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| Number | Title | Issue Date |
| 8189822 | Modular, line-array loudspeaker This invention relates to a line-array loudspeaker that is configurable to meet the acoustic requirements of a venue. In one embodiment, the line-array includes a combination of far-field and near-field loudspeaker modules which are selectively fixedly connected to ... | 05/29/2012 |
| 8189823 | Speaker system An object of the present invention is to provide a speaker system in which a woofer and a group of tweeters are substantially coaxially arranged, and sound waves emitted from the woofer and sound waves emitted from the tweeter are less likely to interfere with each ... | 05/29/2012 |
| 8180076 | System and method for reducing baffle vibration Adjustments to an electro-acoustic transducer may be made to match the performance of a second electro-acoustic transducer such that a net inertial force generated by movement of the electro-acoustic transducers' diaphragms are substantially zero. Adjustments may in... | 05/15/2012 |
| 8175301 | Loudspeaker driver A loudspeaker driver that includes a suspended diaphragm and at least one voice coil disposed lateral to the suspended diaphragm, suspended in a magnetic field and coupled to the diaphragm. ... | 05/08/2012 |
| 8098854 | Multiple receivers with a common spout A speaker module for a personal communication device includes two transducers for generating sound on the basis of an electrical signal. One transducer outputs sound to the surroundings from a sound output thereof and the other transducer outputs sound to the surrou... | 01/17/2012 |
| 8073168 | Compact open baffle speaker system A speaker system is presented. The speaker system has a front speaker driver, a shroud mounted to the front speaker driver substantially encasing a cylinder volume on a rear portion of the front speaker driver. A rear speaker driver having similar dimensions to the ... | 12/06/2011 |
| 7813516 | System for cardioid sound field generation from dissimilar sources Front to back linear arrays of loudspeakers provide a sound field compressed both vertical and horizontally with the horizontal directivity patter exhibiting a cardioid shape. The problem addressed is improving the horizontal directivity of linear arrays. A linear a... | 10/12/2010 |
| 7787645 | Loudspeaker-transducer array Loudspeakers optimized for use in array environments are described herein. In one embodiment, a system includes a transducer-array module having a plurality of piston-based transducers. Each transducer is configured to drive a particular one of a plurality of discre... | 08/31/2010 |
| 7729499 | Speaker apparatus and reproducing apparatus The present invention provides a speaker apparatus and reproducing apparatus with no limitation on their listening areas. The apparatus includes; the housing 2 substantially in the shape of a spheroid; the left speaker 5A, which is attached to the left... | 06/01/2010 |
| 7711131 | Electric-acoustic transducer and electric-acoustic transducer/housing assembly An electric-acoustic transducer/housing assembly includes an electric-acoustic transducer and a housing within which the electric-acoustic transducer is arranged. The electric-acoustic transducer includes a casing, a first and second vibratory plates transversely mo... | 05/04/2010 |
| 7551746 | Drive unit for electro-acoustic converter with radially magnetized permanent magnetic bars An electro-acoustic drive unit includes at least one permanent magnet assembly and at least an inner pole piece and an outer pole piece forming a pair of pole pieces, the permanent magnet assembly together with the pair of pole pieces forming a magnetic circuit with... | 06/23/2009 |
| 7515723 | Electro-acoustic converter with demountable diaphragm and voice coil assembly A loudspeaker drive unit includes at least one voice coil, a diaphragm, permanent magnet element and pole piece element. The permanent magnet element and pole piece element form a magnetic circuit with a pole gap arranged to receive and interact with the voice coil.... | 04/07/2009 |
| 7515724 | Loudspeaker driver A loudspeaker driver that includes a suspended diaphragm and a plurality of voice coils each suspended in a magnetic field and coupled to the diaphragm. ... | 04/07/2009 |
| 7426278 | Sound device provided with a geometric and electronic radiation control A sound device for carrying out a homogenous sound cover for a public addressed area includes an electroacoustic source network (1), wherein each electroacoustic source (1) diffuses a version delayed by a delay (3), filtered by a filter (4 | 09/16/2008 |
| 7418104 | Speaker system A speaker system having a first speaker, a second speaker, and a housing having a first mounting surface to which the first speaker is mounted and a second mounting surface to which the second speaker is mounted. The first mounting surface and the second mounting su... | 08/26/2008 |
| 7415124 | Low frequency surface array A low-frequency loudspeaker system based on a dipole principle. In some implementations, the system includes an open frame rigging system and multiple subwoofers mounted in a dipole surface array configuration in the open frame rigging system to produce controlled s... | 08/19/2008 |
| 7386137 | Sound transducer for solid surfaces A sound transducer (10) for imparting acoustical energy directly to a solid surface (12) while achieving the sound quality and frequency response found only in conventional diaphragm speakers. The sound transducer (10) comprises a pair of symmet... | 06/10/2008 |
| 7379554 | Drive unit for electro-acoustic converter with dual magnetic circuits sharing permanent magnet An electro-acoustic drive unit including at least a first and a second drive unit, each provided with a pole gap for exciting respective voice coil assemblies, at least one permanent magnet means is arranged to be a part of the magnetic circuit of both the first and... | 05/27/2008 |
| 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 |
| 7343018 | System of sound transducers with controllable directional properties The invention relates to loudspeaker systems or loudspeaker columns as used in public address systems and at (pop) concerts. Such systems heretofore possess a frequency-dependent coverage angle and strong second and third order side lobes. The invention describes fo... | 03/11/2008 |
| 7333625 | Collapsible electro-acoustic transducer system A collapsible electro-acoustic transducer system (“CETS”) is described. The CETS system may include a base housing with at least one electro-acoustic transducer, where the base housing includes a base housing top and a base housing bottom, and a movable housing ... | 02/19/2008 |
| 7333626 | Arbitrary coverage angle sound integrator A system is disclosed for changing a coverage angle of sound produced from a loudspeaker system. The loudspeaker system includes an enclosure that projects sound at a predetermined angle. A sound integrator includes an inner surface positioned adjacent to a mid-rang... | 02/19/2008 |
| 7328769 | Rigging system for loudspeaker arrays A rigging system for angularly adjusting the output portions of a plurality of loudspeaker cabinets wherein each of the cabinets includes a pair of rotatably adjustable rigging disks which protrude outwardly thereof which are selectively receivable within an adjacen... | 02/12/2008 |
| 7325648 | Frame for speaker device and speaker device A frame for a speaker device has an annular outer peripheral portion. The outer peripheral portion includes plural wall portions concentrically formed. An end surface of the wall portion on an inner circumferential side of the outer peripheral portion is formed at a... | 02/05/2008 |
| 7324834 | Speaker system A speaker system functioning as a stand capable of power supply to a mobile phone and hand-free communication and being capable of derived surround reproduction or stereo reproduction is provided. An enclosure (201), on which a mobile phone is placed, include... | 01/29/2008 |
| 7324654 | Arbitrary coverage angle sound integrator A system is disclosed for changing a coverage angle of sound produced from a loudspeaker system. The loudspeaker system includes an enclosure that projects sound at a predetermined angle. A sound integrator includes an inner surface positioned adjacent to a mid-rang... | 01/29/2008 |
| 7324657 | Speaker apparatus A voice coil and a magnetic driving circuit oscillate a diaphragm and a center cap. A magnetic lighting circuit for providing a magnetic field to an induction coil is mounted separately from a magnetic driving circuit. The induction coil generates an electromotive f... | 01/29/2008 |
| 7319767 | Line array electroacoustical transducing A line array electroacoustical transducing system includes at least first and second line arrays detachably secured in electrical and mechanical coupling relationships. The assembly may be detachably secured to a base having an amplifier in electrical and mechanical... | 01/15/2008 |
| 7315625 | Sound apparatus, method of changing sound characteristics, and data recording medium on which a sound correction program This invention is a sound apparatus having a plurality of different kinds of speakers and that independently performs correction of the sound signal for each speaker to obtain optimum sound and sound field. This sound apparatus has an output device that receives aud... | 01/01/2008 |
| 7305750 | Method of assembling a loudspeaker A loudspeaker and method of assembly according to this invention provides for precise alignment between the frame and motor structure before they are connected to one another, and employs a fixture to form the moving assembly of the speaker, i.e. the voice coil, upp... | 12/11/2007 |
| 7302061 | Dual-tweeter loudspeaker A dual tweeter speaker, wherein the tweeters are spaced far apart, is provided. The loudspeaker system includes a woofer and two tweeters, which are arranged so they reduce interference with sound waves emitted by the woofer. The spaced apart tweeters provide an imp... | 11/27/2007 |
| 7299893 | Loudspeaker horn and method for controlling grating lobes in a line array of acoustic sources A loudspeaker horn (11) having a throat end (13) for receiving acoustic power from aligned acoustic power sources (41, 43, 45), an elongated throat (33), and a flared section (17) is provided with grating lobe mitigation fins (2... | 11/27/2007 |
| 7302076 | Low profile speaker and system A speaker has a magnet structure mounted ahead of the speaker diaphragm to produce a shallow compact unit. The magnet structure defines a flux gap, and a voice coil residing in the flux gap is connected to a main diaphragm such that drive current applied to the voic... | 11/27/2007 |
| 7298862 | Asymmetrical loudspeaker enclosures with enhanced low frequency response An embedded loudspeaker system is set forth incorporating at least two asymmetric enclosures having different but overlapping frequency responses in order to achieve a substantially flat frequency response. At least one of the speaker enclosures is preferably ported... | 11/20/2007 |
| 7289633 | System and method for integral transference of acoustical events A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio... | 10/30/2007 |
| 7280667 | Speaker system A speaker system, preferably for a large-screen TV includes: a horizontal member including a left speaker, a right speaker and a center speaker and functioning as an enclosure for the left speaker, the right speaker and the center speaker, wherein each of the speake... | 10/09/2007 |
| 7277552 | Increased LF spectrum power density loudspeaker system The power density of a bass-reflex enclosure is improved by providing transducers in pairs, with the members of each pair being oriented front to back with respect to one another. The transducers are mounted on the enclosure with at least one of the transducers bein... | 10/02/2007 |
| 7275621 | Skew horn for a loudspeaker A horn including a substantially flat coupling flange defining a coupling flange plane, a substantially planar mouth defining a mouth plane, an elongated throat extending between the coupling flange and the mouth, a transducer for generating a sonic output operation... | 10/02/2007 |
| 7277012 | Broad field motion detector A motion sensing system device and method which utilize dispersed ultrasonic radiation is disclosed. The system preferably comprises a low profile sensor unit configured to couple to a ceiling position. The sensor unit comprises an ultrasonic transmitter and an ultr... | 10/02/2007 |
| 7263195 | In-ear monitor with shaped dual bore A multi-driver in-ear monitor for use with either a recorded or a live audio source is provided. If a pair of drivers is used, each driver has an individual sound delivery tube. If three drivers are used, the outputs from two of the drivers are merged into a single ... | 08/28/2007 |
