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Patent Searching and Data


Matches 451 - 500 out of 6,656

Document Document Title
WO/2006/070066A1
A method for fastening a speaker to a speaker chamber, and a speaker chamber with a speaker. The speaker (530) is placed in a speaker frame (513) belonging to the frame part (511, 513) of a speaker chamber. Laser welding is used in the f...  
WO/2006/066850A2
The invention relates to a loudspeaker diaphragm (62) comprising a tapering border region (12). This permits the cost-effective and efficient prevention or significant reduction of a wave reflection and an uncontrolled wave propagation t...  
WO/2006/056871A2
A component that is rigid and three-dimensional and has a relatively low mass. The component has a foil body formed of a metal or metal alloy matrix that is embedded with ultra-hard particles or grit, such as diamond and/or cBN. It can b...  
WO/2006/054501A1
A speaker using a resin with adhesiveness as a surface treatment agent already applied onto either of a diaphragm and a voice coil before adhesion and a method of manufacturing the speaker. Since the weight of an adhesive agent used for ...  
WO/2006/055801A2
A loudspeaker incorporates features to improve performance and quality while reducing component and manufacturing costs. One embodiment of a loudspeaker has a frame with a generic mounting edge that mates with a secondary mounting compon...  
WO/2006/013717A1
Disclosed is a capacitive micromachined ultrasonic transducer comprising at least a silicon substrate, a first electrode arranged on the silicon substrate, a second electrode arranged opposite to the first electrode with a certain space ...  
WO/2006/009220A1
In an ultrasonic transducer, an acoustic matching member is formed on an acoustic wave radiation side of an electromechanical transducer, a backing material is firmly adhered on the opposite side, an electrode layer and a notched part ar...  
WO/2006/000402A1
The invention concerns an electro-acoustic back electret transducer (1) with a membrane (2), a counter electrode (3) and an electret layer (4) applied to the side of the counter electrode facing the membrane, and a method for producing s...  
WO/2006/001292A1
A production facility for a speaker diaphragm capable of molding a sheet-like film material by stepwise controlling the pressure and flow of a compressed air in air-pressure molding and a method of manufacturing the diaphragm by using th...  
WO/2006/001792A1
A transducer suitable for use as a microphone or receiver in a hearing aid has a housing and a diaphragm disposed within the housing. A motor assembly is also disposed within the housing and operatively coupled to the diaphragm. The moto...  
WO/2005/120130A1
An electrostatic capacity type ultrasonic vibrator includes a membrane (9) having one electrode (7) formed on the surface of the ultrasonic transmission/reception side, a cavity (13) configured on its rear surface, and a substrate (2) on...  
WO/2005/120125A1
Disclosed is an acoustic transducer comprising a capsule housing and a damping element that is made of plastic film. Said plastic film is provided with holes produced by means of a laser.  
WO/2005/120129A1
Disclosed is a microphone comprising a microphone capsule housing, a diaphragm, an electrode, and an insulating part which is disposed between the diaphragm and the electrode in the microphone capsule housing. Said insulating part is pro...  
WO/2005/115052A1
The invention relates to a capacitor microphone comprising a microphone housing having a sound inlet and a membrane of a counter electrode associated with the membrane at a small distance from said membrane. The aim of the invention is t...  
WO/2005/115054A1
A transducer element includes a piezoelectric vibrator which vibrates to emit ultrasonic, and one or more acoustic matching layers. A supersonic transducer is provided with the transducer element and an acoustic lens. Space sections betw...  
WO/2005/097926A1
Disclosed is an ink for screen printing which contains a micelle structure, wherein an acrylic acid ammonium salt is agglomerated onto a dispersed particle containing a phenol resin, and a dispersion medium for dispersing such a micelle ...  
WO/2005/099305A1
Edges (29) supporting a vibrating plate assembly (100) on a frame (26) are connected at their outer peripheral parts to the frame (26) and joined at their inner peripheral parts to a diaphragm (27) at a position more peripherally inward ...  
WO/2005/091674A1
[PROBLEMS] To accurately tune the frequency of vibration by means of a suspension during assembly. [MEANS FOR SOLVING PROBLEMS] Securing planned positions (3e) where a magnetic circuit portion (2) is secured to a suspension (3) are provi...  
WO/2005/086529A1
A speaker, wherein a cylindrical suspension holder (9) formed to be diverged downward is installed on the rear surface of a diaphragm (7) integrally with each other, and the peripheral edge of the suspension holder (9) is joined to a fra...  
WO/2005/084076A1
In a method of and a device for producing a membrane (1) for an electroacoustic transducer, the procedure is such that a membrane (1), which has been produced for example by deep-drawing, is at least partially coated on at least one surf...  
WO2005009219A3
The present invention relates to a method for making an ablation transducer having a plurality of helical elements that can be operated out of phase to orient the acoustical energy beam forward or backward in the longitudinal direction. ...  
WO/2005/083764A1
The oxide film (2) of a sensor element (11) is formed on a rectangular substrate (1), a diaphragm (3) is formed on the oxide film (2), fixing units (4) are formed on the diaphragm (3), a back electrode (5) is formed on the fixing units (...  
WO/2005/079110A1
A speaker-use diaphragm or a dust cap produced by injection-molding a mixture containing at least a resin material and a fiber material. The both features of the advantage of a paper diaphragm having a large degree of freedom in setting ...  
WO/2005/079107A1
A bone-conduction device (speaker) and a method of manufacturing the bone-conduction device. By the method, not only the device can be manufactured efficiently since man-hours for processing parts is small and a troublesome ground waste ...  
WO/2005/072009A1
An armature for a receiver includes a first leg portion, a second leg portion, and a connection portion in communication with the first and second leg portions. The connection portion reduces the stiffness of the armature and minimizes m...  
WO/2005/069682A1
A condenser microphone having a shape of parallelepiped for easily confirming the direction of a component in the process of SMD even if the microphone has two or more electric connecting terminals is disclosed. The condenser microphone ...  
WO/2005/062689A2
A method of manufacturing a flexible printed circuit suspension assembly is disclosed. Specifically, the method comprises attaching a suspension to a first end of a flexible printed circuit, bending the suspension to a predetermined posi...  
WO2004089036A3
A loudspeaker with a sealed enclosure having an active driver and a passive radiator mounted thereon is disclosed. The passive radiator is mounted essentially centrally in a passive radiator aperture and is held in place by a suspension ...  
WO/2005/062666A1
An underwater acoustic projector comprising one or more cylindrical shell segments (8), each shell segment (8) having an even number of drivers (10) mounted therein, and the method of manufacturing said projector. The shell segments (8) ...  
WO/2005/055657A1
The present invention relates, in general, to methods for manufacturing vibrators for electro-acoustic transducers and, more particularly, to a method of manufacturing a vibrator for an electro-acoustic transducer, such as a micro speake...  
WO/2005/048652A1
In an electro-acoustic transducer (1), there are provided sound-generating means (38) of an annular form that surround an interior space (22), in which interior space (22) is housed an integrated circuit (31) by means of which a communic...  
WO/2005/038781A1
A system and method are disclosed for using a test slider to test the resonance performance of a head gimbal assembly. The test slider has a two-stripe air-bearing surface to allow the test slider to glide above a surface and a block wit...  
WO/2005/020630A1
A shallow loudspeaker provided with a chassis (2), a movable body (4), a resilient suspension for guiding the movable body with respect to the chassis along a translation axis (T), and an electric actuator (6) for driving the movable bod...  
WO2004114717A3
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 the driving assembly to a radiating member...  
WO/2005/015951A1
[PROBLEMS] A case with an insert terminal capable of molding without using a slide die while minimizing dimensional difference between the opening of the case and a piezoelectric diaphragm. [MEANS FOR SOLVING PROBLEMS] The case (20) has ...  
WO/2005/009219A2
The present invention relates to a method for making an ablation transducer having a plurality of helical elements that can be operated out of phase to orient the acoustical energy beam forward or backward in the longitudinal direction. ...  
WO/2005/009077A1
A sound detection mechanism allowing a diaphragm and rear electrodes to be formed on a substrate by a simple process. An acoustic hole forming through holes (Ba) is formed on the front surface side of the substrate (A), a second protecti...  
WO2004036952A3
The invention relates to a method for producing a membrane (120) used for a component, for example for a microphone. The inventive method consists in deposing a counter electrode (104) on a substrate (100), said counter electrode (104) c...  
WO/2004/114717A2
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 the driving assembly to a radiating member...  
WO2004095881A3  
WO/2004/114720A1
The invention relates to an electromechanical transducer and a method for manufacturing the transducer. The transducer includes a membrane (3), two electrodes (1, 2), the electric field between which can be controlled or measured, and a ...  
WO/2004/105428A1
A silicon microphone is formed using the steps of providing a first wafer including a layer of heavily doped silicon, a layer of silicon and an intermediate layer of oxide between the two silicon layers. The first wafer has a first major...  
WO/2004/103017A1
A speaker used for mobile communication devices such as a mobile phone and composed of a case and two speaker elements in the case. The speaker has stable characteristics such as sound pressure-frequency characteristic. The yoke (3A) of ...  
WO/2004/100606A1
A method for manufacturing a carrier element for a hearing aid said method comprising the steps of providing a substantially flat conducting structure, moulding a plastic material around selected areas of said structure leaving at least ...  
WO/2004/098236A1
A speaker diaphragm formed by impregnating at least a thermosetting resin composition into a nonwoven fabric, followed by molding and curing, wherein the nonwoven fabric is made from fiber materials containing protein fibers, and the the...  
WO/2004/095882A1
The invention relates to a membrane (1) for a loudspeaker, characterised in that: it has a core (2) consisting of structural mousse which is very precisely cut and thermoformed to the desired geometric profile for the membrane; the exter...  
WO/2004/095881A2
The invention relates to a loudspeaker for a loudspeaker cabinet, especially a tweeter or a medium, comprising a direct radiation spherical membrane which has a concave face in relation to the spool and on which the mobile spool is posit...  
WO/2004/089036A2
A loudspeaker with a sealed enclosure having an active driver and a passive radiator mounted thereon is disclosed. The passive radiator is mounted essentially centrally in a passive radiator aperture and is held in place by a suspension ...  
WO/2004/080122A1
A condenser microphone having a housing (12), a diaphragm assembly (14) and backplate (16) located within the housing. A spacer (18) isolates the diaphragm assembly from the housing and spaces the diaphragm assembly from the backplate. T...  
WO2003043747A8
To achieve a large thickness of conductive metal-containing material in a feature of a product unit processed with a liquid-based etch process, the desired thickness of material is apportioned to the two opposing surfaces of a substrate ...  

Matches 451 - 500 out of 6,656