JPH02116189U - - Google Patents
Info
- Publication number
- JPH02116189U JPH02116189U JP2194789U JP2194789U JPH02116189U JP H02116189 U JPH02116189 U JP H02116189U JP 2194789 U JP2194789 U JP 2194789U JP 2194789 U JP2194789 U JP 2194789U JP H02116189 U JPH02116189 U JP H02116189U
- Authority
- JP
- Japan
- Prior art keywords
- port
- speaker
- inverting
- phase
- enclosure
- 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
Links
- 238000010586 diagram Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Description
第１Ａ図は本考案の原理構成を示す断面図、第
１Ｂ図は第１Ａ図の矢視Ｂからの正面図、第２図
は本考案の一実施例を示す断面図、第３図は本考
案の他の実施例を示す断面図、第４図は第２図お
よび第３図の矢視Ｂからの正面図、第５図はフラ
ンジ２４による開口端２１−１の空気の流れを説
明する図、第６図は従来の位相反転用スピーカの
断面図、第７図は位相反転用スピーカの周波数特
性を示す図、第８図はポートの開口端２１−１に
おける空気の流れを説明する図である。
図において、１，２１……ポート、１−１，１
−２，２１−１，２１−２……ポート開口端、２
，２２……エンクロージヤ、３，２３……位相反
転用スピーカ、４，２４……フランジ、２５……
円筒部、２６……スピーカ、２７……ケーブル、
２８……吸音材、２９……空間部。
Fig. 1A is a cross-sectional view showing the principle structure of the present invention, Fig. 1B is a front view taken from arrow B in Fig. 1A, Fig. 2 is a cross-sectional view showing an embodiment of the present invention, and Fig. 3 is a cross-sectional view of the present invention. A sectional view showing another embodiment of the invention, FIG. 4 is a front view taken from arrow B in FIGS. 2 and 3, and FIG. 5 explains the flow of air at the open end 21-1 by the flange 24. 6 is a cross-sectional view of a conventional phase-inverting speaker, FIG. 7 is a diagram showing the frequency characteristics of the phase-inverting speaker, and FIG. 8 is a diagram explaining the air flow at the open end 21-1 of the port. It is. In the figure, 1, 21... port, 1-1, 1
-2, 21-1, 21-2... Port opening end, 2
, 22... Enclosure, 3, 23... Phase inversion speaker, 4, 24... Flange, 25...
Cylindrical part, 26... Speaker, 27... Cable,
28...Sound absorbing material, 29...Space part.
Claims (1)
２に設けられた位相反転スピーカ用ポートにおい
て、 ポート１の両開口端のうちエンクロージヤ２の
内側にある開口端１−１に、少なくともその近傍
で、該開口端１−１より、前記ポート１に対しほ
ゞ直角に伸張する平板状のフランジ４を設けたこ
とを特徴とする位相反転スピーカ用ポート。[Claims for Utility Model Registration] In the phase-inverting speaker port provided in the enclosure 2 constituting the phase-inverting speaker 3, the opening end 1-1 on the inside of the enclosure 2 out of both open ends of the port 1. A port for a phase-inverting speaker, characterized in that a flat flange 4 extending from the opening end 1-1 substantially perpendicularly to the port 1 is provided at least in the vicinity thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194789U JPH02116189U (en) | 1989-03-01 | 1989-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194789U JPH02116189U (en) | 1989-03-01 | 1989-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116189U true JPH02116189U (en) | 1990-09-18 |
Family
ID=31239626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2194789U Pending JPH02116189U (en) | 1989-03-01 | 1989-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019169886A (en) * | 2018-03-23 | 2019-10-03 | ヤマハ株式会社 | Bass reflex port and bass reflex type speaker |
-
1989
- 1989-03-01 JP JP2194789U patent/JPH02116189U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019169886A (en) * | 2018-03-23 | 2019-10-03 | ヤマハ株式会社 | Bass reflex port and bass reflex type speaker |