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| Number | Title | Issue Date |
| 7986805 | Acoustic diaphragm An acoustic diaphragm is disclosed having a plurality of acoustic elements supported by the diaphragm. In a preferred form, each element is coupled to a driver and extends radially at a uniform acute angle to a normal of the driver. In the preferred embodiment, a pl... | 07/26/2011 |
| 7567684 | Speaker diaphragm and speaker using the same A speaker diaphragm 1 includes a first diaphragm portion 5, a second diaphragm portion 6 integrally molded with the first diaphragm portion 5, and a bobbin-receiving portion 7 protruding from a back side of a connecting portion bet... | 07/28/2009 |
| 7447328 | Loudspeaker A loudspeaker includes a diaphragm, an edge, and a voice coil. The diaphragm includes a groove having a concave cross section. Also, the diaphragm is in a horizontally or vertically elongated shape. The edge is coupled to an outer circumference of the diaphragm, and... | 11/04/2008 |
| 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 |
| 7418109 | Diaphragm structure of light sound converter A diaphragm (1) of a light sound converter which has a high performance, is suitable for mass-production and has a slit (1s) formed therein. A light emitting element and a light receiving element are disposed at positions opposed to a reflective... | 08/26/2008 |
| 7416047 | Diaphragm for a loudspeaker with a moving coil A preferably elongated loudspeaker (LS), which preferably comprises a cylindrical moving coil (SP) and an elongated diaphragm (M) with an elongated fastening part (B) and an annular retaining part (H) lying within the fastening part (B), and with corrugations (S1... | 08/26/2008 |
| 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 |
| 7315628 | Diaphragm for loud speaker and loud speaker employing it The present invention provides a diaphragm for a loudspeaker which suppresses divided resonance and shows a stable sound-pressure-frequency characteristic, and a loudspeaker using the diaphragm. The diaphragm includes three or more thick parts (11c) of... | 01/01/2008 |
| 7312795 | Image display apparatus and method Image display method of superimposing virtual space image data on real space image data at an arbitrary viewpoint and exhibiting the superimposed image to a viewer is provided. When real space image data, including a prototype generated based on three-dimensional CA... | 12/25/2007 |
| 7306073 | Electroacoustic transducer comprising a membrane with a middle area comprising stiffening grooves A membrane (20) has a membrane axis (5) and a middle area (50), a central cup-shaped depression (52) being provided around said membrane axis (5), which depression (52) preferably has a connecting channel (53), wherei... | 12/11/2007 |
| 7292702 | In-wall speaker system method and apparatus The disclosure relates to an in-wall speaker system, specifically a system that is not readily visible and mounted in a room. The in-wall speaker system is comprised of a base frame that is adapted to be mounted between support members of a wall. The in-wall speaker... | 11/06/2007 |
| 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 |
| 7277556 | Vibrating plate of dynamic microphone, method of manufacturing the vibrating plate and dynamic microphone comprising the same It is an object to provide a vibrating plate of a dynamic microphone and a method of manufacturing the vibrating plate, the vibrating plate having a sub-dome and a center dome to which a voice coil is bonded by an adhesive. A mechanical intensity of the vibrating pl... | 10/02/2007 |
| 7254248 | One-magnet rectangular transducer An electroacoustic transducer comprising a magnetic circuit of a magnetically conductive material with a pair of opposed surfaces defining a gap there between, the magnetic circuit comprising one magnet. The magnet can either be positioned in the center of the magne... | 08/07/2007 |
| 7236602 | Device for actuating a membrane and a vehicle comprising a device for actuating a membrane A device is provided for actuating a membrane arranged in an opening to a space, and a vehicle having such a device. The membrane has a first surface and a second opposite surface, and is limited by an edge area. The device includes a first strip to be attached to t... | 06/26/2007 |
| 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 |
| 7203333 | Speaker A speaker has a diaphragm (16) and a suspension holder (19) supporting the diaphragm from the back surface of the diaphragm. The diaphragm has a bent section (21) disposed between its outer periphery and its inner periphery, with the portion to ... | 04/10/2007 |
| 7200240 | Loudspeaker spider with enhanced structure A spider with an enhanced structure is disclosed. The spider has a plurality of concentric corrugations each of which has a plurality of inflections so that the concentric corrugations have polygonal shapes. With this enhanced structure, a spider can have an improve... | 04/03/2007 |
| 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 |
| 7177440 | Electromagnetic transducer with asymmetric diaphragm An electromagnetic transducer such as an audio speaker which includes an asymmetric diaphragm to deliver smooth frequency response with reduced distortion by reduction of common modes in the diaphragm. Other benefits such as asymmetric directivity patterns can be re... | 02/13/2007 |
| 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 |
| 7164776 | Vibration balanced receiver A balanced receiver providing significantly reduced vibration is disclosed. The balanced receiver comprises a closed loop operably attached between an armature and a diaphragm. The effective moving mass of the diaphragm is designed to match the effective moving mass... | 01/16/2007 |
| 7152299 | Method of assembling a loudspeaker Electro-dynamic loudspeakers typically include a diaphragm having a conductor applied to one of its surfaces. The diaphragm is secured to a frame. The conductor is connected to a power supply for providing electrical current through linear traces of the conductor th... | 12/26/2006 |
| 7130432 | Speaker mounting system and method A system and a method for mounting a speaker unit (12). The system (12) containing a surface mounting bracket (14) including at least one attaching feature (20) and a speaker unit (12). The speaker unit (12) comprises at lea... | 10/31/2006 |
| 7120263 | Bending wave acoustic radiator A bending wave panel-form acoustic radiator formed from sheet material to define an acoustically active area and having at least one integral stiffening member in the form of a corrugation extending out of the plane of the sheet and at least partially across the aco... | 10/10/2006 |
| 7095863 | Panel form loudspeaker A panel form loudspeaker comprises a resonant multi-mode radiator (11) which in turn comprises a plurality of substantially concentric sub-panels (20, 21, 22, 23). A plurality of analogue drivers (10) drive the radiator (11), one or more ... | 08/22/2006 |
| 7057314 | Electromagnetic motor system capable of removing heat away from its magnetic gap An electromagnetic drive motor assembly (EDMA) has at least one bridge that extends along a radial direction to conduct heat away from the magnetic gap and towards the outer surface of the EDMA. The EDMA includes a conductive ring between a first plate and a second ... | 06/06/2006 |
| 7031488 | Super tweeter A super tweeter includes a magnetic base, a voice coil, a frame annularly mounted to the magnetic base, a central supporting member mounted on a central portion of the magnetic base, a diaphragm, an annular inner supporting member, and an annular outer supporting me... | 04/18/2006 |
| 7027609 | Diaphragm for speakers A diaphragm for a speaker comprises a metal cone 2 and a paper auxiliary cone 4 bonded integrally to the center portion of the metal cone 2. ... | 04/11/2006 |
| 7020302 | Speaker, speaker module, and electronic equipment using the speaker module A loudspeaker comprising an enclosure 31 provided with a second diaphragm disposed at an opening, and at least one sound generator 40 coupled acoustically with the enclosure. The sound generator is provided with a first diaphragm 27, wherein the... | 03/28/2006 |
| 6995659 | Sound generating transducer A sound transducer comprises at least one sound unit based on at least one radially sound emitting diaphragm arranged in a substantially cylindrical or tubular form, the diaphragm including electromechanically converting material capable of creating sound by changin... | 02/07/2006 |
| 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 membrane part, whereby a meeting area is defined between the inner membr... | 12/27/2005 |
| 6963653 | High-order directional microphone diaphragm The invention features a miniature, second-order, microcrystalline silicon microphone diaphragm formed using silicon microfabrication techniques. The diaphragm is composed of two or more rigid diaphragm elements hinged to one another providing second- or higher-orde... | 11/08/2005 |
| 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 |
| 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 |
| 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 and movable in accordance with the movement of the driver, a thin film... | 08/02/2005 |
| 6862361 | Audio speaker An audio speaker including a chassis and a diaphragm defining an axis. A suspension movably interconnects the diaphragm and the chassis for reciprocating movement of the diaphragm along the axis. A motor is operably connected to the diaphragm for powered movement th... | 03/01/2005 |
| 6845169 | Speaker parts and method of manufacturing same A speaker edge is molded of a rubber material with 0.1 wt % to 10 wt % short fibers added to the rubber material which ranges from 1.0 mm to 10 mm in length and are resistant to softening by heat, in which the short fibers are oriented to the radial direction of the... | 01/18/2005 |
| 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 of curvature R1 of an inner diaphragm 10a and a ... | 10/12/2004 |
| 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 arcuate inner surface. First and second speaker components are mounted wit... | 07/20/2004 |
