WO2019215804A1 - スピーカー装置 - Google Patents
スピーカー装置 Download PDFInfo
- Publication number
- WO2019215804A1 WO2019215804A1 PCT/JP2018/017715 JP2018017715W WO2019215804A1 WO 2019215804 A1 WO2019215804 A1 WO 2019215804A1 JP 2018017715 W JP2018017715 W JP 2018017715W WO 2019215804 A1 WO2019215804 A1 WO 2019215804A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vibration device
- vibration
- diaphragm
- frame
- drive shaft
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/066—Loudspeakers using the principle of inertia
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
- H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
Definitions
- the present invention relates to a speaker device.
- Patent Document 1 discloses a speaker device.
- This speaker device is provided with an amplifying means provided so as to cover the driving member at the other end of a cylindrical driving member having one end provided on a cap made of an elastic material for protecting the voice coil of the actuator, and the amplifying means.
- the end part of the voice coil and the end part of the drive member are arranged to face each other with a cap interposed therebetween.
- Patent Document 1 since the speaker device disclosed in Patent Document 1 is connected to the radiation plate and generates vibration, no measures are taken to prevent movement other than the operation direction of the drive shaft connected to the radiation plate. When trying to obtain a sound volume, there is a problem that movement other than the operation direction of the drive shaft occurs and the sound transmission efficiency tends to decrease.
- the speaker device of the present invention is a speaker device in which a vibration device is brought into contact with one plane side of the diaphragm, and the vibration transmitted from the vibration device is radiated as sound from the vibration plate.
- the frame body is provided with a gap between the outer periphery of the vibration device and the elastic body straddling the frame body and the vibration device.
- the frame is fixed to the vibration device, and the frame, the vibration device, and the elastic body are integrated.
- the whole surface of the vibration device and the diaphragm on the opposite side of the flat surface of the diaphragm are fixed to the elastic body.
- the outer peripheral shape of the vibration device is substantially columnar
- the inner peripheral shape of the frame on the vibration device side is a substantially cylindrical shape facing the outer periphery shape of the vibration device
- the drive shaft of the vibration device is A radial gap provided between the inner periphery of the frame and the outer periphery of the vibration device is provided in the center of the vibration device and is constant over the entire circumferential direction.
- an end portion of the drive shaft is in contact with the plane side of the vibration plate so that an urging force is generated in an axial direction of the drive shaft of the vibration device when the vibration device is operated. It is characterized by.
- the speaker device includes another vibration member in contact with the diaphragm.
- a speaker device is a device in which a vibration device is brought into contact with one plane side of a vibration plate and radiates vibration transmitted from the vibration device as sound from the vibration plate, the vibration plate, the vibration device,
- the frame includes a frame provided on the diaphragm so as to surround the vibration device, and an elastic body provided on the plane side of the vibration plate across the frame and the vibration device.
- the elastic body is fixed to the frame body and the vibration device across the frame body and the vibration device, and the frame body, the vibration device and the elastic body are integrated. Therefore, in the elastic body, an operation that follows the operation in the drive shaft direction of the vibration device occurs when the vibration device is operated, and this elastic body moves the vibration device in the direction in which the vibration device and the frame are arranged side by side.
- an urging force in the drive shaft direction of the vibration device is applied to the vibration device To.
- the vibration generated from the vibration device is efficiently transmitted to the diaphragm in contact with the vibration device, the sound volume is ensured, and a clear sound with a wide sound range can be produced.
- the elastic body of the vibration device in the juxtaposition direction of the vibration device and the frame body The movement can be further prevented, and the biasing force in the drive shaft direction of the vibration device can be applied to the vibration device without waste.
- the outer peripheral shape of the vibration device is a substantially columnar shape
- the inner peripheral shape of the frame on the vibration device side is a substantially cylindrical shape facing the outer periphery shape of the vibration device
- the drive shaft of the vibration device is the vibration device.
- the vibration device has a configuration in which the end of the drive shaft is in contact with the plane side of the vibration plate so that an urging force is generated in the axial direction of the drive shaft when the vibration device is operated,
- the end of the abutting drive shaft does not float, and the vibration generated by the vibration device is continuously transmitted to the diaphragm. Moreover, it becomes a point sound source at the contact point of the contact portion of the end portion of the drive shaft, and the vibration generated by the vibration device is concentrated and becomes a strong vibration.
- the sound volume is secured from the other vibration member such as the second vibration plate, the wall, the ceiling, the floor, or furniture. Can produce a clear sound of a wide range.
- FIG. 1st Example of the speaker apparatus of this invention It is a perspective view which shows 1st Example of the speaker apparatus of this invention. It is a top view of the speaker apparatus of FIG. It is sectional drawing of the speaker apparatus of FIG. It is a top view which shows 2nd Example of the speaker apparatus of this invention. It is sectional drawing of the speaker apparatus of FIG. It is a top view which shows 3rd Example of the speaker apparatus of this invention. It is sectional drawing of the speaker apparatus of FIG.
- the speaker device 1 is a device in which the vibration device 3 is brought into contact with one plane side of the diaphragm 2 and the vibration transmitted from the vibration device 3 is emitted from the diaphragm 2 as sound.
- the speaker device 1 includes a vibration plate 2, a vibration device 3, a frame body 4 provided on the vibration plate 2 so as to surround the vibration device 3, and the plane of the vibration plate 2 sandwiching the frame body 4 and the vibration device 3. And an elastic body 5 provided facing the side.
- the frame body 4 is provided with a gap 32 between the outer periphery of the vibration device 3.
- the elastic body 5 is fixed to the frame body 4 and the vibration device 3 across the frame body 4 and the vibration device 3. Thereby, the frame body 4, the vibration apparatus 3, and the elastic body 5 are integrated.
- the vibration device 3 has a drive shaft 31, and this end is in contact with the diaphragm 2.
- the drive shaft 31 is fixed to the vibration device 3 and integrated with the vibration device 3.
- one vibration device 3 is provided for the diaphragm 2, but the present invention is not limited to this, and a plurality of vibration devices 3 may be provided.
- the diaphragm 2 is in contact with a substantially cylindrical drive shaft 31 provided in the vicinity of the center axis of vibration of the vibration device 3.
- the axial direction of the drive shaft 31 is a direction along the Z direction in the figure, and the end of the drive shaft 31 is in contact with the plane (XY plane) of the diaphragm 2 substantially perpendicularly.
- the vibration generated by the vibration device 3 is designed to concentrate on the portion of the diaphragm 2 where the drive shaft 31 contacts. Therefore, the vibration device 3 can efficiently transmit vibration to the diaphragm 2 even if it is weak vibration.
- the diaphragm 2 includes a frame body 4 disposed so as to surround the vibration device 3, and the vibration device 3 on the side opposite to the drive shaft 31 that is in contact with the vibration plate 2 of the vibration device 3.
- the surface is connected to the frame body 4 via the elastic body 5.
- the elastic body 5 operates so as to follow the operation of the drive shaft 31, and the diaphragm 2, the frame body 4, the vibration device 3, and the elastic body 5 are integrated. In this case, the vibration generated from the vibration device 3 can be continuously and efficiently transmitted to the diaphragm, the sound volume is ensured, and a clear sound with a wide sound range can be produced.
- the vibration device 3 has a contact portion of the drive shaft 31 that is in contact with the vibration plate 2 when the vibration device 3 operates.
- an operation such as a pendulum occurs as a fulcrum and hinders the operation of the drive shaft 31 on the drive shaft in the Z direction.
- the vibration generated from the vibration device 3 cannot be continuously and efficiently transmitted to the diaphragm.
- the drive shaft 31 of the vibration device 3 can obtain the same effect by providing the elastic body 5 regardless of whether the portion in contact with the vibration plate 2 is fixed or is not fixed and is left stationary. .
- the elastic body 5 includes a frame body 4 provided on the diaphragm 2, a gap 32 arranged uniformly on the outer periphery of the vibration device 3, and the vibration device 3.
- the vibration device 3 on the side facing the diaphragm 2 with the frame body 4 interposed therebetween and the entire surface of the frame body 4 in the X direction and the Y direction are provided so as to cover.
- the outer peripheral shape of the vibration device 3 is a substantially cylindrical shape
- the inner peripheral shape of the frame 4 on the vibration device 3 side is a substantially cylindrical shape facing the outer peripheral shape of the vibration device 3.
- the drive shaft 31 is provided at the center of the vibration device 3, and the radial gap 32 between the inner periphery of the frame 4 and the outer periphery of the vibration device 3 is constant throughout the circumferential direction.
- the entire surface (the entire surface in the X direction and the Y direction) of the vibration device 3 and the frame 4 on the opposite side of the vibration plate 2 on the plane side (the side on which the vibration device abuts) is fixed to the elastic body 5.
- the frame body 4 and the vibration device 3 are connected to the elastic body 5 in a state where there is no internal stress (tension or deflection).
- the fixing method is not particularly limited, and any method such as adhesion by application of an adhesive, adhesion by a double-sided tape, and fusion adhesion between members can be adopted.
- the elastic body 5 is formed on the entire surface (the entire surface in the X direction and the Y direction) of the vibration device 3 and the frame body 4 on the flat side of the diaphragm 2 with a uniform adhesive force using an adhesive or a double-sided tape. It is preferable to adhere to.
- the urging force described later by the elastic body may not be sufficiently obtained, or the urging force may be distorted (X direction or Y direction).
- a double-sided tape or the like is adhered to the entire surface of the elastic body 5 so that the adhesive or the like is exposed as it is in the portion of the elastic body 5 that covers the gap 32. It becomes a state. Small dust mixed in the space surrounded by the diaphragm 2, the frame body 4, and the elastic body 5 is adsorbed to this portion, and adverse effects on sound can be reduced.
- the elastic body 5 When the elastic body 5 is provided as in the above configuration, when the vibration device 3 does not operate, no stress acting as an urging force acts in any of the X direction, the Y direction, and the Z direction of the elastic body 5 and the vibration device 3. Is stable.
- the vibration device 3 When the vibration device 3 is operated, the elastic body 5 is operated in the X direction, the Y direction, and the Z direction to generate internal stress, and the vibration device 3 operates in the X direction and the Y direction due to tension and deflection in the gap 32.
- the following actions work simultaneously.
- the internal stress generated in the elastic body 5 is relieved at the gap 32, and the movement of the vibration device 3 in the direction in which the vibration device 3 and the frame 4 are arranged side by side (X direction and Y direction) is prevented and stabilized.
- the elastic body 5 since the elastic body 5 operates following the operation of the drive shaft 31 of the vibration generated in the vibration device 3 in the Z direction (FIGS. 1 to 3), internal stress is generated in the elastic body 5. Since the elastic body 5 is fixed to the frame body 4 and the vibration device 3 by the entire surface adhesion with a uniform adhesive force, a repulsive force against the internal stress is generated, and this repulsive force becomes a biasing force to the vibration device 3. .
- the elastic body 5 undergoes an operation following the operation of the drive shaft 31 of the vibration device 3 in the Z direction when the vibration device 3 is operated.
- the repulsive force generated in the Z direction (FIGS. 1 to 3) of the internal stress acts as a biasing force applied to the vibration device 3.
- the urging force is a force in the Z direction that is the vibration direction of the drive shaft 31 without any deviation in the X direction or the Y direction.
- the vibration generated in the vibration device 3 can be efficiently transmitted to the diaphragm 2, the sound volume is ensured, and a clear sound with a wide sound range can be produced.
- a clear sound with a wide sound range can be produced even when the vibration of the vibration device is weak vibration.
- the elastic body 5 is particularly limited as long as it can inhibit the movement of the vibration device 3 in the direction in which the vibration device 3 and the frame body 4 are arranged side by side and follow the vibration operation of the drive shaft 31 of the vibration device 3.
- the frame 4 is made of a sheet of rubber having a thickness of about 1 mm to 10 mm, preferably a foamed natural rubber adjusted to a thickness of 3 mm. What was processed into the shape according to the external shape of is good. Further, it can be formed using a material having a similar function.
- the frame 4 is preferably made of a material used for the diaphragm 2. As the shape, those illustrated in FIGS. 1 to 3 are preferable. That is, the elastic body 5 at the time of standing is a flat sheet shape parallel to the diaphragm 2, and the fixing surface of the elastic body 5 to the frame body 4 and the vibration device 3 is a plane parallel to the diaphragm 2. Specifically, the dimension of the frame 4 in the Z direction is such that the surface opposite to the surface on which the drive shaft 31 of the vibration device 3 provided when the vibration device 3 is placed on the vibration plate 2 is provided is the vibration plate.
- the planar shape of the frame body 4 is preferably formed in a square shape having a dimension that is approximately twice as large as the planar dimension of the vibration device 3.
- the diaphragm 2 may be a member that transmits vibration from the vibration device 3 and radiates as sound.
- a hard plate material flat plate shape
- the plate material of the hard plate material include wood, woody material, bamboo, gypsum board, metal, glass, and hard plastic.
- the diaphragm 2 is preferably made of wood such as building materials discarded from the building.
- the diaphragm 2 is formed of, for example, a hard plate material (wood).
- Hard wood is wood that has been sufficiently dried, and has reached an equilibrium state at a certain moisture content according to the temperature and humidity of the atmosphere, and the cells of the wood contract by sufficient drying.
- the wood is sufficiently dried to become old wood during the period in which it was used as a building.
- the wood is oxidized and the old wood becomes hard wood.
- the diaphragm 2 formed using such wood is likely to be a point sound source at the contact point of the contact portion of the drive shaft 31 of the vibration device 3 and receives the vibration generated by the vibration device 3 in a concentrated manner. The vibration is smoothly transmitted to the entire diaphragm 2.
- the diaphragm 2 is formed as a mesh using conifers having an air-dry specific gravity of about 0.3 to 0.65.
- the vibration is transmitted by the fiber of the annual ring, and is amplified and radiated as sound throughout the diaphragm 2, so that a high sound is likely to be emitted from a hard portion of the winter that has a small amount of growth, and soft summer that has a large amount of growth. Low frequencies are likely to be emitted from the part, and vibrations that are a mixture of high and low frequencies are likely to occur. Further, such a wood diaphragm 2 has an appropriate viscosity, and the surface coefficient of restitution is lower than that made of metal or hard plastic.
- the vibration device can be used as an amplifying device, and can be used as a speaker device in contact with another larger vibration member (second diaphragm, wall, ceiling, floor, furniture, or the like).
- the vibration member as described above When the vibration member as described above is included, the whole including the vibration member becomes the speaker device of the present invention.
- the sound generated from the vibration device 3 by bone conduction is transmitted to the vibration member in contact with the vibration plate 2.
- the material of the vibration member is not limited to a hard plate material, and a flexible material can be used.
- it is woven fabric, paper, plastic sheet, wallpaper, cloth, etc., and the shape can be a curtain shape or a curtain shape.
- the diaphragm 2 according to the present invention may also be a member made of such a flexible material as long as the vibration from the vibration device 3 is transmitted and radiated as sound.
- FIGS. 4 to 5 are views showing a second embodiment of the speaker device of the present invention.
- This speaker device is an example in which the vibration device 3 is placed on the diaphragm 2 by increasing the area where the end of the drive shaft 31 abuts the diaphragm 2.
- the drive shaft 31 has a structure in which a disc-shaped flange is provided at one end of a substantially cylindrical main body. This flange is the end of the drive shaft 31, and the disk plane of the flange is in contact with the diaphragm 2.
- the configuration other than the drive shaft 31 is the same as that of the embodiment shown in FIGS.
- the diaphragm 2 is formed with a recess corresponding to the end portion of the drive shaft 31, and the end portion of the drive shaft 31 is fitted thereto. Also good. This facilitates positioning during assembly and improves workability.
- FIGS. 6 to 7 are views showing a third embodiment of the speaker device of the present invention.
- This speaker device is an example in which the vibration device 3 is fixed to the diaphragm 2 by increasing the area where the end of the drive shaft 31 abuts the diaphragm 2 and the auxiliary member 41 is provided on the frame body 4.
- the auxiliary member 41 the surface of the frame 4 opposite to the surface on which the drive shaft 31 of the vibration device 3 obtained when the vibration device 3 is placed on the vibration plate 2 is parallel to the vibration plate 2.
- It is a member that allows the dimensions to be easily adjusted so as to be flush with the surface opposite to the surface on the diaphragm 2 side of the frame 4.
- the configuration other than the drive shaft 31, the frame body 4, and the auxiliary member 41 is the same as that of the embodiment shown in FIGS.
- the detailed configuration of the drive shaft 31 is the same as that of the embodiment shown in FIGS.
- the speaker device of the present invention can efficiently transmit the vibration generated from the vibration device to the diaphragm, and the sound volume is ensured and a clear sound with a wide sound range can be produced. It can be widely used as a speaker device in various applications.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Description
図1及至図3は、本発明のスピーカー装置の第1実施例を示す図である。
スピーカー装置1は、振動板2の一方の平面側に振動装置3が当接され、振動装置3から伝達された振動を振動板2から音として放射する装置である。スピーカー装置1は、振動板2と、振動装置3と、振動装置3を取り囲むように振動板2に設けられた枠体4と、枠体4と振動装置3を挟んで振動板2の上記平面側に対向して設けられた弾性体5とを備えている。枠体4は、振動装置3の外周との間に隙間32を有して設けられている。弾性体5は、枠体4と振動装置3に跨って、枠体4と振動装置3に固着されている。これにより、枠体4と振動装置3と弾性体5とが一体化されている。振動装置3は、駆動軸31を有し、この端部が振動板2に当接されている。駆動軸31は、振動装置3に固定され、振動装置3と一体化されている。この形態では、振動板2に対して振動装置3が1つ設けられているが、これに限定されず、複数の振動装置3を設けることも可能である。
このスピーカー装置は、駆動軸31の端部が振動板2に当接する面積を大きくして振動装置3を振動板2に静置した例である。駆動軸31は、略円柱状の本体の一端に円板状の鍔部が設けられた構造である。この鍔部が駆動軸31の端部であり、該鍔部の円板平面が振動板2に当接している。駆動軸31以外の構成は、図1及至図3の実施形態と同様である。また、第1実施例および第2実施例のいずれの場合においても、振動板2において、駆動軸31の端部に対応する凹部を形成し、これに駆動軸31の端部を嵌合させてもよい。これにより組み立て時の位置決めが容易となり、作業性が向上する。
このスピーカー装置は、駆動軸31の端部が振動板2に当接する面積を大きくして振動装置3を振動板2に固定し、かつ、枠体4に補助部材41を設けた例である。補助部材41は、枠体4において、振動装置3を振動板2に静置させた時に得られる振動装置3の駆動軸31が設けられた面と反対側の面が、振動板2に平行し、枠体4の振動板2の側の面と反対側の面と同一面になるように簡易に寸法が調整できるようにする部材である。駆動軸31と枠体4と補助部材41以外の構成は、図1及至図3の実施形態と同様である。また、駆動軸31の詳細構成は、図4及至図5の実施形態と同様である。
2 振動板
3 振動装置
4 枠体
5 弾性体
31 駆動軸
32 隙間
41 補助部材
Claims (6)
- 振動板の一方の平面側に振動装置が当接され、該振動装置から伝達された振動を前記振動板から音として放射するスピーカー装置であって、
該スピーカー装置は、前記振動板と、前記振動装置と、前記振動装置を囲むように前記振動板に設けられた枠体と、前記枠体と前記振動装置を挟んで前記振動板の前記平面側に対向して設けられた弾性体とを備えてなり、
前記枠体は、前記振動装置の外周との間に隙間を有して設けられ、
前記弾性体は、前記枠体と前記振動装置に跨って、該枠体と該振動装置に固着されており、
前記枠体と前記振動装置と前記弾性体とが一体化されていることを特徴とするスピーカー装置。 - 前記振動装置および前記枠体における前記振動板の前記平面側の対向側の面全体が、前記弾性体に固着されていることを特徴とする請求項1記載のスピーカー装置。
- 前記振動装置の外周形状が、略円柱状であり、
前記枠体の前記振動装置側の内周形状が、前記振動装置の外周形状に対向する略円筒状であり、
前記振動装置の駆動軸が該振動装置の中央に設けられ、前記枠体の内周と前記振動装置の外周との間の径方向隙間が、周方向全域で一定であることを特徴とする請求項1記載のスピーカー装置。 - 前記振動装置は、該振動装置の作動時に該振動装置の駆動軸の軸方向に付勢力が発生するように、該駆動軸の端部が前記振動板の前記平面側に当接されていることを特徴とする請求項1記載のスピーカー装置。
- 前記スピーカー装置は、前記振動板に当接される他の振動部材を備えることを特徴とする請求項1記載のスピーカー装置。
- 前記振動装置および前記枠体における前記振動板の前記平面側の対向側の面全体が、前記弾性体に接着固定されており、
前記振動装置の外周形状が、略円柱状であり、
前記枠体の前記振動装置側の内周形状が、前記振動装置の外周形状に対向する略円筒状であり、
前記振動装置の駆動軸が該振動装置の中央に設けられ、前記枠体の内周と前記振動装置の外周との間の径方向隙間が、周方向全域で一定であり、
前記振動装置は、該振動装置の作動時に該振動装置の駆動軸の軸方向に付勢力が発生するように、該駆動軸の端部が前記振動板の前記平面側に当接されていることを特徴とする請求項1記載のスピーカー装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/607,047 US20210409868A1 (en) | 2018-05-08 | 2018-05-08 | Speaker device |
CA3092612A CA3092612C (en) | 2018-05-08 | 2018-05-08 | Speaker device |
EP18915783.7A EP3606087A4 (en) | 2018-05-08 | 2018-05-08 | SPEAKER DEVICE |
PCT/JP2018/017715 WO2019215804A1 (ja) | 2018-05-08 | 2018-05-08 | スピーカー装置 |
CN201880091378.3A CN111869230A (zh) | 2018-05-08 | 2018-05-08 | 扬声器装置 |
JP2019537861A JP6630894B1 (ja) | 2018-05-08 | 2018-05-08 | スピーカー装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/017715 WO2019215804A1 (ja) | 2018-05-08 | 2018-05-08 | スピーカー装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019215804A1 true WO2019215804A1 (ja) | 2019-11-14 |
Family
ID=68467344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2018/017715 WO2019215804A1 (ja) | 2018-05-08 | 2018-05-08 | スピーカー装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210409868A1 (ja) |
EP (1) | EP3606087A4 (ja) |
JP (1) | JP6630894B1 (ja) |
CN (1) | CN111869230A (ja) |
CA (1) | CA3092612C (ja) |
WO (1) | WO2019215804A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7269135B2 (ja) * | 2019-08-29 | 2023-05-08 | フォルシアクラリオン・エレクトロニクス株式会社 | 振動出力装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007318623A (ja) * | 2006-05-29 | 2007-12-06 | Matsushita Electric Ind Co Ltd | 音響加振器およびこれを用いたスピーカ |
JP2011109404A (ja) * | 2009-11-17 | 2011-06-02 | Daiwa House Industry Co Ltd | 建築用面板を利用したスピーカー |
JP2015156605A (ja) | 2014-02-21 | 2015-08-27 | 金平 横濱 | スピーカー装置 |
JP2015198346A (ja) * | 2014-04-01 | 2015-11-09 | 金平 横濱 | スピーカー |
JP2016058936A (ja) * | 2014-09-11 | 2016-04-21 | 金平 横濱 | スピーカー装置 |
JP2018078410A (ja) * | 2016-11-08 | 2018-05-17 | 株式会社山の加工場ネットワーク | スピーカー装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004064726A (ja) * | 2002-06-05 | 2004-02-26 | Sanken Kogyo Kk | 薄型フラットスピーカー装置 |
US8325968B2 (en) * | 2009-12-21 | 2012-12-04 | Aac Acoustic Technologies (Shenzhen) Co., Ltd. | Speaker |
CN109905816B (zh) * | 2014-01-22 | 2021-01-26 | 宁波升亚电子有限公司 | 一种无弹波扬声器及其制造方法 |
-
2018
- 2018-05-08 CA CA3092612A patent/CA3092612C/en active Active
- 2018-05-08 CN CN201880091378.3A patent/CN111869230A/zh active Pending
- 2018-05-08 JP JP2019537861A patent/JP6630894B1/ja active Active
- 2018-05-08 EP EP18915783.7A patent/EP3606087A4/en active Pending
- 2018-05-08 WO PCT/JP2018/017715 patent/WO2019215804A1/ja unknown
- 2018-05-08 US US16/607,047 patent/US20210409868A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007318623A (ja) * | 2006-05-29 | 2007-12-06 | Matsushita Electric Ind Co Ltd | 音響加振器およびこれを用いたスピーカ |
JP2011109404A (ja) * | 2009-11-17 | 2011-06-02 | Daiwa House Industry Co Ltd | 建築用面板を利用したスピーカー |
JP2015156605A (ja) | 2014-02-21 | 2015-08-27 | 金平 横濱 | スピーカー装置 |
JP2015198346A (ja) * | 2014-04-01 | 2015-11-09 | 金平 横濱 | スピーカー |
JP2016058936A (ja) * | 2014-09-11 | 2016-04-21 | 金平 横濱 | スピーカー装置 |
JP2018078410A (ja) * | 2016-11-08 | 2018-05-17 | 株式会社山の加工場ネットワーク | スピーカー装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3606087A4 |
Also Published As
Publication number | Publication date |
---|---|
US20210409868A1 (en) | 2021-12-30 |
JP6630894B1 (ja) | 2020-01-15 |
JPWO2019215804A1 (ja) | 2020-05-28 |
EP3606087A1 (en) | 2020-02-05 |
CA3092612A1 (en) | 2019-11-14 |
EP3606087A4 (en) | 2020-11-04 |
CA3092612C (en) | 2023-02-14 |
CN111869230A (zh) | 2020-10-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20140270279A1 (en) | Acoustic transducers with releasable diaphram | |
AU745676B2 (en) | Linear loudspeaker | |
KR20070015126A (ko) | 골전도 디바이스 | |
WO2019215804A1 (ja) | スピーカー装置 | |
TWI527471B (zh) | 壓電電聲換能器 | |
JP4631653B2 (ja) | 木質パネル | |
JP2016058936A (ja) | スピーカー装置 | |
JP2018078410A (ja) | スピーカー装置 | |
US11245988B2 (en) | Mobile terminal | |
JP2019221003A (ja) | スピーカー装置 | |
US20070058827A1 (en) | Loudspeaker | |
US6453049B1 (en) | Acoustic diaphragm | |
JP2006332861A (ja) | スピーカ装置、スピーカ付き作業口蓋及びスピーカ付き壁パネル | |
JP2009198901A (ja) | 吸音構造、吸音構造群、音響室、吸音構造の調整方法及び騒音低減方法 | |
JP6810436B1 (ja) | スピーカー装置 | |
JP4688687B2 (ja) | 圧電振動ユニット及びパネルスピーカ | |
JP2021078100A (ja) | スピーカー装置 | |
JPH10164681A (ja) | 制振板、この制振板を用いた制振装置、この制振装置を用いたスピーカキャビネットおよびオルゴール | |
JPH0141278Y2 (ja) | ||
JPH04166586A (ja) | 遮音窓 | |
JP2001062396A (ja) | 振動アクチュエータ | |
WO2011118722A1 (ja) | 振動ユニットと振動板との間にカップ形状の振動伝達部材を有するスピーカ | |
JPH09325256A (ja) | レンズ鏡筒へのレンズ駆動モータの取付構造 | |
JPS61208399A (ja) | 圧電スピ−カ | |
JPH0623116Y2 (ja) | 薄形スピーカ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2019537861 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2018915783 Country of ref document: EP Effective date: 20191029 |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18915783 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 3092612 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |