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Class 181/154 - Inclined diaphragm

Subclass of Class 181 - Acoustics
Definition: Subject matter wherein the means to support the diaphragm
No. of patents: 58
Last issue date: 04/29/2008

NumberTitleIssue Date
7364009Loudspeaker mounting frame, loudspeaker and cabinet comprising a loudspeaker
A loudspeaker mounting frame (1) for an electronic appliance has a central opening for receiving a loudspeaker membrane (24), and a plurality of through holes (11) surrounding said central opening for receiving fixing means (25). The thro...
7334852Multiple configuration shelving system for displaying audio visual components
A shelving system for displaying audio visual components that may be configured into multiple positions is disclosed. The system includes a base that supports a center platform disposed between right and left platforms. The center platform and the right and left pla...
7275621Skew horn for a loudspeaker
7219763Microphone assembly fitted to vehicle-mounted control module panel, that fits well
A microphone assembly fitted to a panel of a vehicle-mounted control module, provided with a housing for housing a microphone and having an opening section on a surface facing the panel, and a holding case for holding the housing so as to be capable of pivoting, and...
7093688Structure for preventing the generation of standing waves and a method for implementing the same
A speaker assembly includes a speaker mounted within a housing having a front plate and a base plate. The speaker is inclined with respect to the front plate. The base plate includes one of an inclined type structure, a convex type structure, a radial rib type struc...
6926116Speaker mounted in recreational vehicle
An apparatus comprises a speaker for use with a recreational vehicle. The speaker is supported relative to the ceiling so as to extend through an aperture in the ceiling. The speaker has a central axis that is oblique relative to a lower surface of the ceiling. ...
6766027Elliptical flushmount speaker
An elliptical speaker system is provided for in-wall/in-ceiling mounting. The speaker system comprises an elliptical speaker frame or bracket defining a speaker front plane having a generally arcuate inner surface. First and second speaker components are mounted wit...
6672423Speaker and method of assembling the speaker
In a speaker including a voice coil which is wound on a voice coil bobbin and is inserted into a magnetic circuit gap of a magnetic circuit, and a cone which is coupled to the voice coil bobbin for vibration, the cone (16) is constructed of two divided co...
6578660Speaker enclosure venturi expander
A venturi expander is mounted on a speaker enclosure to receive the rearward-propagated sound waves and to extend the propagation path. The venturi expander's reflective sides direct the rearward sound to the sides or top or bottom of the speaker enclosur...
6070694Loudspeaker assembly
5952619In-ceiling loudspeaker
An in-ceiling loudspeaker is provided which comprises a woofer and at least three tweeters located below the woofer with respect to the ceiling with the woofer and tweeters arranged to radiate direct acoustic signals downwardly and widely spread from the ...
5929393Speaker cabinet with sounding board
An audio speaker cabinet or enclosure having a sounding board and air space for enhancing the quality of sound produced by the speaker cabinet. The speaker enclosure is characterized in a preferred embodiment by a rectangular cabinet having a sounding boa...
5734732Speaker arrangement and mounting apparatus and method
Apparatus for mounting a speaker to a ceiling of a room that comprises an attaching ring adapted to be attached to a joist. A mounting ring is connected to the attaching ring. Apparatus to position the speaker at an angle relative to a front surface of th...
5732140Acoustic speaker system with expandable speaker enclosure
An audio speaker system has at least one expandable speaker enclosure which comprises a rigid upper wall, a speaker mounted to the upper wall and a rigid bottom wall. One edge of the bottom wall is pivotally attached to a corresponding edge of the upper w...
5525767High-performance sound imaging system
A sound imaging system preferably including two enclosures each comprising a truncated conical base unit and a truncated conical upper unit supported above and spaced apart from of the base unit, and containing a bass driver and composite midrange and hig...
5471018Audio or video apparatus with a built-in loudspeaker
An audio or video apparatus has a housing, a loud-speaker and an acoustic channel. The loud-speaker acoustically cooperates with the channel. One end of the channel opens into an aperture in a side of the apparatus. The dimensions of the loud-speaker and ...
5319164Speaker holder
A speaker holder includes a hollow, open holder body which receives a speaker within an inward top flange thereof, a bottom plate fastened to the holder body at the bottom to hold a spring-supported ball in a center hole on an upright center rod thereof f...
5278361Loudspeaker system
A multiple speaker loudspeaker system wherein an internal baffle extends the full length of the interior volume dividing the interior volume into two unequal portions. The baffle has folded portions, which is not parallel to the walls of the enclosure. Lo...
5258584Multiple auxiliary compound driver loudspeaker system
A compound driver loudspeaker system combines a single exterior radiating loudspeaker with a plurality of internal auxiliary loudspeakers in a cabinet. The cabinet has an external baffleboard and an internal baffleboard, the external baffleboard having a ...
5227591Loudspeaker arrangement
The invention relates to a loudspeaker arrangement for creating a three-dimensional stereo sound effect. The loudspeaker arrangement is to be located at a suitable distance from sound-reflecting surfaces. The loudspeaker elements (12a, 13a, 14a; 12b13b, 1...
5143169Loudspeaker diaphragm provided with a rear load
The present invention relates to a loudspeaker diaphragm which is provided with a rear load and the vibration characteristic of which is improved in that the work to be performed for compressing the air behind the loudspeaker diaphragm is reduced. For thi...
5123500Loudspeaker enclosure
A loudspeaker enclosure is formed generally in the shape of a tetrahedron, having a triangular bottom panel and three upstanding triangular side panels. In a first embodiment, the lower edges of the three side panels are connected to the three edges of th...
5099948Compact woofer speaker system
A subcompact woofer speaker cabinet system provides high volume low frequency response, long speaker life without overload and sound projection over considerable distances. This is achieved by mounting a damped speaker diaphragm within a cabinet enclosure...
5088574Ceiling speaker system
A compact ceiling mounted loudspeaker system comprising a truncated pyramidal shaped housing supporting an array of four coaxial 2-way loudspeakers. Each loudspeaker is mounted on a respective face of the pyramidal housing so that none faces directly down...
5086686Keyboard instrument
Keyboard instruments incorporating sound systems for generating musical tones are disclosed. In a first keyboard instrument, speakers are mounted near a keyboard, and are arranged upright to be directed to the keyboard on the front side, thereby allowing ...
5025885Multiple chamber loudspeaker system
A loudspeaker system has an enclosure with a baffle dividing the interior into first and second subchambers. The smaller subchamber is directly coupled to the region outside the enclosure by a port tube. The larger subchamber is coupled to the region outs...
5000286Modular loudspeaker system
A modular loudspeaker system of uniformly sized and shaped loudspeaker modules permits hanging of a plurality of the modules in a wide variety of desired configurations. Each module has a pair of side walls with recessed upper and lower marginal edge port...
4991688Audio speaker system
An audio speaker system includes a pair of satellite speakers each having a copper lined pyramidal enclosure formed by four side walls diverging outwardly upwardly from a downwardly facing apex. A speaker mounting support at an upper end of each of the sa...
4984653Loudspeaker arrangement
The invention relates to a loudspeaker arrangement in which, in front of the loudspeaker (5) or another sound source, when viewed in the direction of the sound projection, two, preferably plane, sound guide surfaces (2,3) are disposed which, in a bow-like...
4942939Speaker system with folded audio transmission passage
A loudspeaker cabinet in which an elongated enclosure has a driver mounted internally in one wall thereof in facing, open communication with the exterior of the enclosure and an outlet sound port positioned in spaced relation to the driver in another wall...
4917212Speaker supporting unit
A speaker is installed on a door panel of an automobile by utilizing a supporting unit including a base and a substantially disc-shaped spacer. The base is attached to the door panel and has a bottom surface inclined with respect to the door panel. The sp...
4881265Apex loudspeaker
A loudspeaker (10) has speaker mounting walls (11 and 12) joined at an apex angle (15) of 70° or less, with a pair of tweeters (20) mounted as close to the apex as possible and a pair of woofers (25), arranged below the tweeters, and also mounted as clos...
4877105Rear speaker unit for a motor vehicle
A rear speaker unit for a motor vehicle is disposed in an elongate space such as a space which is defined between one of opposite sides of a rear seat and a vehicle body side panel. The speaker unit is made up of a tubular and substantially cylindrical sp...
4875546Loudspeaker with acoustic band-pass filter
A loudspeaker having means for acoustically impeding excursion of the transducer diaphragm and means for acoustically attenuating the output of acoustic vibrations of frequencies above a preselected frequency. The loudspeaker includes first and second sub...
4836327Sound reinforcement enclosure employing cone loudspeaker with annular central loading member and coaxially mounted compression driver
An improved sound reinforcement enclosure is disclosed which incorporates a cone-type loudspeaker operating into a generally cylindrical channel extending from the perimeter of the cone to free air. A central member is coaxially mounted within this channe...
4815559Portable loudspeaker apparatus for use in live performances
A portable modular loudspeaker apparatus consists of a cabinet containing at least two speakers pointing in different directions so that sound generation patterns of the different speakers tend to diverge. The cabinet is narrower at the back than at the f...
4753317Trapezoidal loudspeaker enclosure
A loudspeaker enclosure is configured in trapezoidal shape, with one angular end wall supporting an electromagnetic or electrostatic loudspeaker of the type having both front and back acoustic waves, with the front of the loudspeaker registering with a fr...
4621708Tweeter bidirectional radiating
A loudspeaker system includes a cabinet with top, bottom, front, rear and side panels enclosing a volume with the top and bottom panels extending to one side of the enclosed volume and supporting an angled tweeter baffle therebetween that supports a tweet...
4477887Low noise mounting for accelerometer used in marine cable
A marine seismic streamer cable having both pressure responsive and acceleration responsive transducers disposed therein. The accelerometer responds to acceleration along one axis regardless of its orientation about the other axis. The accelerometer is mo...
4475620Loudspeaker with wall reflex absorber
A loudspeaker is provided for high-quality and particularly stereophonic sound reproducing systems positioned close to a wall of a room. To reduce distortion due to that part of the reflected sound which arrives from substantially the same direction as th...
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