JPS643293U - - Google Patents
Info
- Publication number
- JPS643293U JPS643293U JP9558587U JP9558587U JPS643293U JP S643293 U JPS643293 U JP S643293U JP 9558587 U JP9558587 U JP 9558587U JP 9558587 U JP9558587 U JP 9558587U JP S643293 U JPS643293 U JP S643293U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- duct
- communicates
- bass reflex
- headphone
- 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
- 230000011514 reflex Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
Description
第１図はこの考案の一実施例の縦断面図、第２
図は第１図の部分正面図、第３図はこの考案の一
実施例の音圧−周波数特性を示すグラフ、第４図
は従来例の第１図対応図である。
１０１……イコライザー、１０２……振動板、
１０３……エツジ、１０４……ボイスコイル、１
０５……トツププレート、１０６……マグネツト
、１０７……ヨーク、１０８……フレーム、１０
９……孔、１１０……サポータ、１１１……ダク
ト、１１２……ガイド板、１１３……スライド弁
、１１４……調整ツマミ。
Figure 1 is a vertical sectional view of one embodiment of this invention, Figure 2
This figure is a partial front view of FIG. 1, FIG. 3 is a graph showing the sound pressure-frequency characteristics of an embodiment of this invention, and FIG. 4 is a diagram corresponding to FIG. 1 of the conventional example. 101...Equalizer, 102...Diaphragm,
103...Edge, 104...Voice coil, 1
05...Top plate, 106...Magnet, 107...Yoke, 108...Frame, 10
9...hole, 110...supporter, 111...duct, 112...guide plate, 113...slide valve, 114...adjustment knob.
Claims (1)
を有し、振動板の背面の空気振動を前面に伝達す
るよう構成したバスレフ型ヘツドホンにおいて、 ダクトの連通する前面開口部に、開口面積を調
整する調整弁を設けたことを特徴とするバスレフ
型ヘツドホン。[Scope of Claim for Utility Model Registration] In a bass reflex headphone that has a duct that communicates from the back of the diaphragm to the front opening and is configured to transmit air vibrations from the back of the diaphragm to the front, the front opening through which the duct communicates. A bass reflex type headphone characterized by having a regulating valve for adjusting the opening area in the section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9558587U JPS643293U (en) | 1987-06-22 | 1987-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9558587U JPS643293U (en) | 1987-06-22 | 1987-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643293U true JPS643293U (en) | 1989-01-10 |
Family
ID=31320266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9558587U Pending JPS643293U (en) | 1987-06-22 | 1987-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643293U (en) |
-
1987
- 1987-06-22 JP JP9558587U patent/JPS643293U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0644838B2 (en) | Speaker device | |
| JPS6228157Y2 (en) | ||
| JPS643293U (en) | ||
| JPS6035350Y2 (en) | Horizontal omnidirectional cone speaker | |
| JPS5819902Y2 (en) | Equalizer for speakers | |
| KR790002176Y1 (en) | Air pressure control device for ear-phone | |
| JPS6411091U (en) | ||
| JPH01149191U (en) | ||
| JPS62193392U (en) | ||
| JPS62143398U (en) | ||
| JPS6038078B2 (en) | speaker | |
| KR860001871Y1 (en) | Car Speaker Unit | |
| US1696949A (en) | Disk for sound boxes | |
| JPH01171196U (en) | ||
| JPS6056039B2 (en) | speaker | |
| JPS5853831Y2 (en) | speaker | |
| JPS5852787Y2 (en) | Variable reverberation microphone device | |
| JPH0623112Y2 (en) | Headphone sound quality adjustment device | |
| JPH079499Y2 (en) | Experience-type super woofer | |
| JPS63183800U (en) | ||
| JPS63290497A (en) | speaker | |
| JPS5978791U (en) | bathroom speaker box | |
| JPS6181295U (en) | ||
| JPS6178495U (en) | ||
| JPS5829297A (en) | Closed speaker |