Matches 1 - 50 out of 227 1 2 3 4 5 >


Match Document Document Title
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...
8170243 Audio output apparatus and vibrator  
An audio output apparatus is provided. The audio output apparatus includes: a vibration member, a vibrator, a vibrator positioning unit, and a vibrator-depth positioning unit. The vibration member...
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...
8144918 Diaphragm for planar speaker and planar speaker  
A diaphragm for a planar speaker and a planar speaker having a long-term stability and a high reliability and exhibiting a flat sound pressure frequency property. The diaphragm for a planar speaker...
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...
8126189 Multi-directional flat speaker device  
A multi-directional flat speaker device is disclosed. By the directional characteristics of a plurality of flat speakers of the flat speaker device, accompanying with mechanism to actuate each of...
8107667 Loudspeaker diaphragm and method for manufacturing a loudspeaker diaphragm  
A loudspeaker diaphragm includes a tapering edge region. Thus, it is possible to prevent or considerably reduce wave reflection and uncontrolled wave propagation caused thereby in a cheap and...
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...
8090140 Speaker and method of outputting acoustic sound  
A speaker has an acoustic diaphragm, and an actuator that is driven based on an acoustic signal. The actuator has a transmission portion that is directly or indirectly attached to the acoustic...
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...
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...
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...
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...
8041072 Audio output apparatus and method  
An audio output apparatus for converting an input audio signal into audio and outputting the audio includes a first oscillation enhancing panel for outputting the audio as a result of being...
8014545 Ceiling or wall-mounted loudspeaker system with anti-diffraction wave launch device  
A loudspeaker system includes an enclosure having an open end defining a plane, a baffle, a loudspeaker operating in the 4 kHz to 10 kHz range, and a device, preferably a ribbed portion having a...
8014547 Piezoelectric speaker and method for manufacturing the same  
A piezoelectric speaker comprises a plurality of diaphragms, connecting components, and piezoelectric elements. The plurality of diaphragms are each formed by a laminated material in which a core...
8009854 System for the projection of cinematographic works and digital works with sound  
A system for the projection of cinematographic works or digital works with sound having at least one sound channel. The system comprises a screen and, for the sound channel, at least one woofer and...
7992673 On-wall loudspeaker and mounting apparatus  
An on-wall loudspeaker and mounting apparatus includes an enclosure, a loudspeaker driver mounted in the enclosure, brackets of equal length and attachable to a wall, arms of equal length pivotably...
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 o...
7982627 Meter device, information processing device, and meter driving method  
A meter device includes an indicator unit, movably supported within a predetermined range, for representing an amplitude value of an input signal by a movement amount Δθ from a reference position θ...
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...
7916880 Transducer  
An inertial force transducer having an operative frequency range comprises a resonant element having a frequency distribution of modes in the operative frequency range of the transducer and a...
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,...
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...
7889876 Loudspeaker driver assemblies  
An improved driver assembly for a panel loudspeaker includes a retaining element for locating the voice coil with respect to the magnet assembly and forming a surface for removable attachment of...
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...
7844060 Remote control single crystal speaker system  
A light socket mounted radio receiver speaker device having a light bulb screw base for attaching to a light socket. A detector having a detector signal input, a first electrical output and a...
7844068 Wall mounted speaker system, apparatus and method  
A wall mounted speaker system which is arranged to alleviate problems of unwanted noise in the production and transmission of audio waves, particularly in the lower wave lengths from 20 to 200 hz....
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...
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...
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...
7786374 Pianoforte instrument exhibiting an additional delivery of energy into the sound board, and method for influencing the sound of a pianoforte instrument  
Disclosed is a pianoforte instrument comprising a musical mechanism with keys. Also provided are strings which are struck via a mechanism when the keys are actuated and are made to vibrate. The...
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;...
7764804 Panel-typed loud speaker and an exciter therefor  
An exciter for a panel-type loud speaker comprises a bimorph and a bimorph holding member. The bimorph comprises a plate member and a pair of piezoelectric ceramic layers, each formed on the...
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...
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...
7702320 Sound reproducing system in portable information terminal and method therefor  
A portable information terminal having high adaptability and high convenience with respect to operating environment, and by which comfortable and high-quality sounds can be reproduced is provided....
7684576 Resonant element transducer  
A transducer (14) for producing a force which excites an acoustic radiator, e.g. a panel (12) to produce an acoustic output. The transducer (14) has an intended operative frequency range and...
7680293 Loudspeaker apparatus  
A loudspeaker apparatus includes a speaker unit and a front cover. The speaker unit generates acoustic waves according to an external electronic signal. The front cover located in front of the...
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...
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...
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...
7654361 Balanced cantilever spring bracket  
A bracket for retaining a sound transducer against a soundboard. The bracket is mountable to architectural frame members and is operable to balance the load of the transducer in the bracket. The...
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...
7650006 Method to generate a plane acoustic wave front, a plane wave channel, a loudspeaker construction and a linear loudspeaker array  
A method and a loudspeaker construction (10), in which loudspeaker construction spherical acoustic wave fronts emitted by the diaphragms (12) of speaker elements (11) are transformed into a...
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...
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...
7620193 Acoustic actuators  
An acoustic transducer comprises an active element which changes in length along a first axis in response to an audiofrequency input signal, the element being mounted between an inertial mass and a...
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 o...
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...
Matches 1 - 50 out of 227 1 2 3 4 5 >