JPH03103687U - - Google Patents

Info

Publication number
JPH03103687U
JPH03103687U JP1120190U JP1120190U JPH03103687U JP H03103687 U JPH03103687 U JP H03103687U JP 1120190 U JP1120190 U JP 1120190U JP 1120190 U JP1120190 U JP 1120190U JP H03103687 U JPH03103687 U JP H03103687U
Authority
JP
Japan
Prior art keywords
box
speaker
height
sound absorbing
absorbing material
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.)
Pending
Application number
JP1120190U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1120190U priority Critical patent/JPH03103687U/ja
Publication of JPH03103687U publication Critical patent/JPH03103687U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ａ〜第３図ｂは本考案の実施例を示す。
第１図ａ，ｂは、本考案の第一次定在波に対する
実施例で、第１図ａはボツクス内部の透視図、第
１図ｂは音圧周波数特性図、第２図ａ，ｂは、本
考案の第二次定在波に対する実施例で、第２図ａ
はボツクス内部の透視図、第２図ｂは音圧周波数
特性図、第３図ａは本考案の球形吸音材の実施例
のボツクス内部の透視図、第３図ｂは音圧周波数
特性図、第４図ａ，ｂは従来例を示す図で、吸音
材の無い場合のボツクスの内部透視図と音圧周波
数特性図である。 図中、１……ボツクス、２，２ａ，２ｂ……そ
れぞれ吸音材、２ｃ……球形の吸音材、３……ス
ピーカである。 Figures 1a to 3b show embodiments of the invention.
Figures 1a and b show an embodiment of the present invention for a first-order standing wave. Figure 1a is a perspective view of the inside of the box, Figure 1b is a sound pressure frequency characteristic diagram, and Figures 2a and b are is an example of the second-order standing wave of the present invention, and Fig. 2 a
is a perspective view of the inside of the box, FIG. 2b is a sound pressure frequency characteristic diagram, FIG. 3a is a perspective view of the inside of the box of an embodiment of the spherical sound absorbing material of the present invention, and FIG. FIGS. 4a and 4b are diagrams showing a conventional example, and are a perspective view of the inside of the box and a sound pressure frequency characteristic diagram without sound absorbing material. In the figure, 1...box, 2, 2a, 2b...each sound absorbing material, 2c...spherical sound absorbing material, 3...speaker.

Claims (1)

【実用新案登録請求の範囲】 ボツクス１内部の低次の定在波の発生する部
位に、ボツクス１内法高さ及び奥行の各1/2の寸
法の吸着材２を配設したことを特徴とするスピー
カボツクス。 吸音材２が、平板状２ａ，２ｂで、水平部２
ａはボツクス１内法の1/2高さで後方に、垂直部
２ｂはボツクス１前後内法の1/2の位置に、それ
ぞれ配置してある請求項に記載のスピーカボツ
クス。 吸音材２が、ボツクス１内部の最低次の定在
波の波長の1/2の直径の球状のもの２ｃを、スピ
ーカ３の後方に固着して配設したものであるスピ
ーカボツクス。[Claims for Utility Model Registration] Featured in that an adsorbent material 2 having a dimension of 1/2 of the internal height and depth of the box 1 is disposed in the area where low-order standing waves are generated inside the box 1. and speaker boxes. The sound absorbing material 2 has a flat plate shape 2a, 2b, and has a horizontal portion 2.
2. The speaker box according to claim 1, wherein a is located at the rear at a height of 1/2 of the inner height of the box 1, and the vertical portion 2b is located at a position of 1/2 of the inner height of the box 1. A speaker box in which the sound absorbing material 2 is a spherical material 2c having a diameter half the wavelength of the lowest order standing wave inside the box 1, and is fixedly disposed behind the speaker 3.
JP1120190U 1990-02-07 1990-02-07 Pending JPH03103687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1120190U JPH03103687U (en) 1990-02-07 1990-02-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1120190U JPH03103687U (en) 1990-02-07 1990-02-07

Publications (1)

Publication Number Publication Date
JPH03103687U true JPH03103687U (en) 1991-10-28

Family

ID=31514736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1120190U Pending JPH03103687U (en) 1990-02-07 1990-02-07

Country Status (1)

Country Link
JP (1) JPH03103687U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010242235A (en) * 2009-04-02 2010-10-28 Knitido Kk Sock at part of which tightening part is formed, and method for making the same
JP2019186879A (en) * 2018-04-17 2019-10-24 ヤマハ株式会社 Cabinet for speaker, standing wave suppression device, and speaker system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58190652A (en) * 1982-04-30 1983-11-07 Sanyo Electric Co Ltd Solar heat collector
JPH01231498A (en) * 1988-03-11 1989-09-14 Hitachi Ltd Speaker system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58190652A (en) * 1982-04-30 1983-11-07 Sanyo Electric Co Ltd Solar heat collector
JPH01231498A (en) * 1988-03-11 1989-09-14 Hitachi Ltd Speaker system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010242235A (en) * 2009-04-02 2010-10-28 Knitido Kk Sock at part of which tightening part is formed, and method for making the same
JP2019186879A (en) * 2018-04-17 2019-10-24 ヤマハ株式会社 Cabinet for speaker, standing wave suppression device, and speaker system

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