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| Number | Title | Issue Date |
| 8139794 | Speaker devices A speaker device may include a substrate, a membrane above the substrate, and an electrode above the membrane, a plurality of first supporting members, and a plurality of second supporting members. The second chamber is enclosed between the membrane and the substrat... | 03/20/2012 |
| 8103023 | Apparatus and method for acoustic beamforming An apparatus for acoustic beamforming comprises a beamform processor (105) for generating a beamformed signal from two audio inputs. An update processor (107) updates the beamforming filter of the beamform processor (105) if an update criterion ... | 01/24/2012 |
| 7835532 | Microphone array By integrating plural condenser microphone constituting bodies in an array state, a condenser microphone array is obtained. The condenser microphone array is formed by dicing a laminate of a circuit board forming member, a housing forming member, a spacer for... | 11/16/2010 |
| 7835533 | Method for manufacturing condenser microphone A circuit board forming member, a case forming member, a spacer forming member, a diaphragm sheet and a diaphragm plate forming member are laminated to form a portion, as excepting a back plate and a contact spring, of a condenser microphone, in plurality in a lamin... | 11/16/2010 |
| 7561704 | Structure of speaker A speaker, which includes a basket holding an exciter, a holding down ring fastened to the basket to hold down a diaphragm, which has an annular suspension and a cone fastened to the inner diameter of the annular suspension and coupled to the exciter, and a locating... | 07/14/2009 |
| 7454024 | System and method for design and fabrication of a high frequency transducer Techniques for fabricating high frequency ultrasound transducers are provided herein. In one embodiment, the fabrication includes depositing a copperclad polyimide film, a layer of epoxy on the copperclad polyimide film, and a polyvinylidene fluoride film on the epo... | 11/18/2008 |
| 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 |
| 7359523 | Fluidic acoustic transducer Sound signals are detected. Light signals are generated that pass through a membrane of a bubble within a trench. The sound signals cause deformations within the membrane of the bubble. The light signals are detected after the light signals have passed through the m... | 04/15/2008 |
| 7327184 | Low-power multi-level pulse amplitude modulation driver and semiconductor device having the driver A low-power multi-level pulse amplitude modulation (PAM) driver, and a semiconductor device having the same, in which the multi (M)-level PAM driver includes a load unit, first and second current sources, a pair of first input transistors, a pair of second input tra... | 02/05/2008 |
| 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 |
| 7227966 | Piezo-electric speaker A piezo-electric speaker ensures a uniform sound in a broad band and can easily reproduce a signal of large amplitude or sound. A piezo-electric speaker has a piezo-electric member to generate a vibration according to an electric signal applied thereto. A piezo-elec... | 06/05/2007 |
| 7213917 | Electronically enabled eyewear A wearable audio interface includes a support for positioning the plurality of speakers juxtaposed to and spaced from the ears of a wearer. The audio device can include wireless networking electronics so as to allow the device to interact with other wireless network... | 05/08/2007 |
| 7151836 | Speaker apparatus and sound reproduction apparatus A speaker apparatus includes a speaker unit, a passive radiator unit, and a front baffle on which the speaker unit and the passive radiator unit are mounted to form a portion of a speaker box and a back plate. A closed front chamber is formed by the front baffle for... | 12/19/2006 |
| 7120264 | Sound reproducing apparatus A sound reproducing apparatus includes a display unit, a board 22, a diaphragm panel 23, and an electroacoustic transducer 26. The display unit displays an image on a display surface. The board 22 is composed of a material which transmits... | 10/10/2006 |
| 7116790 | Loudspeaker Conventional analog loudspeakers have a limited dynamic range as compared to the available dynamic range of digital recordings. Digital recordings use up to 24 bits and this implies a dynamic range of 141 dB. Digital loudspeakers, involving 2N single bit ... | 10/03/2006 |
| 7113813 | Mobile communication terminal and electro-acoustic transducer used for the same A portable communication terminal employs an electro-acoustic transducer having openings on the housing. The openings of the transducer are coupled to a housing of the terminal or acoustic pipes unitarily formed with the housing of the transducer. An opening of the ... | 09/26/2006 |
| 7113607 | Low frequency feedback controlled audio system The present invention provides a feedback-controlled audio system. A single internal pressure-sensitive detector is used as the sensor. The primary radiator is mounted facing inward to minimize acoustical delay from the speaker. The present invention also provides a... | 09/26/2006 |
| 7110564 | Multi-function actuator Disclosed is a multi-function actuator comprising: a case having an internal space; a vibrating coil installed in the case for generating vibration; a diaphragm for generating sound with an outer end being fixed to the upper end of the case; a voice coil fixedly ins... | 09/19/2006 |
| 7107016 | Component for a wireless communication terminal constituting an antenna, loudspeaker and ringer A structural arrangement for a wireless communication terminal includes a case in which are disposed a sound transducer and a patch planar antenna connected to a printed circuit. The transducer has an electrically neutral portion comprising a vibrating membrane and ... | 09/12/2006 |
| 7099489 | Twin magnetic loop multifunctional vibrator-speaker transducer The present invention relates to a multifunctional device, which is particularly applicable to a twin magnet loop (called TML) transducer with both vibrating and sound functions. The present invention integrates an inner and an outer magnet loop of TML into one devi... | 08/29/2006 |
| 7095313 | Meter apparatus for vehicles A meter apparatus for a vehicle, includes a circuit board, a sound generating element mounted on one face of the circuit board, a back cover covering the face of the circuit board on which the sound-generating element is mounted, and a separate sound-generating elem... | 08/22/2006 |
| 7085392 | Loudspeaker sound modulation appliance In combination with a loudspeaker assembly that includes a speaker diaphragm that is displaced to produce sound, the combination comprising a spinner element mounted to rotate in the path of sound waves produced by the speaker diaphragm; and a rotary drive for rotat... | 08/01/2006 |
| 7076079 | Multi-functional actuator Disclosed is a multi-functional actuator comprising: a housing having an internal space and a groove in the inner side; a sound-generating diaphragm with an outer end fixed to the upper end of said housing; a voice coil fixed to the bottom of said diaphragm; a verti... | 07/11/2006 |
| 7058882 | Audio data recording/reproducing apparatus and method Each track is made up of a linkage of regions, and each of the regions is made up of a linkage of nodes or clusters. Sound data are stored on a cluster-by-cluster basis, and reproduced by tracing such linkages. Each time editing is performed on a virtual track of th... | 06/06/2006 |
| 7027605 | Mid-range loudspeaker A midrange loudspeaker for operation in conjunction with low-frequency and high-frequency loudspeaker modules in a theater sound system, having a reduced depth for deployment in limited space. The midrange module is configured with a plurality of drivers and a waveg... | 04/11/2006 |
| 7013019 | Thermoset composite material baffle for loudspeaker This invention provides a baffle formed from a thermoset composite material such as Bulk Molding Compound (BMC), Thick Molding Compound (TMC), or Sheet Molding Compound (SMC). Due to the physical properties of BMCs, TMCs, and SMCs, the baffle may be molded to minimi... | 03/14/2006 |
| 7004582 | Electronically enabled eyewear A wearable audio interface includes a support for positioning the plurality of speakers juxtaposed to and spaced from the ears of a wearer. The audio device can include wireless networking electronics so as to allow the device to interact with other wireless network... | 02/28/2006 |
| 7006641 | Driving circuit, electro-mechanical-acoustic transducer, and portable terminal apparatus A circuit of the present invention is a driving circuit for driving a vibrator having a mechanical vibration system which resonates at a resonance frequency. The driving circuit outputs to the vibrator at least two signals of different frequencies which are included... | 02/28/2006 |
| 6978029 | Condenser microphone apparatus and its connecting apparatus A condenser microphone apparatus which is used for a radio apparatus in order to reduce noises generated due to radiation of a high frequency signal of a transmitting unit. A series resistor is provided between a bypass capacitor provided between a drain and a sourc... | 12/20/2005 |
| 6978030 | Light emitting loudspeaker cover An apparatus comprising a loudspeaker located inside a housing and a loudspeaker cover is disclosed. An audio signal source supplies an audio signal to the loudspeaker within the housing. The loudspeaker cover includes one or more light sources and is porous to allo... | 12/20/2005 |
| 6978031 | Loudspeaker sound modulation apparatus A loudspeaker assembly includes a speaker diaphragm that is displaced to produce sound, and a spinner element mounted to rotate in the path of sound waves produced by the speaker diaphragm, the spinner defining sound wave passing through openings, in said path. Illu... | 12/20/2005 |
| 6973994 | Apparatus for increasing the quality of sound from an acoustic source An apparatus for increasing the quality of sound from an acoustic source comprises in one embodiment a hollow enclosure, an acoustic source, an acoustic guide, a pair of acoustic inlet openings, a pair of acoustic exit openings, and pair of acoustic paths, wherein t... | 12/13/2005 |
| 6975735 | Sound collecting device minimizing electrical noise A sound collecting device is provided which is designed to minimize adverse effects on an output caused by exposure of an electroacoustic transducer to the air. The device includes an electroacoustic transducer and a vibrating circuit. The transducer is exposed to t... | 12/13/2005 |
| 6944307 | Microphone/earpiece device for a mobile telephone, telephone exchange or the like The invention relates to a device (1) constructed as portable hook-on frame (2, 3, 4,) with folding work tops or panels (5, 6, 7) and is composed of a basic frame (2) with a telescopic suspension frame (3) with suspension hooks ( | 09/13/2005 |
| 6876743 | One-piece speaker assembly A one-piece speaker assembly has a speaker having a case, a gasket made of elastomer and secured to an upper portion of the case, and a connector made of elastomer and secured to an underside of the case. ... | 04/05/2005 |
| 6847411 | Modular television for providing a distinguishable sound according to a selection of a module and/or a module function A modular television for allowing a user to perceive an operation according to a selection of a module and/or a module function, is disclosed. The modular television includes a module rack having at least one module connection slot for mounting at least one module t... | 01/25/2005 |
| 6812620 | Micromachined capacitive electrical component A micromachined capacitive electrical component such as a condenser microphone with a support structure and a rigid plate with an electrically conductive plate electrode secured to the support structure at discrete locations. A diaphragm of a substantially non-condu... | 11/02/2004 |
| 6683964 | Direction finder A direction finder arrangement advantageously employs a plurality of transducers to derive a plurality of predetermined polar directivity patterns each of which has a predetermined spatial orientation pointing in a predetermined fixed direction relative t... | 01/27/2004 |
| 6617967 | Piezoelectric siren driver circuit A piezoelectric transducer driving circuit has a main oscillator stage, a buffer circuit, and a voltage-doubling circuit. The main oscillator stage includes a frequency-swept signal generator that can be configured to provide different outputs to the buff... | 09/09/2003 |
| 6522759 | Speaker A reduced-size speaker for generating sound waves in wide low frequency audio region includes a cylindrical main body which is open at the top and bottom surfaces, a top lid being provided on the top surface of the main body and a circular ring-shaped bas... | 02/18/2003 |
