Abstract: This disclosure relates to a reproduction system, a display apparatus, and a reproduction apparatus for providing higher acoustic performance. There is provided a reproduction system including a display apparatus including a display section configured to display an image of content, and a first sound output section configured to output a sound of the content in a manner localizing a sound image on a screen of the display section, and a reproduction apparatus including a processing section configured to process an audio signal of the content, and a second sound output section configured to output the sound of the content, in which the first sound output section and the second sound output section output the sound simultaneously on the basis of an audio signal of a center channel of the content. This disclosure may be applied to an AV system formed by a television receiver and audio equipment, for example.

Abstract: The present technology relates to a sound reproducing apparatus and a sound reproducing method capable of realizing appropriate sound image localization without deteriorating sound quality. The sound reproducing apparatus includes a reflection speaker that is capable of performing directivity control and outputs a sound toward a predetermined surface on the basis of a high-band signal of a sound signal, and a plurality of low-band speakers that is disposed near the predetermined surface and each outputs a sound on the basis of a low-band signal of the sound signal. The present technology is applicable to a sound reproducing apparatus.

Abstract: A vibration system includes a vibration plate and an edge portion disposed around the vibration plate. The vibration plate has a first region and a second region that have shapes asymmetrical with each other. The vibration plate is configured such that a weight difference between the first region and the second region is equal to or smaller than a threshold value and besides stiffness at the edge portion is substantially uniform.

Abstract: A speaker apparatus includes: a magnetic circuit including an annularly formed magnet, a yoke that includes a base surface part and a center pole part protruding from the base surface part, the center pole part being disposed while being inserted into a central part of the magnet, and a plate that is annularly formed and disposed on an outer peripheral side of the center pole part of the yoke while being attached to the magnet; a coil bobbin that is cylindrically formed and is displaceable in an axial direction of the center pole part while a part thereof is fitted onto the center pole part of the yoke; a voice coil that is wound around an outer peripheral surface of the coil bobbin, at least a part thereof being disposed in a magnetic gap formed between the plate and the center pole part of the yoke; and a diaphragm that is connected to the coil bobbin and is caused to vibrate in conjunction with displacement of the coil bobbin, in which a first air passage path and a second air passage path are formed, the

Abstract: A speaker apparatus includes: a magnetic circuit including an annularly formed magnet, a yoke that includes a base surface part and a center pole part protruding from the base surface part, the center pole part being disposed while being inserted into a central part of the magnet, and a plate that is annularly formed and disposed on an outer peripheral side of the center pole part of the yoke while being attached to the magnet; a coil bobbin that is cylindrically formed and is displaceable in an axial direction of the center pole part while a part thereof is fitted onto the center pole part of the yoke; a voice coil that is wound around an outer peripheral surface of the coil bobbin, at least a part thereof being disposed in a magnetic gap formed between the plate and the center pole part of the yoke; and a diaphragm that is connected to the coil bobbin and is caused to vibrate in conjunction with displacement of the coil bobbin, in which a first air passage path and a second air passage path are formed, the

Abstract: A vibration system includes a vibration plate and an edge portion disposed around the vibration plate. The vibration plate has a first region and a second region that have shapes asymmetrical with each other. The vibration plate is configured such that a weight difference between the first region and the second region is equal to or smaller than a threshold value and besides stiffness at the edge portion is substantially uniform.

Abstract: To reduce the driving loss in the diaphragm, and to ensure a good sound output in the wide bandwidth. It includes a circular coil bobbin at least partly disposed between a yoke and a magnet, a coil wound around the coil bobbin, the coil being configured to be moved with the coil bobbin where a driving current is supplied to the coil, a piezoelectric element having one end coupled to one end of the coil bobbin in a movement direction, the piezoelectric element being configured to be expanded and contracted and moved in a direction same as the movement direction where an electric current is supplied to the piezoelectric element, and a diaphragm having an inner circumference part coupled to another end of the piezoelectric element, and a coupled part of the diaphragm to the piezoelectric element and a coupled part of the piezoelectric element to the coil bobbin are positioned on a straight line in the movement direction.

Abstract: Acoustic conversion efficiency is improved and a stable signal reproduction operation is ensured. Provided is a speaker device including: a magnet; a yoke attached to the magnet and at least one sub-plate that is separated from the main plate in an axial direction of the central axis; a coil bobbin formed in a tubular shape and changeable in the axial direction; a voice coil wound around an outer circumferential surface of the coil bobbin, at least a portion of the voice coil being disposed in a main magnetic gap formed between the main plate and the yoke; a vibration plate having an inner circumferential portion connected to the coil bobbin; and a magnetic fluid filling at least one sub-magnetic gap formed between the sub-plate and the yoke, wherein a through-hole positioned in the sub-magnetic gap filled with the magnetic fluid is formed in the coil bobbin.

Abstract: Acoustic conversion efficiency is improved and a stable signal reproduction operation is ensured. Provided is a speaker device including: a magnet; a yoke attached to the magnet and at least one sub-plate that is separated from the main plate in an axial direction of the central axis; a coil bobbin formed in a tubular shape and changeable in the axial direction; a voice coil wound around an outer circumferential surface of the coil bobbin, at least a portion of the voice coil being disposed in a main magnetic gap formed between the main plate and the yoke; a vibration plate having an inner circumferential portion connected to the coil bobbin; and a magnetic fluid filling at least one sub-magnetic gap formed between the sub-plate and the yoke, wherein a through-hole positioned in the sub-magnetic gap filled with the magnetic fluid is formed in the coil bobbin.

Abstract: To reduce the driving loss in the diaphragm, and to ensure a good sound output in the wide bandwidth. It includes a circular coil bobbin at least partly disposed between a yoke and a magnet, a coil wound around the coil bobbin, the coil being configured to be moved with the coil bobbin where a driving current is supplied to the coil, a piezoelectric element having one end coupled to one end of the coil bobbin in a movement direction, the piezoelectric element being configured to be expanded and contracted and moved in a direction same as the movement direction where an electric current is supplied to the piezoelectric element, and a diaphragm having an inner circumference part coupled to another end of the piezoelectric element, and a coupled part of the diaphragm to the piezoelectric element and a coupled part of the piezoelectric element to the coil bobbin are positioned on a straight line in the movement direction.

Abstract: Acoustic conversion efficiency is improved and a stable signal reproduction operation is ensured. Provided is a speaker device including: a magnet a yoke attached to the magnet and, at least one sub-plate that is separated from the main plate in an axial direction of the central axis; a coil bobbin formed in a tubular shape and changeable in the axial direction; a voice coil wound around an outer circumferential surface of the coil bobbin, at least a portion of the voice coil being disposed in a main magnetic gap formed between the main plate and the yoke; a vibration plate having an inner circumferential portion connected to the coil bobbin; and a magnetic fluid filling at least one sub-magnetic gap formed between the sub-plate and the yoke, wherein a through-hole positioned in the sub-magnetic gap filled with the magnetic fluid is formed in the coil bobbin.

Abstract: A speaker device including a magnet formed in a ring shape; a yoke having a center pole portion inserted in the center of the magnet; a plate formed in a ring shape and arranged on an outer circumferential surface of the center pole portion of the yoke while being attached to the magnet; a coil bobbin formed in a cylindrical shape and movable in the axial direction of the center pole portion while being partially fitted on the center pole portion of the yoke; a voice coil wrapped around the outer circumferential surface of the coil bobbin, at least part of the voice coil being arranged in a magnetic gap formed between the plate and the center pole portion of the yoke; a diaphragm having its inner circumferential portion connected to the coil bobbin; and a magnetic fluid filled in the magnetic gap.

Abstract: A speaker device including a magnet formed in a ring shape; a yoke having a center pole portion inserted in the center of the magnet; a plate formed in a ring shape and arranged on the outer circumferential surface of the center pole portion of the yoke while being attached to the magnet; a coil bobbin formed in a cylindrical shape and movable in the axial direction of the center pole portion while being partially fitted on the center pole portion of the yoke; a voice coil wrapped around the outer circumferential surface of the coil bobbin, at least part of the voice coil being arranged in a magnetic gap formed between the plate and the center pole portion of the yoke; a diaphragm having its inner circumferential portion connected to the coil bobbin, the diaphragm being vibrated as the coil bobbin moves; and a magnetic fluid filled in the magnetic gap.

Abstract: A speaker includes a ring-shaped magnet, a yoke having a center pole portion inserted in the center of the magnet, and a ring-shaped plate and arranged on the outer circumferential surface of the center pole portion of the yoke and attached to the magnet. The speaker includes a cylindrically-shaped coil bobbin that is movable in the axial direction of the center pole portion and partially fitted on the center pole portion of the yoke. The speaker includes a voice coil wrapped around the outer circumferential surface of the coil bobbin, part of the voice coil being arranged in a magnetic gap, which is filled with a magnetic fluid, formed between the plate and the center pole portion of the yoke. The speaker includes a diaphragm having its inner circumferential portion connected to the coil bobbin, and that is vibrated as the coil bobbin moves.

Abstract: A speaker mounting member for a display apparatus including: one or plurality of mounting plates configured to be laid on a back surface of a display apparatus; a linking member configured to be crosswise linked to the mounting plate at a predetermined position in a first direction along a longitudinal direction of the mounting plate; a movable member configured to be linked to the linking member movably along a second direction perpendicular to the first direction; and a speaker mounting panel configured to be attached to the movable member and to be able to mount a speaker.

Abstract: A speaker includes a ring-shaped magnet, a yoke having a center pole portion inserted in the center of the magnet, and a ring-shaped plate and arranged on the outer circumferential surface of the center pole portion of the yoke and attached to the magnet. The speaker includes a cylindrically-shaped coil bobbin that is movable in the axial direction of the center pole portion and partially fitted on the center pole portion of the yoke. The speaker includes a voice coil wrapped around the outer circumferential surface of the coil bobbin, part of the voice coil being arranged in a magnetic gap, which is filled with a magnetic fluid, formed between the plate and the center pole portion of the yoke. The speaker includes a diaphragm having its inner circumferential portion connected to the coil bobbin, and that is vibrated as the coil bobbin moves.

Abstract: To propose a speaker unit and a speaker apparatus enabling to improve the strength of a voice coil bobbin and sound output in high quality with a simple structure, there are provided that a magnetic circuit forming a magnetic gap in slit form, a frame for storing and holding the magnetic circuit, a diaphragm attached to be vibratable to the frame, a flat-type voice coil bobbin disposed so as to pass through the almost center of the magnetic gap, in that its one end is combined with the diaphragm, a voice coil is adhered to its surface, and convex and concave parts for improving the strength of the diaphragm in the vibrating direction are formed on the surface, and a damper attached to the frame to support the other end of the flat-type voice coil bobbin.

Abstract: A speaker diaphragm includes a thermoplastic resin having a three-layer structure. The three-layer structure includes a polyester film as a base material of the three-layer structure, a polyimide-based resin layer as a top layer of the three-layer structure, and another polyimide-based resin layer as a bottom layer of the three-layer structure.

Abstract: A speaker includes a magnetic circuit forming a slit-like magnetic gap, a frame that houses and holds the magnetic circuit, a diaphragm attached to the frame so as to be capable of vibrating, a voice coil unit that is placed so as to pass through substantially the center of the magnetic gap, and has its one end coupled to the diaphragm, and a damper attached to the frame to support the other end of the voice coil unit. The voice coil unit has a planar-type coil bobbin section, and a voice coil section having a coil member wound in a planar track shape and disposed so as to extend through the coil bobbin section from one side to the other side and from the other side to the one side.

Abstract: A loudspeaker damper including: an outer damper; and an inner damper; wherein the outer damper and the inner damper configured to damp a vibrating portion relative to a fixed portion of a loudspeaker, wherein the outer damper supports the outer periphery of a voice coil of the vibrating portion, and supports the outer periphery of the voice coil relative to the fixed portion, wherein the inner damper supports the inner periphery of the voice coil, and supports the inner periphery of the voice coil relative to the fixed portion.