JPS6230388Y2 - - Google Patents
Info
- Publication number
- JPS6230388Y2 JPS6230388Y2 JP1300879U JP1300879U JPS6230388Y2 JP S6230388 Y2 JPS6230388 Y2 JP S6230388Y2 JP 1300879 U JP1300879 U JP 1300879U JP 1300879 U JP1300879 U JP 1300879U JP S6230388 Y2 JPS6230388 Y2 JP S6230388Y2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- speaker
- core material
- polyarylate resin
- flat
- 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.)
- Expired
Links
- 239000011162 core material Substances 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 229920001230 polyarylate Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 4
- 238000007666 vacuum forming Methods 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004794 expanded polystyrene Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229920008651 Crystalline Polyethylene terephthalate Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1300879U JPS6230388Y2 (en]) | 1979-02-02 | 1979-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1300879U JPS6230388Y2 (en]) | 1979-02-02 | 1979-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55112994U JPS55112994U (en]) | 1980-08-08 |
| JPS6230388Y2 true JPS6230388Y2 (en]) | 1987-08-04 |
Family
ID=28830307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1300879U Expired JPS6230388Y2 (en]) | 1979-02-02 | 1979-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6230388Y2 (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57203397A (en) * | 1981-06-10 | 1982-12-13 | Matsushita Electric Ind Co Ltd | Speaker diaphragm |
| JPS58182399A (ja) * | 1982-04-19 | 1983-10-25 | Matsushita Electric Ind Co Ltd | スピ−カ用振動板 |
| JP5327170B2 (ja) * | 2009-12-02 | 2013-10-30 | 株式会社Ｊｖｃケンウッド | スピーカ用振動板及びスピーカ |
-
1979
- 1979-02-02 JP JP1300879U patent/JPS6230388Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55112994U (en]) | 1980-08-08 |
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