JPH0573118B2 - - Google Patents
Info
- Publication number
- JPH0573118B2 JPH0573118B2 JP23187084A JP23187084A JPH0573118B2 JP H0573118 B2 JPH0573118 B2 JP H0573118B2 JP 23187084 A JP23187084 A JP 23187084A JP 23187084 A JP23187084 A JP 23187084A JP H0573118 B2 JPH0573118 B2 JP H0573118B2
- Authority
- JP
- Japan
- Prior art keywords
- carbon fiber
- diaphragm
- fiber
- fiber length
- vibrating member
- 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 - Lifetime
Links
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 37
- 239000004917 carbon fiber Substances 0.000 claims description 37
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 33
- 239000000835 fiber Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 9
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 9
- 239000000178 monomer Substances 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims description 5
- 239000002131 composite material Substances 0.000 description 16
- 238000000465 moulding Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 229920003319 Araldite® Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23187084A JPS61210796A (ja) | 1984-11-02 | 1984-11-02 | 電気音響変換器用振動部材 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23187084A JPS61210796A (ja) | 1984-11-02 | 1984-11-02 | 電気音響変換器用振動部材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61210796A JPS61210796A (ja) | 1986-09-18 |
| JPH0573118B2 true JPH0573118B2 (en]) | 1993-10-13 |
Family
ID=16930307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23187084A Granted JPS61210796A (ja) | 1984-11-02 | 1984-11-02 | 電気音響変換器用振動部材 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61210796A (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6097829A (en) * | 1995-04-06 | 2000-08-01 | Precision Power, Inc. | Fiber-honeycomb-fiber sandwich speaker diaphragm and method |
| US5701359A (en) * | 1995-04-06 | 1997-12-23 | Precision Power | Flat-panel speaker |
| CN110561847B (zh) * | 2019-08-02 | 2022-04-05 | 歌尔股份有限公司 | 一种振动板以及发声装置 |
-
1984
- 1984-11-02 JP JP23187084A patent/JPS61210796A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61210796A (ja) | 1986-09-18 |
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