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8944209 Smart device sound amplifier  
A sound amplifier is provided in the form of a sound amplification cone with a front panel opposite a rear panel and spaced apart by side panels. The side panels fold so that the front panel and...
8899375 Device for damping and scattering hydrosound in a liquid  
A device is provided for damping hydrosound in liquid emitted from a sound-emitting body in the liquid. The device includes a plurality of envelope bodies distributed in the liquid in an area of...
8887862 Phase plug device  
An acoustical phase plug for use in loudspeakers produces a planar rectangular wavefront, or a wavefront with a desired amount of curvature, from the output aperture of the phase plug device when...
8885863 Loudspeaker device  
An object of the present invention is to provide a loudspeaker device which has a high moisture resistance and can further widens an audio range of low-frequency range sounds. To achieve the above...
8858892 Liquid treatment system  
A liquid treatment system has a housing defining an interior space. The housing has an inlet port for receiving liquid into the interior space of the housing and an outlet port for allowing liquid...
8857368 Aircraft location system for locating aircraft in water environments  
A method and apparatus for an aircraft location system comprising an aircraft structure and a number of acoustic reflectors associated with the aircraft structure. The number of acoustic...
8831262 Directional audio waveguide array  
A directional waveguide array apparatus can transmit and/or receive airborne or fluid-borne audio with the appropriate selection of transducers. The present invention advances directional...
8820471 Speaker  
A speaker, including: a casing having a baffle plate; and a sound source fixed to the baffle plate of the casing, wherein at least one cutout is formed in the baffle plate, the at least one cutout...
8804986 Acoustic transducer including airfoil for generating sound  
Systems, apparatus, devices, and methods for converting electrical signals into sound using an acoustic transducer. The inventive acoustic transducer utilizes the motion of an airfoil shaped...
8757318 Behind the detector sounder  
A behind the detector sounder has a base plate and walls which define mechanical horns having throats which open into a space at the centre of the base plate. The mouths of the mechanical horns...
8746398 Methods and devices for electromagnetically tuning acoustic media  
An acoustic material can be electromagnetically tuned to produce alterations in its acoustical properties without physical contact. The acoustic material should contain a periodic structure and a...
RE44942 Mobile communication device  
A mobile communication device is provided. The mobile communication device includes a terminal body, and a speaker module located in the terminal body. The speaker module includes an enclosure...
8720264 Performance of permanently installed tubing conveyed seismic arrays using passive acoustic absorbers  
Methods and apparatus for reducing the impact of guided (or “tube”) waves in permanently installed seismic systems. By utilizing passive acoustic absorbers, the impact of tube waves may be...
8717149 Remote-control device with directional audio system  
A method of directing an audio signal to an intended user by a remote-control device coupled to an audio/video device is described. The remote-control device sends an instruction to the...
8695812 Water-proof sound-transmitting membrane, method for producing water-proof sound-transmitting membrane, and electrical appliance using the membrane  
A water-proof sound-transmitting membrane 10 includes a polytetrafluoroethylene porous membrane 1 and has a surface density of 1 to 20 g/m2. The polytetrafluoroethylene porous membrane 1 includes...
8678130 Audio apparatus  
An audio apparatus includes a housing including a space which is enclosed at least one pair of opposite surfaces, and an open pipe including a first open end and a second open end positioned in...
8636101 Device for damping and scattering hydrosound in a liquid  
A device for damping and scattering hydrosound and wave motions in water includes a plurality of envelope bodies, each enclosing a gas and each spaced at a distance from one another and surrounded...
8616327 Portable media player sound deflecting assembly  
A portable media player sound deflecting assembly includes a panel that has a front side, a back side, a first edge, a second edge, a bottom edge and an upper edge. A first lateral flange is...
8616328 Method and apparatus for wave generation and detection using tensegrity structures  
A tensegrity apparatus having multiple tensegrity units for the transmission of solitary waves with adjustable profiles into a material or structure, and the detection of such waves from a...
8541496 Energy absorbing composition and impact and sound absorbing applications thereof  
A substantially non-elastic incompressible composition, which substantially does not quickly self-level under standard operating conditions, includes: a suspending agent which reacts substantially...
8522917 Cell phone sound amplifying extend cup  
A cell phone sound amplifying extend cup comprises a conical trumpet portion, an amplifying barrel portion, a first receptacle portion, a second receptacle portion and a net portion. The conical...
8511423 Acoustic diode  
An acoustic diode includes a phononic crystal medium, a nonlinear acoustic medium, a aluminum tubes contain the phononic crystal medium and the nonlinear acoustic medium. The phononic crystal...
8434586 Sound insulation in a refrigerant circuit  
A muffler device for a refrigerant circuit with refrigerant containing refrigerant oil comprises a housing in which an upper muffler chamber and a lower muffler chamber are arranged, whereby the...
8401216 Acoustic traveling wave tube system and method for forming and propagating acoustic waves  
The present invention is an acoustic traveling wave tube system for propagating a directional acoustic wave comprising an acoustic traveling wave tube having a cylindrical shape with a load on one...
8360201 Sound absorbing structure and sound chamber  
A sound absorber is formed by covering the opening of a housing with a vibration member having a flat shape or a film shape so as to define an air layer therebetween. The sound absorber is...
8327974 Sound enhancing apparatus  
A sound enhancer for use with a speaker assembly, comprising a sound manifold forming an enclosure having upper and lower hollow interior portions, the enclosure defining an interior zone within...
8292436 Projection screen and image projection system using the same  
An acoustic projection screen includes a screen base and a carbon nanotube layer. The carbon nanotube layer is attached to the screen base and connected to electrodes.
8290195 Acoustic radiation pattern adjusting  
A loudspeaker having an omnidirectional radiation pattern at high frequencies. The loudspeaker includes an acoustic device that includes an acoustic enclosure; an acoustic driver, mounted in the...
8272517 Water-proof sound-transmitting membrane, method for producing the water-proof sound-transmitting membrane, and electrical appliance including the water-proof sound-transmitting membrane  
The present invention provides a water-proof sound-transmitting membrane including a polytetrafluoroethylene (PTFE) porous membrane, in which the waterproofness is enhanced further with little...
8186478 Multi-functional dual filtered hearing protector  
The present embodiment represents a dynamic Multi-Functional Dual Filtered Hearing Protector that will allow the wearer to hear intelligible speech or warning sounds, while the wearer is present...
8177022 Transmitted sound control apparatus  
Wall partitioning between outside and inside of a room has an opening portion closed with a film. Sound insulating plate, comprising a lamination of a sound reflecting plate and a sound absorbing...
8162098 Tunable acoustic reflector  
An acoustic reflector suitable for use as a reflective target for navigational aids and for location and re-location applications. The acoustic reflector comprises a shell arranged to surround a...
8162099 Vehicle interior structure  
A vehicle interior structure that may realize a more amenable vehicle interior space by making communication between occupants sitting on a pair of vehicle seats easier. The vehicle interior...
8157048 Splash proof acoustically resistive color assembly  
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...
8141678 Sound-permeable film, electronic component with sound-permeable film, and method of producing circuit board having electronic component mounted thereon  
A sound-permeable film (11) includes: a porous membrane (13) that contains polytetrafluoroethylene as its main component, allows sound to pass therethrough, and prevents an foreign object such as...
8130994 Waveguide  
A waveguide configured to function as a high frequency waveguide for a high frequency sound source mounted to the waveguide, and to function as an acoustical low pass filter for a low frequency...
7908924 Sound focusing mechanism and method of estimating acoustic leakage of an object and method of estimating transmission loss of an object  
A sound focusing mechanism for generating a focused source of sound, which can be used to identify the transmission loss of an object or identify areas of acoustic leakage is disclosed. The sound...
7912234 Acoustic projector for propagating a low dispersion sound field  
A broadband sound generator and transmitter provides minimal attenuation of sound over the distance between the generators and a point at a selected distance. The transmission component includes a...
7840021 Method and apparatus for a weather proof notification device  
A weather-proof notification device includes an enclosure having an integrally formed grille and a speaker located within and attached to the enclosure proximate the grille. The grille is...
7775320 Method for reducing noise in a vehicle cabin  
A method of controlling noise from a six cylinder engine that can selectively use in separate operating modes either three cylinders, four cylinders, or all six cylinders, is provided that uses a...
7610810 Methods for producing acoustic sources  
Embodiments include an acoustic source for use in a hemi-anechoic chamber comprising a source assembly and a waveguide assembly for producing sound outside of a measurement hemisphere and...
7601763 Diaphragm for speaker and manufacturing method thereof  
A diaphragm for a speaker is made by forming acrylic foam. As the material of the acrylic foam, using maleic anhydride and methacrylic amide are contained. Thereby, the coefficient of saturated...
7484589 Apparatus and method for reducing aircraft noise and acoustic fatigue  
An apparatus and method is provided for attenuating aerospace engine noise and unsteady pressure fluctuations associated with high velocity exhaust flows. The apparatus and method reduce acoustic...
7331950 Apparatus for containing noise generated by a pneumatically powered surgical instrument and related method  
A sound attenuating system is provided for pneumatically powered surgical instruments. In one aspect, the exhaust hose is formed of at least two dissimilar materials to impede the transmission of...
7241258 Passive vibration isolation of implanted microphone  
A system for reducing the vibration sensitivity of an implantable microphone without an equal or greater reduction in sound sensitivity. The system reduces non-ambient vibrations by placing at...
7214179 Low acceleration sensitivity microphone  
An implanted microphone is provided that has reduced sensitivity to vibration and attendant acceleration forces. In this regard, the microphone differentiates between the desirable and undesirable...
7204342 Sound focus speaker of gas-filled sound lens attachment type  
A sound focus speaker adopting a gas-filled sound lens enhances efficiency of transferring sound from a source to target area and of protecting a spread of transferred sound. The sound focus...
7167415 Transducers for focusing sonic energy in transmitting and receiving device  
Ultrasonic transducers which include at least one internally directed generally concavely configured sonic energy radiating element which directs sonic energy toward at least one arcuate energy...
7156201 Ultrasonic rod waveguide-radiator  
The present invention comprises an ultrasonic resonant rod waveguide-radiator with at least three cylindrical sections, one of which is an entrance section having a planar entrance surface and...
6986348 Cough-a-lizer  
The germ and noise filter device is a disposable, hand held filter apparatus that covers the mouth of the user during the exhale phase of a cough. The device comprises: a body with a cavity that...
Matches 1 - 50 out of 217 1 2 3 4 5 >