JPS58138493U - Speaker sound quality variable device - Google Patents
Speaker sound quality variable deviceInfo
- Publication number
- JPS58138493U JPS58138493U JP3538982U JP3538982U JPS58138493U JP S58138493 U JPS58138493 U JP S58138493U JP 3538982 U JP3538982 U JP 3538982U JP 3538982 U JP3538982 U JP 3538982U JP S58138493 U JPS58138493 U JP S58138493U
- Authority
- JP
- Japan
- Prior art keywords
- sound quality
- variable device
- quality variable
- speaker sound
- speaker
- 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
Landscapes
- Headphones And Earphones (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図、第２図は従来の装置を説明するための原理的な
回路図とその周波数特性曲線を示す図、第３図、第４図
は本考案のスピーカの音質可変装置の第１実施例を孝子
縦断面図と背面図、第５図 ′は第１実施例の電気
的等価回路図、第６図Ａ、 Ｂは第１実施例の周波数特
性曲線を示す図、第７図、第８図は本考案の第２実施例
を示す縦断面図と背面図、第９図、第１０図、第１１図
は本考案の第３実施例を示す縦断面図、横断面図と背面
図である。
なお図中に使用されている符号のうち、３・・・・・・
ドライバーユニット、５Ａ・・・・・・空間、６・・・
・・・受動振動膜、７・・・・・・トーンコントロール
具である。Fig. 1 and Fig. 2 are diagrams showing the principle circuit diagram and its frequency characteristic curve for explaining the conventional device, and Fig. 3 and Fig. 4 are the first embodiment of the speaker sound quality variable device of the present invention. Examples are Takako's vertical sectional view and back view, Figure 5' is an electrical equivalent circuit diagram of the first embodiment, Figures 6A and B are diagrams showing frequency characteristic curves of the first embodiment, and Figures 7 and 7 are diagrams showing frequency characteristic curves of the first embodiment. Figure 8 is a vertical cross-sectional view and rear view showing a second embodiment of the present invention, and Figures 9, 10, and 11 are longitudinal cross-sectional views, cross-sectional views, and rear views showing a third embodiment of the present invention. It is. Of the symbols used in the figure, 3...
Driver unit, 5A...Space, 6...
. . . Passive vibration membrane, 7 . . . Tone control tool.
Claims (1)
間に空間を形成するべく受動振動膜を設けるとともに９
、この受動振動膜にその振動膜の展張力あるいは実質的
振動面積もしくは両者を変えることが可能な機構を設け
であることを特徴とするスピーカの音質可変装置。A passive vibrating membrane is provided on the back side of the active vibrating body of the speaker to form a space between the active vibrating body and the 9
A sound quality variable device for a speaker, characterized in that the passive diaphragm is provided with a mechanism capable of changing the tension, the substantial vibration area, or both of the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3538982U JPS58138493U (en) | 1982-03-12 | 1982-03-12 | Speaker sound quality variable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3538982U JPS58138493U (en) | 1982-03-12 | 1982-03-12 | Speaker sound quality variable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58138493U true JPS58138493U (en) | 1983-09-17 |
Family
ID=30046864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3538982U Pending JPS58138493U (en) | 1982-03-12 | 1982-03-12 | Speaker sound quality variable device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138493U (en) |
-
1982
- 1982-03-12 JP JP3538982U patent/JPS58138493U/en active Pending
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