JP2000069581A - Speaker device - Google Patents
Speaker deviceInfo
- Publication number
- JP2000069581A JP2000069581A JP10230815A JP23081598A JP2000069581A JP 2000069581 A JP2000069581 A JP 2000069581A JP 10230815 A JP10230815 A JP 10230815A JP 23081598 A JP23081598 A JP 23081598A JP 2000069581 A JP2000069581 A JP 2000069581A
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- speaker box
- duct
- baffle board
- speaker device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はスピーカ装置に係わ
り、特に定在波の立たない小型軽量な薄型のスピーカ装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loudspeaker device, and more particularly to a small, lightweight and thin loudspeaker device in which standing waves do not occur.
【０００２】[0002]
【従来の技術】従来からスピーカ装置の低域再生限界を
伸ばすための有効な手段として例えば、スピーカを設け
たバッフル板に開口及びダクトを設け、スピーカの振動
板の背面から出た音の位相を反転して、ダクトを介して
開口から外部に放射させて、スピーカの振動板から前面
に出る音波を強め、低音域を歪まない様にしたバスレフ
レックス型（位相反転型）のスピーカ装置は良く知られ
ている。2. Description of the Related Art Conventionally, as an effective means for extending the low-frequency reproduction limit of a speaker device, for example, an opening and a duct are provided in a baffle plate provided with a speaker, and a phase of a sound emitted from a back surface of a diaphragm of the speaker is adjusted. A bass reflex type (phase inversion type) speaker device which inverts and radiates to the outside through an opening through a duct to enhance the sound wave emitted from the diaphragm of the speaker to the front so as not to distort the bass range is well known. Have been.
【０００３】この様な位相反転型スピーカ装置は図５に
示す様にスピーカボックス１の前面に設けたバッフル板
２に穿ったスピーカ放音孔２ａに対向してスピーカ３を
固定する。In such a phase inversion type speaker device, as shown in FIG. 5, a speaker 3 is fixed facing a speaker sound emission hole 2a formed in a baffle plate 2 provided on a front surface of a speaker box 1.
【０００４】このスピーカ３は例えば、図５に示す如
く、リング状マグネット４と、このリング状マグネット
４を挟むように取付けられたプレート５及びヨーク６と
を設け、プレート５の内周側とヨーク６のセンターポー
ル６ａとの間に磁気空隙７を形成する。またプレート５
にはスピーカ３のフレーム８が取付けられ、フレーム８
の外周部にはエッジ９が設けられ、このエッジ９によっ
てコーン型の振動板１０の外周部が保持されている。For example, as shown in FIG. 5, the speaker 3 is provided with a ring-shaped magnet 4, a plate 5 and a yoke 6 mounted so as to sandwich the ring-shaped magnet 4, and an inner peripheral side of the plate 5 and a yoke. The magnetic gap 7 is formed between the center gap 6 and the center pole 6a. Plate 5
The frame 8 of the speaker 3 is attached to the
An edge 9 is provided on the outer peripheral portion of the diaphragm, and the outer peripheral portion of the cone-shaped diaphragm 10 is held by the edge 9.
【０００５】一方、振動板１０の内周部にボイスコイル
ボビン１１が取付けられており、このボイスコイルボビ
ン１１にはボイスコイル１２が巻装され、ボイスコイル
１２はプレート５及びヨーク６のセンターポール６ａに
よって形成された磁気空隙７内に挿入する様になされて
いる。１７はこのボイスコイル１２をこの磁気空隙７内
に保持するためのダンパである。On the other hand, a voice coil bobbin 11 is mounted on the inner peripheral portion of the diaphragm 10, and a voice coil 12 is wound around the voice coil bobbin 11, and the voice coil 12 is fixed by a center pole 6a of the plate 5 and the yoke 6. It is designed to be inserted into the formed magnetic gap 7. Reference numeral 17 denotes a damper for holding the voice coil 12 in the magnetic gap 7.
【０００６】またスピーカボックス１の外部の所定位置
に設けられた入力端子１３ａよりの音響信号を接続線１
４ａを介してスピーカ３の端子１５に供給し、端子１５
よりの音響信号を錦糸線１６を介してボイスコイル１２
に供給している。An acoustic signal from an input terminal 13a provided at a predetermined position outside the speaker box 1 is connected to a connection line 1
4a to the terminal 15 of the speaker 3 via the terminal 15a.
Of the voice coil 12 via the tinsel wire 16
To supply.
【０００７】また、バッフル板２のスピーカ放音孔２ａ
と同一面に開口１８ａを有するダクト１８を設け、スピ
ーカ３の振動板１０の背面から出た音の位相を反転し
て、このダクト１８からスピーカボックス１の外に放射
し、この振動板１０の前面からでる音の低音域を広げて
いる。[0007] Further, the speaker sound emission hole 2a of the baffle plate 2
A duct 18 having an opening 18a is provided on the same surface as the above, and the phase of the sound emitted from the back surface of the diaphragm 10 of the speaker 3 is inverted and radiated from the duct 18 to the outside of the speaker box 1. The bass range of the sound coming out from the front is expanded.
【０００８】上述の様に位相反転型のスピーカ装置とす
ることで、密閉型に比べて低音再生限界を低くすること
が出来て、スピーカ３の低音共振周波数ｆ0 の約８０％
程度まで低域再生範囲を拡げることが出来るとされてい
る。As described above, by using a phase inversion type speaker device, the bass reproduction limit can be lowered as compared with the sealed type, and about 80% of the bass resonance frequency f 0 of the speaker 3 can be obtained.
It is said that the low-frequency reproduction range can be extended to a degree.
【０００９】[0009]
【発明が解決しようとする課題】上述の様なスピーカ３
をスピーカボックス１内に収納して位相反転型のスピー
カ装置を得る場合に、スピーカボックス１を図５の様に
薄型化を図る場合にはスピーカ３も薄型にしなければな
らないのは当然で、この様に小型薄型化したスピーカで
低域を再生しようとすればパワーを上げて低音拡大を図
ることになるが、振動板１０の振幅が増大し、ダンパ１
７がフレーム８等に当たって、パワーを上げることが出
来ず、更にスピーカボックス１が薄型で容積が小さいた
めに、低域の拡大は更に困難に成ると云う問題があっ
た。A speaker 3 as described above.
When the speaker box 1 is housed in the speaker box 1 to obtain a phase inversion type speaker device, and the speaker box 1 is made thin as shown in FIG. In order to reproduce low frequencies with a small and thin loudspeaker as described above, the power is increased and bass is expanded. However, the amplitude of the diaphragm 10 increases, and the damper 1 increases.
7 cannot hit the frame 8 or the like, and the power cannot be increased. Further, since the speaker box 1 is thin and has a small volume, there is a problem that expansion of the low frequency range becomes more difficult.
【００１０】更に、スピーカボックス１を薄型化する
と、小さな容積であるため定在波が立ち易く、これら定
在波の腹や節等の影響も大きく、スピーカ３の振動板１
０に大きな負荷が掛かり利得−周波数特性は図６の様に
中域の１０００〜５０００Ｈｚの周波数範囲での山谷の
あばれが生じて音質を悪化させる問題があった。尚、図
６で縦軸は利得（ｄＢ）及びインピーダンス（Ω）、横
軸は周波数（Ｈｚ）で１９はインピーダンス−周波数特
性曲線、２０は正面での利得−周波数特性曲線であり、
スピーカボックス１の容積６３０ｃｃ内に口径６５ｍｍ
φのスピーカ３を配設した場合の特性曲線である。Further, when the speaker box 1 is made thinner, standing waves are easily generated due to its small volume, and the effect of antinodes and nodes of the standing waves is great.
As shown in FIG. 6, the gain-frequency characteristic has a problem that the sound quality deteriorates due to the occurrence of peaks and valleys in the middle frequency range of 1000 to 5000 Hz. In FIG. 6, the vertical axis represents gain (dB) and impedance (Ω), and the horizontal axis represents frequency (Hz). 19 is an impedance-frequency characteristic curve, 20 is a frontal gain-frequency characteristic curve,
65mm in diameter within 630cc capacity of speaker box 1
It is a characteristic curve when the speaker 3 of φ is provided.
【００１１】[0011]
【課題を解決するための手段】本発明のスピーカ装置は
底面から上方に向けて狭くなる様に、且つバッフルボー
ドを上方に傾斜する様に形成したスピーカボックスを有
し、バッフルボード内の下側にスピーカを配設すると共
に、スピーカボックスのいずれか１つの側面に位相反転
用ダクトを配設させて成るものである。SUMMARY OF THE INVENTION A speaker device according to the present invention has a speaker box formed so as to become narrower upward from a bottom surface and to incline a baffle board upward. And a phase inversion duct is disposed on one side of the speaker box.
【００１２】この様なスピーカ装置によればスピーカボ
ックスを薄型化出来て、低域の拡大が可能で定在波を減
少出来るので、音質の改善を図ることの出来る。According to such a speaker device, the speaker box can be made thinner, the low range can be expanded, and the standing wave can be reduced, so that the sound quality can be improved.
【００１３】[0013]
【発明の実施の形態】以下、本発明の１形態例を図１乃
至図４によって説明する。尚、図５との対応部分には同
一符号を付して示している。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. The parts corresponding to those in FIG. 5 are denoted by the same reference numerals.
【００１４】図１及び図２（Ａ）〜（Ｆ）は本発明の１
形態例のスピーカ装置の側断面図及び正面と側面の略線
図を示すもので、スピーカボックス１Ａは底面板１Ｄが
略方形で底面積、特に奥行方向は図５で示したスピーカ
ボックス１の底面積より大きくとる様にして、載置部２
１に小型軽量なスピーカ装置をより安定に載置可能な様
に選択する。FIGS. 1 and 2A to 2F show one embodiment of the present invention.
FIG. 1 shows a side sectional view and a schematic diagram of a front surface and a side surface of a speaker device according to an embodiment. A speaker box 1A has a substantially rectangular bottom plate 1D and a bottom area, and particularly, a bottom direction of the speaker box 1 shown in FIG. Placer 2 so that it is larger than the area
First, a small and lightweight speaker device is selected so that it can be placed more stably.
【００１５】スピーカボックス１Ａを構成するバッフル
板２及び後面板１Ｂは図２（Ａ）及び図２（Ｅ）の様に
バッフル板２を正面から視た正面図に示す様に長方形状
或は図２（Ｃ）の正面図に示されている様に三角形状に
成されている。The baffle plate 2 and the rear plate 1B constituting the speaker box 1A are rectangular or illustrated as shown in the front view of the baffle plate 2 as viewed from the front as shown in FIGS. 2 (A) and 2 (E). It is formed in a triangular shape as shown in the front view of FIG.
【００１６】更に、スピーカボックス１Ａを構成する左
右側板１Ｌ及び１Ｒは図２（Ｂ）及び図２（Ｆ）に示す
様に三角形状に選択するか、図２（Ｄ）の様に長方形状
に選択し、全体として、頂部（先端）に行くにしたがっ
て前後或は左右の側板間の間隔が狭くなる様に成され、
ＡＢＳ樹脂等でバッフル板２或は後面板１Ｂを除いて１
体に屋根型に形成されている。Further, the left and right side plates 1L and 1R constituting the speaker box 1A are selected in a triangular shape as shown in FIGS. 2 (B) and 2 (F), or in a rectangular shape as shown in FIG. 2 (D). Selected, and as a whole, the distance between the front and rear or left and right side plates becomes smaller toward the top (tip),
Except for the baffle plate 2 or the rear plate 1B made of ABS resin, etc.
The body is shaped like a roof.
【００１７】図１の例ではバッフル板２の下側に穿った
スピーカ放音孔２ａに対向して、スピーカ３を配設す
る。In the example shown in FIG. 1, a speaker 3 is provided so as to face a speaker sound emission hole 2a formed on the lower side of the baffle plate 2.
【００１８】本例の場合はバッフル板２のスピーカ放音
孔２ａの下側に更に、バッフル板２の成型時に一体にダ
クト１８及びダクト用の開口１８ａを形成する様に成
す。In this embodiment, the duct 18 and the duct opening 18a are formed integrally with the baffle plate 2 below the speaker sound emission hole 2a when the baffle plate 2 is molded.
【００１９】又、スピーカ３の構造は図５で説明したと
同様の動電型スピーカであってもよいが、本例ではスピ
ーカボックス１Ａの底面１Ｄの面積を図５の様に薄型で
小さくとる必要がないのでスピーカ３の奥行方向も充分
に大きなものを用いることが出来る。The structure of the speaker 3 may be an electrodynamic speaker similar to that described with reference to FIG. 5, but in this embodiment, the area of the bottom surface 1D of the speaker box 1A is made thin and small as shown in FIG. Since there is no need, a speaker 3 having a sufficiently large depth direction can be used.
【００２０】従って、図１例ではスピーカ３のヨーク６
の後方に厚み方向にＮ．Ｓと着磁したマグネット４と反
対方向にＳ．Ｎと着磁したキャンセル用マグネット２２
を接着剤で接合し、カップ状の金属から成るシールドケ
ース２３の内径をプレート５の外周に接合させた防磁型
と成している。Therefore, in the example of FIG.
Behind in the thickness direction. S in the direction opposite to the magnet 4 magnetized with S.S. Canceling magnet 22 magnetized with N
Are bonded with an adhesive to form a shielded type in which the inner diameter of the shield case 23 made of cup-shaped metal is bonded to the outer periphery of the plate 5.
【００２１】従って、スピーカ３全体を図５のスピーカ
３に比べて大きくすることで、従来例と比べて略同一の
容積のスピーカボックス１及び１Ａであっても本例では
低域を増強可能なスピーカ装置とすることが出来る。Therefore, by increasing the size of the entire speaker 3 as compared with the speaker 3 of FIG. 5, even in the case of the speaker boxes 1 and 1A having substantially the same volume as in the conventional example, the low range can be enhanced in this example. It can be a speaker device.
【００２２】又、本例のスピーカ装置ではバッフル板２
の下側にダクト１８の開口１８ａを上側に向く様に傾け
て配設されているので、ダクト１８の空気の放射力ＦD
の反作用力−ＦD の垂直分力ＦDVはスピーカ装置の自重
Ｍに加算されるため小型軽量なスピーカボックス１Ａを
載置部２１により安定に固定させる様になる。In the speaker device of this embodiment, the baffle plate 2
, The opening 18a of the duct 18 is inclined so as to face upward, so that the radiation force F D of the air in the duct 18 is provided.
The vertical component force F DV of the reaction force -F D is as shown stably fixed by portion 21 mounting a compact lightweight speaker boxes 1A to be added to its own weight M of the speaker device.
【００２３】更に、スピーカボックス１Ａの外部の頂部
に高音用のツイータ２５を後面開放状態で配設する。図
２（Ａ）（Ｂ）の場合は、バッフル板２の頂部に正方形
状突部から成るツイータ取付板２７を延設し、図２
（Ｃ）及び図２（Ｄ）では円盤状のツイータ取付板２７
ａを、図２（Ｅ）及び図２（Ｆ）ではバッフル板２の頂
部を全幅に亘って延設したツイータ取付板２７ｂにツイ
ータ２５を取り付けたものである。Further, a tweeter 25 for treble is disposed on the top outside the speaker box 1A with its rear surface open. In the case of FIGS. 2A and 2B, a tweeter mounting plate 27 composed of a square protrusion is extended from the top of the baffle plate 2, and FIG.
2 (D) and FIG. 2 (D), the disk-shaped tweeter mounting plate 27
2A and 2A, the tweeter 25 is attached to a tweeter attachment plate 27b in which the top of the baffle plate 2 is extended over the entire width in FIGS.
【００２４】これらツイータ２５は指向性が鋭いのでツ
イータ取付板２７，２７ａ，２７ｂ等には放射孔を穿た
ずにツイータ２５のフレーム等に穿った開口部２６を介
して高音を放音させる様に成すことでスピーカボックス
１Ａ内にツイータ２５を配置した場合に比べて、バッフ
ル板に与える振動の影響を大幅に低減出来る。Since these tweeters 25 have a sharp directivity, the tweeter mounting plates 27, 27a, 27b and the like are not provided with a radiation hole, but emit high sounds through an opening 26 formed in a frame or the like of the tweeter 25. By doing so, the effect of vibration on the baffle plate can be greatly reduced as compared with the case where the tweeter 25 is arranged in the speaker box 1A.
【００２５】図１及び図２（Ａ）〜（Ｆ）に示したスピ
ーカ装置では図１、図２（Ａ），（Ｂ）、図２（Ｅ），
（Ｆ）ではバッフル板２と後面板２Ｄ間で、図２
（Ｃ），（Ｄ）では左右側板１Ｌ及び１Ｒ間でバッフル
板と後面板並びに左右板間が傾斜しているためスピーカ
３駆動時の特に低域での定在波が立ち難く、これら定在
波による影響を回避出来るものが得られる。In the speaker device shown in FIGS. 1 and 2A to 2F, FIGS. 1, 2A, 2B, 2E,
In FIG. 2F, between the baffle plate 2 and the rear plate 2D, FIG.
In (C) and (D), since the baffle plate, the rear plate, and the left and right plates are inclined between the left and right side plates 1L and 1R, standing waves particularly in a low range when the speaker 3 is driven hardly occur. What can avoid the influence by a wave is obtained.
【００２６】図４は図６と同一条件でのインピーダンス
−周波数特性曲線１９Ａ及び利得−周波数特性曲線２０
Ａを示すもので、これら特性を比較した場合利得−周波
数特性曲線２０Ａの１０００Ｈｚ〜５０００Ｈｚの周波
数特性のピーク及びディップは大幅に減少し、定在波の
腹や節の影響を受けないスピーカ装置が得られたことが
解る。FIG. 4 shows an impedance-frequency characteristic curve 19A and a gain-frequency characteristic curve 20 under the same conditions as in FIG.
A, when these characteristics are compared, the peak and dip of the frequency characteristic of 1000 Hz to 5000 Hz of the gain-frequency characteristic curve 20A are greatly reduced, and the speaker device which is not affected by antinodes and nodes of the standing wave is obtained. It turns out that it was obtained.
【００２７】尚、図１で頂部の前後、或は左右側板の狭
くなった部分に、中高音部を吸音させる吸音材２４等を
装着させて、ツイータ２５の振動の影響や定在波等を吸
音させる様にしてもよい。In FIG. 1, a sound-absorbing material 24 or the like for absorbing the middle and high-pitched sound is attached to the front and rear portions of the top portion or the narrow portion of the left and right side plates to reduce the influence of the vibration of the tweeter 25 and the standing wave. The sound may be absorbed.
【００２８】図２（Ａ）及び図２（Ｂ）に示す構成では
図１とは異なってダクト１８を後面板１Ｂの下側に底面
板１Ｄに向けて傾斜する様に配設した場合の略線図を示
している。In the configuration shown in FIGS. 2A and 2B, unlike FIG. 1, the duct 18 is arranged below the rear plate 1B so as to be inclined toward the bottom plate 1D. FIG.
【００２９】又、図２（Ｃ）及び図２（Ｄ）の場合はダ
クト１８を同じく底面板１Ｄに傾斜する様に向けて、右
（左）側板１Ｒ（１Ｌ）に開口１８ａと共に配設した場
合である。In the case of FIGS. 2C and 2D, the duct 18 is arranged together with the opening 18a in the right (left) side plate 1R (1L) so as to be inclined to the bottom plate 1D. Is the case.
【００３０】図２（Ｅ）及び図２（Ｆ）は図３で後述す
るダクト１８の構成を模式的に示したものである。FIGS. 2E and 2F schematically show the structure of a duct 18 described later with reference to FIG.
【００３１】以下、図３によって、ダクト１８部分を詳
記する。図３でスピーカ３の構成は図１と同一であり、
スピーカボックス１Ａ′の後面板１Ｂ′は図１の様に直
線状に変化することなくエキスポネンシャル状、或は指
数函数的に底面板１Ｄの最後端部からバッフル板２の上
部に向かって所定の曲率を有するカーブを形成する構成
とされ、各部位で定在波が立たない様に選択されてい
る。Hereinafter, the duct 18 will be described in detail with reference to FIG. In FIG. 3, the configuration of the speaker 3 is the same as that of FIG.
The rear plate 1B 'of the speaker box 1A' is exponential without changing linearly as shown in FIG. 1, or is predetermined exponentially from the rearmost end of the bottom plate 1D toward the top of the baffle plate 2. Are formed so that a standing wave does not occur at each part.
【００３２】又、スピーカ３のスピーカ放音孔２ａはバ
ッフル板２の最も下側に配され、ダクト１８の開口１８
ａはスピーカ３の上側に穿たれている。The speaker sound emission hole 2a of the speaker 3 is disposed at the lowermost side of the baffle plate 2, and the opening 18 of the duct 18
“a” is bored above the speaker 3.
【００３３】更に、このダクトの開口１８ａはバッフル
板２から後面板１Ｂ′に連通する第１のダクト部１８ｂ
と、後面板１Ｂ′の一部を用いてこの後面板１Ｂ′の曲
率に沿って設けられた第２のダクト部１８ｃ並びに第１
のダクト部１８ｂと平行に配設され、スピーカ３のセン
タラインと同一センタラインにある様に一端を開口１８
ｅとなすを可とした第３のダクト部１８ｄで構成されて
いる。Further, the opening 18a of the duct is connected to the first duct portion 18b communicating from the baffle plate 2 to the rear plate 1B '.
A second duct portion 18c and a first duct portion 18c provided along a curvature of the rear plate 1B 'using a part of the rear plate 1B'.
Is arranged in parallel with the duct portion 18b, and one end of the opening 18 is located at the same center line as the center line of the speaker 3.
e and a third duct portion 18d which can be formed.
【００３４】図２（Ｅ）と図２（Ｆ）及び図３で示した
スピーカボックス１Ａ′ではスピーカ３の駆動時の音放
射力Ｆ1 に対する反作用力−Ｆ1 で生ずる第３のダクト
部１８ｄ内の開口１８ｅからの空気の流入力−ＦD と、
第１のダクト部１８ｂ内の開口１８ａからの空気の放射
力ＦD とは互に釣合っているのでスピーカ３の音放射力
Ｆ1 の反作用力−Ｆ1 をスピーカ装置の自重Ｍで支える
様にすればよい。この時、第２のダクト部１８ｃを開口
１８ｅから斜めに上方に向かう空気の放射力ＦD1の反作
用力−ＦD1の垂直方向分力ＦD1V は下方に向かうのでこ
の垂直方向分力ＦD1V が自重Ｍに加算されて、軽量なス
ピーカ装置をより安定に載置部２１に載置可能と成る。The third duct portion 18d arising in FIG 2 (E) and FIG. 2 (F) and reaction force -F 1 for sound radiation force F 1 at the time of driving of the speaker box 1A 'in the loudspeaker 3 shown in FIG. 3 an inlet force -F D of the air from the opening 18e of the inner,
First since each other balanced the radiation force F D of the air from the opening 18a of the duct portion 18b to reaction force -F 1 sound radiation force F 1 of the speaker 3 as supporting its own weight M of the speaker device What should I do? In this case, the vertical component force F D1v the reaction force -F D1 of radiation force F D1 of the air toward the second duct portion 18c upward from the opening 18e obliquely this vertical component force F D1v since downward The weight is added to the weight M, and the lightweight speaker device can be more stably mounted on the mounting portion 21.
【００３５】[0035]
【発明の効果】本発明のスピーカ装置によるとスピーカ
ボックスを薄型にしても安定に載置部に載置出来て、従
来の薄型スピーカの様にスピーカ装置を立設させる為の
脚台を必要とせず、比較的大きいスピーカを底面板側の
広い部分に配設することで低域の拡大が容易となり、定
在波の立たないスピーカボックス構造であるために中域
での音質が大幅に改善され、スピーカボックスの底面板
方向に重量が掛かる様にスピーカを配した為に軽量なス
ピーカ装置をダクトの配置と相俟って安定化させること
が出来るものが得られる。According to the speaker device of the present invention, even if the speaker box is thin, it can be stably mounted on the mounting portion, and a footrest for standing the speaker device like a conventional thin speaker is required. By placing a relatively large loudspeaker in a wide area on the bottom plate side, it is easy to expand the low range, and since the speaker box structure has no standing waves, the sound quality in the middle range has been greatly improved. In addition, since the speakers are arranged so that the weight is applied in the direction of the bottom plate of the speaker box, it is possible to stabilize the lightweight speaker device in combination with the arrangement of the ducts.
【図１】本発明のスピーカ装置の側断面図である。FIG. 1 is a side sectional view of a speaker device of the present invention.
【図２】本発明の他のスピーカ装置の正面及び側断面を
示す略線図である。FIG. 2 is a schematic diagram showing front and side cross sections of another speaker device of the present invention.
【図３】本発明の更に他のスピーカ装置の側断面図であ
る。FIG. 3 is a side sectional view of still another speaker device of the present invention.
【図４】本発明のスピーカ装置の周波数特性曲線図であ
る。FIG. 4 is a frequency characteristic curve diagram of the speaker device of the present invention.
【図５】従来のスピーカ装置の側断面図である。FIG. 5 is a side sectional view of a conventional speaker device.
【図６】従来のスピーカ装置の周波数特性曲線図であ
る。FIG. 6 is a frequency characteristic curve diagram of a conventional speaker device.
１，１Ａ，１Ａ′‥‥スピーカボックス、２‥‥バッフ
ル板、３‥‥スピーカ、１８‥‥ダクト、２５‥‥ツイ
ータ1, 1A, 1A '‥‥ speaker box, 2 ‥‥ baffle plate, 3 ‥‥ speaker, 18 ‥‥ duct, 25 ‥‥ tweeter
Claims (5)
且つバッフルボードを上方に傾斜する様に形成したスピ
ーカボックスを有し、 上記バッフルボード内の下側にスピーカを配設すると共
に、上記スピーカボックスのいずれか１つの側面に位相
反転用ダクトを配設させて成ることを特徴とするスピー
カ装置。Claims: 1. A taper that narrows upward from a bottom plate.
And a speaker box having a baffle board formed so as to be inclined upward. A speaker is provided below the baffle board, and a phase inversion duct is provided on any one side surface of the speaker box. A speaker device comprising:
の高音用スピーカを配設して成ることを特徴とする請求
項１記載のスピーカ装置。2. The speaker device according to claim 1, wherein a high-pitched loudspeaker having an open rear surface is disposed on a top portion of the speaker box.
を方形或は三角形状と成したことを特徴とする請求項１
又は請求項２記載のスピーカ装置。3. The baffle board according to claim 1, wherein said baffle board has a rectangular or triangular shape when viewed from the front.
Or the speaker device according to claim 2.
ずれか１つの側面に配設した該ダクトを前記底面板方向
に傾斜させて配設させて成る請求項１乃至請求項３記載
のいづれか１項記載のスピーカ装置。4. The speaker according to claim 1, wherein the duct is arranged on one side surface of the speaker box, and the duct is arranged to be inclined toward the bottom plate. Speaker device.
沿ってダクトを配設させて成ることを特徴とする請求項
１乃至請求項３記載のいづれか１項記載のスピーカ装
置。5. The speaker device according to claim 1, wherein a duct is provided along an inclined side plate of the speaker box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23081598A JP3921831B2 (en) | 1998-08-17 | 1998-08-17 | Speaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23081598A JP3921831B2 (en) | 1998-08-17 | 1998-08-17 | Speaker device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000069581A true JP2000069581A (en) | 2000-03-03 |
| JP3921831B2 JP3921831B2 (en) | 2007-05-30 |
Family
ID=16913717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23081598A Expired - Fee Related JP3921831B2 (en) | 1998-08-17 | 1998-08-17 | Speaker device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3921831B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1292170A2 (en) | 2001-09-05 | 2003-03-12 | Samsung Electronics Co., Ltd. | Structure for preventing the generation of standing waves and a method for implementing the same |
| RU2756167C1 (en) * | 2020-12-04 | 2021-09-28 | Сергей Алексеевич Болоненко | Acoustic system |
-
1998
- 1998-08-17 JP JP23081598A patent/JP3921831B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1292170A2 (en) | 2001-09-05 | 2003-03-12 | Samsung Electronics Co., Ltd. | Structure for preventing the generation of standing waves and a method for implementing the same |
| EP1292170A3 (en) * | 2001-09-05 | 2004-03-17 | Samsung Electronics Co., Ltd. | Structure for preventing the generation of standing waves and a method for implementing the same |
| KR100520143B1 (en) * | 2001-09-05 | 2005-10-10 | 삼성전자주식회사 | Structure for preventing the generation of standing waves and a method for implementing the same |
| US7093688B2 (en) | 2001-09-05 | 2006-08-22 | Samsung Electronics Co., Ltd. | Structure for preventing the generation of standing waves and a method for implementing the same |
| RU2756167C1 (en) * | 2020-12-04 | 2021-09-28 | Сергей Алексеевич Болоненко | Acoustic system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3921831B2 (en) | 2007-05-30 |
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