JP3208812B2 - Speaker device - Google Patents
Speaker deviceInfo
- Publication number
- JP3208812B2 JP3208812B2 JP33652691A JP33652691A JP3208812B2 JP 3208812 B2 JP3208812 B2 JP 3208812B2 JP 33652691 A JP33652691 A JP 33652691A JP 33652691 A JP33652691 A JP 33652691A JP 3208812 B2 JP3208812 B2 JP 3208812B2
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- sound
- frequency reproduction
- acoustic tube
- low
- 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.)
- Expired - Fee Related
Links
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】本発明はテレビジョン受像機など
の映像機器や車載用音響装置に利用されるスピーカ装置
およびそれを用いたテレビジョン受像機に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loudspeaker device used for video equipment such as a television receiver and an on-vehicle audio device, and a television receiver using the same.
【０００２】[0002]
【従来の技術】スピーカの前面部にホーンや音響管を設
け、スピーカから発生した音波を開口部まで導く方法
は、ホーンや音響管を用いない場合に比べて、出力音圧
が大きく得られることや、特定の方向に音が伝えられる
などの利点があり、従来から多く用いられている。以下
図面を参照しながら、従来の音響管を用いたスピーカ装
置について説明する。2. Description of the Related Art A method of providing a horn or an acoustic tube in front of a speaker and guiding sound waves generated from the speaker to an opening can obtain a larger output sound pressure than when a horn or an acoustic tube is not used. It has the advantage of transmitting sound in a specific direction, and has been widely used. Hereinafter, a conventional speaker device using an acoustic tube will be described with reference to the drawings.
【０００３】図３は上記従来の音響管を用いたスピーカ
装置を用いて構成した中低域再生用スピーカ装置と高域
再生用スピーカとを併用して構成されたテレビジョン受
像機の斜視図を示す。図３において１は中低域再生用ス
ピーカ、２は中低域再生用スピーカ１を取り付けた音響
管、３はテレビキャビネット、４は陰極線管、５は中低
域再生用スピーカ１の音響管２の開口部、６は前記音響
管２の開口部５の上部に設置された高域再生用スピーカ
を示す。[0003] FIG. 3 is a perspective view of a television receiver constructed by using a speaker device for reproducing low and middle frequencies and a speaker for reproducing high frequencies, which is constructed using the above-mentioned conventional speaker device using an acoustic tube. Show. In FIG. 3, reference numeral 1 denotes a speaker for reproducing the low-mid band, reference numeral 2 denotes an acoustic tube on which the speaker 1 for reproducing the low-low band is mounted, reference numeral 3 denotes a television cabinet, reference numeral 4 denotes a cathode ray tube, and reference numeral 5 denotes a sound tube 2 of the speaker for reproducing the low-mid band. Reference numeral 6 denotes a high-frequency reproduction speaker installed above the opening 5 of the acoustic tube 2.
【０００４】以上のように従来の音響管２を用いたスピ
ーカ装置を内蔵して構成されたテレビジョン受像機の機
能について以下に説明する。図３に示すように、中低域
再生用スピーカ１の前面部に音波を導く音響管２を配置
したスピーカ装置をテレビジョン受像機内部の陰極線管
４に沿わせて内蔵し、さらにテレビキャビネット３を前
記スピーカ装置に沿わせる構造とすることにより、テレ
ビジョン受像機の小形スリム化が可能となるものであ
る。[0004] The function of a television receiver having a built-in speaker device using the conventional acoustic tube 2 as described above will be described below. As shown in FIG. 3, a speaker device in which an acoustic tube 2 for guiding a sound wave is disposed in front of a mid-low range reproduction speaker 1 is built in along with a cathode ray tube 4 inside a television receiver. Is adapted to be adapted to the speaker device, thereby making it possible to reduce the size and size of the television receiver.
【０００５】また、一般に高域再生用スピーカ６の場合
スピーカ形状を小形化することが可能となる他、前記音
響管２を用いた中低域再生用スピーカと同様の方式で音
を開口部に導くためには、音響管２の内部に発生する定
在波を除去するために、音響管２の内部に吸音材を適正
配置する必要があるとか、高域成分を減衰させることな
く開口部前面に導くためには音響管２の内部構成が複雑
になる等の理由で、比較的容易にテレビジョン受像機の
コンパクト化が図れる手段としてテレビジョン受像機の
前面に高域再生用スピーカ６を設置する方式が用いられ
ていた。In general, in the case of the high-frequency reproduction speaker 6, it is possible to reduce the size of the speaker, and in addition, the sound is supplied to the opening in the same manner as the medium-low-frequency reproduction speaker using the acoustic tube 2. In order to guide the acoustic wave, it is necessary to appropriately arrange a sound absorbing material inside the acoustic tube 2 in order to remove a standing wave generated inside the acoustic tube 2, or to attenuate the high frequency component without attenuating high frequency components. The speaker 6 for high frequency reproduction is installed on the front of the television receiver as a means for relatively easily reducing the size of the television receiver because, for example, the internal configuration of the acoustic tube 2 is complicated in order to guide the sound tube 2. Was used.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、上記従
来の構成では、中低域再生用スピーカ１と高域再生用ス
ピーカ６の設置位置が大きく異なっているため、中低域
再生用スピーカ１より再生される音波と高域再生用スピ
ーカ６より再生される音波との位相差が各周波数帯域に
おいて発生し、テレビジョン受像機としてのスピーカ装
置の音圧周波数特性として見た場合、図４の７に示すよ
うにピークディップの多い特性となってしまう他、試聴
結果としても違和感のある音質となっていた。また、図
３に示したように、中低域再生用スピーカ１の上面に高
域再生用スピーカ６を配置しているため、スピーカ設置
が異なっていることによって中高域再生帯域において音
が上下に移動するといったような問題を有しており、ひ
いては音像定位感および明瞭度が悪く高性能テレビジョ
ン受像機用のスピーカ装置として見た場合十分に満足す
るものとはいえなかった。However, in the above-mentioned conventional configuration, since the installation positions of the middle and low frequency reproduction speakers 1 and the high frequency reproduction speakers 6 are greatly different, the reproduction from the medium and low frequency reproduction speakers 1 is performed. A phase difference between the sound wave to be reproduced and the sound wave reproduced from the high-frequency reproduction speaker 6 occurs in each frequency band, and when viewed as a sound pressure frequency characteristic of a speaker device as a television receiver, FIG. As shown in the figure, in addition to the characteristic having many peak dips, the sound quality was uncomfortable as a listening result. Also, as shown in FIG. 3, since the high-frequency reproduction speaker 6 is disposed on the upper surface of the mid-low frequency reproduction speaker 1, the sound is up and down in the mid-high frequency reproduction band due to the different speaker installation. It has problems such as movement, and thus has poor sound image localization feeling and intelligibility, so that it cannot be said that it is sufficiently satisfactory when viewed as a speaker device for a high-performance television receiver.
【０００７】本発明は上記従来の問題点を解決するもの
で、音像定位感および音声の明瞭度の向上と、さらに
は、音響管開口部５の超スリム化をも図った優れた音響
特性を得ることのできるスピーカ装置を提供することを
目的とするものである。[0007] The present invention solves the above-mentioned conventional problems, and improves the sound image localization sensation and the clarity of voice, and furthermore, has excellent acoustic characteristics in which the acoustic tube opening 5 is made ultra-slim. It is an object to provide a speaker device that can be obtained.
【０００８】[0008]
【課題を解決するための手段】この課題を解決するため
に本発明のスピーカ装置は、中低域再生用スピーカの前
面に開口部がほぼ矩形形状の音波を導く音響管を配置
し、この音響管の内部の中低域再生用スピーカの前面部
に高域再生用スピーカを近接配置し、この高域再生用ス
ピーカの中心軸と中低域再生用スピーカの中心軸とが一
致しない疑似同軸構造となるように構成するとともに、
前記高域再生用スピーカの背面両サイドに空洞を介して
長さの異なる反射板とこの反射板と前記音響管間に吸音
材を配置したものである。In order to solve this problem, a speaker device according to the present invention comprises an acoustic tube for guiding sound waves having a substantially rectangular opening at the front of a speaker for reproducing low and middle frequencies. the high frequency reproduction speaker closely disposed within the interior of the tube to the front portion of the low-frequency reproduction speaker, a pseudo coaxial structure in which the central axis of the middle low band reproducing speaker of the high-frequency reproducing speaker does not match While configuring so that
Through a cavity on both sides on the back of the speaker for high frequency reproduction
Absorbing sound between reflectors of different lengths and this reflector and the acoustic tube
Materials are arranged .
【０００９】[0009]
【作用】この構成により、機器への組み込みを考慮し開
口部を長細い矩形形状とし、さらに、音響管開口部の超
スリム化を図ったスピーカ装置においても、音響管の内
部の中低域再生用スピーカの前面部に高域再生用スピー
カを近接して疑似同軸構造配置することによって、中低
域再生用スピーカより再生される中高域成分と高域再生
用スピーカより再生される高域成分の音波が音響管内部
で合成され、また、長さの異なる反射板とこの反射板と
前記音響管間に吸音材を配置したことでピークディップ
のないごく自然に近い状態の音響信号として、音響管の
開口部前面に導かれることが可能となり、また、従来品
では実現できなかった音像定位感および音声の明瞭度の
向上を図った優れた音響特性を可能とし、さらに、音響
管開口部寸法の超スリム化を可能とするものであり、ひ
いては、テレビジョン受像機のさらなるコンパクト化お
よび高音質化が図れることとなる。With this configuration, the opening is formed into a long and narrow rectangular shape in consideration of the incorporation into the device, and furthermore, even in a speaker device in which the opening of the sound tube is made ultra-slim, the mid-low range reproduction inside the sound tube is performed. By placing a high-frequency reproduction speaker close to the front of the speaker for pseudo-coaxial structure, the mid-high frequency component reproduced from the low-frequency reproduction speaker and the high frequency component reproduced from the high-frequency reproduction speaker Sound waves are synthesized inside the acoustic tube, and reflectors with different lengths and this reflector
Peak dip by placing sound absorbing material between the acoustic tubes
The sound signal can be guided to the front of the opening of the sound tube as an acoustic signal in a state close to nature without any sound, and an excellent sound image localization feeling and sound intelligibility that could not be achieved with conventional products have been improved. This enables the acoustic characteristics to be achieved, and further enables the ultra-slimness of the size of the opening of the acoustic tube, thereby further reducing the size and the sound quality of the television receiver.
【００１０】[0010]
【実施例】以下、本発明の実施例について、図面を参照
しながら説明する。なお、図３および図４の符号と同一
符号のものは同一部分を示す。Embodiments of the present invention will be described below with reference to the drawings. The same reference numerals as those in FIGS. 3 and 4 indicate the same parts.
【００１１】図１は本発明の一実施例における音響管部
を主としてスピーカ装置の構成を部分断面図して示した
斜視図である。図１において１は中低域再生用スピーカ
であり、この中低域再生用スピーカ１の前面部には機器
への組み込みを考慮し長細い矩形形状とした開口部５を
有する構成とした音波を導く音響管２が配置されてい
る。FIG. 1 is a perspective view showing a configuration of a loudspeaker device with a partial sectional view mainly showing an acoustic tube portion in an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a mid-low range reproduction speaker. A sound wave having a long and narrow rectangular opening 5 is provided on the front surface of the mid-low range reproduction speaker 1 in consideration of incorporation into equipment. A guiding acoustic tube 2 is arranged.
【００１２】また、この音響管２の内部は、中低域再生
用スピーカ１の前面部に高域再生用スピーカ６を近接し
て配置し、この高域再生用スピーカ６の中心軸Ａと中低
域再生用スピーカ１の中心軸Ｂとが一致しない構成と
し、さらに、高域再生用スピーカ６の前面部両サイドに
反射板１１，１２を設置し、片側の反射板１１は高域再
生用スピーカ６に近接配置し、他方の反射板１２は高域
再生用スピーカ６と反射板１２との間に、中低域再生用
スピーカ１より放射される中高域成分の音波を直接開口
部にまで導くことが可能な音導１３を介して配置する構
成となっている。Inside the acoustic tube 2, a high-frequency reproduction speaker 6 is disposed close to the front of the mid-low frequency reproduction speaker 1, and the center axis A of the high-frequency reproduction speaker 6 and the middle axis A are aligned. The central axis B of the low-frequency reproduction speaker 1 does not match, and reflectors 11 and 12 are installed on both sides of the front part of the high-frequency reproduction speaker 6, and one side of the reflection plate 11 is used for high-frequency reproduction. The other reflector 12 is disposed in close proximity to the speaker 6, and the other reflector 12 transmits the sound wave of the middle and high frequency components radiated from the middle and low frequency speaker 1 to the opening between the high frequency speaker 6 and the reflector 12. It is configured to be arranged via a sound guide 13 that can be guided.
【００１３】また、前記高域再生用スピーカ６の背面両
サイドには、中低域再生用スピーカ１の中低域成分の音
波を導くための空洞８を介して、中低域再生用スピーカ
１より再生される音波の音響特性補正用の反射板９およ
び吸音材１０が配置された構成となっている。On both sides of the rear side of the high-frequency reproduction speaker 6, a medium-low frequency reproduction speaker 1 is passed through a cavity 8 for guiding a sound wave of a medium-low frequency component. The reflector 9 and the sound absorbing material 10 for correcting the acoustic characteristics of the sound waves to be reproduced are arranged.
【００１４】以上のように構成された本発明の音響管２
を用いたスピーカ装置より再生される音響信号は、中低
域再生用スピーカ１の前面部に高域再生用スピーカ６を
近接して疑似同軸構造配置すると共に、中低域再生用ス
ピーカ１より放射される中高域成分の音波を直接開口部
５まで導くことが可能な音導１３を設けたことによっ
て、中低域再生用スピーカ１より再生される中高域成分
の音波と、高域再生用スピーカ６より再生される高域成
分の音波が音響管内部で自然に合成され、さらに、高域
再生用スピーカ６の両サイドに設けた反射板１１，１２
によって減衰することなく、ごく自然に近い状態の音響
信号として、音響管開口部５の前面に導かれることが可
能となるものである。The acoustic tube 2 of the present invention configured as described above
A sound signal reproduced from a speaker device using a loudspeaker is quasi-coaxially arranged close to a high-frequency reproduction speaker 6 in front of the mid-low frequency reproduction speaker 1 and radiated from the low-frequency reproduction speaker 1. By providing the sound conductor 13 that can directly guide the sound wave of the middle and high frequency component to the opening 5, the sound wave of the middle and high frequency component reproduced from the speaker for middle and low frequency reproduction 1 and the speaker for high frequency reproduction The high-frequency component sound wave reproduced from the high-frequency reproduction speaker 6 is naturally synthesized inside the acoustic tube, and the reflection plates 11 and 12 provided on both sides of the high-frequency reproduction speaker 6.
Thus, the sound signal can be guided to the front surface of the acoustic tube opening 5 as a sound signal in a state close to nature without being attenuated.
【００１５】また、高域再生用スピーカ６の背面両サイ
ドに設けた左右の長さの異なる反射板９および吸音材１
０により、中低域再生用スピーカ１より再生される中低
域成分の音波が、空洞８を介して音響管開口部５まで導
かれるものであり、この音響特性補正用の反射板９およ
び吸音材１０が無い状態では中低域の再生帯域において
図２、１５に示すようにピークディップの多い特性とな
ってしまうものであるが、以上のような構成とすること
によってこの現象を抑えたスピーカ装置とすることが可
能となるものである。A reflector 9 and a sound absorbing material 1 having different lengths on the left and right sides provided on both rear sides of the high frequency reproduction speaker 6.
0, the sound wave of the middle and low frequency components reproduced from the medium and low frequency reproduction speaker 1 is guided to the acoustic tube opening 5 through the cavity 8, and the reflection plate 9 for correcting the acoustic characteristics and the sound absorption In the state where the material 10 is not present, the characteristic having a large peak dip in the middle and low frequency reproduction band as shown in FIGS. 2 and 15 is obtained. It is possible to make the device.
【００１６】よって、テレビジョン受像機としてのスピ
ーカ装置の音圧周波数特性として見た場合、図２の１４
に示すようにピークディップの少ない特性とすることが
可能となる他、中低域再生用スピーカ１と高域再生用ス
ピーカ６の二つのスピーカが疑似同軸構造配置されてい
ることによって、中高域再生帯域において音が上下に移
動するといったような問題を解消でき、従来では実現で
きなかった音像定位感および音声の明瞭度の向上を図っ
た優れた音響特性を可能とし、さらに音響管開口部寸法
のさらなるスリム化を実現する際、大きな課題となって
いた中高域成分の音圧感が低下する現象を、高域再生用
スピーカ６の側面に音導１３を設け、かつ、中低域再生
用スピーカ１の中心軸Ｂと高域再生用スピーカ６の中心
軸Ａとを１０mm〜２０mm片側へずらした構成としたこと
によって、中高域再生帯域の音圧感の向上と音圧周波数
特性の平坦化が可能となり、音響管開口部寸法の超スリ
ム化を可能とするものであり、ひいては、テレビジョン
受像機のさらなるコンパクト化および高音質化が図れる
こととなる。Accordingly, when viewed as a sound pressure frequency characteristic of a speaker device as a television receiver, FIG.
In addition to the characteristic of having a small peak dip as shown in FIG. 5, the mid-high range reproduction speaker 1 and the high range reproduction speaker 6 are arranged in a pseudo-coaxial structure to provide the mid-high range reproduction. The problem of sound moving up and down in the band can be solved, and excellent sound characteristics with improved sound image localization feeling and sound clarity, which could not be realized in the past, are enabled. In order to realize further slimming, the phenomenon that the sense of sound pressure of the middle and high frequency components is reduced, which has been a major problem, is improved by providing the sound guide 13 on the side of the high frequency reproduction speaker 6 and using the medium low frequency reproduction speaker 1 The center axis B of the high-frequency reproduction speaker 6 and the center axis A of the high-frequency reproduction speaker 6 are shifted to one side by 10 mm to 20 mm, so that it is possible to improve the sound pressure sense in the mid-high frequency reproduction band and to flatten the sound pressure frequency characteristics. Thus, the size of the opening of the acoustic tube can be made ultra-slim, and furthermore, the television receiver can be further downsized and the sound quality can be improved.
【００１７】なお、本発明の音響管の構造により構成さ
れたスピーカ装置に、後面キャビネットおよびバスレフ
・ポート等を設けた場合においても同様の効果が得られ
ることはいうまでもない。It is needless to say that the same effect can be obtained even when a rear cabinet, a bass reflex port, and the like are provided in the speaker device having the structure of the acoustic tube of the present invention.
【００１８】[0018]
【発明の効果】以上のように本発明は、中低域再生用ス
ピーカの前面に開口部がほぼ矩形形状の音波を導く音響
管を配置し、この音響管の内部の中低域再生用スピーカ
の前面部に高域再生用スピーカを近接配置すると共に、
この高域再生用スピーカの中心軸と中低域再生用スピー
カの中心軸とが一致しない構成とし疑似同軸構造とした
ことにより、中低域再生用スピーカより再生される中高
域成分の減衰を抑え、さらには、近接配置した高域再生
用スピーカより再生される高域成分とが、ごく自然に近
い状態で合成された音響信号として音響管の開口部の前
面に導くことが可能となるものであり、従来品では実現
できなかった音像定位および音声の明瞭度の向上を図っ
た優れた音響特性を可能とし、かつ、音響管開口部寸法
の超スリム化をも実現とするものであり、ひいては、テ
レビジョン受像機のコンパクト化および高音質化が図れ
ることとなる。As described above, according to the present invention, an acoustic tube for guiding sound waves having a substantially rectangular opening is arranged in front of a speaker for reproducing low- and mid-range sounds. A high-frequency reproduction speaker is placed close to the front of the
The central axis of the high-frequency reproduction speaker does not coincide with the central axis of the mid-low frequency reproduction speaker, and the pseudo-coaxial structure suppresses the attenuation of the mid-high frequency component reproduced from the low-frequency reproduction speaker. Further, the high-frequency component reproduced from the high-frequency reproduction speaker arranged in close proximity can be guided to the front of the opening of the acoustic tube as an acoustic signal synthesized in a state very close to nature. Yes, it is possible to achieve excellent sound characteristics with improved sound image localization and sound clarity that could not be realized with conventional products, and also to realize ultra-slimness of the opening of the sound tube opening. Thus, the size and the sound quality of the television receiver can be reduced.
【図１】本発明の一実施例におけるスピーカ装置の構成
を部分断面して示した斜視図FIG. 1 is a perspective view showing a configuration of a speaker device according to an embodiment of the present invention in a partial cross section.
【図２】本発明の音響管を用いたスピーカ装置をテレビ
ジョン受像機に内蔵したときの音圧周波数特性図FIG. 2 is a sound pressure frequency characteristic diagram when a speaker device using the acoustic tube of the present invention is incorporated in a television receiver.
【図３】従来の音響管を用いて構成した中低域再生用ス
ピーカ装置と高域再生用スピーカとを併用して構成され
たテレビジョン受像機の斜視図FIG. 3 is a perspective view of a television receiver configured by using both a low-range reproduction speaker device and a high-range reproduction speaker configured using a conventional acoustic tube.
【図４】従来の音響管を用いたスピーカ装置をテレビジ
ョン受像機に内蔵したときの音圧周波数特性図FIG. 4 is a sound pressure frequency characteristic diagram when a speaker device using a conventional acoustic tube is incorporated in a television receiver.
１ 中低域再生用スピーカ ２ 音響管 ５ 開口部 ６ 高域再生用スピーカ ８ 中低域再生用スピーカの音波を導くための空洞 ９ 反射板 １０ 吸音材 １１，１２ 反射板 １３ 中低域再生用スピーカの中高域成分の音波を導く
ための音導 １４ 本発明の音響管を用いたスピーカ装置をテレビジ
ョン受像機に内蔵したときの音圧周波数特性図 Ａ 高域再生用スピーカの中心軸 Ｂ 中低域再生用スピーカの中心軸REFERENCE SIGNS LIST 1 speaker for middle and low frequency reproduction 2 acoustic tube 5 opening 6 speaker for high frequency reproduction 8 cavity for guiding sound wave of speaker for medium and low frequency reproduction 9 reflector 10 sound absorbing material 11, 12 reflector 13 medium for low frequency reproduction Sound conduction for guiding sound waves of middle and high frequency components of a speaker 14 Sound pressure frequency characteristic diagram when a speaker device using the acoustic tube of the present invention is built in a television receiver A A central axis of speaker for high frequency reproduction B Medium Central axis of low-frequency reproduction speaker
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H04R 1/34 310 H04N 5/64 541 H04R 1/02 102 H04R 1/26 ──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. 7 , DB name) H04R 1/34 310 H04N 5/64 541 H04R 1/02 102 H04R 1/26
Claims (2)
ほぼ矩形形状の音波を導く音響管を配置し、この音響管
の内部の中低域再生用スピーカの前面部に高域再生用ス
ピーカを近接配置し、この高域再生用スピーカの中心軸
と中低域再生用スピーカの中心軸とが一致しない疑似同
軸構造としたスピーカ装置において、前記高域再生用ス
ピーカの背面両サイドに空洞を介して長さの異なる反射
板とこの反射板と前記音響管間に吸音材を配置したスピ
ーカ装置。 An acoustic tube having an opening for guiding a sound wave having a substantially rectangular shape is arranged in front of a speaker for reproducing low- and mid-range sounds. the speaker closely arranged, in the speaker device and the central axis is consistent with a decoction pseudo coaxial structure of the central axis and the middle low band reproducing speaker of the high-frequency reproducing speaker, scan for the high frequency regeneration
Reflections of different length through cavities on both sides of the back of the peaker
Plate with a sound-absorbing material placed between the plate and this reflector and the acoustic tube.
Car equipment.
一方はこの高域再生用スピーカに近接して、他方は中低
域再生用スピーカの音波を直接開口部まで導く音導を介
して反射板を配置した請求項１に記載のスピーカ装置。 2. On both sides of a front part of a high frequency reproduction speaker.
One is close to the high-frequency reproduction speaker, and the other is
Through the sound guide that guides the sound waves of the speakers for high frequency reproduction directly to the opening
The speaker device according to claim 1, wherein the reflection plate is arranged as a reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33652691A JP3208812B2 (en) | 1991-12-19 | 1991-12-19 | Speaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33652691A JP3208812B2 (en) | 1991-12-19 | 1991-12-19 | Speaker device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05168083A JPH05168083A (en) | 1993-07-02 |
| JP3208812B2 true JP3208812B2 (en) | 2001-09-17 |
Family
ID=18300045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33652691A Expired - Fee Related JP3208812B2 (en) | 1991-12-19 | 1991-12-19 | Speaker device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3208812B2 (en) |
-
1991
- 1991-12-19 JP JP33652691A patent/JP3208812B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05168083A (en) | 1993-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5825900A (en) | Loudspeaker housing for video display appliance | |
| US7298862B2 (en) | Asymmetrical loudspeaker enclosures with enhanced low frequency response | |
| JPH10313495A (en) | Acoustic device | |
| US6335974B1 (en) | Speaker system for television receiver with sound ducts and perforated panels | |
| GB2270606A (en) | Loudspeaker with radially asymmetric "phase plug" | |
| US5099948A (en) | Compact woofer speaker system | |
| JP3208812B2 (en) | Speaker device | |
| JP3271971B2 (en) | Speaker device for television receiver | |
| JP3161103B2 (en) | Loudspeaker device and television receiver using the same | |
| JPH1066184A (en) | Speaker system | |
| JP4043539B2 (en) | Manufacturing method of speaker device | |
| JP3552314B2 (en) | Speaker device | |
| JP3435776B2 (en) | Speaker device | |
| CN215581676U (en) | Anti-disturbance people collecting sound gathering sound system used in school playground | |
| JPH04326699A (en) | Speaker device and television receiver using this device | |
| JPH05191758A (en) | Speaker equipment in transmission type video projection | |
| JP3123103B2 (en) | Speaker device | |
| JP3271351B2 (en) | Loudspeaker device and television receiver using the same | |
| JPH0728457B2 (en) | Speaker device and television receiver using the same | |
| JPH1132387A (en) | Speaker system | |
| JPH0732506B2 (en) | Speaker device and television receiver using the same | |
| JPH0837692A (en) | Speaker device and television receiver using the device | |
| JP3158577B2 (en) | Loudspeaker device and television receiver using the same | |
| JP3351012B2 (en) | Speaker device | |
| JP3331657B2 (en) | Loudspeaker device and television receiver using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |