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Match Document Document Title
US20130004007 Open-Baffle Loudspeaker  
The invention relates to a loudspeaker which includes one or more drivers, a front panel and a further panel extending rearwardly therefrom. The rearwardly extending panel is typically offset...
US20140294220 LOUDSPEAKER UNIT WITH TWO LOUDSPEAKERS AND A WEDGE-SHAPED BODY BETWEEN THE SPACES ADJOINING THE LOUDSPEAKERS  
A loudspeaker unit comprising a loudspeaker housing and a first and a second loudspeaker, wherein the two loudspeakers are both placed in a flat front wall of the loudspeaker housing, the rear...
US20140286519 MICROPHONE ARRAY WITH REAR VENTING  
Microphone arrays (MAs) are described that position and vent microphones so that performance of a noise suppression system coupled to the microphone array is enhanced. The MA includes at least two...
US20130294632 Panel-form loudspeaker  
Disclosed is a panel-form loudspeaker. The panel-form loudspeaker includes a resonant mode sound radiating panel, a case with a vibrating plate attached on the sound radiating panel, and a number...
US20140064539 VIBRATION-REDUCING PASSIVE RADIATORS  
An audio system includes a passive radiator that is attached to one end of a lever arm. The other end of the lever arm is attached to a mass that serves to move out of phase of the passive...
US20110150259 PORTABLE AUDIO SYSTEM HAVING WAVEGUIDE STRUCTURE  
An apparatus includes a housing. A waveguide is located within the housing. The waveguide includes a first subsection that bends around a first axis and has a first cross-sectional area with an...
US20150063621 Speaker Assembly  
A speaker assembly provides a system for reproducing low frequency sound and for directing the sound generated both toward and away from a listener, or in any direction desired, by use of an...
US20150036860 Audio Device for Altering Water Structure  
An audio device adapted for altering the structure of water is provided. The device includes a rigid, enclosed cabinet with speakers mounted to the cabinet. The speakers are positioned on opposing...
US20130101150 Speaker Device For Mobile Terminal  
A speaker device for use in a mobile terminal includes a speaker frame with a speaker unit mounted therein, and a frame cover provided at the rear side of the speaker frame to form a resonance...
US20120224735 System and Method for Reducing Baffle Vibration  
Adjustments to an electro-acoustic transducer may be made to match the performance of a second electro-acoustic transducer such that a net inertial force generated by movement of the...
US20130315429 PORTABLE AUDIO SYSTEM HAVING WAVEGUIDE STRUCTURE  
An audio system includes a housing and an acoustic exit that exits the housing, and has a configuration that facilitates the grasping of the housing with a plurality of fingers from a single human...
US20120300967 SPEAKER SYSTEM  
A speaker system includes: a speaker cabinet; a speaker unit installed in a wall surface of said speaker cabinet; and an acoustic tube having ends, one of which is open and the other of which is...
US20140198940 Tunable Earphone  
A tunable earphone includes a speaker for making sound, a shell receiving the speaker and defining a resonance cavity therein, and a tunable element rotatably and removably mounted on the shell....
US20110158448 SPEAKERBOX  
An electro-acoustic communications unit (20) may include an acoustic driver (22) which, when operated, emits acoustic waves in two directions. A hermetically sealed container (24) attached to the...
US20080137894 Loudspeaker system with reduced rear sound radiation  
A loudspeaker system has a front loudspeaker enclosure (30) having at least one first loudspeaker (20) and a rear loudspeaker enclosure (50) having at least one second loudspeaker (60). The rear...
US20120051573 Passive Acoustical Radiating  
An audio device has passive radiators that are driven by acoustic drivers. The passive radiators are arranged so that the net mechanical vibration is minimized.
US20120275632 EARPHONE  
An improved earphone comprises a shield member consisting of a front shield part and a rear shield part, and a speaker unit. The front shield part is provided with a cover section with an...
US20110007922 SPEAKER DIAPHRAGM, SPEAKER, AND ELECTRONIC EQUIPMENT AND MOBILE DEVICE USING THE SPEAKER  
A speaker diaphragm of the present invention is formed by mixing polylactic acid as a plant-derived resin, bamboo fibers and a natural binder. It is thereby possible to realize a speaker diaphragm...
US20130148835 Speaker With Spheroidal Acoustic Emitter Housing  
An improved speaker in which a single electro-acoustic driver is mounted in a sound emitter cabinet with a spheroidal rear acoustic emitter wall, with the driver face exposed and mounted on a...
US20130136290 EARPHONE WITH TUNABLE LOW PITCH  
An earphone with tunable low pitch comprises a main member and a stirring member, wherein the main member has a chamber inside receiving a loud speaker, a low pitch room formed between the main...
US20050105753 Equaliser, or phase plug, for electro-acoustic transducers  
Equaliser (4) or phase plug, for electro-acoustic transducers (1), having at least a central hole (40), and or a first series of openings (41), or slots, in the from of concentric rings, coaxial...
US20100296667 Wireless Earplug with Improved Sensitivity and Form Factor  
An improved wireless communications earplug for use with a magnetic field transmitter. The wireless earplug has a receiver made of a coil of wire on a magnetic bobbin, mounted in close proximity...
US20090067658 PORTABLE OVER-THE-EAR MINIATURE SOUND BOX DEVICE  
A portable over-the-ear miniature sound box device comprises a loudspeaker, a first chamber and a second chamber. The loudspeaker is located in the first chamber. A first sound output hole of the...
US20070280497 Communications Unit With Arrangement For Loud Reproduction Of Sound  
A clamshell phone with two movable housing parts and can assume a closed position, in which the sound openings are covered, and an open position, in which the sound openings are exposed. According...
US20150049895 Expandable Speaker  
A speaker apparatus or system with a user selectably expandable chamber is provided. The chamber in its expanded state enhances the speaker's acoustical properties. The chamber in its collapsed...
US20090041281 LOW-FREQUENCY SOUND ADJUSTABLE EARPHONE  
A low-frequency sound adjustable earphone is disclosed which includes a housing, which has a resonance chamber and a crevice in air communication between the resonance chamber and the atmosphere,...
US20060078136 Chamber-loaded augmented passive radiator  
A loudspeaker in which an electromagnetic transducer drives a chamber-loaded augmented passive radiator (APR). The loudspeaker uses a bandpass enclosure such that the transducer produces sound...
US20120219171 Loudspeaker Assembly And System  
A loudspeaker assembly is disclosed for use in a loudspeaker system having infinite baffle topology. The assembly comprises a driver including a cone and a basket and at least one Helmholtz...
US20120155687 ELECTRONIC DEVICE WITH COVER HAVING INTERNAL PROTRUDING PORTIONS FOR DISPERSING OF SOUND  
An exemplary electronic device includes a box, a speaker, and a micro structure. The box includes a shell and a cover disposed on the shell. The speaker is sandwiched between the shell and the...
US20140226845 Ported Speaker and Circuit Board  
The inventive subject matter provides a reflex tube or port that includes a circuit board and a speaker enclosure that incorporates such a reflex tube. The circuit board is mounted about the...
US20130177190 Balanced Momentum Inertial Duct  
A duct design and methods for designing ducts are described herein. The duct has a profile described by an equation that balances momentum of the fluid flowing through the duct with an adverse...
US20120288129 Open-back woofer baffle with resonance control ports  
A preferred embodiment of an open-back extended frequency range woofer baffle having ports to control longitudinal acoustic resonances.
US20100061578 PORTABLE ELECTRONIC APPARATUS  
A portable electronic apparatus including a case, a speaker, a sound box cover, a first circuit board and a second circuit board is provided. The case has a sound hole and a plurality of limiting...
US20080013769 SWITCHING STRUCTURES FOR HEARING ASSISTANCE DEVICE  
A hearing aid is provided with a switch that automatically, non-manually, controls a configuration of the hearing aid in the presence of a magnetic field. In an embodiment, the switch in the...
US20110026751 High Acoustic Compliance Device for Loudspeaker Systems  
There is provided a device for propagating acoustic vibrations through an environment. The device includes a low pressure chamber containing a volume of reduced pressure relative to the...
US20070297629 METHOD AND SYSTEM FOR EQUAL ACOUSTICS PORTING  
A device (300) and method (600) for equal audio porting is provided. The device can include a first side with at least one first audio port (182) providing a data communication aspect, a second...
US20140133684 Acoustic Device  
One embodiment of the invention discloses an acoustic device having a housing and a speaker unit accommodated in the housing. The speaker unit forms a front volume and a back volume together with...
US20060171551 Communication device comprising sound-conveying means for two sound-producing modes  
In a communication device (1) that is designed to deliver sound, in an againstthe-ear mode, into a space (22) bounded by the ear and, in an away-from-the-ear mode, into an acoustic free space, a...
US20070121983 Balanced armature bone conduction shaker  
A bone conduction transducer suitable for use in a listening device, such as hearing aids, in-ear monitors, headphones, electronic hearing protection devices, and very small scale acoustic...
US20140348369 DECOUPLED DRIVE UNIT FOR A LOUDSPEAKER ENCLOSURE  
A loudspeaker enclosure defined by one or more panels housing a drive unit. The drive unit includes a coil, a diaphragm, and a magnet. The magnet is decoupled from the one or more panels of the...
US20100027829 CIRCUIT ARRANGEMENT FOR A SOUND REPRODUCER WITH LINEARIZED SOUND TRANSMISSION  
Circuit arrangement for a sound reproducer with linearized sound transmission comprising a loudspeaker (6) mounted in an enclosure, said arrangement further comprises conducting cables (4,5)...
US20090285431 DIAPHRAGM WITH INTEGRATED ACOUSTICAL AND OPTICAL PROPERTIES  
A multifunctional transducer diaphragm may be configured as audio speaker system for displays wherein the multifunctional transducer diaphragm is capable of polarizing light transmitted...
US20070165894 Speaker attenuation system, method and apparatus  
A speaker attenuation system includes an attenuating member comprised of suitable material and having a size and a shape capable of attenuating a speaker when positioned in a central beam region...
US20150256923 LOUDSPEAKER AND ELECTRONIC DEVICES INCORPORATING SAME  
The invention provides, in some aspects, electronic devices with improved radiators (or “passive drivers”) comprising an elastomerically mounted mass in order to improve sound reproduction...
US20090214067 Loudspeaker box with a variable radiation characteristic  
A loudspeaker box (300) has a loudspeaker housing (1) and a sound source (3a) with a non-rotationally symmetrical radiation characteristic. The sound path of the sound source (3a) contains an...
US20120063626 SPEAKER WITH ACOUSTIC CHAMBER  
A speaker with acoustic chamber is provided. The speaker includes a main body and an acoustic chamber fixed to the main body. The acoustic chamber can be converted between a collapsed state and an...
US20060045300 Loudspeaker With An Integrated Woofer Frame And Baffle Component  
A loudspeaker assembly with an integrated woofer frame and baffle component wherein the woofer frame is created as an integral part of the baffle by molding the woofer frame and baffle as a...
US20090279729 Dual-frequency coaxial earphones  
A dual-frequency coaxial earphone includes a frame, a shared yoke, a high frequency speaker part, and a low frequency speaker part. The high frequency speaker part and the low frequency speaker...
US20080170736 Sound broadcasting mechanism and electronic device using the same  
A sound broadcasting mechanism and an electronic device using the same are provided. The sound broadcasting mechanism includes a sound box, a sound broadcasting element and a sound enhancing...
US20090245561 Acoustic Passive Radiating  
Acoustic devices that include passive radiators. The passive radiator may include an acoustic driver. The acoustic device may be hand-held or pocket sized.

Matches 1 - 50 out of 144 1 2 3 >