Abstract: A speaker edge includes a resin layer including a resin member and a fiber layer including a tangled fiber body. A melting temperature of the tangled fiber body is higher than a melting temperature of the resin member. The hardness of the tangled fiber body is lower than the hardness of the resin member.

Abstract: There is provided a speaker allowing an air in a space between a diaphragm and a frame not to leak outside, and allowing connecting wires electrically connected to the voice coil to be guided out to an outside. A speaker I includes: a frame 4; a magnetic circuit unit 2; a vibrating unit 3; and a wiring structure unit 5. A hole 28 is formed on the frame 4. The magnetic circuit unit 2 is attached to the frame 4. The vibrating unit 3 is received in the frame 4, and includes diaphragms 14, 15 vibrated by the magnetic circuit unit 2. An air in a space surrounded by the diaphragms 14, 15 and the frame 4 is sealed. The wiring structure unit 5 includes a tube member 38, into which lead wires 37 are inserted. The tube member 38 is pressed into a hole 28, and guides the lead wires 37 to an outside of the space.

Abstract: A speaker having improved sound quality by reducing a phase difference and also having an outstanding outward appearance is provided. In a speaker comprising a vibrating element 10, a drive unit 20 for vibrating the vibrating element 10, and a frame 30 supporting the vibrating element 10 and the drive unit 20, the vibrating element 10 comprises a front face region 10A which forms a continuously curved face having a convex-shaped cross-sectional portion T1 formed in its central portion and a concave-shaped cross-sectional portion T2 formed around the portion T1, and a connecting region 10B located on the rear side of the front face region 10A and connected to the drive unit 20.

Abstract: A speaker 1 includes: a frame 4; a magnetic circuit 2; and a vibrating unit 3. The magnetic circuit 2 is attached to the frame 4. The vibrating unit 3 is received in the frame 4, and includes a drive cone 14 and a diaphragm 15 vibrated by the magnetic circuit 2. A space surrounded by the drive cone 14, the diaphragm 15 and the frame 4 is sealed. An edge unit 17 is attached to an outer edge of the drive cone 14. The edge unit 17 is in an arc sectional shape, and integrally includes two roll parts 47 arranged coaxially to each other.

Abstract: According to an aspect of the invention, there is provided a speaker apparatus including: a speaker frame; and a connection terminal for electrically connecting to an outside of a speaker, an axis line of the connection terminal being arranged along a tangential line direction of a circumference of the speaker, the connection terminal being not projected to an outer side in a diameter direction of the speaker from the speaker frame.

Abstract: A drive cone 11 and a diaphragm 14 are integrally driven by a voice coil 6 movably disposed in a magnetic gap 5. Peripheral edge portions of the drive cone 11 and the diaphragm 14 are supported by a frame 12 via different edge portions 13 and 15, respectively. The drive cone 11 is provided with a rising-up portion 11a which rises up toward an acoustic radiation direction from a inner circumferential end, and a rising-down portion 11b which rises down toward a direction reverse to the acoustic radiation direction. An inner circumferential edge of the diaphragm 14 is fixed at an annular top formed between the rising-up portion and the rising-down portion. Moreover, a first rib 11c and a second rib 11d are formed on the drive cone 11 in such a manner as to rise up toward the acoustic radiation direction integrally with the drive cone. The diaphragm 14 is supported also at the tips of the ribs.

Abstract: A voice coil 6 is movably disposed in a magnetic gap 5. A drive cone (first diaphragm) 11 and a diaphragm (second diaphragm) 14 are integrally driven by the voice coil 6. Peripheral edge portion of the drive cone 11 and the diaphragm 14 are supported by a frame 12 through edge portions 13 and 15, respectively. An annular adhesive receiver 8 is disposed in a peripheral surface of a voice coil bobbin 7 around which the voice coil 6 is wound, and an inner peripheral edge 11a of the drive cone 11 is accommodated in the adhesive receiver 8. The drive cone 11, the adhesive receiver 8 and the voice coil bobbin 7 are connected to each other by an adhesive filled into the adhesive receiver 8.

Abstract: According to an embodiment of the invention, there is provided a speaker apparatus includes: a voice coil bobbin; and a diaphragm that is vibrated by the voice coil bobbin, the diaphragm including an edge portion at an outer circumference of the diaphragm, the edge portion including at least two ridge portions protruding forward.

Abstract: According to an aspect of the invention, there is provided a speaker apparatus including: a magnetic circuit; a vibrating plate vibrated by the magnetic circuit; a speaker frame holding the magnetic circuit and the vibrating plate, and a connecting portion connecting a portion of holding the vibrating plate and a portion of holding the magnetic circuit, an inclined face of the connecting portion being inclined relative to a direction of tangential line of circumference of the speaker frame, the connecting portion configured to flow air due to a vibration of the vibrating plate along the inclined face thereof.

Abstract: A speaker having a drive cone and a diaphragm which can deal with higher output. The speaker comprises a frame, a magnetic circuit section, and a vibrating section. The magnetic circuit section is fixed to the frame. The vibrating section is housed in the frame and includes a drive cone (14) and a diaphragm (15) which are vibrated by the magnetic circuit section. The drive cone (14) has a coniacal cone body (47), outer steps (48) and inner steps (49). A plurality of outer steps (48) are provided at the outer edge of the cone body (47) while spaced apart along the circumferential direction. A plurality of inner steps (49) are provided at the inner edge of the cone body (47) while spaced apart along the circumferential direction. The steps (48, 49) are formed flatly along the vibrating direction of the drive cone (14), i.e. the direction intersecting the central axis perpendicularly. A gold thread (36) is secured to each of the steps (48, 49).

Abstract: A speaker device includes a magnetic circuit system and a vibration system. The vibration system has a voice coil bobbin, a voice coil wound therearound, a damper, an annular member, a diaphragm and one additional annular member fixed to the voice coil via an adhesive. In the vibration system, the additional annular member and the annular member are arranged on the lower side of the damper and on the upper side of the damper, respectively. A flat portion in the vicinity of the inner peripheral edge portion of the damper is sandwiched between the additional annular member and the annular member.

Abstract: A drive cone 11 and a diaphragm 14 are integrally driven by a voice coil 6 which is movably disposed in a magnetic gap 5. Peripheral edges of the drive cone 11 and diaphragm 14 are supported by a frame 12 through edge portions 13 and 15. A lead wire 21 supplies a drive signal to the voice coil 6. The lead wire 21 is disposed along a surface shape of the edge portion 13 which supports the drive cone 11. The lead wire 21 is mounted along a roll shape of a flexible adhesive utilizing the adhesive. With this structure, the lead wire 21 deforms such as to follow deformation of the edge portion 13 in the drive cone 11 in accordance with vibration of the diaphragm 14. Therefore, it is possible to prevent a bending stress caused by vibration from being transmitted to a portion of the lead wire.

Abstract: There is provided a speaker allowing an air in a space between a diaphragm and a frame not to leak outside, and allowing connecting wires electrically connected to the voice coil to be guided out to an outside. A speaker 1 includes: a frame 4; a magnetic circuit unit 2; a vibrating unit 3; and a wiring structure unit 5. A hole 28 is formed on the frame 4. The magnetic circuit unit 2 is attached to the frame 4. The vibrating unit 3 is received in the frame 4, and includes diaphragms 14, 15 vibrated by the magnetic circuit unit 2. An air in a space surrounded by the diaphragms 14, 15 and the frame 4 is sealed. The wiring structure unit 5 includes a tube member 38, into which lead wires 37 are inserted. The tube member 38 is pressed into a hole 28, and guides the lead wires 37 to an outside of the space.

Abstract: There is provided a speaker, in which a space surrounded by the drive cone, the diaphragm, and the frame is sealed, to prevent the sound quality from changing, and prevent an edge unit from being broken in particular with a large sound volume. A speaker 1 includes: a frame 4; a magnetic circuit 2; and a vibrating unit 3. The magnetic circuit 2 is attached to the frame 4. The vibrating unit 3 is received in the frame 4, and includes a drive cone 14 and a diaphragm 15 vibrated by the magnetic circuit 2. A space surrounded by the drive cone 14, the diaphragm 15 and the frame 4 is sealed. An edge unit 17 is attached to an outer edge of the drive cone 14. The edge unit 17 is in an arc sectional shape, and integrally includes two roll parts 47 arranged coaxially to each other.

Abstract: A speaker having improved sound quality by reducing a phase difference and also having an outstanding outward appearance is provided. In a speaker comprising a vibrating element 10, a drive unit 20 for vibrating the vibrating element 10, and a frame 30 supporting the vibrating element 10 and the drive unit 20, the vibrating element 10 comprises a front face region 10A which forms a continuously curved face having a convex-shaped cross-sectional portion T1 formed in its central portion and a concave-shaped cross-sectional portion T2 formed around the portion T1, and a connecting region 10B located on the rear side of the front face region 10A and connected to the drive unit 20.

Abstract: A speaker device includes a vibration system, having a voice coil bobbin, a diaphragm, a supporting cap and a cap, and a magnetic circuit system. The inner peripheral edge portion of the diaphragm is mounted on an area in the vicinity of the upper end portion of the outer peripheral wall of the voice coil bobbin. The projecting portion of the cap is inserted into the opening of the supporting cap, and the supporting cap is placed under the cap. Each of the projecting portions of the cap is fixed to each of the correspondent recessed portions of the diaphragm, and the claw portion of the cap is fixed to the projecting portion of the diaphragm and the third flat portion.

Abstract: A drive cone 11 and a diaphragm 14 are integrally driven by a voice coil 6 movably disposed in a magnetic gap 5. Peripheral edge portions of the drive cone 11 and the diaphragm 14 are supported by a frame 12 via different edge portions 13 and 15, respectively. The drive cone 11 is provided with a rising-up portion 11a which rises up toward an acoustic radiation direction from a inner circumferential end, and a rising-down portion 11b which rises down toward a direction reverse to the acoustic radiation direction. An inner circumferential edge of the diaphragm 14 is fixed at an annular top formed between the rising-up portion and the rising-down portion. Moreover, a first rib 11c and a second rib 11d are formed on the drive cone 11 in such a manner as to rise up toward the acoustic radiation direction integrally with the drive cone. The diaphragm 14 is supported also at the tips of the ribs.

Abstract: A voice coil 6 is movably disposed in a magnetic gap 5. A drive cone (first diaphragm) 11 and a diaphragm (second diaphragm) are integrally driven by the voice coil 6. Peripheral edge portion of the drive cone 11 and the diaphragm 14 are supported by a frame 12 through edge portions 13 and 15, respectively. An annular adhesive receiver 8 is disposed in a peripheral surface of a voice coil bobbin 7 around which the voice coil 6 is wound, and an inner peripheral edge 11a of the drive cone 11 is accommodated in the adhesive receiver 8. The drive cone 11, the adhesive receiver 8 and the voice coil bobbin 7 are connected to each other by an adhesive filled into the adhesive receiver 8.

Abstract: An outer-radial magnetic-flux applying unit of a speaker device includes an annular main unit and at least one piece of annular sub-unit stacked atop a free end of the main unit. A heat-dissipating member composed of a material having a good thermal conductivity encompasses the outer-radial magnetic-flux applying unit including the sub-unit and is thermally bonded with the outer-radial magnetic-flux applying unit.

Abstract: According to an embodiment of the invention, there is provided a speaker apparatus includes: a voice coil bobbin; and a diaphragm that is vibrated by the voice coil bobbin, the diaphragm including an edge portion at an outer circumference of the diaphragm, the edge portion including at least two ridge portions protruding forward.