摘要:
An electroacoustic transducer includes: a diaphragm; a frame that is disposed around the diaphragm so as to surround the diaphragm; an edge that closes a space between the diaphragm and the frame in a manner of forming a membrane so as to connect the diaphragm and the frame; a base body that supports the frame and has a through sound output hole in front of the diaphragm; a magnet that is attached to the frame; and a voice coil body that is attached to the diaphragm. The frame has an annular first fitting portion that is disposed around the diaphragm so as to surround the diaphragm. The base body has a second fitting portion that fits with the first fitting portion. The electroacoustic transducer further includes a sealing member that is made of a thermoplastic substance and seals a space between the first fitting portion and the second fitting portion fitted with each other.
摘要:
Provided is a display device including: a display module; a front panel enclosing edges of the display module; and an exciter mounted on a rear surface of the front panel, wherein the front panel is formed of a thickness different in a region where the exciter is mounted from remaining regions thereof.
摘要:
A speaker (100, 700, 100A, 100B) includes a magnet main body (210, 810, 210A, 210B) and a yoke (220, 230, 820, 830, 220A, 220B, 230A, 230B) magnetically linked to a first magnetic pole of the magnet main body. The speaker also includes a diaphragm (400, 400A, 400B) having a vibratory section (410, 410A, 410B), an edge section (430, 430A, 430B), and a rising section (420, 420A, 420B) between the vibratory section and the edge section. A magnetic body (300, 900, 300A, 300B) of the speaker is magnetically linked to the yoke, facing the magnet main body and a voice coil (500, 500A, 500B) is wound around the rising section of the diaphragm. The magnetic body includes an inner shell (330, 330A, 330B), an outer shell (310, 310A, 310B) and a bridge section (320, 320A, 320B) between the inner shell and the outer shell to cover the edge section of the diaphragm. The inner shell of the magnetic body extends from the bridge section along the rising section and the vibratory section of the diaphragm within the inner shell. A magnetic gap (G) is formed between the inner shell of the magnetic body and the magnet main body and the rising section passes through the magnetic gap.
摘要:
A magnet 200 having different polar surfaces respectively at the inner surface and the outer surface thereof is placed on a table 610 of an assembly jig 600 in such a way that a gap aligning section 620 of the assembly jig 600 engages the inside of the magnet 200. A diaphragm 400 provided with a voice coil 500 that is wound around the outer surface of its substantially cylindrical rising wall in advance is mounted on the assembly jig 600 such that the outer surface of the voice coil 500 engages the inner surface of the gap aligning section 620 and a pinched section 440 of the peripheral edge of the diaphragm 400 is bonded to the magnet 200. An outer shell 310 of a magnetic body 300 is made to engage an outer yoke 230 of the magnet 200 at an end thereof while the pinched section 440 is being pinched and bonded. The operation of assembling a speaker 100 is completed when the assembly jig 600 is removed. Since a magnetic body 300 covers an edge section 430 and partly found within the voice coil 500 to that the speaker 100 can be made to show a low profile with ease and the manufacturing productivity can be improved.
摘要:
The invention relates to a loudspeaker comprising a diaphragm, a loudspeaker chassis, a flexible suspension which is connected at its internal perimeter to the diaphragm and which is connected at its external perimeter to the loudspeaker chassis, wherein the flexible suspension comprises at its external perimeter a locking protrusion extending in an axial direction of the loudspeaker, and a locking element which cooperates with the locking protrusion in an assembled state of the loudspeaker in such a way that the locking element removably fixes the flexible suspension to the chassis and prevents the locking protrusion of the flexible suspension from moving in an axial and radial direction.
摘要:
A speaker (110) including: a chassis (111) internally including a magnet (11); a plate (12) attached to a top face of the magnet (11); a voice coil (15) disposed in a magnetic air gap (14) formed in an outer perimeter of the plate (12) so as to be vibratable in a vertical direction; a diaphragm (16) having a periphery (16b) that is connected to an upper end of the voice coil (15); and a suspension (17) connecting the diaphragm (16) and the chassis (111). The suspension (17) includes a first fixing part (21) fixed to the diaphragm (16) and a second fixing part (22) fixed to the chassis (111). The second fixing part (22) is positioned above the first fixing part (21), and at least one of the first fixing part (21) and the second fixing part (22) is disposed in an inner region (D1) which is a region located inward of the periphery (16b) of the diaphragm (16) as seen from above.
摘要:
A speaker apparatus includes an acoustic vibration plate, and an actuator mounted to the acoustic vibration plate such that one end and the other end thereof, in a driving axis direction, exist in a plate surface of the acoustic vibration plate. The actuator applies vibration to the acoustic vibration plate to play back sound. The speaker apparatus enables a sound image to uniformly spread over the entire plate surface of the acoustic vibration plate. In addition, the entire speaker apparatus can be made compact.