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Class 381/398 - Having diaphragm support feature


Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter having specific structure to maintain a sound
No. of patents: 283
Last issue date: 03/27/2012


1                
NumberTitleIssue Date
8144916Vibrating system of panel form electrodynamic loudspeaker
The present invention discloses a vibrating system of flat-plate electrodynamic loudspeaker, which comprises a flat-plate vibrating plate and a voice coil mounted under the vibrating plate. The vibrating system is characterized in that the thickness of the vibrating...
03/27/2012
8139812Loudspeaker suspension
Disclosed is a loudspeaker suspension structure having asymmetrical grooves. In an aspect, an apparatus includes a loudspeaker suspension structure having grooves, each extending from an inner circumferential border, to an outer circumferential border, at least one ...
03/20/2012
8139813Speaker device
A flat speaker device capable of emitting loud reproduced sound with a relatively simple configuration is provided. The speaker device includes a diaphragm, a frame supporting the diaphragm vibratably in the vibration direction, a magnetic circuit disposed in the fr...
03/20/2012
8131001Speaker diaphragm and electrodynamic loudspeaker using the same
The present invention provides a loudspeaker diaphragm and an electrodynamic loudspeaker of an elongated shape being shorter in the minor-axis direction than in the major-axis direction, which have a desirable sound reproducing capability with a high efficiency and ...
03/06/2012
8116510Loudspeaker
A magnetic circuit part of a loudspeaker is formed of a plate, a magnet, and a yoke. A step is disposed in the plate that comes into contact with a disc-like magnet and forms a magnetic gap. A loudspeaker is provided where the step moves a voice coil away from the l...
02/14/2012
8094862Speaker
A speaker having smaller distortion and driven at higher efficiency is disclosed. The speaker includes a frame, a magnetic circuit supported by the frame, a voice coil unit placed movable with respect to magnetic gap provided to the magnetic circuit, a diaphragm of ...
01/10/2012
8094864Diaphragm unit and speaker using the same
A diaphragm unit is arranged to be used in a loudspeaker including a frame. The diaphragm includes a diaphragm and an edge joined to an outer periphery of the diaphragm. The diaphragm extends in a longitudinal direction and has a first center line extends along the ...
01/10/2012
8094863Separate support structure for loudspeaker diaphragm
A support structure for supporting and protecting the diaphragm of loudspeaker includes a first elastomer which has a first interface with a camber shape, a second elastomer which has a second interface with a complemental shape of the first interface, the first ela...
01/10/2012
8094865Speaker surround structure for maximizing cone diameter
A surround that is generally arched in shape and that includes a radial exterior flange that extends downward from exterior side of the arched portion of the surround and that adhesively attaches to the inner wall or edge of the mounting ring of the frame of the lou...
01/10/2012
8085968Resonating cone transducer
An electroacoustical transducer includes a bobbin, a first acoustic radiator coupled to the bobbin through a first surround having a mechanical compliance, a second acoustic radiator generally rigidly coupled to the bobbin, and a basket. The first acoustic radiator ...
12/27/2011
8073186Loudspeaker
A loudspeaker including a frame, a movable diaphragm that oscillates, and a suspension for mounting the diaphragm to the frame, where the suspension comprises a flexible surround having a substantially enclosed space where at least a portion of the flexible surround...
12/06/2011
8045746Speaker device
It is an object of the present invention to use a simplified structure to improve a strength of a neck portion of a conical diaphragm in the vicinity of a voice coil fixing section, thereby inhibiting an undesired dividing vibration in a speaker device. The speaker ...
10/25/2011
8045745Edge support for a speaker apparatus comprising multiple ridges
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 an edge portion at an outer circumference of the diaphragm, the edge ...
10/25/2011
8041069Loudspeaker
A high efficiency loudspeaker without a damper is provided. The loudspeaker includes magnetic circuit having a magnetic gap and a voice coil member, which has movable coil, disposed in the magnetic gap of the magnetic circuit. The loudspeaker also includes a diaphra...
10/18/2011
8041070Speaker
The invention relates to a small speaker. A speaker 1 comprises: a magnetic circuit 3 having a yoke 7, a magnet 15, and a pole piece 16; a vibration system 4 having a voice coil 18 and diaphragm 19 which are jo...
10/18/2011
8041068Loudspeaker
Loudspeaker has frame, magnetic circuit, voice coil, diaphragm, first combination and second combination. First combination and second combination are both provided closer to magnetic circuit than diaphragm, the inner rims of which are connected to voice coil while ...
10/18/2011
8023688Ultra low frequency transducer and loud speaker comprising same
An ultra low frequency transducer or subwoofer for automotive speaker systems with a polygonal, concave diaphragm. The periphery preferably is sized to be substantially coextensive with the front of the speaker housing or cabinet. In this way, air displacement in th...
09/20/2011
8023687Loudspeaker
A loudspeaker includes a diaphragm and an edge having an inner periphery end portion thereof connected with an outer periphery of the diaphragm, in which an outer end portion of the edge is attached to a speaker frame. The diaphragm has a bent portion in the vicinit...
09/20/2011
8009856Speaker
An uncured fluid adhesive is charged into a groove surrounding the outer circumference of a voice coil so that the inner circumferential edge of a diaphragm is immersed in the adhesive. The cured adhesive securely bonds the diaphragm to the voice coil, and thus the ...
08/30/2011
7974434Loudspeaker
A loudspeaker includes a frame; a magnetic circuit supported by the frame; a voice coil disposed in a magnetic gap of the magnetic circuit so as to be able to vibrate freely in the gap; a diaphragm connected to the frame at the outer rim thereof via a first edge and...
07/05/2011
7974433Insert molded surround with mechanical support
A suspension member for a diaphragm, the suspension member comprising an inner portion being adapted to be attached to a substantially stiff piston part, a outer portion arranged on or integrated with a substantially stiff support member so as to mechanically stabil...
07/05/2011
7970161Acoustic transducer having reduced thickness
A transducer for a hearing aid includes a housing, a relatively thin membrane having a free end suspended in the housing for vibration in response to a motor. The motor has a coil and a magnet assembly, the coil being mounted in the housing beneath the membrane; the...
06/28/2011
7929724Loudspeaker
A loudspeaker has a frame, a magnetic circuit, a voice coil body, a first edge, a diaphragm, a second edge, and a damper. The magnetic circuit is provided with a magnetic gap, and is supported by the frame. The voice coil body is disposed movably with respect to the...
04/19/2011
7916890Ultra low frequency transducer and loud speaker comprising same
An ultra low frequency transducer or subwoofer for automotive speaker systems with a rectangular or square or otherwise polygonal diaphragm. The basket of the transducer has a correspondingly polygonal front, which preferably is sized to be substantially coextensive...
03/29/2011
7899202Loudspeaker with cone-coupled damper
A loudspeaker includes a circular damper, a cone, and a cylindrical bobbin. The circular damper may include a centrally disposed cone attachment protuberance and a peripherally disposed top plate attachment section. The cone may have a central inner portion that may...
03/01/2011
7876923Loudspeaker gasketing
A seal consists of an annular thermoplastic body having a relatively thinner annular base and a relatively thicker, compressible annular bead. The annular body has a shape that corresponds to a mounting surface of a loudspeaker. A surface of a rim of a loudsp...
01/25/2011
7747035Unipole radiator loudspeaker
A loudspeaker having a diaphragm with a fixed edge and a free edge, and a multiplicity of conductors running parallel to its length and adjacent to the free edge. ...
06/29/2010
7711137Transducer with deformable corner
A transducer generates acoustic energy. The transducer is suitable for incorporation into any device that needs sound reproduction capability, including devices with generally rectangular geometries such as cell phones, PDAs, and portable gaming devices. The transdu...
05/04/2010
7711138Loudspeaker including a cone circumscribed by a stiffener
The present invention is a loudspeaker. The loudspeaker includes a frame, a cone having an outer edge in a shape of a reverse angle flange, and a reinforcing ring bonded to a back side of the flange. ...
05/04/2010
7706561Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer
Apparatus and method for manufacturing an electroacoustic transducer for, for instance, a hearing aid, with a diaphragm arranged in a housing. The diaphragm is attached onto a film or punched from a sheet of material, such that along the circumferential edge of the ...
04/27/2010
7548631Speaker surround structure for maximizing cone diameter
A surround that is generally arched in shape and that includes a radial exterior flange that extends downward from exterior side of the arched portion of the surround and that adhesively attaches to the inner wall or edge of the mounting ring of the frame of the lou...
06/16/2009
7542583Loudspeaker
A loudspeaker has a configuration in which edge diameter in the cross section of second edge coupled to suspension holder is set to be larger than edge diameter in the cross section of first edge coupled to diaphragm. With such a configuration, a loudspeaker with re...
06/02/2009
7539323Speaker
Disclosed is a speaker configured to reduce or eliminate distortions when a diaphragm thereof vertically moves in sound reproduction and which can be downsized. This speaker includes: a cylindrical frame having a bottom face and an open top; a magnetic circuit dispo...
05/26/2009
7529380Multifunction-type vibration actuator and mobile terminal device
A multifunction-type vibration actuator and a mobile terminal device capable of decreasing the lowest acoustic resonance frequency and preventing breakage of a coil lead as well as improving acoustic characteristics and preventing sound leaks. A portion near the out...
05/05/2009
7515728Speaker apparatus
A speaker apparatus including: a first diaphragm; a second diaphragm arranged coaxial with the first diaphragm along a driving direction; a frame having diaphragm supporting portions; and a voice-coil bobbin, wherein outer circumferential portions of the first diaph...
04/07/2009
7480390Loudspeaker edge
The present invention provides a loudspeaker including an edge formed in such manner that a thickness of a sectional shape in a radial direction increases from an inner peripheral portion toward an outer peripheral portion. Due to this structure, a mechanical impeda...
01/20/2009
7480391Speaker gasket and its manufacturing method, and speaker device
A speaker gasket and its manufacturing method, and a speaker device, the speaker gasket formed by a rectangular sheet with a flat opening of a girth of a prescribed length at the center and capable of significantly reducing the amount of wasteful material in manufac...
01/20/2009
7463749Diaphragm edge of speaker
Provided is a diaphragm edge of a speaker which is formed by compressing a material including silicon rubber and has an emboss portion on a front surface thereof so that sensitivity of sound is improved. Also, a diaphragm edge of a speaker is formed by compressing a...
12/09/2008
7443996Loudspeaker
A high efficiency loudspeaker without a damper is provided. The loudspeaker includes magnetic circuit having a magnetic gap and a voice coil member, which has movable coil, disposed in the magnetic gap of the magnetic circuit. The loudspeaker also includes a diaphra...
10/28/2008
7428946Suspension and electro-acoustic transducer using the suspension
A suspension with a plurality of roll sections each of which has a semi-cylindrical shape from a cross-section view. The roll sections are disposed side by side based on a straight line connecting two points on an inner periphery or an outer periphery. The roll sect...
09/30/2008
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