JPH01137698U - - Google Patents
Info
- Publication number
- JPH01137698U JPH01137698U JP3278988U JP3278988U JPH01137698U JP H01137698 U JPH01137698 U JP H01137698U JP 3278988 U JP3278988 U JP 3278988U JP 3278988 U JP3278988 U JP 3278988U JP H01137698 U JPH01137698 U JP H01137698U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- grooves
- thin plate
- center
- audio equipment
- 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
- 239000000463 material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011162 core material Substances 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3278988U JPH01137698U (pl) | 1988-03-12 | 1988-03-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3278988U JPH01137698U (pl) | 1988-03-12 | 1988-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01137698U true JPH01137698U (pl) | 1989-09-20 |
Family
ID=31259364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3278988U Pending JPH01137698U (pl) | 1988-03-12 | 1988-03-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01137698U (pl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010100681A1 (ja) * | 2009-03-04 | 2010-09-10 | 三菱電機エンジニアリング株式会社 | 電磁変換器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS459353Y1 (pl) * | 1966-07-07 | 1970-05-01 | ||
JPS6150494A (ja) * | 1984-08-18 | 1986-03-12 | Matsushita Electric Ind Co Ltd | スピ−カ |
-
1988
- 1988-03-12 JP JP3278988U patent/JPH01137698U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS459353Y1 (pl) * | 1966-07-07 | 1970-05-01 | ||
JPS6150494A (ja) * | 1984-08-18 | 1986-03-12 | Matsushita Electric Ind Co Ltd | スピ−カ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010100681A1 (ja) * | 2009-03-04 | 2010-09-10 | 三菱電機エンジニアリング株式会社 | 電磁変換器 |