Abstract: A speaker stacking structure includes a speaker, the speaker having two bearing walls at two sides of the speaker cabinet thereof, a plurality of locating blocks respectively symmetrically fastened to the bearing walls of the speaker, each locating block having a plughole, and a plurality of fastening members insertable into the plugholes of the locating blocks to join two speakers in a stack.

Abstract: A speaker box mounting structure includes a panel provided with a plurality of speaker mounting bosses, and a speaker box provided with a plurality of lugs. An engaging projection projects from each of the bosses. The engaging projection has an enlarged engagement head which is expansively and contractively deformable. An annular elastic damper is retained by each of the lugs. The elastic dampers is fitted over the engaging projection between each boss and the enlarged engagement head for fixing the speaker box to the panel.

Abstract: The invention is an modified audible signal, such as a piezoelectric noise-making and audible signaling device, which further includes a hydrophobic covering material, such as polytetrafluoroethylene (PTFE). The hydrophobic covering material is known to be water resistant, but does not effect the sound of the audible signaling device, thereby delaying or preventing the failure of the audible signaling device from water corrosion.

Abstract: A speaker for vehicle has a weight mounted on the backside of a magnetic circuit of a speaker unit. The weight includes a weighting part having a shape in which the thickness in an axial line of the speaker unit is made small and the diameter in a direction perpendicular to the axial line is extended. The outer diameter of the weighting part is made longer than that of the magnetic circuit. The weighting part has a peripheral edge extending forward in the axial direction to cover the outer periphery of the magnetic circuit at least partially. Where a frame of the speaker unit is provided with an opening, the weight is designed to have a shape and position so as not to face the opening.

Abstract: Loudspeaker mounting apparatus that permits mounting of a loudspeaker at an angle to a mounting surface. In one embodiment the apparatus comprises an assembly that includes a frame member that is flush mountable in a cutout in the mounting surface. The frame member includes an angled flange that is employed for the mounting of a cooperative baffle. The front of the baffle is recessed behind the mounting surface to permit a flush speaker installation. The baffle mounts to the angled flange of the frame member in one of two possible predetermined orientiations so as to disperse sound around a centerline that is either oriented normal to the mounting surface or at a predetermined angle from normal corresponding to the degree of angle incorporated into the frame and baffle assembly.

Abstract: A portable multi-function device includes a housing and a cover. The housing includes an interior housing and an exterior housing connecting to each other. The interior housing has at least a hub having audio units. Recess parts are located on the upper side of the interior housing for placing the audio units. The exterior housing has a storage box. Terminal ends on side of the storage box connect correspondingly to each of the audio units for placing a data process device in the storage box. The cover is mounted on a side of the housing. A connector is installed at another side of the housing corresponding to the cover to lock and unlock the housing. The cover has holes corresponding to each of the recess parts on the upper side of the interior housing. Whereby, each of the audio units is portable and easy for storage.

Abstract: A wearable communication device includes a bone conduction actuator which is applicable for being in contact with a user's wrist, hand, back of the hand, finger or nail in order to transmit voice signals. The user inserts the user's finger into the user's ear canal, or touches the user's finger to a part near the user's ear, or puts the user's fingertip or nail on the user's ear canal so as to block the user's ear canal when the user uses the wearable communication device.

Abstract: This invention is directed a combination of a speaker base and a mounting bracket that secures a speaker enclosure to either a horizontal surface or a vertical surface. The mounting bracket may be adapted to couple to a wall and releasably to the speaker base. The speaker base may be adapted to pivotally couple to the speaker enclosure so depending on whether the speaker base is mounted onto wall or table, the speaker enclosure may be pivoted into a desired position.

Abstract: A tweeter with a light, thin sandwich plate which can be excited into multiple reflected bending waves, and a driver which makes a vibrating contact and excites the sandwich plate, where the driver is designed for higher sound frequencies and the sandwich plate for propagating bending waves with low damping. The sandwich plate is freely carried with low damping by holding elements, where the latter are designed to be low damping at higher sound frequencies.

Abstract: A loud speaker according to the invention is mountable within a receptacle. The loudspeaker includes a magnetic driver and a diagragm mounted to a frame. The froame includes a mounting member extending from a surface of the frame behind the flange plane. The mounting member is engagable in a notch formed in the receptacle for securing the speaker within the receptacle. The loudspeaker enclosure has perforated layer shaped to define its inner volume. A honeycomb layer surrounds that perforated layer; and semi-rigid layer surrounds the honeycomb layer and forms the exterior wall.

Abstract: A coupling structure of a signal converting apparatus comprises: a frame having at least two coupling protrusions horizontally formed at an outer circumference thereof; a coupling member for coupling the signal converting apparatus; and a cylindrical coupling body being formed at an upper face of the coupling member and having horizontal and vertical cuts in a certain shape to correspond to the coupling protrusions wherein the coupling protrusions are inserted into a cylindrical coupling body of the coupling member, is rotated by a selected angle and is latched on the vertical and horizontal coupling grooves of the cylindrical coupling body such that the coupling member is integrally coupled to the signal converting apparatus.

Abstract: The present invention relates to a ceiling loudspeaker, primarily including adjustable fixing pieces at sides of speaker housing for installing the loudspeaker on the ceiling in position. Besides, a plurality of hooks are fitted to the speaker set, and tension springs are connected to the hooks while the speaker seat is hooked by the tension springs on the spring seats of the housing. Accordingly, the ceiling loudspeaker is convenient in assembly and stable in connection.

Abstract: A combination speaker enclosure mounting structure includes a plurality of spherical enclosures, each spherical enclosures having two crossed openings at two opposite sides, and two receptacles respectively disposed in the crossed opening, and a plurality of fasteners adapted to secure the spherical enclosures to one another, for enabling the spherical enclosures to be adjusted to the desired angle relative to one another.

Abstract: The present invention relates to a speaker for a vehicle and an installation structure therefor, and it is an object of the invention to enhance the speaker installation rigidity without impairing the acoustic characteristic of the speaker. The speaker installation structure comprises a speaker unit (1) for holding a speaker body (11) and having a plurality of claws (13) and a panel member (3) having an opening (4) and a plurality of slits (5). For the installation of the speaker unit (1), the plurality of claws (13) are inserted into the plurality of slits (5), respectively, and the speaker unit (1) is rotated in its circumferential direction. The opening (4) is made to be smaller than the diameter of a speaker housing (12) and to have at least three linear portions (41). Each of the slits (5) is formed outside the three linear portions (41) and inside an outer circumference of the speaker housing (12).

Abstract: An assembly for mounting recessed fixtures into a substrate, including an enclosure having a threaded sidewall and a matedly-threaded collar, such that the substrate is sandwiched between the enclosure and the collar.

Abstract: A damper-mounting wall portion 40 which is provided on a small-diameter end of a trumpet-shape part of a frame 1 so as to extend in a diametrically inward direction is formed with an outside diameter which is larger than a diameter of a damper 8 which is adhered thereto. On a peripheral edge portion of the damper-mounting wall portion 40, there is integrally formed an annular eave-shaped barrier wall portion 41 which extends in an axial direction toward the front side of the frame 1 so as to enclose the circumference of the damper 8 at a position away from the periphery of the damper 8.

Abstract: The present invention teaches a support structure of a loudspeaker unit which prevents transmission of vibrations of the loudspeaker unit to a cabinet so that the quality of sound can be improved and has excellent stability in its assembled condition, comprising a cabinet having an opening in which the front side of the loudspeaker unit is located, an anchor to be connected to the backside of the loudspeaker unit, a support for supporting the anchor so that the center of gravity of the anchor inside the cabinet is fixed and a positioning member for positioning the support, wherein a cushioning member is fitted between the support and the positioning member.

Abstract: The instant invention provides a digital audio processing system that includes a mainframe chassis, a central processor card, a plurality of analog input cards, and a plurality of analog output cards for accepting a plurality of audio inputs and producing a plurality of mixed audio outputs.

Abstract: A speaker assembly a speaker assembly that is readily mounted and dismounted from a mounting bar, and which also achieves reliable electrical connection in the same mounting connection. To mount the speaker, one pulls a plunger pin out, inserts a mounting boss into a swivel mount, and releases the plunger pin to lock the speaker onto the swivel mount. This action also inserts a jack into a receptacle, and completes the electrical connection of the speaker to the music source. The speaker is then rotated to the desired position and fixed in place by tightening a thumb screw.

Abstract: A speaker has a frame provided with a yoke, a magnet, a vibrating plate and a voice coil, and a pair of leads. An end of each of the leads is connected to an end of the coil and the other end portion of the lead is exposed in a hole formed in the frame and secured to the frame so as to be connected to an outside terminal. A terminal connecting device is provided for connecting the other end of the lead to the outside terminal. The terminal connecting device comprises a cylindrical case secured in the hole of the frame, a connecting rod slidably mounted in the cylindrical case, and a coil spring provided in the cylindrical case to outwardly urge the connecting rod so as to be contacted with the outside terminal at an end of the rod. A top end of the cylindrical case is contacted with the end portion of the lead.

Abstract: A converter with two coils and two magnetic gaps of which the upper and lower yokes of are two innerwardly concave plates or round plates. 3 set or more than 3 sets of axially magnetized permanent magnets are provided. Said permanent magnets are directly engaged with pole faces of said plates. Two magnetic gaps are formed between the vertical peripheric faces of said plates and the outer peripheric faces of a coaxial mounted annular or cylindrical magnetic body. Coils are inserted into said magnetic gap, while wound direction of two coils and the direction of current are decided to produce an electrodynamic force in the coils to the same direction. Said converter possesses resistance load characteristics by setting the values of the inductance of the two coils equal to each other in case that said converter are provided with two magnetic paths and coil circuits completely symmetric in their magnetic characteristics.

Abstract: An information processing device and a speaker unit applicable to the device. In one aspect of the present invention, the device includes a housing, a pole piece, a voice coil, a magnet, and a frame. The housing has an elastically vibratory vibration region. The pole piece has a first end and a second end. The first end is fixed to the vibration region of the housing. The voice coil is fixed to the second end of the pole piece. The magnet forms a magnetic field interlinking the voice coil. The frame fixes the magnet to the housing at a region other than the vibration region, for example. With this configuration, vibration of the voice coil due to a current flowing through the voice coil is transmitted through the pole piece to the vibration region of the housing, thus eliminating the need for a vibration board of a speaker and further eliminating the need for formation of holes for sound transmission through the housing.

Abstract: A combination speaker enclosure mounting structure includes a plurality of spherical enclosures, each spherical enclosures having two crossed openings at two opposite sides, and two receptacles respectively disposed in the crossed opening, and a plurality of fasteners adapted to secure the spherical enclosures to one another, for enabling the spherical enclosures to be adjusted to the desired angle relative to one another.

Abstract: A portable device includes a speaker with an active vent fed by a front of a speaker diaphragm and a larger passive vent fed by a rear of the speaker diaphragm. The outputs of the active and passive vents are acoustically coupled to respective active and passive ports, coupled together outside of the housing within an ear placement region for a user of the portable electronic device to obtain a more uniform frequency response from the speaker configuration over a larger region of a user's ear placement possibilities than would be available with the active vent alone. This is accomplished by a close acoustic coupling of the ports in combination with diverse porting of active and passive acoustic signals. The passive path also serves to relieve pressure near a user's ear to improve signal quality.

Abstract: An apparatus and method to adjustably accommodate, align and reinforce an audio speaker's installation within a speaker enclosure irrespective of said speaker's diameter, the enclosure having an external mounting surface and a speaker aperture opening which abuts horizontal and vertical plane mounting surfaces for an enclosure ring, the speaker being insertable into and through said aperture from a front direction comprising an enclosure ring section having a hollow center portion, a surface mount portion and an insertion collar portion, said insertion collar portion extending perpendicularly from said surface mount portion; a mounting ring adjustably and removably mountable to the speaker and enclosure ring by fastening means with the mounting ring having a hollow center portion dimensioned to adjustably accommodate a speaker diameter.

Abstract: In an electroacoustic transducer of the present invention, a casing supports a diaphragm, a drive coil is provided on the diaphragm, a first magnetic structure has a first space in a center thereof provided within the casing such that a center axis penetrates the first space, and a second magnetic structure has a second space in a center thereof provided within the casing on a side opposed to the first magnetic structure with respect to the diaphragm, such that the center axis penetrates the second space. The first magnetic structure is oriented such that a magnetization direction thereof is parallel to the center axis. The second magnetic structure is oriented such that a magnetization direction thereof is opposite to the magnetization direction of the first magnetic structure.

Abstract: A low cost dynamic speaker (10) prevents damage of the diaphragm (16) when the speaker (10) is mounted on a printed circuit board (2). An insulating ring (22) is attached to the front surface of the diaphragm (16) at the periphery. The insulating ring (22) has a pair of terminal pins (24) supported thereon for continuity of the lead wire (18a) with the conductor (4) of the printed circuit board (2). The conducting portion (24b) of each of the terminal pins (24) is protruded forward beyond the annular flat surface (22a) of the insulating ring (22).

Abstract: Speaker system for a display including a cover frame integrated type speaker 1 having a cover frame 101 with screw holes 106 for assembly with a rear cover 2 at top and bottom thereof and a speaker 100 for emitting sound integrated with the cover frame 101, a rear cover 2 fastened to a rear of the cover frame integrated type speaker 1 having a vibration attenuation member mounting unit 200 provided on top and bottom thereof, and vibration attenuation means disposed between the cover frame integrated type speaker 1 and the cabinet for attenuating a system vibration to prevent transmission of the system vibration to the cabinet 4, whereby saving cost, improving a productivity, preventing a pressure loss of a sound directed forward caused by a leaked sound directed backward, and attenuating a system vibration from the speaker so as not to reach to the cabinet, to provide a speaker of a high sound quality and a low howling.

Abstract: A drive module for attachment to a rigid panel and adapted to apply bending wave energy at audio frequencies to the panel whereby the panel can radiate an audio output. The drive module has a housing adapted to be secured to the panel, at least one foot on the housing and adapted to fix the housing securely to the panel, an electro-mechanical transducer in the housing, a support for the transducer in the housing, the transducer being adapted to contact the panel to apply bending wave energy thereto when energized with an electrical audio signal, and an audio signal amplifier in the housing.

Abstract: A bulb type speaker structure mainly comprises a speaker, a circuit board, and a case body. The circuit board is lodged inside of a housing of said case body. Leads connect an inside conductor and an outside one of a joint of the case body to an AD adaptor of the circuit board respectively. The speaker is set in the remaining space inside the housing and connected to an amplification circuit of the circuit board with leads. A safeguard combined to the opening of the housing can seal and form the bulb type speaker structure. Such bulb type speaker can be easily connected with a bulb holder through the joint of the case body so as to perform its facility and maneuverability of installation without additional stands.

Abstract: A loudspeaker enclosure is formed with fins that may be extended to support the enclosure on a surface and retracted into mating recesses to comprise a cosmetically appealing outer surface when the enclosure is suspended.

Abstract: A loud speaker enclosure being made in two parts with each of the side panels cut into angle form to assist in angle adjustment, alone with pivot hinges and friction lid supports used to hold it's angled position. The enclosure can be modified to accommodate any design or style of driver boards. In addition to any design of loudspeaker any orientation of enclosing may be incorporated with this invention also. This enclosure can be used with out driver board 5B were by Box B would then operate as a angle adjusting base for Box T.

Abstract: A bracket for mounting a speaker in a vehicle. The bracket includes a speaker receiving portion for supporting the speaker, and two diametrically opposed arms extending from the speaker receiving portion. Each of the arms includes a plurality of apertures for receiving fasteners capable of fastening the bracket over a mounting hole of varying size.

Abstract: A holder to carry portable electronic equipment on the body of a user, include a cord loop adapted for carrying on the body of a user; the cord loop having a support to hold the electronic equipment and a connector adapted to normally maintain the cord loop and disconnect the cord loop the moment it is applied with a larger pulling force than a predetermined force.

Abstract: Loudspeaker mounting apparatus that permits mounting of a loudspeaker at an angle to a mounting surface. In one embodiment the apparatus comprises an assembly that includes a frame member that is flush mountable in a cutout in the mounting surface. The frame member includes an angled flange that is employed for the mounting of a cooperative baffle. The front of the baffle is recessed behind the mounting surface to permit a flush speaker installation. The baffle mounts to the angled flange of the frame member in one of two possible predetermined orientiations so as to disperse sound around a centerline that is either oriented normal to the mounting surface or at a predetermined angle from normal corresponding to the degree of angle incorporated into the frame and baffle assembly.

Abstract: The present invention relates to a compact audio speaker assembly for a portable computer. The portable computer has a lower housing having a first opening on a side surface, a upper housing having a second opening corresponding to the first opening and coupled to the lower housing to form an internal space, and a speaker assembly installed in the internal space and held by the lower housing and the upper housing. An end surface of the speaker assembly is exposed outwardly through the first opening and the second opening.

Abstract: The new speaker system includes masking capabilities, as well as optional paging capabilities and has a speaker mounted so as to be upwardly directed on a support plate or rack within a ceiling plenum, with an optional low profile backbox. An optional paging speaker is mounted within the backbox downwardly facing on the support rack.

Abstract: The present invention relates to a ceiling loudspeaker, primarily including adjustable fixing pieces at sides of speaker housing for installing the loudspeaker on the ceiling in position. Besides, a plurality of hooks are fitted to the speaker set, and tension springs are connected to the hooks while the speaker seat is hooked by the tension springs on the spring seats of the housing. Accordingly, the ceiling loudspeaker is convenient in assembly and stable in connection.

Abstract: A speaker for vehicle has a weight mounted on the backside of a magnetic circuit of a speaker unit. The weight includes a weighting part having a shape in which the thickness in an axial line of the speaker unit is made small and the diameter in a direction perpendicular to the axial line is extended. The outer diameter of the weighting part is made longer than that of the magnetic circuit. The weighting part has a peripheral edge extending forward in the axial direction to cover the outer periphery of the magnetic circuit at least partially. Where a frame of the speaker unit is provided with an opening, the weight is designed to have a shape and position so as not to face the opening.

Abstract: The invention discloses a single anchor screw speaker mount 10 with substantially tool free installation where the speaker mount 10 itself can be utilized as the mounting tool. Utilizing a surface specific screw 52, speaker mount 10 is affixed to surface 15 by hand rotation until flush with mount plate 20 then adjusted for speaker placement by rotation around the anchor screw hexagonal head receptacle 40 and ball joint component 60.

Abstract: Disclosed is an improved loudspeaker comprising a pre-stressed cabinet and a loudspeaker unit fixed to the inside of the cabinet. The cabinet comprises a hollow conical assembly including two conical bodies of high-rigidity metal, one press-fitted into the other by applying an increased compressive force. The hollow conical assembly has front and rear plates closing its front and rear openings. These front and rear plates are pulled toward each other by tightening screw rods.

Abstract: The present invention relates to a loudspeaker system designed to mount into a building's interior wall through an opening between two framing studs. The loudspeaker system includes a speaker enclosure with two opposed side walls. At least one side wall has a slot formed in it. At least one rail is mounted to a framing stud and extends outward from the opening. The enclosure is mounted to the wall by sliding the slot along the rail. Fasteners are used to secure the enclosure to the rail.

Abstract: A loudspeaker apparatus 1 includes a loudspeaker unit 3 and an installation device 2. The loudspeaker unit 3 includes drivers 22 and 23 and an enclosure for the drivers composed of front and rear members 20 and 21. The loudspeaker unit is detachably mounted to an installation device 2, which, in turn, is secured to an installation surface 11 to which the loudspeaker apparatus is to be installed. The loudspeaker unit is mounted rotatable about its center axis 25. The drivers have respective sound radiation center axes 22a and 23a, which are oriented to intersect the center line 25 at a predetermined angle &thgr;. Thus, the direction in which the drivers radiate sound can be changed by rotating the loudspeaker unit about the center axis.

Abstract: An apparatus and method to adjustably accommodate, align and reinforce an audio speaker's installation within a speaker enclosure irrespective of said speaker's diameter, the enclosure having an external mounting surface and a speaker aperture opening which abuts horizontal and vertical plane mounting surfaces for an enclosure ring, the speaker being insertable into and through said aperture from a front direction comprising an enclosure ring section having a hollow center portion, a surface mount portion and an insertion collar portion, said insertion collar portion extending perpendicularly from said surface mount portion; a mounting ring adjustably and removably mountable to the speaker and enclosure ring by fastening means with the mounting ring having a hollow center portion dimensioned to adjustably accommodate a speaker diameter.

Abstract: A knockdown speaker mainly comprises a magnetic circuit base, a casing, and a vibration unit. The magnetic circuit base is substantially a hollow body having a projecting cylinder at center and a plurality of fixing holes in its top rim. The vibration unit is composed of a funnel-like cone socket and a damper set, which are formed by combining a bottom end and a top end of the vibration unit respectively with a sound ring set or a piece of drum paper. The magnetic circuit base is mounted on the bottom rim of the casing. The vibration unit is jointed with the magnetic circuit base via the sound ring set arranged at the bottom end of the vibration unit to form a consolidated knockdown speaker.

Abstract: A speaker has a case having a peripheral projection, a magnetic device having a yoke, and a permanent magnet and secured to the case. A diaphragm is secured to the case at the peripheral projection. A protector has an upper plate and a cylindrical holding portion at the periphery of the upper plate. The protector is secured to the case at the cylindrical holding portion.

Abstract: An electroacoustic transducer which has at least one stator member with an operating surface and a suspended emitter diaphragm spaced from the operating surface of the stator member to enable the diaphragm to oscillate in response to an applied signal voltage. The diaphragm has increased stiffness in a direction along the diaphragm and within the emitter section to enable the emitter diaphragm to oscillate without applying tension in the direction of stiffness. A clamp member secures the diaphragm to maintain the diaphragm in a fixed position relative to the stator to minimize distortion. The clamp member is positioned to define at least two isolated emitter sections for enhancing the frequency response of the transducer. A method is also provided for generating audio output from an electroacoustic transducer.

Abstract: An acoustic transducer is secured to a plate having a front side and a back side. The transducer has an outer body with a front portion and rear portion and is sized to entirely fit inside an electrical gang box. A front-to-back enlarged opening in the plate is sized to receive the front portion of the transducer body. The transducer is secured to the plate so that the front portion is located within the front-to-back opening of the plate and is generally flush with the front side of the plate and most of the transducer body including the rear portion extends behind the plate into the gang box.

Abstract: This invention is directed a combination of a speaker base and a mounting bracket that secures a speaker enclosure to either a horizontal surface or a vertical surface. The mounting bracket may be adapted to couple to a wall and releaseably to the speaker base. The speaker base may be adapted to pivotally couple to the speaker enclosure so depending on whether the speaker base is mounted onto wall or table, the speaker enclosure may be pivoted into a desired position.

Abstract: The audio signal junction box assembly comprises a housing adapted to be mounted within an opening of a ceiling structure, and defines an inner space with side wall and ended with a top surface having at least an opening therein. An electrical connector arranged on the top surface. A cable arranged in the trench of the top surface is connected to one end the connector and a branching wire is connected to the connector at the other end and extending through the opening and into the inner space of the housing. The connector is enclosed by a lid attached to the recess.