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| Application No. | Application Title | Issue Date |
| 20110317869 | LOUDSPEAKER DIAPHRAGM AND LOUDSPEAKER INCLUDING THE LOUDSPEAKER DIAPHRAGM A loudspeaker diaphragm according to an embodiment of the present invention includes: a diaphragm portion; and an edge portion, which is molded integrally with the diaphragm portion and made of a material different from a material for the diaphragm portion, wherein: the... | 12/29/2011 |
| 20110155502 | RING SHAPED MEMBRANE FOR AN ELECTRO-ACOUSTICAL LOUDSPEAKER Ring-shaped membrane for an electro-acoustical loudspeaker, where said membrane comprises two or more dome-shaped annulus concentrically arranged around a central portion through which an imaginary axis of symmetry passes, where an outer periphery of said membrane is su... | 06/30/2011 |
| 20110129113 | Speaker diaphragm and speaker A speaker diaphragm with a circular opening in a center zone thereof has a pattern of concave and convex sections formed on a front surface or a rear surface thereof. A plurality of concave and convex sections are formed in each of regions provided at a regular interval... | 06/02/2011 |
| 20110031061 | Electroacoustic Transducer Provided is an electroacoustic transducer having a diaphragm (10). The diaphragm (10) has a first and a second region (20, 30), wherein the hardness, stiffness or compliance of the first region (20) differs from the second region (30).... | 02/10/2011 |
| 20100310112 | DIAPHRAGM AND MICRO-ELECTROACOUSTIC DEVICE INCORPORATING THE SAME A diaphragm includes a central portion in a center of the diaphragm, a pleat portion surrounding the central portion and a flange surrounding the pleat portion. A plurality of pleats are defined in the pleat portion and extend from the central portion to the flange alon... | 12/09/2010 |
| 20100310110 | DIAPHRAGM AND MICRO-ELECTROACOUSTIC DEVICE INCORPORATING THE SAME A diaphragm includes a central portion in a center of the diaphragm and an external portion surrounding the central portion. The central portion includes a central section in a center of the central portion, a peripheral section at an outer periphery of the central port... | 12/09/2010 |
| 20100296687 | Diaphragm and Speaker The present invention provides a dome diaphragm having high strength wholly and uniformly while maintaining a small thickness of a dome portion. A diaphragm 1 according to the present invention is a dome diaphragm including a dome portion 2. The dome porti... | 11/25/2010 |
| 20100158304 | DIAPHRAGM FOR AN ELECTROACOUSTIC TRANSDUCER, AND ELECTROACOUSTIC TRANSDUCER A diaphragm (6) for an electroacoustic transducer is preferably designed to be essentially rectangular and has a diaphragm inner region (20) for sound conversion and a diaphragm outer region (21) for attaching the diaphragm (6) and a diaphrag... | 06/24/2010 |
| 20100111351 | SOUND GENERATOR A sound generator, particularly a loudspeaker, configured to emit sound, comprising a rigid element (2) enclosing a plurality of air compartments (3), wherein the rigid element (2) has a back side (B) comprising apertures (4), and a front sid... | 05/06/2010 |
| 20100092011 | MEMBRANE FOR AN ELECTROACOUSTIC TRANSDUCER AND ACOUSTIC DEVICE A membrane for an electroacoustic transducer is disclosed, wherein said membrane (201) comprises a rigid membrane portion (202) having an edge (203); a flexible membrane portion (204) being connected to the rigid membrane portion (202)... | 04/15/2010 |
| 20090304225 | DOME-SHAPED DIAPHRAGM AND LOUDSPEAKER USING THE SAME The present invention provides a dome-shaped diaphragm fabricated based on a film base of polyethylene terephthalate resin film. The diaphragm includes a first vibrating part of a dome shape or a flat shape, and a second vibrating part of an annular shape. The second vi... | 12/10/2009 |
| 20090060251 | LOUDSPEAKER DIAPHRAGM AND LOUDSPEAKER USING THE SAME A loudspeaker diaphragm having a small overall height dimension, in which a dome portion has a sufficient rigidity and which is capable of realizing a stable loudspeaker operation, wherein the loudspeaker diaphragm can realize a desirable sound reproduction without nois... | 03/05/2009 |
| 20090052726 | DIAPHRAGM AND LOUDSPEAKER UNIT USING THE SAME [PROBLEM] There is provided a diaphragm, and a loudspeaker unit using the same, capable of providing better low-tone characteristics than conventional ones. [SOLUTION] A loudspeaker unit of the present invention includes a base frame and a ... | 02/26/2009 |
| 20090041291 | SPEAKER DIAPHRAGM AND ELECTRODYNAMIC LOUDSPEAKER USING THE SAME The present invention provides a loudspeaker diaphragm and an electrodynamic loudspeaker of an elongated shape being shorter in the minor-axis direction than in the major-axis direction, which have a desirable sound reproducing capability with a high efficiency and are ... | 02/12/2009 |
| 20090028376 | Diaphragm for loudspeaker and loudspeaker A diaphragm body (12) is provided with a plurality of slits (14, 14a) extending from the central part thereof toward the outer circumference. The slits (14, 14a) are filled with a low-elasticity filling material composed of a material ... | 01/29/2009 |
| 20090014233 | Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer A diaphragm in one mode of the present invention comprises an outer shape section having a circle with one diameter, or a shape of a polygon to be inscribed in a circle with the one diameter; an inner shape section protruding in one direction with regard to a plane incl... | 01/15/2009 |
| 20080226116 | Diaphragm and Loudspeaker Using Same Diaphragm (9) has through-hole (10) for fixing a voice coil at its center part, and has a fixing part of edge (12) at its outer periphery whose shape is substantially circular. The shape of the outer periphery of diaphragm (9) is formed as fo... | 09/18/2008 |
| 20080089549 | 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 effective manner. ... | 04/17/2008 |
| 20070023229 | DIAPHRAGM FOR MICRO-ELECTROACOUSTIC DEVICE A diaphragm for a micro-electroacoustic transducer, includes a first layer including an exposed region and a covered region, and a second layer. The second layer overlaps the covered region of the first layer to thereby increase the rigidity of the diaphragm. The covere... | 02/01/2007 |
| 20060196723 | Balloon speaker asembly A balloon speaker assembly has a magnet and coil adjacent thereto connected with electrical signal input, and a supporting structure. ... | 09/07/2006 |
| 20060191742 | Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer A diaphragm in one mode of the present invention comprises an outer shape section having a circle with one diameter, or a shape of a polygon to be inscribed in a circle with the one diameter; an inner shape section protruding in one direction with regard to a plane incl... | 08/31/2006 |
| 20060162993 | Suspension and electro-acoustic transducer using the suspension A suspension (1a) includes a plurality of roll sections (1b) each of which has a semicylindrical shape in a cross section. The roll sections (1b) are disposed side by side based on a straight line connecting two points on an inn... | 07/27/2006 |
| 20060070796 | Electroacoustic transducer comprising a memberane with a middle area comprising stiffening grooves A membrane (20) has a membrane axis (5) and a middle area (50), a central cup-shaped depression (52) being provided around said membrane axis (5), which depression (52) preferably has a connecting channel (53), wherein th... | 04/06/2006 |
