Entries |
Document | Title | Date |
20090003632 | SINGLE MAGNET COAXIAL LOUDSPEAKER - A coaxial loudspeaker for reproducing an electrical sound signal is provided. The loudspeaker has a magnetic driver assembly with a first annular slot and an opposed, coaxial second annular slot, each establishing a permanent magnetic field therein from a single magnet. Independently driven first and second voice coils are positioned within the respective one of the first and second annular slots, each being connected to a transducer element. | 01-01-2009 |
20090003633 | Filter Element - The invention relates to a filter element comprising a support with an outside surface and at least three channels in the support. The channels comprise a peripheral wall directed towards the outside surface, the distance between the peripheral wall and the outside surface reducing on each side of the middle of the peripheral wall. The element has the advantage of improved strength when subject to severe conditions of use. | 01-01-2009 |
20090087000 | Array speaker system and method of implementing the same - Provided are an array speaker system and a method of implementing the same. The array speaker system includes a group setting unit setting one or more combinations of a plurality of speakers included in an array speaker system into at least one group according to a predetermined adjustment factor, a signal assignment unit dividing an input signal into at least one sound source signal according to the adjustment factor and selectively assigning the divided sound source signal(s) to the set group(s), a sound adjustment unit adjusting a sound source signal to be output through speakers within the group according to sound source characteristics of the group, and a signal output unit outputting the adjusted sound source signal through the speakers within the group. Using the array speaker system, sound adjustment and sound output optimized for each frequency band can be obtained during output of a sound source signal having a broad range of frequencies, and a near-field effect that distorts an output sound source signal can be prevented. Moreover, stereo and multi-channel effects can be obtained and the directivity of the array speaker system can be improved. | 04-02-2009 |
20090092268 | ELECTRONIC APPARATUS OF SPLITTABLE TYPE - The present invention discloses an electronic apparatus of splittable type comprising at least two speaker portions, the two speaker portions are connected by electro-wires, wherein in one speaker portion is provided a winding mechanism for pulling-out and retracting-in the electro-wires; each of the speaker portions has a voice chamber, and the voice chambers in the two speaker portions have the different shapes from but substantially the same volumes as each other. | 04-09-2009 |
20090141915 | Method and apparatus for focusing sound using array speaker - Provided is a method and apparatus for focusing sound using an array speaker system. The method includes generating a plurality of delayed signals to be focused to a predetermined position from an input signal, filtering a low-frequency signal having a frequency that is lower than a reference frequency from the delayed signals, generating low-frequency focusing signals divided into 2 groups by adjusting a gain of the filtered low-frequency signal, and applying the low-frequency focusing signals divided into the 2 groups to speaker units of the array speaker system at both sides with respect to a center portion of the array speaker system and outputting the low-frequency focusing signals through the speaker units. In this way, the performance of sound focusing for the low-frequency signal can be improved and thus a listener located a predetermined distance from and in a predetermined direction relative to the array speaker system can clearly listen to the low-frequency focusing signals. | 06-04-2009 |
20090141916 | 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 discrete non-concentric acoustic-radiating diaphragms. A frame is positioned around an outermost boundary of a plurality of the discrete non-concentric acoustic-radiating diaphragms, which are adjacent to the outermost boundary. The transducer-array module may be used in array configurations, including, but not necessarily limited to: line, planar, and phased arrays. | 06-04-2009 |
20090196441 | MP3 LOUDSPEAKER SYSTEM - A MP3 loudspeaker system is disclosed. The MP3 loudspeaker system comprises a main loudspeaker and a sub loudspeaker connected by signal cables. The loudspeaker has a flat configuration and the edge of the loudspeaker is provided with magnetic element such that the main loudspeaker and the sub loudspeaker attract each other. The lower section of the main and sub loudspeaker is provided with a folding section and a signal cable connector. The loudspeaker can be folded and stand with the folding section as a support. The signal cable connector is also functioned as the base support for the loudspeaker. | 08-06-2009 |
20090238383 | LOUDSPEAKER SYSTEM AND METHOD FOR PRODUCING SYNTHESIZED DIRECTIONAL SOUND BEAM - A loudspeaker system has a plurality of relatively small transducer elements configured in a closely spaced transducer array such that their acoustic outputs combine to produce a focused beam of sound in front of the array that is substantially uniform about the beams radiation axis. The transducer array lies in a plane and has a perimeter that approximates a circle, and will have fill-factor with respect to a circle circumscribing the array of at least approximately 70%. In one variation of the loudspeaker system, the transducer array is constructed in smaller transducer array modules that are operatively fitted together to produce a larger array. | 09-24-2009 |
20090245545 | Loudspeaker panel with a microphone and method for using both - In public audio presentation it is desirable that the playback loudness is continuously adapted to the background noise loudness. Such adaptation of the playback volume requires a continuous measurement of the loudness somewhere within the sound exposure area. A dipole loudspeaker panel has a strong attenuation of the emitted sound in the panel plane. When placing a microphone capsule in that plane but outside the panel, the sound emitted from the panel will be recorded by the microphone with a significant sound pressure level attenuation. Such specific microphone arrangement can capture the background noise without being unduly disturbed by the direct sound emitted from the loudspeakers. | 10-01-2009 |
20090290732 | Bending Wave Acoustic Device and Method of Making Thereof - An acoustic device and method of making said acoustic device. The acoustic device comprises a diaphragm having resonant bending wave modes in the operating frequency range, and a plurality of electromechanical transducers coupled to the diaphragm. The positioning and mechanical impedance of the transducers are such that at least a selected number of the resonant bending wave modes are balanced so that the net transverse modal velocity over the area of the diaphragm tends to zero with the balancing of the resonant bending wave modes being achieved substantially by the positioning and mechanical impedance of the transducers. The parameters of the diaphragm may be such that there are a plurality of nodal grouped locations at or around which the nodal lines of a selected number of resonant modes are clustered. Each transducer may be mounted at one of the plurality of nodal grouped locations. | 11-26-2009 |
20090304211 | LOUDSPEAKER ARRAY DESIGN - Sound signals to be output from a loudspeaker array are modified by a plurality of filters designed according to an unconstrained optimization procedure to improve overall performance (e.g., power, directivity) of the loudspeaker array. More particularly, respective filters are configured to receive a signal to be output to a plurality of loudspeakers. Upon receiving the signal, the respective filters individually modify the received signal according to the results of the unconstrained optimization procedure and then output the individually modified signals to respective loudspeakers. The unconstrained optimization procedure takes into account manufacturing tolerances and individually enhances the signal output to each of a plurality of individual loudspeakers within an array to achieve an overall improvement in performance. In one example, a speaker system utilizes the unconstrained optimization procedure to enable a user to hear an output sound clearly, while adjacent people experience the output sound at lower volume, if at all. | 12-10-2009 |
20090316937 | MONOLITHIC MICRO MAGNETIC DEVICE - A micro magnetic device having a body defining at least part of an enclosed chamber, a pole comprising a soft magnetic material within the chamber, and an electrically conductive coil positioned around the pole. A diaphragm integral with the body defines a top of the chamber opposite the pole. The diaphragm supports a permanent magnetic film. Multiple micro magnetic devices can be combined to form an array. The micro magnetic device may be, for example, a speaker or a sensor. The micro magnetic device may be made by MEMS or thin film techniques. | 12-24-2009 |
20100008522 | Interchangeable Bar Loudspeaker System - There is provided a speaker connector including first and second speaker elements each having an inward face, an opposing outward face, and an engagement wall extending between the inward and outward faces. The speaker elements are connectable to the first and second speakers, respectively. A connector housing includes first and second end faces disposed on opposing sides of a housing medial portion. First and second inner walls extend inwardly from the first and second end faces, respectively, to define first and second housing recesses. The first and second inner walls are configured to engage with the engagement wall of the respective speaker elements with the first speaker element being received within the first housing recess and the second speaker element being received within the second housing recess. | 01-14-2010 |
20100008523 | Handheld Devices Including Selectively Enabled Audio Transducers - A handheld electronic device, such as mobile terminal, PDA or media player, includes a housing and a plurality of audio transducers supported by the housing and positioned at spaced-apart positions. The device further includes an audio circuit configured to change an allocation of audio transmission and/or reception functions among the plurality of audio transducers responsive to a user's mechanical interaction with the device, e.g., responsive to a change in an attitude at which a user is holding the housing and/or a change in a position of a moveable component of the device, such as a moveable display. | 01-14-2010 |
20100027815 | Acoustic-Mechanical Vibrating - Acoustic devices that include passive radiators. The passive radiators may include an acoustic drivers. The acoustic device may be hand-held or pocket sized. The passive radiators may provide perceptible mechanical vibration. | 02-04-2010 |
20100027816 | 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 include adjusting a moving mass of one of the elector-acoustic transducers. Adjustments may include applying an equalization to one of the electro-acoustic transducers. | 02-04-2010 |
20100104115 | MICRO MAGNETIC SPEAKER DEVICE WITH BALANCED MEMBRANE - A micro magnetic device with a micro magnetic speaker unit having a first element, a second element, and a membrane therebetween. Each of the elements comprises a body, a pole of soft magnetic material, an electrically conductive coil positioned around the pole, and a permanent magnet connected to the membrane. The first element and the second element are magnetically identical. A plurality of speaker units can be combined to provide a speaker array. | 04-29-2010 |
20100135509 | Zeleny sonosphere - Inverse speaker systems comprise a plurality of individual sound-reproducing elements arranged in a substantially spherical arrangement. These inverse speaker systems are useful for applying sound to a human body. | 06-03-2010 |
20100158282 | SPEAKER DEVICE - A speaker device according to the present invention is a speaker device including a plurality of speaker units arranged in a line when seen from the front side of the speaker device. At least one of intervals between effective vibration regions of adjacent speaker units is set to a predetermined length. The predetermined length is a length that is set such that a difference between a distance from an end of one of the effective vibration regions, which form the at least one of intervals therebetween, to a listening position, and a distance from an end of the other of the effective vibration regions to the listening position can be less than half the shortest wavelength of a reproduced sound of each of the speaker units. | 06-24-2010 |
20100322445 | 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 each other. Each module includes a first loudspeaker element and a second loudspeaker element. Each of the first and second elements includes a high-frequency transducer assembly and a low-frequency transducer assembly. The far-field modules and the near-field modules are fixedly connected using a rigging system to provide a smooth and continuous transition from a first splay angle to a second splay. | 12-23-2010 |
20110038494 | Acoustic transducer array - A loudspeaker system comprises a plurality of speaker transducer units divided among and arrayed in at least three linear arrays. The linear arrays are disposed in a like plurality of elongated rectangular baffles. The elongated rectangular baffles are disposed in side by side relationship along the respective elongated sides of the baffles in the form of a tube. The speaker transducer units are aligned in a plurality of ranks. The ends of the tube are closed with the result that one side of speaker transducers radiates into the interior of the enclosure and the other side radiates into the environment. The speaker transducers of each rank are spaced no further from one another than one quarter wavelength at a selected frequency. | 02-17-2011 |
20110096946 | LOUDSPEAKER MODULE - A loudspeaker module includes a hollow main body, two rotatable connecting portions, and two loudspeakers. The hollow main body includes two opposite sidewalls. Each of the opposite sidewall defines a first opening, an inner sidewall of the first opening defines an annular rotating slot. One end of the connecting portion extends an annular flange shaped corresponding to the rotating slot. The two rotatable connecting portions are respectively rotatably connected to the main body via the flange rotating about the rotating slot. Two loudspeakers are disposed in an end of the corresponding rotatable connecting portion away from the main body. | 04-28-2011 |
20110096947 | SPHERICALLY HOUSED LOUDSPEAKER SYSTEM - A loudspeaker system for the reproduction of acoustic waves of music, sound and speech in a substantially circular horizontal plane. The loudspeaker system includes multiple spherical enclosures, each enclosure housing a pair of transducers, each pair of transducers producing acoustic waves of a predetermined frequency range. | 04-28-2011 |
20110142266 | FOLDING-TYPE DIRECTIONAL SPEAKER ARRAY MODULE - In a folding-type directional speaker array module, when sound is output, the directionality of a high frequency band can be obtained through a center speaker module and the directionality of a low frequency band can be obtained through side speaker modules unfolded from both sides of the center speaker module. Accordingly, the speaker array module has excellent directionality in an entire frequency band. Furthermore, the folding-type directional speaker array module has high mobility and portability because the side speaker modules are folded and stored when the folding-type directional speaker array module is not used. | 06-16-2011 |
20110164767 | LOW-PROFILE SPEAKER ARRANGEMENTS FOR COMPACT ELECTRONIC DEVICES - A portable electronic device that provides audio sound output from multiple internal speakers to a common output audio opening in a housing of the portable electronic device is disclosed. In one embodiment, the multiple internal speakers are provided in close proximity to one another, such as adjacent to one another, and serve to produce audio sound pertaining to different audio channels. The sound (i.e., pressure waves) produced by each of the internal speakers is directed into a respective acoustic chamber and output via the output audio opening in the housing. Accordingly, the acoustic chambers for the multiple internal speakers can each direct their audio sound output to the same output audio opening in the housing. The respective acoustic chambers can be formed adjacent to one another with a structural barrier serving to separate the distinct acoustic chambers. | 07-07-2011 |
20110182449 | ENCLOSURE-LESS LOUDSPEAKER SYSTEM - A loudspeaker system is provided for uniformly emanating sound waves to a listening area. The loudspeaker system includes a plurality of drivers, where each driver includes a front face, a rear face, and an axis of symmetry extending substantially perpendicularly through both the front and rear face. Each driver is configured to emanate low and high frequency sound waves from its front face substantially along its axis of symmetry. The loudspeaker system also includes a support structure having an inner volume. The support structure is configured to support the drivers in an arrangement such that the front face of each driver is directed toward the inner volume and the axis of symmetry of each driver intersects a relatively small volume near a central point located at the center of the inner volume. A listening area for the loudspeaker system is outside of the inner volume of the support structure. | 07-28-2011 |
20110228958 | METHOD AND SYSTEM FOR EQUAL ACOUSTICS PORTING | 09-22-2011 |
20110255717 | DIGITAL SOUND PROJECTOR - The present disclosure provides a digital sound projector including a first flat speaker, a second flat speaker, a connecting device and a signal input device. The connecting device pivotally connects the first flat speaker and the second flat speaker to form an angle between a surface of the first flat speaker and a surface of the second flat speaker. The angle is larger than 0 degrees and smaller than 180 degrees. The signal input device inputs electrical signals to each of the first and the second flat speakers. | 10-20-2011 |
20110286613 | Speaker System - An audio speaker comprises three modules stacked on one another to form a tower. The bottom module generates a magneto-strictive output that is coupled to the structure on which the bottom module stands to cause audio signal radiation from that structure. The top module has an upwardly facing cone speaker that radiates audio signals primarily in the upper audio frequency range. These two audio signal radiations combine to provide a more comprehensive frequency range signal than is normally obtained at the small size of the tower. An intermediate module plays media such as an audio card. The modules are releasably held together by embedded magnets in the adjacent facing surfaces of the modules. Signal information is transmitted between modules by terminals on adjacent facing surfaces. The upwardly facing surface has a set of recessed spring loaded upwardly extending terminals. The mating terminals on the downwardly facing surface are flush with the surface contact terminals. | 11-24-2011 |
20120099745 | PORTABLE ELECTRONIC DEVICE HAVING OBLIQUE SOUND OUTPUT ARRANGEMENT - An exemplary portable electronic device includes a flat shell, two speakers received in the shell, and a display panel. The shell includes a front plate at a front side thereof, a rear plate at a rear side thereof, and a sidewall between the front plate and the rear plate. The display panel is arranged at the front side of the shell. The rear plate has a center flat portion substantially parallel to the display panel and two angled portions at two opposite sides of the flat portion. Two sets of sound emission holes are respectively defined in the two angled portions of the rear plate of the shell. The two speakers are located corresponding to the two sets of sound emission holes with a front side of each facing a corresponding set of sound emission holes. | 04-26-2012 |
20120114147 | SPEAKER APPARATUS - A speaker system includes: a first speaker unit having a predetermined directivity angle in the horizontal direction; and a pair of second speaker units which are disposed opposite to each other with the first speaker unit sandwiched between them when viewed in the vertical direction and which have a directivity angle in the horizontal direction greater than the directivity angle of the first speaker unit, wherein distances from the center of the first speaker unit to the centers of the pair of second speaker units are equal to each other, and the first speaker unit and the pair of second speaker units are disposed so as to face toward the same direction. | 05-10-2012 |
20120121111 | SOUND REPRODUCTION APPARATUS AND A METHOD FOR SPEAKER CHARGING/CALIBRATION EMPLOYED IN SAID APPARATUS - There is provided a sound reproduction apparatus including a sub-woofer unit and a plurality of wireless speakers. A method of speaker charging and speaker calibration using the sound reproduction apparatus is also provided. The sub-woofer unit may be configured to perform tasks of both charging a power source in each of the plurality of wireless speakers; and calibrating speaker identity for each of the plurality of wireless speakers. It is advantageous that both of the tasks are performed when the plurality of wireless speakers is coupled to the sub-woofer unit. The speaker identity may include, for example, left front, right front, left rear, right rear, and centre. | 05-17-2012 |
20120163636 | Method and apparatus for creating personal sound zone - An apparatus and method for creating a personal sound zone are provided. The personal sound zone creating apparatus increases directivity in a horizontal direction by including a broadside array adapted to generate a sound beam perpendicularly to an arrangement of an array constituted by at least three transducers in a personal audio device. Also, the personal sound zone creating apparatus controls back radiation by including an end-fire array by arranging at least two arrays. | 06-28-2012 |
20120201403 | OMNIDIRECTIONAL SPEAKER - An omnidirectional speaker comprises a high frequency driver which generates sound over a high frequency range and has a first diameter, and a high frequency waveguide having a second diameter which is larger than the first diameter. A first midrange driver has a third diameter and a second midrange driver has a fourth diameter. Each midrange driver generates sound over a middle frequency range and the first midrange driver faces the second midrange driver. A first midrange waveguide corresponds to the first midrange driver and has a fifth diameter, and a second midrange waveguide corresponds to the second midrange driver and has a sixth diameter. The fifth diameter is larger than the third diameter and the sixth diameter is larger than the fourth diameter, and both of the midrange frequency waveguides are positioned between the first midrange driver and the second midrange driver so as to block a direct path from the first midrange driver to the second midrange driver. | 08-09-2012 |
20120207332 | Housed Loudspeaker Array - A housed loudspeaker array includes a first substrate having a plurality of loudspeaker elements formed therein, a second substrate fixed at a first surface of the first substrate in a flip-chip manner and comprising a plurality of orifices that are aligned with the loudspeaker elements of the plurality of loudspeaker elements of the first substrate, and a cover applied to a second surface of the first substrate opposite to the first surface. A method for manufacturing the housed loudspeaker array is also disclosed. | 08-16-2012 |
20120281861 | VIBRATION DIAPHRAGM AND SPEAKER WITH A VIBRATION DIAPHRAGM - A vibration diaphragm for a speaker has a spherical bowl section, an annular intervening section and an annular outer section. The spherical bowl section has a top and a spherical cavity defined in the top. The annular intervening section is formed on and protrudes radially outward from the spherical bowl section. A bending line is formed on a boundary between the spherical bowl section and the annular intervening section. An annular outer section is formed on and protrudes radially from the annular intervening section and extends obliquely outward in a direction along which the cavity is sunk, wherein a bending line is formed on a boundary between the annular intervening section and the annular outer section, and an obtuse angle is defined between the annular intervening section and annular outer section. | 11-08-2012 |
20120314888 | SPEAKER ASSEMBLY - A speaker assembly includes a speaker housing with a closed top wall that is substantially planar and forms a support surface. A first midrange driver and a first tweeter are mirror images of a second midrange driver and a second tweeter. A first support bracket supports the first midrange driver and first tweeter along a first side of the closed top wall adjacent the first sidewall of the speaker housing. The first support bracket includes a planar support surface which is obliquely oriented relative to a plane in which the closed top wall lies. A second support bracket supports the second midrange driver and the second tweeter along a second side of the closed top wall adjacent the third sidewall of the speaker housing. The second support bracket includes a planar support surface which is obliquely oriented relative to the plane in which the closed top wall lies. | 12-13-2012 |
20120328133 | LOUDSPEAKER AND ELECTRONIC DEVICES INCORPORATING SAME - The invention provides, in some aspects, electronic devices with improved radiators (or “passive drivers”) comprising an elastomerically mounted mass in order to improve sound reproduction fidelity. The mass comprises a component of the device not normally used for such purpose—e.g., a battery—thereby, permitting size reductions while, at the same time, enhancing audio fidelity | 12-27-2012 |
20130034252 | TRANSDUCER MODULE - The present invention is directed to a transducer module including a first transducer and a second transducer. The first transducer is directly or indirectly disposed on a first plate with a first point, and the second transducer is disposed at a second point of the first transducer. In an embodiment, an inertial mass is further disposed on the second transducer. | 02-07-2013 |
20130044904 | TECHNIQUES FOR GENERATING AUDIO SIGNALS - Techniques described herein generally relate to generating an audio signal with a speaker. In some examples, a speaker device is described that includes a membrane and a shutter. The membrane can be configured to oscillate along a first directional path and at a first frequency effective to generate an ultrasonic acoustic signal. The shutter can be positioned about the membrane and configured to modulate the ultrasonic acoustic signal such that an audio signal can be generated. | 02-21-2013 |
20130094677 | COMPOUND MULTI-SPEAKER WITH MODULAR STRUCTURE - A method and an article of manufacture are disclosed for creating a speaker with a diaphragm of a desired size and shape by joining the frames and cones of two or more speakers together using a straight or V-shaped bridge between each adjacent pair. The compound multi-speaker makes it possible to achieve the increased diaphragm area needed for large sound systems without increasing the number of diaphragms, thus avoiding phase cancellation problems. | 04-18-2013 |
20130094678 | ACOUSTIC TRANSDUCER ASSEMBLY - An acoustic transducer assembly is disclosed. It comprises a layer of support material. An electric circuit is integrated with the layer of support material. A plurality of transducers are mounted on the layer of support material to form at least part of an array of transducers A recess or aperture is provided between a pair of the transducers of the array of transducers. The recess or aperture can comprise a recess or aperture of the support material between a pair of transducers of the plurality of transducers mounted on the layer of support material. The layer of support material can be rigid or flexible. A rigid support can be used for supporting at least one transducer of the plurality of transducers. | 04-18-2013 |
20130094679 | MICROELECTROMECHANICAL LOUDSPEAKER ARRAY, AND METHOD FOR OPERATING A MICROELECTROMECHANICAL LOUDSPEAKER ARRAY - A microelectromechanical loudspeaker array includes a plurality of microelectromechanical loudspeaker elements each having a diaphragm element configured to be deflected from a neutral position into at least one deflection position to produce a sound pulse. The array further includes an actuation device which is configured to put the diaphragm element into the at least one deflection position from the neutral position on the basis of drive signals. The array further includes a control device coupled to the plurality of loudspeaker elements. The control device is configured to send, in each case at a driving time, (i) a first drive signal configured to produce a sound pulse by actuating the diaphragm element, and (ii) a respective second drive signal configured to relax the diaphragm element into the neutral position during a predetermined period of time after the driving time to the actuation device of at least one of the loudspeaker elements. | 04-18-2013 |
20130101144 | ACOUSTIC SYSTEM - Positive and negative two terminals of each of a plurality of main speakers constituting an array speaker are connected to each of amplifiers. Then, the main speakers are bridge-driven. Sub-speakers interpolating the main speakers are arranged respectively between the main speakers. Then, the positive and negative terminals of each of the sub-speakers are connected respectively to the terminals of the same polarities of the adjacent two of the main speakers. One sub-speaker receives an average value of the signals provided to the adjacent two main speakers, so that the one sub-speaker interpolates the wavefronts emitted from the adjacent two main speakers. | 04-25-2013 |
20130142364 | Linear Interleaved Magnetic Motor and Loudspeaker Transducer Using Same - A linear interleaved magnetic motor in which the B-field flows between a plurality of motor cell elements, creating a long, serpentine gap. The motor is used with at least one flex circuit as a drive coil. The motor can be used as a drive motor for a loudspeaker transducer. Multiple loudspeaker transducers can be connected together to make a loudspeaker frame or system. | 06-06-2013 |
20130156236 | Audio Apparatus and Method of Changing Sound Emission Mode - An audio apparatus includes a main body, a plurality of speakers provided in the main body, a storage section configured to store a conversion table which indicates a correspondence between postures of the main body and control contents of audio signals to be supplied to the speakers, and a control section configured to refer to the conversion table of the storage section, and control the audio signals to be supplied to the speakers in accordance with a posture of the main body. | 06-20-2013 |
20130301855 | SPHERICALLY HOUSED LOUDSPEAKER SYSTEM - A loudspeaker system for the reproduction of acoustic waves of music, sound and speech in a substantially circular horizontal plane. The loudspeaker system includes multiple spherical enclosures, each enclosure housing a pair of transducers, each pair of transducers producing acoustic waves of a predetermined frequency range. | 11-14-2013 |
20140064524 | Directional Sound Systems and Related Methods - Entertainment systems are provided including directional sound speakers associated with a media player of the entertainment system; and a directional sound controller associated with the directional sound speakers of the media player. The directional sound controller is configured to direct a sound beam associated with the media player at a defined target region such that the sound beam is only audible within the defined target region and experiences less than about 20 dB of leakage outside the target region during operation of the media player. In-flight entertainment systems and related methods are also provided. | 03-06-2014 |
20140140551 | System of Audio Speakers Implemented Using EMP Actuators - A localized multimodal haptic system includes one or more electromechanical polymer (EMP) transducers, each including an EMP layer, such as an electrostrictive polymer active layer. In some applications the EMP transducer may perform an actuator function or a sensor function, or both. The EMP polymer layer has a first surface and a second surface on which one or more electrodes are provided. The EMP layer of the EMP actuator may be 5 microns thick or less. The EMP transducers may provide local haptic response to a local a stimulus. In one application, a touch sensor may be associated with each EMP transducer, such that the haptic event at the touch sensor may be responded to by activating only the associated EMP transducer. Furthermore, the EMP transducer may act as its own touch sensor. A variety of haptic responses may be made available. The EMP transducers may be used in various other applications, such as providing complex surface morphology and audio speakers. | 05-22-2014 |
20140270274 | SPEAKER APPARATUS AND METHODS USEFUL IN CONJUNCTION THEREWITH - An actuation system for generating a physical effect, the system comprising at least one array of translating elements each constrained to travel alternately back and forth along a respective axis, toward first and second extreme positions respectively, in response to activation of first and second forces respectively; and a controller operative to use the first and second forces to selectably latch at least one subset of said translating elements into the first and second extreme positions respectively. | 09-18-2014 |
20140286510 | Loudspeaker Design - Improved speakers are better able to accurately reproduce sound through the use of low-mass transducers. | 09-25-2014 |
20140301580 | LOUDSPEAKER BRACKET - A bracket for attachment to a first speaker and for suspending a second speaker therefrom. The bracket comprises a suspension member configured for attachment to a second speaker and defining an axis about which a second speaker is free to rotate when attached to the suspension member and an adjustable end stop configured to limit the maximum amount of rotation of a second speaker about the axis of rotation. | 10-09-2014 |
20140348352 | LINE ARRAY SPEAKER - A line array speaker in which interference between back pressures of adjacent speakers is reduced is provided. The line array speaker includes three or more cone-shaped speaker units including diaphragms vibrated by magnetic circuit portions. The speaker units are attached to a rectangular baffle plate | 11-27-2014 |
20140363035 | MULTI-WAY COAXIAL LOUDSPEAKER WITH MAGNETIC CYLINDER - A coaxial loudspeaker includes a permanent magnet positioned between a generally coaxially aligned first transducer having an associated permanent magnet and second transducer having an associated permanent magnet. In one embodiment, a magnetic cylinder is positioned between a woofer and a tweeter of a coaxial multi-way loudspeaker. An optional support structure, such as a plastic cylinder, may encompass the permanent magnet to enhance structural characteristics of the assembly. The woofer may include an external ceramic magnet extending around a center pole of the woofer. | 12-11-2014 |
20150110308 | HANDHELD ELECTRONIC DEVICE - A handheld electronic device including a housing, at least one speaker and a touch display module is provided. The speaker and a touch display module are assembled to the housing. A channel is formed between the touch display module and the speaker, and a first sound is generated by the speaker and transmitted in the channel. | 04-23-2015 |
20150139455 | PASSIVE GROUP DELAY BEAM FORMING - A loudspeaker array and methods for generating sound in an arc pattern. The loudspeaker array includes a plurality of loudspeakers. A delay network is included, the delay network having a plurality of stages. Each stage has a stage input and a stage output. The stage output of each stage is coupled to the stage input of a next stage. Each stage output is also connected to at least one of the plurality of loudspeakers. The stage input of the first stage is coupled to an audio signal input. Each stage is configured to add an electrical delay of the audio signal at each subsequent stage. The electrical delay is adjusted such that the plurality of loudspeakers generates sound in a desired radiation pattern. | 05-21-2015 |
20180027318 | MODULAR EAR PHONE ASSEMBLY | 01-25-2018 |
20180027324 | SOUND COLLECTING TERMINAL, SOUND PROVIDING TERMINAL, SOUND DATA PROCESSING SERVER, AND SOUND DATA PROCESSING SYSTEM USING THE SAME | 01-25-2018 |