JPS6359494U - - Google Patents
Info
- Publication number
- JPS6359494U JPS6359494U JP15514386U JP15514386U JPS6359494U JP S6359494 U JPS6359494 U JP S6359494U JP 15514386 U JP15514386 U JP 15514386U JP 15514386 U JP15514386 U JP 15514386U JP S6359494 U JPS6359494 U JP S6359494U
- Authority
- JP
- Japan
- Prior art keywords
- surface density
- diaphragm
- main body
- pyramid
- regions
- 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 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案に係る振動板の断面斜視図、第
２図は実施例角形スピーカの断面図、第３図は従
来例の角形振動板の断面斜視図、第４図は従来例
の断面図、第５図は実施例（実線で表示）と従来
例（点線で表示）の周波数特性図である。
１は振動板本体、２はエツジ部である。
Fig. 1 is a cross-sectional perspective view of a diaphragm according to the present invention, Fig. 2 is a cross-sectional view of an embodiment of a rectangular speaker, Fig. 3 is a cross-sectional perspective view of a conventional rectangular diaphragm, and Fig. 4 is a cross-sectional view of a conventional example. 5 are frequency characteristic diagrams of the embodiment (indicated by a solid line) and the conventional example (indicated by a dotted line). 1 is a diaphragm main body, and 2 is an edge portion.
Claims (1)
から中心寄りの部位１ａの面密度をその他の部位
１ｂの面密度の大略１．５倍以上とした振動板を
有することを特徴とする角形スピーカ。 A square speaker characterized by having a diaphragm having a surface density in a region 1a near the center of the generating line of a pyramid-shaped diaphragm main body 1 that is approximately 1.5 times or more as much as the surface density in other regions 1b. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15514386U JPS6359494U (en) | 1986-10-08 | 1986-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15514386U JPS6359494U (en) | 1986-10-08 | 1986-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6359494U true JPS6359494U (en) | 1988-04-20 |
Family
ID=31075583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15514386U Pending JPS6359494U (en) | 1986-10-08 | 1986-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6359494U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5285494A (en) * | 1976-01-09 | 1977-07-15 | Murata Manufacturing Co | Piezooelectric sound generator |
| JPS59139800A (en) * | 1984-01-13 | 1984-08-10 | Matsushita Electric Ind Co Ltd | Piezoelectric speaker |
-
1986
- 1986-10-08 JP JP15514386U patent/JPS6359494U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5285494A (en) * | 1976-01-09 | 1977-07-15 | Murata Manufacturing Co | Piezooelectric sound generator |
| JPS59139800A (en) * | 1984-01-13 | 1984-08-10 | Matsushita Electric Ind Co Ltd | Piezoelectric speaker |
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