JPH0247892U - - Google Patents
Info
- Publication number
- JPH0247892U JPH0247892U JP12562988U JP12562988U JPH0247892U JP H0247892 U JPH0247892 U JP H0247892U JP 12562988 U JP12562988 U JP 12562988U JP 12562988 U JP12562988 U JP 12562988U JP H0247892 U JPH0247892 U JP H0247892U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic device
- driven
- tube port
- resonator
- vibrator
- 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
- 230000035699 permeability Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000011162 core material Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
第１図は、この考案の実施例の音響装置の基本
構成の説明図、第２図は、第１図の音響装置から
放射される音響の音圧の周波数特性図、第３図ａ
，ｂは、第１の実施例の斜視図および要部拡大断
面図、第４図ａ，ｂは、第２の実施例の斜視図お
よび要部拡大断面図、第５図ａ，ｂは、第３の実
施例の斜視図および要部拡大断面図、第６図ａ，
ｂは、従来のバスレフ形スピーカシステムの構成
を示す斜視図および断面図、第７図は、第６図の
スピーカシステムの音圧特性の説明図、第８図は
、本出願人の先願に係る音響装置の基本構成図、
そして第９図ａ，ｂは、従来の音響装置の要部拡
大断面図である。
１：キヤビネツト、４：振動器、６：開口管ポ
ート、９：装飾ネツト、３０：振動器駆動装置、
３１：サーボ部、６１：フエルト製内筒（芯材）
、６２，６３：ゴム製外筒、６４：外筒間間隙（
フエルト露出部）、９１：孔部。
Fig. 1 is an explanatory diagram of the basic configuration of the acoustic device according to the embodiment of this invention, Fig. 2 is a frequency characteristic diagram of the sound pressure of the sound emitted from the acoustic device of Fig. 1, and Fig. 3 a
, b are a perspective view and an enlarged sectional view of the main part of the first embodiment, FIGS. 4a and 4b are a perspective view and an enlarged sectional view of the main part of the second embodiment, and FIGS. 5a and b are A perspective view and an enlarged sectional view of the main parts of the third embodiment, Fig. 6a,
b is a perspective view and a cross-sectional view showing the configuration of a conventional bass reflex speaker system, FIG. 7 is an explanatory diagram of the sound pressure characteristics of the speaker system of FIG. 6, and FIG. A basic configuration diagram of such an audio device,
FIGS. 9a and 9b are enlarged sectional views of essential parts of a conventional acoustic device. 1: Cabinet, 4: Vibrator, 6: Open pipe port, 9: Decorative net, 30: Vibrator drive device,
31: Servo part, 61: Felt inner cylinder (core material)
, 62, 63: Rubber outer cylinder, 64: Gap between outer cylinders (
(Felt exposed part), 91: Hole.
Claims (1)
に振動器を取り付けて駆動し、該開口管ポートか
ら共鳴音響を放射するようにした音響装置におい
て、 該音響装置の前面に取り付ける装飾ネツトは、
前記開口管ポートの開口部に対応するネツト部分
の大気流通性を他のネツト部分に較べて大に構成
したことを特徴とする音響装置。 (2) 前記振動器は、前記共鳴器駆動時に該共鳴
器側からの大気反作用を打ち消すように電気的サ
ーボを施されて駆動されるものである請求項１記
載の音響装置。[Claims for Utility Model Registration] (1) In an acoustic device in which a vibrator is attached to a Helmholtz resonator having an open tube port and is driven to radiate resonant sound from the open tube port, the front surface of the acoustic device The decorative net attached to
An acoustic device characterized in that a net portion corresponding to the opening of the aperture tube port has greater atmospheric permeability than other net portions. (2) The acoustic device according to claim 1, wherein the vibrator is driven by electrical servo so as to cancel out an atmospheric reaction from the resonator side when the resonator is driven.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12562988U JPH0727751Y2 (en) | 1988-09-28 | 1988-09-28 | Audio equipment |
| EP19890117860 EP0361445A3 (en) | 1988-09-28 | 1989-09-27 | Acoustic apparatus |
| US07/413,381 US5109422A (en) | 1988-09-28 | 1989-09-27 | Acoustic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12562988U JPH0727751Y2 (en) | 1988-09-28 | 1988-09-28 | Audio equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0247892U true JPH0247892U (en) | 1990-04-03 |
| JPH0727751Y2 JPH0727751Y2 (en) | 1995-06-21 |
Family
ID=31376404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12562988U Expired - Lifetime JPH0727751Y2 (en) | 1988-09-28 | 1988-09-28 | Audio equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727751Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017212606A (en) * | 2016-05-25 | 2017-11-30 | ヤマハ株式会社 | Bass reflex port and acoustic device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010177833A (en) * | 2009-01-28 | 2010-08-12 | Mitsubishi Electric Corp | Speaker system and television receiver with the same |
-
1988
- 1988-09-28 JP JP12562988U patent/JPH0727751Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017212606A (en) * | 2016-05-25 | 2017-11-30 | ヤマハ株式会社 | Bass reflex port and acoustic device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727751Y2 (en) | 1995-06-21 |
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