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| Number | Title | Issue Date |
| 8180074 | Display device and speaker system for the display device At least one exciter is used to produce sound for a flat panel display. The exciter vibrates the housing for production of sound. The housing may also include a plate mounted on the front surface of the housing and the exciter may be attached to the plate, which ser... | 05/15/2012 |
| 8150076 | Sound converter with enclosure The present invention discloses a sound converter with an enclosure which utilizes an outer space to expand a resonance space. The sound converter with the enclosure includes a frame being equipped with a magnetic circuit for forming a magnetic field in a predetermi... | 04/03/2012 |
| 8139795 | Loudspeaker system for aircraft cabin A loudspeaker system for an aircraft cabin for passengers has a support structure, which includes multiple flexible flat elements, forming the internal walls of the cabin, and fastening devices for fastening flat elements to the support structure, so that the flat e... | 03/20/2012 |
| 8103024 | 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 ... | 01/24/2012 |
| 8090124 | Gasket member, diaphragm, flat panel speaker, method of mounting same flat panel speaker, and method of assembling electronic device A method of mounting a flat panel speaker is provided which is capable of reliably preventing entry of dust and of shortening assembling time. By bonding a gasket member to a diaphragm, by pasting a separator to a gasket member side opposite to the diaphragm and, by... | 01/03/2012 |
| 8085955 | Electromagnetic lever diaphragm audio transducer A transducer including a frame and a panel disposed within the frame and coupled to the frame such that the panel may rotate relative to the frame about a rotational axis. The transducer includes an actuator positioned to engage the panel such that the panel rotates... | 12/27/2011 |
| 8077884 | Actuation of floor systems using mechanical and electro-active polymer transducers Transducers and resonators are embedded in body support structures in contact with a user to for the purpose of conveying musical sound energy to a user's body at selected frequencies and in selected patterns. Body support structures comprise beds, pillows, chairs, ... | 12/13/2011 |
| 8073162 | Speaker A speaker includes a sound source, a rod-like member whose base end is in contact with the sound source, and a pair of flexible wing members whose ends are attached to the tip of the rod shape member, and whose other ends are free. ... | 12/06/2011 |
| 7986799 | Device for actuating a membrane and a vehicle comprising a device for actuating a membrane The invention refers to a device (3) for actuating a membrane arranged in an opening to a space, and a vehicle having such a device. The membrane (1) has a first surface (1′) and a second opposite surface (1″), and is limited by an ed... | 07/26/2011 |
| 7983432 | Point excitation placement in an audio transducer The present invention provides methods and apparatuses for an audio transducer. The audio transducer is excited by driving a paddle of a diaphragm. A plurality of node regions of a paddle is determined for the higher-order modal components, which correspond to reson... | 07/19/2011 |
| 7916878 | Acoustic device and method of making acoustic device An acoustic device comprising a diaphragm (10) having an area and having an operating frequency range and the diaphragm (10) being such that it has resonant modes in the operating frequency range, an electromechanical transducer having a drive part cou... | 03/29/2011 |
| 7907742 | Exciter for directly vibrating board and speaker apparatus used the same An exciter for directly vibrating a board treated for dustproofing and heat dissipation, provided with a vibrator comprised of an outer yoke, a permanent magnet, and inner yoke, having a coil fixed inserted between the outer yoke and inner yoke, and having a coupler... | 03/15/2011 |
| 7876916 | Card-type sound apparatus and electronic appliance provided therewith A card-type sound apparatus has, on a card-shaped substrate, a combination of a sound signal input portion to which a sound signal is input from outside and a sound generation portion that generates sound according to the sound signal input to the sound signal input... | 01/25/2011 |
| 7840018 | In-wall sub-woofer system with high-volume displacement An in-wall speaker system having at least one pair of active transducers mounted in a wall section. The active transducers may be mounted in at least one enclosure. Each active transducer has a sound radiating surface. Each active transducer is also mounted substant... | 11/23/2010 |
| 7840017 | Audio message transfer sheet and manufacturing method thereof, and power supply circuit Sheet-like audio information recording/reproducing means capable of recording/reproducing audio information is sandwiched between two support sheets from front and back only in part of the area thereof and these two support sheets are further sandwiched between two ... | 11/23/2010 |
| 7817810 | Flat panel loudspeaker system A flat panel speaker system is provided. The system includes, a modified panel having a front surface and a rear surface, wherein the modified panel acts as a diaphragm for the flat panel speaker system; a supporting member coupled to the rear surface of the modifie... | 10/19/2010 |
| 7769191 | Flat panel audio output apparatus and video/audio output apparatus A flat panel audio output apparatus including a plurality of flat panels; and one or more vibrators respectively provided to each of the flat panels to vibrate the flat panels to make a sound; wherein the one or more vibrators of each one of the respective flat pane... | 08/03/2010 |
| 7764803 | Speaker apparatus using display window A speaker apparatus for a mobile communications terminal includes a display window acts as a speaker by using the display window as a vibration plate. As a result, sound in lower frequency range can be reproduced. In addition, through use of filters, frequency chara... | 07/27/2010 |
| 7747029 | Screen for playing audible signals by demodulating ultrasonic signals having the audible signals A sound reproduction screen includes: at least one cell including a vibrator which receives and is vibrated by an ultrasonic signal carrying an audible signal, and a medium which has nonlinear response characteristics with respect to a vibration of the vibrator; and... | 06/29/2010 |
| 7664278 | Acoustic device and flat speaker thereof A flat speaker includes a casing with a display window, a vibratory sound panel mounted to the display window and having a display region and an exciter mount region, a display screen disposed internally of the display region, and an exciter mounted to the inner sur... | 02/16/2010 |
| 7657042 | Liquid crystal display device having sound A liquid crystal display device includes a sound output function. A sound output function can be added to a liquid crystal device having a light source while preventing any increase in the external size of the liquid crystal display device. The liquid crystal displa... | 02/02/2010 |
| 7657043 | Electro-optical device and electronic apparatus An electro-optical device with a sound generating body is disclosed, in which an electro-optical device and a sound generating body can be mounted compactly and which can eliminate necessity of acoustic design of the sound generating body for an enclosure of an elec... | 02/02/2010 |
| 7650003 | Flat panel speaker and components therefor A flat panel speaker. The speaker includes a drive unit made up of a signal oscillation radiator the winding of which promotes oscillating rather than translational movement of the radiator. Such a configuration allows the speaker to operate at a broad range of freq... | 01/19/2010 |
| 7639826 | Bending wave panel loudspeaker From one aspect, the invention is a method of making a bending wave panel loudspeaker, comprising rigidly coupling a lever to a panel edge or marginal portion such that the lever extends at an angle to the plane of the panel, coupling a bending wave exciter to the l... | 12/29/2009 |
| 7636447 | Acoustic bracket system An acoustic bracket system comprising a bracket section containing an insert holder; coupling means connectable to the bracket section; and an insert securable to the insert holder and adapted to hold one or more acoustic transducers is provided. In one embodiment t... | 12/22/2009 |
| 7620190 | Device for actuating a membrane and a vehicle comprising a device for actuating a membrane The invention refers to a device (3) for actuating a membrane arranged in an opening to a space, and a vehicle having such a device. The membrane (1) has a first surface (1′) and a second opposite surface (1″), and is limited by an ed... | 11/17/2009 |
| 7596235 | Transducer Improved transducer for reproducing and/or recording sound, comprising a membrane onto which is provided a one-piece or multipart piezo-electric element, characterized in that the membrane is composed of two or several layers of which at least one layer is made of p... | 09/29/2009 |
| 7570771 | Loudspeakers A loudspeaker comprising a bending wave panel-form acoustic radiator having a first portion and at least one further portion a transducer for exciting bending waves in the radiator, the transducer being coupled to the further portion of the radiator to cause the rad... | 08/04/2009 |
| 7564984 | Acoustic device A bending wave loudspeaker having an operating frequency range and a coincidence frequency which is above the operating frequency range, comprising a resonant panel having two generally orthogonal axes, vibration exciting means coupled to the panel to excite the pan... | 07/21/2009 |
| 7450729 | Low-profile transducer One embodiment of a low-profile transducer includes a at least one fin perpendicularly mounted on a planar diaphragm, with a voice coil mounted onto the fin. The voice coil may reside in a strong uniform magnetic field. The locations at which the diaphragm is connec... | 11/11/2008 |
| 7447322 | Speaker having a transparent panel A speaker having a transparent sound panel and an exciter connected to the transparent sound panel for converting electrical energy received by the exciter, into vibrations that are transmitted to the transparent sound panel, resulting in the transparent sound panel... | 11/04/2008 |
| 7412065 | Acoustic transducer with folded diaphragm One embodiment of a low-profile transducer includes a at least one fin perpendicularly mounted on a planar diaphragm, with a voice coil mounted onto the fin. The voice coil may reside in a strong uniform magnetic field. The locations at which the diaphragm is connec... | 08/12/2008 |
| 7403628 | Transducer assembly and loudspeaker including rheological material A transducer assembly includes a transducer and a coupler with rheological material. A loudspeaker further includes an acoustic radiator. The coupler is mounted to the transducer and is operatively connected to the acoustic radiator. The transducer excites bending w... | 07/22/2008 |
| 7388619 | Mobile device with a combination camera and loudspeaker A combination camera and loudspeaker is described herein. The combination camera and loudspeaker includes a lens for selectively manipulating an image and a loudspeaker assembly disposed proximate the lens for projecting audible sounds. In one embodiment, a transpar... | 06/17/2008 |
| 7382890 | Sound reproduction device and portable terminal apparatus A sound reproduction device includes an LCD 20, which is an exemplary front panel, a case 22, and an electromechanical acoustic transducer 23. The LCD 20 is operable to perform a predetermined operation in response to an electrical signal... | 06/03/2008 |
| 7376240 | Coil for an electroacoustic transducer An electroacoustic transducer comprising a magnetic circuit of a magnetically conductive material with a pair of opposed surfaces defining a gap therebetween, the magnetic circuit comprising a magnet inducing a magnetic field in the gap, the magnet having a surface ... | 05/20/2008 |
| 7372968 | Loudspeaker driver An inertial exciter (40) for an acoustic radiator (42), and a loudspeaker incorporating an acoustic radiator and such an exciter. The exciter has a massive member (44); a coupler (56) adapted for attachment to the acoustic radiator (42... | 05/13/2008 |
| 7372110 | Display with integral sound wave generation device A display housing a sound element and a driving circuit that may be built in on the same substrate as the display panel. Thin-film transistors PTFT constituting pixels and a sound wave generation device SPO1 having a laminated structure of a heat generation l... | 05/13/2008 |
| 7369674 | Acoustic apparatus An acoustic apparatus comprising a yoke, a main speaker mechanism disposed on a first surface of the yoke, and a sub speaker mechanism disposed on a second surface of the yoke opposite to the first surface and adjacent to the main speaker mechanism, the main speaker... | 05/06/2008 |
| 7356951 | Inflatable dancing toy with music An inflatable toy may include a housing, a balloon-like structure, a blower mechanism, a drive mechanism, and a motor. The balloon-like structure may include a base, an inflatable portion, and an inlet. The base and the inflatable portion may define an air storage a... | 04/15/2008 |
