in a predetermined casing includes a speaker unit disposed at a predetermined position in the casing, a speaker grill section whereto sound output holes are provided, and the speaker grill section being disposed on the front of a sound output surface locating at the position of the speaker unit in the casing, while a predetermined distance is kept from the speaker unit, a first front air chamber which is disposed between the speaker unit and the speaker grill section in the casing, and separated from other sections in the casing, and a second front air chamber extending from the first front air chamber on the front of the speaker unit.

Abstract: A method for fabricating flat loudspeakers comprising manufacturing a flat loudspeaker including at least one microspeaker array, having first and second main surfaces; and covering at least one of the main surfaces of the loudspeaker with a cover member including an airtight sound-pressure wave transparent thin polymer film.

Abstract: A battery pack with reduced magnetic field emissions includes a plurality of cells (1301,1302) coupled electrically together by a first electrical conductor (1307) and a second electrical conductor (1308). The first electrical conductor (1307) couples positive terminals (1305,1306) to a terminal block (1311), while the second electrical conductor (1308) couples the negative terminals (1303,1304) to the terminal block (1311). Each cell (1301,1302) contains an asymmetrical internal electrode construction (1313,1314) having electrical tabs (502,503) coupled to a cathode and anode. The cells (1301,1302) can be arranged with their corresponding asymmetrical internal electrode constructions (1313,1314) oriented in different directions to reduce magnetic field emissions. The first electrical conductor (1307) and second electrical conductor (1308) can be routed such that magnetic fields generated by discharge currents tend to reduce other magnetic fields produced by other components within the battery pack.

Abstract: An electronic device (100) having a speaker (30) located in a sealed and separate speaker enclosure is described. The electronic device includes a housing (20), a circuit board (70), a cover (60), and two connecting bodies (50). The housing includes a cavity (22) defined therein for receiving the speaker. The circuit board is electrically connected to the speaker. The cover has through holes (622) defined thereon and is disposed between the housing and the circuit board. In addition, one end of the connecting bodies connects to the speaker, and the other end of the connecting bodies is configured to resist the circuit board via the through holes to electrically connect the speaker and the circuit board.