JPH0375120B2 - - Google Patents
Info
- Publication number
- JPH0375120B2 JPH0375120B2 JP2323187A JP2323187A JPH0375120B2 JP H0375120 B2 JPH0375120 B2 JP H0375120B2 JP 2323187 A JP2323187 A JP 2323187A JP 2323187 A JP2323187 A JP 2323187A JP H0375120 B2 JPH0375120 B2 JP H0375120B2
- Authority
- JP
- Japan
- Prior art keywords
- thin wood
- wood
- fiber cloth
- diaphragm
- thin
- 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
- 239000002023 wood Substances 0.000 claims description 42
- 239000004744 fabric Substances 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 12
- 230000000052 comparative effect Effects 0.000 description 10
- 229920000049 Carbon (fiber) Polymers 0.000 description 9
- 239000004917 carbon fiber Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 9
- 229920006332 epoxy adhesive Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 4
- 239000002966 varnish Substances 0.000 description 4
- 241000218595 Picea sitchensis Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000190021 Zelkova Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2323187A JPS63190498A (ja) | 1987-02-02 | 1987-02-02 | スピ−カ用平面振動板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2323187A JPS63190498A (ja) | 1987-02-02 | 1987-02-02 | スピ−カ用平面振動板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63190498A JPS63190498A (ja) | 1988-08-08 |
| JPH0375120B2 true JPH0375120B2 (de) | 1991-11-29 |
Family
ID=12104846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2323187A Granted JPS63190498A (ja) | 1987-02-02 | 1987-02-02 | スピ−カ用平面振動板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63190498A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7845461B2 (en) * | 2007-08-10 | 2010-12-07 | Victor Company Of Japan, Limited | Acoustic diaphragm and speaker |
-
1987
- 1987-02-02 JP JP2323187A patent/JPS63190498A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63190498A (ja) | 1988-08-08 |
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