| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 381152000 | Driven diverse static structure (e.g., wall, sounding board) | 36 |
| 20080240472 | BENDING VIBRATION TYPE SOUND TRANSMITTER - A bending vibration type sound transmitter includes a plurality of vibrating bodies that perform resonant vibration and two lids. The plurality of vibrating bodies is fastened between the two lids. | 10-02-2008 |
| 20080260186 | Speaker - A speaker included in a speaker unit has a conical diaphragm. An end of a substantially circular cylindrical wall member is secured to the large-diameter end of the diaphragm. The inner surface of the wall member is arranged substantially parallel to a direction in which the diaphragm vibrates. Audio signals input to a voice coil cause the diaphragm and the wall member to vibrate in a direction that is substantially perpendicular to a surface of a cabinet. This causes air in front of the diaphragm to be compressed and then released. A shock that occurs when the compressed air is released propagates and is perceived as sound. The wall member prevents leakage of the compressed air from the front to the side of the diaphragm. | 10-23-2008 |
| 20080285778 | Screen-Integrated Speaker - A screen-integrated speaker in which mutual interference among channels does not occur easily, a high quality sound and a wide range of frequency are ensured, flexible and light, and downsizing for storage and transport are easy owing to its easiness of rolling up and deployment under a multi-channel structure is provided. The screen-integrated speaker according to an aspect of the invention includes a screen mainly composed of a fibrous structure and an exciter mounted to the back surface of the screen. Preferably, a exciting panel is interposed between the exciter and the screen. | 11-20-2008 |
| 20080304680 | Sound Generating Device - A sound generating device for transforming an object into a loudspeaker is includes an exciter module adapted for receiving audio signals from an audio source and a mounting device connected to the exciter module for removably connecting the exciter module to an object such that the object is transformed into a loudspeaker when the exciter module is energized by the audio source. | 12-11-2008 |
| 20090034758 | 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 serves as a resonance plate. | 02-05-2009 |
| 20090034759 | 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 serves as a resonance plate. | 02-05-2009 |
| 20090046875 | SPEAKER DEVICE - To provide a speaker system in which arrival times of sounds radiated from each speaker are aligned, sound pressures of speakers other than a woofer are enhanced as in a horn-type speaker, and each speaker unit, which disperses with a conventional horn, is gathered to integrate functions of each speaker and present a balanced appearance. | 02-19-2009 |
| 20090175469 | Audio signal output apparatus, audio signal output method, program, and recording medium - An audio signal output apparatus includes a driving unit and an output unit. The driving unit is configured to receive incident waves and generate a driving signal with the same phase as the incident waves. The output unit is configured to be driven by the driving signal and output waves with the same phase as the incident waves. | 07-09-2009 |
| 20090268929 | VOICE OUTPUT DEVICE AND METHOD, PROGRAM, AND ROOM - The present invention relates to a sound output device, method and program, and room capable of producing sounds from individual parts in a wide range of a vibrating member by appropriately vibrating the parts. A vibrating member | 10-29-2009 |
| 20100067719 | Device for actuating a membrane and a vehicle comprising a device for actuating a membrane - The invention refers to a device ( | 03-18-2010 |
| 20100266149 | IN-WALL SUB-WOOFER 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 substantially perpendicular to a surface of the wall section with the sound radiating surfaces substantially parallel to each other. The sound radiating surfaces may be facing each other or away from each other. The in-wall speaker system may also include one or more pairs of passive radiators to generate sound from sound pressure generated by the active transducers. The pairs of speakers in the wall section may be mounted vertically or horizontally within the wall, with a slot or a vent at the opening at the space between the speaker pairs. | 10-21-2010 |
| 20100316236 | Home Theater - An acoustical window assembly for a vehicle includes a transparent glass window panel and mounting portions for mounting respective perimeter regions of the window panel to a vehicle structure. A first mounting portion substantially fixedly mounts a first perimeter region of the window panel relative to the vehicle structure, while a second mounting portion mounts a second perimeter region of the window panel to the vehicle structure and includes a flexible element to allow for movement of the second perimeter region of the window panel toward and away from the vehicle structure. An actuating assembly is positioned at an actuating region of the window panel and has a substantially rigid interface element that engages the actuating region of the window panel. The actuating assembly is operable to vibrate the window panel via vibration of the substantially rigid interface element relative to the vehicle structure. | 12-16-2010 |
| 20100329486 | OSCILLATOR FOR A FLAT LOUDSPEAKER, FLAT LOUDSPEAKER AND VEHICLE - The present invention relates to an oscillator, particularly for or in a flat loudspeaker, particularly for use in the aerospace field, comprising an oscillating part carrier, a coupling ring for coupling the oscillator to a sound converter of a loudspeaker, wherein the oscillating part carrier and the coupling ring are connected to each other via a detachable quick-release closure, comprising first closing elements for a locked, secure connection in relation to vibrations and second closing elements that are separate from the first closing elements, for a secure connection between the oscillating part carrier and the coupling ring. The invention further relates to a flat loudspeaker comprising such an oscillator and to a vehicle comprising such a flat loudspeaker. | 12-30-2010 |
| 20110002484 | ACOUSTIC TRANSDUCER - An acoustic transducer radiates a sound wave into a medium, and includes: a shaft member which extends at a center portion of the acoustic transducer; first and second cylindrical acoustic radiation plates which have a cylindrical shape, a central axis of the first and second cylindrical acoustic radiation plates agreeing with the longitudinal axis of the shaft member, the first and second cylindrical acoustic radiation plates alternately arranged in a direction of the central axis; a plurality of connection members which have a ring shape, and connect adjacent first and second acoustic radiation plates to each other; a plurality of bending vibration plates each of which connects the shaft member and one of the connection members to each other; and a plurality of vibrators which are provided on the bending plates. The first acoustic radiation plate has a sectional shape which is curved outwardly in a radial direction thereof, and the sectional shape of the first acoustic radiation plate is along a plane including the central axis. The second acoustic radiation plate has a sectional shape which is curved inwardly in a radial direction thereof, and the sectional shape of the second acoustic radiation plate is along a plane including the central axis. | 01-06-2011 |
| 20110188678 | SOUND PLATE AND ELECTRONIC DEVICE EMPLOYING THE SAME - Provided are a sound plate and an electronic device employing the same. The sound plate includes at least one speaker unit disposed within a plate that is configured as a stand of the electronic device. Sound output by the at least one speaker is emitted through at least slit provided in a side surface of the plate. | 08-04-2011 |
| 20110188679 | ELECTRONIC DEVICE EMPLOYING SOUND PLATE SWITCHABLE BETWEEN STAND TYPE AND HANG TYPE - An electronic device includes a sound plate switchable between a stand type and a hang type. In the electronic device, the sound plate has a coupled structure movable between a first arrangement, in which the sound plate functions as a stand and a second arrangement wherein the sound plate is disposed at the rear of a main body as a hang type. In the first arrangement, the sound plate emits a sound through a slit provided in a side surface of the sound plate, and in the second arrangement, the sound plate emits sound through an opening in a front surface of the sound plate which is perpendicular to the side surface of the sound plate. | 08-04-2011 |
| 20110280417 | Device For Actuating A Membrane And A Vehicle Comprising A Device For Actuating A Membrane - The invention refers to a device ( | 11-17-2011 |
| 20120039492 | NARROW PROFILE SPEAKER CONFIGURATIONS AND SYSTEMS - A narrow profile speaker unit comprises at least one speaker outputting sound towards an internal surface and through a duct with an output terminus, such as a slot, having a narrow dimension, effectively changing the cross-section of the speaker's audio output wave. A pair of speakers may face one another, outputting sound towards a common output slot. Multiple pairs of speakers may be used to form an inline speaker unit for increased sound output. A slotted speaker unit may include multiple speakers facing the same direction, towards a ground plane or reflecting surface, and having parallel apertures for allowing sound radiation. The speaker units may be integral with or attached to electronic appliances such as desktop computers or flatscreen devices, or may be used in automobiles or other contexts. | 02-16-2012 |
| 20120177232 | Means for Causing Luminaires to Act as an Audio Transmission and Support Means - A luminaire used to support audio equipment and more specifically act as a transmission means to transfer mechanical acoustic energy to a soundboard using inertial type audio transducers. Any part of the luminaire may alternatively be employed to act as a soundboard. | 07-12-2012 |
| 20120263326 | SPEAKER UNIT - There is provided a loudspeaker unit having at least one loudspeaker and a bass reflex tube, which has a wall, a first open end, a central portion and a second open end ( | 10-18-2012 |
| 20130251176 | EXCITER AND ITS INSTALLATION METHOD, AND ACOUSTIC TRANSMISSION MEMBER - An exciter assembly includes a magnetostriction element and a holder encasing the magnetostriction element. The holder is provided with a groove which is positioned on at least a part of an outer circumstance of the holder. The exciter according to embodiments of the present invention is capable of generating a large sound and may be installed easily. A method of its installation and an acoustic transmission member including said exciter are also provided. | 09-26-2013 |
| 20130272550 | VIBRATION GENERATOR - A vibration generator includes a coil arranged to generate magnetic fields, a ring-shaped yoke arranged to amplify an electromagnetic force generated by the magnetic fields in cooperation with the coil, a vibrating body arranged radially inward of the coil to move in a thrust direction, a ring-shaped magnet arranged in an outer peripheral portion of the vibrating body and opposed to the coil, and a spring arranged to support the vibrating body on at least one side of the vibrating body in thrust-direction. | 10-17-2013 |
| 20140056445 | Micro-electroacoustic Device - A micro-electroacoustic device includes a vibrating unit and a magnetic circuit unit supporting the diaphragm. The vibrating has a diaphragm and a voice coil driving the diaphragm to vibrate along a vibration direction. The magnetic circuit unit has a base board, a first magnetic conduction member disposed on the base board, a second magnetic conduction member disposed on the base board and around the first magnetic conduction member, and a magnetic gap formed by the first and second magnetic conduction members. The base board having an air-leaking hole communicating outside with the magnetic gap for balancing the air pressure below the diaphragm during the vibration of the diaphragm. A projection of the diaphragm along the vibration direction on the base board being within an outline of the magnetic circuit. | 02-27-2014 |
| 20140064522 | Speaker - A speaker includes a housing and four substantially similar electro-acoustic drivers secured inside the housing. The drivers are driven by substantially the same audio signal and are arranged such that the net mechanical vibrational force between the drivers and the housing is substantially zero. Four substantially similar passive radiators are secured inside the housing and driven by acoustic energy from the four drivers. The passive radiators are arranged such that the net mechanical vibrational force between the passive radiators and the housing is substantially zero. | 03-06-2014 |
| 20140079252 | LOUDSPEAKER WITH PORT COMPRISING A PARTICLE FILTER - A loudspeaker in which a magnetic particle filter is provided in the vicinity of a sound outlet port. | 03-20-2014 |
| 20140112504 | AUDIO DRIVER AND METHOD FOR TRANSFORMING AN ELECTRICAL SIGNAL INTO AIR MOVEMENT - A variant of a planar magnetic transducer for sound and ultrasound reproduction includes a substantially flat coil fixed on a diaphragm. A source of a non-varying magnetic field is disposed on one side of the diaphragm; a thin, electrically conductive, non-magnetic membrane is disposed on the other side. An AC signal in the coil results in diaphragm movement and modulation of the non-varying magnetic field. The modulating field generates a current in the membrane, which, upon further interactions, causes the membrane to move. The two independently moving surfaces, each of which produce sound, together result in an unusually flat SPL/frequency response, with very low narrow-band intensity variation and distortion. The forces acting on the moving planes are substantially uniformly distributed on active parts and the force per unit area is high. In embodiments directed to reproducing sound in a limited frequency band, the driver can be very efficient. | 04-24-2014 |
| 20140161288 | ELECTROACOUSTICAL TRANSDUCING - Electroacoustical apparatus includes at least first and second acoustically coupled electroacoustical drivers. An electrical network couples their inputs so that an electrical drive signal applied to one reduces the effect of acoustic coupling from that one to the other. | 06-12-2014 |
| 20140185838 | COAXIAL PASSIVE RADIATION MONOMER - A coaxial passive radiation monomer apparatus is disclosed. In accordance with an aspect of the present disclosure, there is disclosed a dynamic speaker monomer combined with a passive radiator in a single unitary structure located in spatial proximity with respect to one another to thereby and further comprising an elastic material at the base of the speaker assembly for enhanced and optimized resonance frequencies for the active and passive components of the overall device. | 07-03-2014 |
| 20140270269 | LOUDSPEAKER DEVICE - A loudspeaker device includes a rear frame member defining a receiving space, a magnetic assembly, and a sound producing assembly. The magnetic assembly includes a yoke, a magnet, a magnetically permeable plate that cooperates with the yoke to form an air gap, and a connecting tube that passes through and fastens together the yoke, the magnet and the magnetically permeable plate, that is heat conductive, and that defines an axially extending air passageway in fluid communication with the receiving space. The sound producing assembly includes a vibrating member that cooperates with the magnetically permeable plate to define a chamber in fluid communication with the air passageway and the air gap. | 09-18-2014 |
| 20150086048 | ACOUSTIC PANELS AND PLANAR STRUCTURES - A glass panel is provided having a glass structure with an exterior surface and an interior surface, the glass structure having at least one glass sheet with a thickness ranging from about 0.5 mm to about 2.0 mm and a backing frame positioned adjacent the glass structure and situated along the perimeter of the interior surface of the glass structure. The glass panel further includes a polymer layer positioned on the interior surface and intermediate the glass structure and backing frame to adhere the glass structure together with the backing frame an array of acoustic exciters positioned on the glass structure, the array of acoustic exciters providing excitation energy to or receiving excitation energy from the glass structure where frequency response of the panel can be a function of the geometry of the glass structure and the position of the acoustic exciters. | 03-26-2015 |
| 20150341710 | Complementary Asymmetric Transducer Configuration for lower distortion and extended range - An improved loudspeaker system includes an asymmetrical array of dissimilar drivers, namely a first driver and a second complementary driver configured in an array and driven in parallel so that the measured on-axis frequency response and the output power (SPL) is improved as compared to a symmetrical array (with similar or matched midrange or mid-bass drivers), while retaining a flat tonal balance. This speaker system and method for voicing was discovered to provide lower distortion, improved frequency response and greater clarity as compared to the prior art or traditional (e.g., MTM) loudspeaker configurations. | 11-26-2015 |
| 20150365746 | Flat Panel Loudspeaker System and Method of Making - An exciter assembly for use with a flat panel loudspeaker system including a panel having a core, an inner sheet coupled to an inner surface of the core and an outer sheet coupled to an outer surface of the core. The exciter assembly may include an exciter having a voice coil assembly attachable to the outer sheet of the panel, the voice coil assembly having a lock pad, and a lock base releasably engaging the lock pad and attachable to the outer sheet of the panel, to vibrate the panel to generate sound energy; and an exciter support bracket connected to the exciter housing and attachable to the outer sheet of the panel. | 12-17-2015 |
| 20150382110 | Acoustic Transducer and Method for Driving Same - An acoustic transducer and method for driving same. A flat or somewhat curved panel has one or more drive motors at selected locations to generate transverse waves in the panel and concomitant longitudinal acoustic waves in an acoustic medium in which the panel is disposed. It also has attenuation features, such as damping or active wave cancellation motors, at one or more boundaries to substantially attenuate or essentially cancel arriving transverse waves and the reflections they would otherwise produce, thereby creating virtual infinite panel boundaries and reducing or substantially eliminating unwanted modes and wave interference in the panel. A linear motor is provided for driving one or more edges of the panel. | 12-31-2015 |
| 20160044417 | APPARATUS AND METHOD FOR AN ACTIVE AND PROGRAMMABLE ACOUSTIC METAMATERIAL - An acoustic metamaterial including cells to digitally process an incoming sound waveform, and to produce a corresponding response sound waveform as a function of a frequency and a phase of the incoming sound waveform, to produce a total response sound waveform that, when combined with the incoming sound waveform, modifies the incoming sound waveform. | 02-11-2016 |
| 20160050474 | Circuit Assembly for Compact Acoustic Device - A circuit assembly ( | 02-18-2016 |
| 20170238097 | Portable Sound Generator Apparatus | 08-17-2017 |
