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Match Document Document Title
7570776 Speaker device and method of manufacturing the speaker device  
A speaker device has a connecting member on which a groove capable of accumulating a constant amount of adhesive is formed. The groove is in the vicinity of a lower end of an outer peripheral wall...
7565178 Portable handset with integrated speaker  
A portable wireless handset with enhanced acoustic functions is disclosed having a chamber gasket that has an opening sized to receive a speaker. When inserted into the opening, the speaker seals...
7526094 Normalization and calibration of microphones in sound-intensity probes  
A system for normalizing and calibrating the microphones of a sound-intensity probe or a composite of such probes, with respect to a stable comparison microphone with known acoustical...
7515729 Speaker device  
A speaker device includes a terminal member, a connecting member and a voice coil. The connecting member has a terminal mounting part, a flat surface and a recessed portion. The terminal member is...
7447322 Speaker having a transparent panel  
A speaker having a transparent sound panel and an exciter connected to the transparent sound panel for converting electrical energy received by the exciter, into vibrations that are transmitted to...
7440580 Room mode bass absorption through combined diaphragmatic and helmholtz resonance techniques  
An acoustical bass absorber which reduces peak and dip frequency response errors caused by interference from naturally occurring axial standing waves in rectangular rooms. The apparatus uses two...
7353907 Speaker enclosure for a wall mounted speaker system  
A process and kit is provided for retro-installing a speaker enclosure for a wall mounted speaker. The process includes mounting a selected speaker surround member in a building wall between the...
7350618 Multimedia speaker product  
A satellite speaker system includes a side firing low mid driver mounted in a sub-enclosure which is vented into a second sub-enclosure through an acoustic resistance vent and to a third...
7315627 Sound-damping laminate for loudspeaker structure  
A sound-damping structure is provided for use as part of a sound-directing component of a loudspeaker. The structure includes a first structural layer, a second structural layer, and a core layer...
7305098 Hearing device  
A hearing device has an electrical/acoustical output converter that communicates with ambient air through a membrane. The membrane separates two spaces. Each space communicates with ambient air...
7302075 Electronic device with loudspeaker  
An electronic device such as a TV set has a casing ( 11 ), a loudspeaker unit ( 18, 24 ), a first surface ( 21 ) of which faces a wall ( 11 ) of the casing. Retaining means ( 17 ) are formed in the...
7270215 Loudspeaker enclosure with damping material laminated within internal shearing brace  
A loudspeaker cabinet with a laminated internal brace which has a first rigid layer coupled to a first exterior panel of the cabinet, a second rigid layer coupled to an a second exterior panel of...
7269270 Standing wave reducing  
The frequency at which standing waves occur in a loudspeaker enclosure may be reduced by the addition of an internal barrier to the enclosure in order to lengthen the effective length of an...
7263387 Speaker module design  
A speaker module ( 200 ) having a speaker unit ( 210 ) and a speaker box ( 220 ) is provided. The speaker module is mounted in a casing ( 22 ) of a hand-held electronic device ( 20 ). The speaker...
7212644 Resonant frequency adjustment using tunable damping rods  
A mechanical device is tuned using a tunable damping rod. The tunable damping rod can have its tension increased between its respective engines, to in order to increase the resonant frequency of...
7206428 Acoustic receiver having improved mechanical suspension  
The present invention is a receiver that includes electronics for converting an input audio signal to an output acoustic signal. The receiver has a housing for containing at least a portion of the...
RE39330 Speaker system and a method for improving sound quality thereof  
A speaker system suppresses standing waves generated in the system and reproduces clear and dynamic bass sound. The system includes a cabinet formed of acoustic insulation walls, and at least one...
7111706 Enclosure and audio-visual apparatus comprising same  
The acoustic enclosure comprises a box, on which is mounted at least one electro-acoustic transducer, and a vent which together with the box produces a bass-reflex system with a specified...
7068979 Mobile telecommunications device  
A mobile telecommunications device is disclosed and comprises a casing ( 2 ), an earpiece ( 6 ), and a cover ( 33 ) associated with the earpiece ( 6 ) to define a resonant cavity ( 34 ) between the...
7035419 Anti-resonant structure for speakers  
An anti-resonant structure for speakers includes a resonant structure which has a housing compartment, at least one elastic element located in the housing compartment that has one end fastening to...
7019621 Methods and apparatus to increase sound quality of piezoelectric devices  
A piezoelectric transducer comprises a piezoelectric component, an acoustic member attached to one of the surfaces of the piezoelectric component and a dampening material of low elastic modulus...
7011178 Sound transmitter and speaker  
A sound transmitter includes at least a vibrating membrane mounted on the wall of an enclosure so that one surface of the speaker membrane radiates in the enclosure, the enclosure being provided...
6914993 Piezoelectric film loudspeaker  
A piezoelectric film loudspeaker comprising a diaphragm having a flexible piezoelectric film and electrodes formed on the both surfaces of the flexible piezoelectric film and a frame for supporting...
6870941 Dipole radiating dynamic speaker  
A dipole radiating dynamic speaker design comprises a diaphragm ( 32 ) providing a surface for radiating acoustic output, a voice coil assembly ( 36 ) for driving the diaphragm, and a magnet system...
6788796 Differential microphone  
A new acoustic sensing device or directional microphone having greater sensitivity and reduced noise. The directional microphone or acoustic sensor has a rigid, one micron thick, polysilicon...
6782112 Low frequency transducer enclosure  
An acoustical transducer enclosure has an acoustic lever acoustically coupled to an electro-acoustical transducer so as to force all radiated sound through the lever.
6751330 Speaker system  
A driver unit is fixed to a stand. A front box and a rear box are directly fitted to the stand through a buffer material. A box comes into contact with the driver unit through a buffer material and...
6751329 Loudspeaker driver  
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...
6704427 Acoustic transducer with improved acoustic damper  
An acoustic damper for covering a housing inlet of a transducer is disclosed. The damper includes a mesh panel and a non-mesh periphery. The non-mesh periphery of the damper is adhesively attached...
6636750 Speakerphone accessory for a portable telephone  
A speakerphone accessory ( 100 ) is provided for use with a portable telephone ( 102 ). The speakerphone accessory ( 100 ) has a high-level speaker assembly ( 222 ) that includes a transducer ( 500...
6621910 Method and arrangement for improving leak tolerance of an earpiece in a radio device  
The invention relates to an arrangement for improving leak tolerance in an earpiece ( 100 ) of a radio device. The invention can be applied preferably in mobile stations. One idea of the invention...
6574347 Flat-panel loudspeaker with compressed dampeners  
An economical and compact flat panel loudspeaker is disclosed that effectively dampens undesirable standing waves that form in the diaphragm without adversely affecting the frequency response. The...
6526150 Telephone loudspeaker enclosure  
An apparatus for a microphone and speaker is provided which provides a sealed chamber behind the speaker to prevent sound waves behind the speaker from cancelling sound waves in front of the...
6490361 Apparatus having a housing which accommodates a sound transducer and which has a passage  
In an apparatus ( 1 ) having a housing ( 2 ) and having an electroacoustic transducer ( 14 ) accommodated in the inner housing space ( 9 ) and having at least one passage ( 28, 29 ) which traverses...
6473625 Earpiece acoustics  
A radiotelephone is provided which comprises a housing 1 having an earpiece port 4 , a loudspeaker 6 and a resonator. The resonator comprises and earpiece path form the loudspeaker to the...
6373956 Method and arrangement for attenuating mechanical resonance in a loudspeaker  
The present invention concerns the reduction of vibrations of a loudspeaker enclosure caused by the mechanical vibrations of the dynamic loudspeaker element by virtue of attaching one or more...
6356643 Electro-acoustic transducer  
An electro-acoustic transducer, such as a speaker device or an earphone device. Includes an electro-acoustic transducing unit, such as a speaker unit, for converting input electrical signals into...
6324292 Speaker apparatus  
A speaker apparatus comprises a speaker unit, a cabinet for forming an internal space on the rear side of the speaker unit with a plurality of wall surfaces including a baffle plate for use in...
6320971 Speaker system and a method for improving sound quality thereof  
A speaker system suppresses standing waves generated in the system and reproduces clear and dynamic bass sound. The system includes a cabinet formed of acoustic isolation walls, and at least one...
6278789 Frequency selective acoustic waveguide damping  
An acoustic waveguide loudspeaker system has an electroacoustical transducer having a vibratile surface. An acoustic waveguide has a first end open and a second end adjacent to the vibratile...
6275597 Loudspeaker system having a bass-reflex port  
A loudspeaker system comprises an enclosure which accommodates a loudspeaker device and a bass-reflex port (105). The port has two open ends (105b, 105c) and a central area (c) provided with...
6266427 Damped structural panel and method of making same  
A damped structural panel includes a panel having bending modes including demanding bending modes. The demanding bending modes have subsonic bending waves along at least one axis, and require...
6215655 Drive-in ordering apparatus  
An apparatus for protecting equipment in an outdoor communication structure from adverse weather conditions, vibration, and vandalism includes a housing that possesses hidden lip door edges and is...
6195442 Passive vibroacoustic attenuator for structural acoustic control  
This invention presents a passive vibroacoustic device that serves the dual function of attenuating the vibration of a flexible structure, and providing acoustic dissipation to the volume or cavity...
6173064 Isolation/damping mounting system for loudspeaker crossover network  
A mechanical mounting system and extensional damping technique for loudspeaker crossover networks. This system decouples the crossover network from the loudspeaker enclosure (cabinet), isolating it...
6154556 Dome speaker  
A dome speaker comprises a dome section including a vibrating diaphragm having a dome shape, an annular edge damper section provided surrounding the dome section, an annular coil holder provided...
6154554 Microphone  
The present invention provides a microphone in which a first acoustic capacity for mainly determining resonance frequency and a second acoustic capacity for mainly determining resonance sharpness...
6122389 Flush mounted directional microphone  
A unidirectional microphone element can be embedded within an object and be made flush to the object's surface yet retain its directional discrimination characteristic. Acoustic waveguides transmit...
6108429 Speaker adapted for use as a center woofer in 3-dimensional sound system  
A speaker has a substantially reduced overall size while producing a complete low frequency sound range at high output amplitude. The speaker includes a main body having open sections at both ends...
6104823 Speaker system  
A speaker system excellent in reproduction in bass range, which comprises a reinforcing post 3a to abut against the back side of a speaker unit 5 installed in a front cabinet 2. The reinforcing...
Matches 1 - 50 out of 80 1 2 >