Matches 1 - 24 out of 24


Match Document Document Title
US20060274914 Speaker apparatus and manufacturing method thereof  
A speaker apparatus comprises: a drive cone transferring a drive power of a voice coil to the diaphragm; a diaphragm disposed in a driving direction; and a diaphragm disposed in a driving...
US20060083402 Angled cone of loudspeaker  
An angled cone of loudspeaker is pressed with heat to form a polygonal cone body, in which a plurality of turning points is arranged radially while a deflective line is disposed annually to...
US20090034780 Diaphragm for full range boxless rotary loudspeaker driver  
The design of a diaphragm for a rotary loudspeaker driver that all but eliminates phase cancellation and therefore eliminates the necessity of a box to acoustically isolate the front sound from...
US20090060251 LOUDSPEAKER DIAPHRAGM AND LOUDSPEAKER USING THE SAME  
A loudspeaker diaphragm having a small overall height dimension, in which a dome portion has a sufficient rigidity and which is capable of realizing a stable loudspeaker operation, wherein the...
US20060078154 Electricalacoustic ransducer  
Disclosed is an electrical acoustic transducer applied to speakers, earphones, headphones, etc. The electrical acoustic transducer includes a frame having a cone, a voice coil provided on a lower...
US20060062423 Speaker diaphragm and method of forming the same  
It is an object of the present invention to ensure that when a speaker diaphragm having an adequate fire resistance is to be obtained, it is possible to ensure stability of various characteristics...
US20080008346 Dynamic reflection 4pi steradian omni directional tweeter  
A 4π steradian omni directional tweeter has a closed hollow body acting as a dynamic reflector connected at the center topside of a diaphragm. A piezoelectric element or a voice coil drives the...
US20070274558 Squeeze-stretch driver for earphone and the like  
A squeeze-stretch (also called, herein push-pull) loudspeaker or driver, such as an electret, can operate in an active noise reduction (ANR) earplug application. Other embodiments of a...
US20110019867 ELECTRO-ACOUSTIC TRANSDUCER WITH MULTI-FACED DIAPHRAGM ASSEMBLY  
One mode of the present invention provides an electroacoustic transducer composed of a multifaced diaphragm assembly and a multifaced speaker housing assembly that is housed inside the multifaced...
US20080192977 RADIO WITH DUAL SIDED AUDIO  
A dual-sided radio (100) for enhancing a user's experience is provided. The radio includes a primary transducer (110) on an audio-side of the radio that projects a primary sound, a secondary...
US20080053745 Electroacoustic transducer and diaphragm  
An electroacoustic transducer includes a magnetic circuit; a frame enclosing the magnetic circuit; and a diaphragm including a center vibrating portion and an outer circumferential vibrating...
US20070286448 Electroacoustic transducer diaphragm  
An electroacoustic transducer diaphragm is a multi-layered one which includes an intermediate diaphragm layer formed between a first surface layer and a second surface layer. The first and second...
US20050226459 Vibrating plate for speaker and method of fabricating the same  
A vibrating plate for a speaker, includes: a magnesium vibrating plate whose major component is magnesium; and an edge comprising a resin in which an inner peripheral edge of the edge is bonded to...
US20060182307 Speaker diaphragm, speaker unit and speaker apparatus  
To keep sounds emitted from a speaker apparatus in high quality. According to one embodiment of the present invention, a top layer and a back layer in a diaphragm of a speaker unit built in a...
US20150110339 PLANAR MAGNETIC ELECTRO-ACOUSTIC TRANSDUCER HAVING MULTIPLE DIAPHRAGMS  
A multi-diaphragm planar magnetic electro-acoustic transducer is provided, having a plurality of diaphragms arranged in one or more diaphragm modules. Each diaphragm comprises a substrate and at...
US20050078850 Audio loudspeaker  
The invention describes the incorporation of surface irregularities into a loudspeaker diaphragm to control the resonances of diaphragm. Through the use of the described resonance control...
US20070041607 Speaker vibrating parts  
A speaker vibrating part has a diaphragm body 10A and an approximately cylinder-shaped coupling portion 10B for coupling the diaphragm body 10A to a voice coil bobbin. Protruded strips 10Ba extend...
US20070127768 Speaker apparatus  
According to an embodiment of the invention, there is provided a speaker apparatus includes: a voice coil bobbin; and a diaphragm that is vibrated by the voice coil bobbin, the diaphragm including...
US20070183619 SPEAKER  
A speaker is disclosed in which a split resonance of a diaphragm main body and a natural resonance of an edge are controlled, achieving a high sound quality while realizing a weight reduction. A...
US20050084131 Loudspeakers  
A method of making an acoustic member for a loudspeaker having an operative frequency range and acoustic output which depends on the values of parameters of geometry, bending stiffness, areal mass...
US20120170796 ULTRA-THIN LOUDSPEAKER STRUCTURE  
An ultra-thin loudspeaker structure mainly includes an upper drum paper, a lower drum paper and a steel sheet. A winding semicircle-shaped protrusion is disposed in a position adjacent to an edge...
US20050111690 Speaker apparatus  
It is to consolidate the connecting structure of a vibration system of a speaker apparatus. A first diaphragm and a voice coil bobbin are connected by a connecting member. A second diaphragm...
US20100177926 Capacitive Electroacoustic Transducer and Microphone  
There is provided a capacitive electro-acoustic transducer comprising an active diaphragm (20) and a first and a second diaphragm carrier (60). The active diaphragm (20) is accommodated between...
US20160192079 ROTARY FLUX ACOUSTIC TRANSDUCER  
An electroacoustic transducer assembly may comprise one or more magnets, one or more magnetic flux conductors, and an acoustic membraneplate. The membraneplate, magnets, and flux conductors may be...

Matches 1 - 24 out of 24