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Patent Searching and Data


Matches 501 - 550 out of 16,525

Document Document Title
WO/2014/175329A1
Provided is a carbonaceous acoustic diaphragm which has a low density, a high flexural modulus, and a high value of acoustic velocity. The carbonaceous acoustic diaphragm comprises a low-density layer (12) constituted of a porous carbon ...  
WO/2014/175466A1
Provided is an acoustic reproduction apparatus that can suppress a loss in comfort and sense of sound volume. The present invention is characterized by causing a user to hear sounds and by being provided with: a vibrating unit (10) provi...  
WO/2014/174849A1
This acoustic device has a retaining part (60), one end of which abuts against the inside of the inferior crus of the antihelix and the other end of which abuts against the depression between the tragus and the antitragus of the user's e...  
WO/2014/170122A1
The invention relates to a composite for production of an acoustic membrane, wherein the composite comprises an internal carrier layer and at least two adhesive layers on the two surfaces of the carrier layer, and wherein the carrier lay...  
WO/2014/162405A1
This speaker device edge comprises natural fibers and chemical fibers, and a chemical fiber film is formed on at least one surface. The edge is formed in a sheet forming step. The film is formed by solidifying after being melted by heat....  
WO/2014/045008A3
A diaphragm (14) for a loudspeaker drive unit or for a microphone comprise a rigid dome-shaped member having a thickness that varies from a first thicker thickness at a first location (region 30) at the periphery of the dome-shaped membe...  
WO/2014/162410A1
This edge of a loudspeaker apparatus is formed by laminating, on a first layer containing a fiber, a second layer containing a rubber-based member, and a third layer containing a urethane-based member. By means of providing the third lay...  
WO/2014/162467A1
Provided are: a vibration body for speaker devices, wherein reduction in audio quality in the bass range is reduced; and a speaker device. The vibration body for speaker devices comprises a vibration plate (11) that emits sound and an ...  
WO/2014/162545A1
A thin speaker device capable of emitting high-volume reproduced sound is provided. Said speaker device (1) is provided with the following: a first diaphragm (21) and a second diaphragm (22) laid out so as to face each other; a stationar...  
WO/2014/162473A1
The purpose of the present invention is to provide, for instance, a vibrating body whereby desired frequency characteristics can be obtained at a low cost, and a loudspeaker apparatus using the vibrating body. This vibrating body has a d...  
WO/2014/162546A1
The present invention makes it possible to reduce the thickness of a speaker device in its entirety, including a cabinet. Said speaker device is provided with a speaker unit (1U) and a cabinet (70) that covers said speaker unit (1U). The...  
WO/2014/162412A1
This diaphragm is fabricated by bonding a first layer and a second layer together. When doing so, a third material that differs from the materials constituting the first and second layers is sandwiched therebetween. This makes it possibl...  
WO/2014/162411A1
This diaphragm has a first region and a second region inside said first region. The first and second regions have different shapes, and the second region is thinner than the first region. This makes it possible to reduce the size of a pe...  
WO/2014/162404A1
This vibrating part of a speaker device is provided with a diaphragm and an edge. The edge supports the diaphragm on a frame of the speaker device. The diaphragm has two layers, and the edge has a junction on the inner periphery. The jun...  
WO/2014/162468A1
The present invention provides a vibrating body for a speaker, the vibrating body having a large effective vibration area and being prevented from delaminating, and a speaker device having such a vibrating body for a speaker. The vibrati...  
WO/2014/162976A1
Provided is an electroacoustic transduction film that is suitable for speakers having flexibility or the like and that can stably exhibit a predetermined acoustic characteristic regardless of the status of curvature. This problem is solv...  
WO/2014/162469A1
Provided is a speaker device with which high strength can be obtained for the connection between the outer peripheral region of an edge and the attachment part of a frame, even while reducing the size without sacrificing the breadth of a...  
WO/2014/162472A1
The purpose of the present invention is to provide a diaphragm having a structure which allows leads to be passed through the diaphragm, e.g., without increased cost, and also to provide a speaker device using the diaphragm. A diaphragm ...  
WO/2014/162544A1
The present invention prevents a flat voice coil in a speaker device from deforming when vibrating, thereby generating a driving force efficiently. Said speaker device is provided with a diaphragm (20), a stationary part (10) that suppor...  
WO/2014/157684A1
This speaker system is provided with: an electroacoustic conversion film having a polymer composite piezoelectric body, which results from dispersing piezoelectric body particles in a viscoelastic matrix comprising a polymer material hav...  
WO/2014/157351A1
Provided is an electroacoustic conversion film having: a polymer composite piezoelectric body resulting from dispersing piezoelectric body particles in a viscoelastic matrix comprising a polymer material having viscoelasticity at room te...  
WO/2014/149588A1
An integrated MEMS acoustic sensor has a MEMS transducer and a programmable electronic interface. The programmable electronic interface includes non-volatile memory and is coupled to the MEMS transducer. Using programmable electrical fun...  
WO/2014/146419A1
Provided is a vibration diaphragm (1) used for a loudspeaker, comprising: two ends, and a diaphragm body which is located between the two ends and is provided with a front surface and a back surface, wherein the inner diameter of one end...  
WO/2014/146420A1
Provided is a vibration diaphragm (1). A diaphragm body of a vibration diaphragm comprises a main body (2) in a truncated cone shape, and the diaphragm body (2) also comprises at least one first bulge (3) protruded to the front surface o...  
WO/2014/141389A1
Provided are: a speaker diaphragm which prevents carbon fibers from falling out, and has favorable surface uniformity; and a speaker device having such a speaker diaphragm. At least one part of the speaker diaphragm is configured from an...  
WO/2014/141390A1
Provided are: a speaker diaphragm exhibiting a high Young's modulus; and a speaker device provided with such a speaker diaphragm. This speaker diaphragm is configured using an entangled fibrous body. The entangled fibrous body includes s...  
WO/2014/144084A1
The invention generally relates to acoustic transducers. In certain aspects, the acoustic transducer includes a diaphragm and an actuator releasably coupled to the diaphragm to cause movement of the diaphragm. The transducer may also inc...  
WO/2014/141909A1
This electrostatic speaker is equipped with: a multilayer film body that has a planar film-shaped vibrating film, electrode films provided on either side of the vibrating film, and buffer films interposed between the vibrating film and t...  
WO/2014/135620A1
An acoustic compound membrane comprising: a central layer (C); a first glue layer (D1) attached to one side of the central layer (C); a second glue layer (D2) attached to another side of the central layer (C); an upper layer (A) provided...  
WO/2014/134851A1
The present invention provides a motor for a dynamic loudspeaker, comprising: pole plate;magnets positioned on the pole plate, comprising-outer magnets and an inner magnet; magnet poles positioned on the magnets, comprising outer poles a...  
WO/2014/136430A1
In this speaker, a second magnetic section is disposed between two first magnetic sections disposed in parallel on a bottom plate. An annular top plate is provided on the two first magnetic sections, and is disposed in a manner so as to ...  
WO/2014/137010A1
The present invention relates to a plate-type speaker, and more specifically, to a plate-type speaker in which a printed circuit board (PCB) or a flexible printed circuit board (FPCB) serves as a vibration plate. The plate-type speaker c...  
WO/2014/132393A1
Provided is an inexpensive speaker diaphragm capable of suppressing inter-layer peeling. A speaker diaphragm (4) each comprises a formed paper member comprising materials (4a1, 4b1) and is provided with a first diaphragm layer (4a) and a...  
WO/2014/133040A1
Provided is a speaker that has an electrostatic speaker unit and is provided with the following: a sound absorbing material having a first surface that is disposed on a first surface side of the electrostatic speaker unit and that has a ...  
WO/2014/131668A1
A diaphragm for a loudspeaker, wherein the diaphragm is formed generally in a closed loop around a central void, the loop lying in a plane, the diaphragm having an axis in a direction orthogonal to the plane along which axis the diaphrag...  
WO/2014/132639A1
In the present invention, an electronic instrument is provided with the following: a vibration section for generating a vibration sound that is transmitted by vibrating a portion of the human body that is touched or pressed; and a plural...  
WO/2014/119319A1
A speaker (10) has: a flexible substrate (50) that includes a vibration circuit section (59), which has voice coil wiring (60) formed thereon and functions as a planar acoustic transducer, and a drive circuit section (58) for supplying a...  
WO/2014/119695A1
The purpose of the present invention is to provide a piezoelectric vibrating body that is capable of instantaneously generating vibrations for causing what is referred to as a haptic sensation by effectively generating sound waves when a...  
WO/2014/114583A1
The invention relates in particular to a loudspeaker system for Integration into a wall or ceiling surface, comprising at least one low-frequency loudspeaker (10) and at least one mid-range loudspeaker (11), which is designed as a flat s...  
WO/2014/106713A1
The invention relates to a loudspeaker membrane having a sandwich structure, having a central web (6) separating two layers (2, 10) of material based on high-rigidity threads impregnated with a polymer resin, characterized in that the ce...  
WO/2014/106691A1
A speaker comprising: a case; a display configured to display an image; at least one vibrating element configured to actuate the display to move the display relative to the case to generate acoustic waves; a gasket interfacing the case a...  
WO/2014/104018A1
[Problem] To obtain excellent sound qualities having less noise. [Solution] According to an embodiment of the present invention, a sound generator is provided with at least an exciter, a diaphragm, and a first damping material. The excit...  
WO/2014/103424A1
[Problem] To provide a sound generator capable of producing frequency properties of a favorable sound pressure, a sound generation device, and an electronic device. [Solution] A sound generator according to an embodiment has at least an ...  
WO/2014/103970A1
[Problem] To provide a sound generator that is capable of generating sound having excellent sound qualities, and a sound generating apparatus and an electronic apparatus using the sound generator. [Solution] Provided is a sound generator...  
WO/2014/103454A1
[Problem] To provide a sound emitter and an electronic apparatus employing same, whereby it is possible to emit a sound having a high sound pressure in a wide frequency region. [Solution] Provided are a sound emitter and an electronic ap...  
WO/2014/103427A1
[Problem] To obtain excellent sound-pressure frequency characteristics. [Solution] According to an embodiment of the present invention, a sound generator is provided with an exciter, a diaphragm, and a supporting body. The exciter vibrat...  
WO/2014/106271A1
A flow controlled sound generation system is disclosed that includes one or more fluid pumps to control air flow through a sound channel. The air flow is modulated through one or more valves to produce audible frequency pressure waves.  
WO/2014/104039A1
[Problem] To provide a simple and economical device capable of providing an excellent sound field in accordance with the listener's preferences by adjusting the listener's interaural correlation coefficient. [Solution] A sound field adju...  
WO/2014/103951A1
[Problem] To provide a sound generator capable of producing frequency properties of a favorable sound pressure, a sound generation device, and an electronic device. [Solution] A sound generator according to an embodiment has at least an ...  
WO/2014/104003A1
Provided is a carbonaceous acoustic diaphragm that has sufficient mechanical strength and has excellent properties required of acoustic diaphragms. A starting material for amorphous carbon, such as a vinyl chloride resin or a furan resin...  

Matches 501 - 550 out of 16,525