Matches 1 - 50 out of 191 1 2 3 4 >
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7570774 Speaker having improved sound-radiating function to both directions  
A speaker having an improved sound-radiating function to both directions is provided. The speaker includes a magnetic circuit unit, a voice coil, and an auxiliary vibrating plate and a primary...
7555133 Electro-acoustic transducer  
An electro-acoustic transducer includes a first electro-acoustic transduction unit. The first electro-acoustic transduction unit includes an acoustic radiation plate which radiates a sound wave, a...
7551749 Baffle vibration reducing  
An electro-acoustic transducer includes a magnet assembly having a first magnetic flux gap and a second magnetic flux gap. A first voice coil is positioned in the first magnetic flux gap. A first...
7539318 Speaker unit, method for fabricating the same, and speaker apparatus  
A speaker apparatus is configured such that a speaker unit including a single magnetic circuit system, a plurality of vibration systems and a case is housed inside a speaker box. In the speaker...
7519191 Loudspeaker, manufacturing method thereof, and mobile telephone using the same  
A loudspeaker used mainly for mobile communication equipment such as a mobile telephone and having two loudspeaker parts provided in one frame is provided. In the loudspeaker, a yoke has a groove...
7515723 Electro-acoustic converter with demountable diaphragm and voice coil assembly  
A loudspeaker drive unit includes at least one voice coil, a diaphragm, permanent magnet element and pole piece element. The permanent magnet element and pole piece element form a magnetic circuit...
7502485 Loudspeaker, loudspeaker module, and electronic equipment using the loudspeaker module  
Provided are a low-profile loudspeaker, loudspeaker module, and electronic equipment having improved hermeticity and excellent characteristics and for use in audio equipment. The loudspeaker,...
7499555 Personal communication method and apparatus with acoustic stray field cancellation  
Personal communication method and apparatus, such as telephone handsets and headsets, with acoustic stray field cancellation are disclosed. The personal communications device employs an echo...
7454030 Subwoofer with cascaded linear array of drivers  
A single folded, expanding horn loudspeaker reproduces low frequency audible sound at high power output levels. A compact enclosure houses a plurality of identical transducers, characterized by...
7436738 Play-back device  
A body device has a dual mode function and includes: a play-back mode setting unit for selecting a plurality of play-back modes such as a CD mode, an AM mode, an FM mode and so on; and a control...
7418104 Speaker system  
A speaker system having a first speaker, a second speaker, and a housing having a first mounting surface to which the first speaker is mounted and a second mounting surface to which the second...
7415125 Apparatus and method for creating acoustic energy in a receiver assembly with improved diaphragms-linkage arrangement  
A receiver assembly includes a first diaphragm assembly having a diaphragm, and a second diaphragm assembly having a diaphragm. A linkage assembly is coupled to an armature of the receiver. The...
7409071 Large-diameter arcuate speaker  
In an arcuate array of speakers ( 100 ) the wind component of air motion near each speaker is converted into sound because the wind is trapped within the arc, and therefore the bass response is...
7388960 Multimedia speaker headphone  
A multimedia speaker headphone has a headband, two ear-covers and a control and transmission device. The ear-covers are mounted pivotally on the headband and each ear-cover has an earphone speaker...
7333621 Conductive stub of sound exciter  
A conductive stub of a sound exciter comprises an insulating stub and at least two beams. Each beam has a positive electrode surface and a negative electrode surface. The stub is connected with a...
7329933 Silicon microphone with softly constrained diaphragm  
A microphone sensing element and a method for making the same are disclosed. The sensing element has a diaphragm and an attached electrical lead-out arm preferably made of polysilicon that are...
7324834 Speaker system  
A speaker system functioning as a stand capable of power supply to a mobile phone and hand-free communication and being capable of derived surround reproduction or stereo reproduction is provided....
7317810 Magnetic circuit and speaker  
A speaker and a magnetic circuit for a speaker, in which the high quality sound is obtained, are provided using a structure which is thin, light-weight and symmetrical in the vibration direction....
7245729 Loudspeaker  
A loudspeaker includes a box-form structure made from stiff lightweight sheet material to define a plurality of faces, at least one face of the structure forming a panel-form bending wave acoustic...
7218743 Speaker module and apparatus using this  
A speaker module includes a first diaphragm and a second diaphragm acoustically coupled with each other as a part of a wall forming a hermetic space with a panel. A light emitting section emits...
7210213 Method for manufacturing a dynamic speaker  
A speaker collective substrate with component insertion hole sections and electrode sections has a plurality of speaker forming areas. An electrical speaker section, which comprises a magnetic...
7171013 Loud speaker  
A loudspeaker system designed for ceiling installation. The system includes a woofer, a midrange speaker and a tweeter commonly supported on a rotatable support member which in turn is supported on...
7162050 Compound sound generator  
A case is provided for mounting an information equipment and a frame of the compound sound generator is set in the case. A speaker and receiver are provided in the frame. A first back chamber is...
7142680 Multiple waveguide coaxial ceiling loudspeaker  
A flush mountable ceiling speaker ( 10 ) with individual coaxial waveguides ( 20, 22 ) for both the lower and high-frequency transducers ( 11, 12 ). The lower frequency radiation is combined with...
7120264 Sound reproducing apparatus  
A sound reproducing apparatus includes a display unit, a board 22 , a diaphragm panel 23 , and an electroacoustic transducer 26 . The display unit displays an image on a display surface. The...
7021419 Speaker system  
A small-sized speaker system having a very excellent bass-range reproduction capability includes a sound radiation component for guiding acoustic waves radiated from the speaker units to a free...
6996243 Loudspeaker with shaped sound field  
The loudspeaker and method provide a driver of a loudspeaker that is movable parallel to an axis of movement through a center of the driver to produce sound waves. The driver is aligned with the...
6985593 Baffle vibration reducing  
A vibration reducing apparatus comprising, a baffle subject to vibration, a first electroacoustical transducer characterized by a first mass seated in the baffle, a second electromechanical...
6980664 Double-dome speaker  
A loudspeaker comprising a moving coil and a membrane fastened to a chassis, where the membrane is divided into a concentrically disposed inner membrane part and a concentrically disposed outer...
6963651 Single magnetic circuit dual output speaker  
The present invention discloses an improved single magnetic circuit dual output speaker, comprising a support retainer with an expanded opening at its front end, a bridge disposed across the...
6963650 Coaxial speaker with step-down ledge to eliminate sound wave distortions and time delay  
A coaxial speaker assembly ( 10 ) with reduced sound distortion, sound time delay, and polar response distortion. The coaxial speaker assembly ( 10 ) includes a high-frequency speaker system ( 16 )...
6940990 Multi-channel audio center speaker device  
This invention discloses a multi-channel audio center speaker device that has a low-frequency sound box working together with a mid-frequency sound box each on both sides, and the low-frequency...
6925191 Flat panel speaker  
A loudspeaker having a back plate, a driver attached to the back plate, the driver being responsive to an electrical signal, an enhancer having a neck and a mouth, the neck attached to the driver...
6925190 Flush mount speaker mounting apparatus  
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...
6910549 Embedded multimedia speaker structure  
An embedded multimedia speaker structure includes a five-facet housing having a same dimension as that of a 5-and-ΒΌ-inch disk drive; a recess disposed at a bottom center portion of the housing; a...
6834113 Loudspeaker system  
A loudspeaker system, which has the ability to create a homogeneous sound over large distances, comprising at least one line-source of acoustical radiation, each comprising three or more...
6813362 Loudspeaker and method of making same  
A loudspeaker includes an assembly of at least two bending wave panel-form acoustic members each having a set of modes which are distributed in frequency. The parameters of at least two of the...
6804370 Speaker capable to playback in wide frequency range  
A speaker capable to playback in wide frequency range by means of reducing peak values of amplitude of resonance frequencies in frequency characteristics is provided by means of differing a radius...
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.
6778675 Speaker device  
In a speaker device including a plurality of speakers outputting different frequency bands, for a listener listening to sound from the speaker device, a first emitting direction of a first speaker...
6766027 Elliptical 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...
6731765 Loudspeaker device  
A loudspeaker device includes left and right channel loudspeaker units which are disposed on left and right sides in close proximity to each other, and a partition member projecting forwardly in...
6721436 Remote edge-driven panel speaker  
A loudspeaker for vehicles having cabins, the loudspeaker including a diaphragm including a first, planar portion for radiating acoustic energy and a second, planar portion for transmitting...
6721431 Prismatic loudspeaker/microphone array  
An audio array for receiving or generating audio signals. The audio array includes first, second and third audio elements and first second and third structures. Each of the first second and third...
6704426 Loudspeaker system  
A bandpass loudspeaker enclosure system including at least one electro-acoustic transducer with a vibratable diaphragm having a first acoustical coupling surface and a second acoustical coupling...
6678384 Speaker structure  
A speaker structure having a simple configuration while maintaining good sound quality is disclosed. The speaker structure comprises a first speaker ( 20 ) having a first vibration plate ( 21 ), a...
6647122 Loudspeaker drive unit  
The present invention relates to a compound loudspeaker. In the loudspeaker, the L.F. drive unit has a curved flexible diaphragm whose shape is determined such that it optimally controls the...
6493452 Speaker unit  
A speaker unit includes a woofer having a diaphragm with an ellipse shape sound emitting opening, and a separate speaker having an ellipse shape diaphragm with an area smaller than that of the...
6466676 Compound driver for acoustical applications  
A compound driver acoustic transducer. A frame supports a motion generator to one side of two diaphragms. An intermediate diaphragm is continuous and is driven by the motion generator. The...
6466675 Loudspeaker system  
The invention relates to a loudspeaker system. The loudspeaker system respectively includes first and second satellite speaker having a housings supporting a high frequency driver and a middle...
Matches 1 - 50 out of 191 1 2 3 4 >