Class 181/172 - Elastic suspension means

Subclass of Class 181 - Acoustics
Definition: Subject matter wherein the means to hold the diaphragm is
No. of patents: 133
Last issue date: 10/21/2008

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Number	Title	Issue Date
7438155	Tangential stress reduction system in a loudspeaker suspension A speaker system is provided, including a suspension element having an outer edge and an inner edge. The suspension element, such as a spider or surround, varies in shape along at least a portion of the suspension element to help relieve both the radial and tangenti...	10/21/2008
7428946	Suspension 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
7418107	Loudspeaker 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...	08/26/2008
7397927	Loudspeaker suspension A loudspeaker suspension structure has an inner circumferential border, and an outer circumferential border, and grooves each extending from the inner circumferential border to the outer circumferential border at an angle with respect to a normal to the inner circum...	07/08/2008
7360626	Audio speaker with wobble free voice coil movement A speaker that is designed to substantially eliminate wobble of the voice coil during operation, and thus remove that source of distortion and early failure of the speaker. This is accomplished with the creation of triangular ring that extends upward from the top ed...	04/22/2008
7336797	Apparatus and method for generating acoustic energy in a receiver assembly A receiver assembly includes a housing having a fixed housing portion and a shiftable housing portion cooperating to define a hollow cavity. A flexible membrane secured between the fixed housing portion and the shiftable housing portion and adapted to allow relative...	02/26/2008
7318496	Acoustic radiator with a baffle of a diameter at least as large as the opening of the speaker enclosure to which it is mounted Several different acoustic radiator designs improve performance over the prior art while providing a larger baffle (cone), a lesser volume of air displaced than by the smaller prior art speaker design, while maintaining the same enclosure mouth diameter and allowing...	01/15/2008
7316289	Electro-acoustic transducer and method of manufacturing transducer An electro-acoustic transducer includes a tone generator, a vibrator, and a case. The tone generator includes a diaphragm, and a voice coil joined to the diaphragm. The vibrator includes a magnetic circuit having a magnetic gap at which the voice coil is positioned,...	01/08/2008
7281311	Method of attaching a transfer resistant RFID tag to a surface A transfer resistant RFID tag preferably includes an identification chip, a tag coil, a housing and a cap. The identification chip is electrically connected to the tag coil with two wires. A first quantity of bonding compound is applied to a surface that is slightly...	10/16/2007
7275620	Square speaker A square speaker is disclosed having a novel surround with a novel rounded corner design and with a magnet assembly and former sized, shaped, and arranged to exploit the increased excursions enabled by the novel surround. The arcuate portion of the rounded corner fe...	10/02/2007
7266210	Recessed speaker box and mount A speaker system including in combination a speaker and surface mounting apparatus is disclosed. The speaker system has an adapter that secures the speaker system to the wall. A speaker box is secured to the adapter and has at least one speaker that is secured to at...	09/04/2007
7237315	Method for fabricating a resonator A method for fabricating a quartz nanoresonator which can be integrated on a substrate, along with other electronics is disclosed. In this method a quartz substrate is bonded to a base substrate. The quartz substrate is metallized so that a bias voltage is applied t...	07/03/2007
7225895	Audio speaker with wobble free voice coil movement A speaker that is designed to substantially eliminate wobble of the voice coil during operation, and thus remove that source of distortion and early failure of the speaker. This is accomplished with the creation of triangular ring that extends upward from the top ed...	06/05/2007
7218748	Tapered thickness surround for high excursion speaker driver A speaker driver surround has tapered thickness to provide improved linearity of the force versus displacement response. The tapered thickness surround provides for a larger emissive piston area, thus increasing the acoustic efficiency of the transducer. The surroun...	05/15/2007
7204009	Manufacturing method of acoustic sensor The present invention relates to a semiconductor electret condenser microphone capable of being reduced in size and including an acoustic sensor 100 and a case 200 for accommodating the acoustic sensor 100, the acoustic sensor 100 has a s...	04/17/2007
7185735	Audio speaker with wobble free voice coil movement A speaker that is designed to substantially eliminate wobble of the voice coil during operation, and thus remove that source of distortion and early failure of the speaker. This is accomplished with the creation of triangular ring that extends upward from the top ed...	03/06/2007
7174990	Tangential stress reduction system in a loudspeaker suspension The invention is a suspension element having an outer edge and an inner edge. The suspension element, such as a spider or surround, varies in shape along at least a portion of the suspension element to help relieve both the radial and tangential stress placed on the...	02/13/2007
7167573	Full range loudspeaker An edge-driven diaphragm loudspeaker driver is configured such that the suspension system of the driver is connected to the voice coil rather than to the diaphragm. Thus, the diaphragm in the loudspeaker is free of suspension systems connected to or extending from t...	01/23/2007
7110565	Electroacoustic transducer with a diaphragm, and method for fixing a diaphragm in such transducer An electroacoustic transducer employing a polymer connection for maximizing volume displacement. The transducer includes a diaphragm in a case and means for converting. The diaphragm includes a central portion. The means for converting converts between an electric s...	09/19/2006
7103960	Method for providing a backing member for an acoustic transducer array A method is provided for making a backing layer for an ultrasonic matrix array transducer useful in medical imaging and the like. A conductive grid is provided which includes a plurality of micro-contacts each joined together by a common base so that spaces are prov...	09/12/2006
7103948	Method of manufacturing piezoelectric wafers of saw identification tags The invention provides a method of manufacturing piezoelectric wafers of surface acoustic wave (SAW) identification tags. In one embodiment, the method includes: (1) using a master reticle to form, on each of the piezoelectric wafers, wafer-independent patterns that...	09/12/2006
7093343	Method of manufacturing an acoustic transducer An acoustic transducer design having a slotted oval-shaped shell and active transducer elements located on the inner surface of the shell is disclosed. The design provides a high power, ultra-low frequency oval projector having a number of applications, including un...	08/22/2006
7088836	Door with structural components configured to radiate acoustic Energy A door leaf includes a stiff, light structural part that maintains fed-in vibrational energy and, by flexural waves, propagates this energy in at least one active surface perpendicular to its thickness to distribute resonance mode vibration components over at least ...	08/08/2006
7080442	Manufacturing method of acoustic sensor The present invention relates to a semiconductor electret condenser microphone capable of being reduced in size and including an acoustic sensor 100 and a case 200 for accommodating the acoustic sensor 100, the acoustic sensor 100 has a s...	07/25/2006
7054459	Surrounding structure of a loudspeaker The surrounding structure of the loudspeaker forms an annular structure, including attaching parts and curved part. The cross section of the curved part is in a hollow and approximately elliptical form. The height along the major axis of the ellipse is made parallel...	05/30/2006
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 the resonant structure and another end coupling with a speaker, and a...	04/25/2006
7031487	Tabbed speaker frame with oversized diaphragm An acoustical transducer such as an audio loudspeaker or a microphone, having a suspension component whose outermost edge extends axially rather than radially and couples with an axial mounting surface in the transducer's frame rather than with a radial flat surface...	04/18/2006
7025170	Speaker A speaker in which the basket holding the voice coil, cone and damper has a ribbed top flange and a ribbed bottom flange, a gasket is capped on the suspension of the cone at the ribbed top flange and fastened thereto with screws without the use of glue, and a holder...	04/11/2006
6988584	Speaker diaphragm edge and its manufacturing method A speaker diaphragm edge obtained by hot-forming into a desired edge shape, a resin-treated base material, which was prepared by using a silkscreen printing technique to apply a shaping agent layer only to the necessary portion of a base material. ...	01/24/2006
6978861	Connection of sound bowl of loudspeaker A connection of the sound bowl and connecting portion of a loudspeaker is disclosed. The connection area is adhered with the elastic materials similar to the materials of sound bowl and connecting portion in order to beautify the appearance of loudspeaker and enhanc...	12/27/2005
6957714	Speaker and speaker diaphragm The speaker has a diaphragm main body 30 supported resiliently on a frame 23 via an edge portion 31 around its outer circumference, and the groove ribs 35 integrally formed in the edge portion 31, wherein a regulation member 37	10/25/2005
6956957	Loudspeakers A loudspeaker drive unit comprising a resonant acoustic radiator, an exciter on the radiator to apply bending wave energy to the radiator to cause it to resonate, a support for the loudspeaker drive unit, and means resiliently coupling the exciter to the support.	10/18/2005
6954971	Method for simultaneously making a plurality of acoustic signal sensor elements A fetal heart monitoring system preferably comprising a backing plate having a generally concave front surface and a generally convex back surface, and at least one sensor element attached to the concave front surface for acquiring acoustic fetal heart signals produ...	10/18/2005
6944310	Speaker apparatus A speaker apparatus includes an elliptical-shaped or a round-edged rectangular-shaped vibration plate; an edge damper portion disposed on an outer peripheral edge portion of the vibration plate; a recessed portion formed between said vibration plate and said edge da...	09/13/2005
6928720	Method of manufacturing a surface acoustic wave device A surface acoustic wave device includes a piezoelectric substrate and at least one interdigital electrode disposed on the piezoelectric substrate. The interdigital electrode is made of α-tantalum. ...	08/16/2005
6929091	Planar diaphragm loudspeaker and related methods A planar diaphragm loudspeaker for use in a suspended ceiling grid and related methods of manufacturing are provided. The loudspeaker includes a rectangular, planar diaphragm of polymer material sized to fill an opening of the ceiling grid. The front surface of the ...	08/16/2005
6920957	Loudspeaker diaphragm A loudspeaker diaphragm affixed with a coil includes an edge portion located outside of a portion affixed with the coil and a center portion located inside of the portion affixed with the coil. The center portion is provided thereon with ribs. With these ribs, the h...	07/26/2005
6892850	Surround for speaker system and manufacturing method thereof A speaker's surround to be attached to an edge of a diaphragm in a speaker system is provided, which is capable of keeping its predetermined shape while repeating elastic deformation for accommodating large amplitude vibration of the diaphragm. Further, the surround...	05/17/2005
6889796	Loudspeaker suspension An annular surround for a loudspeaker cone wherein a radial cross-section of the surround varies around the circumferential extent of the surround, so as to accommodate peripheral expansion or contraction of the surround by bending. Thus a trough shaped cross-sectio...	05/10/2005
6888946	High frequency loudspeaker A tweeter with a light, thin sandwich plate which can be excited into multiple reflected bending waves, and a driver which makes a vibrating contact and excites the sandwich plate, where the driver is designed for higher sound frequencies and the sandwich plate for ...	05/03/2005

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Class 181/172 - Elastic suspension means