JPH0156599B2 - - Google Patents
Info
- Publication number
- JPH0156599B2 JPH0156599B2 JP56129919A JP12991981A JPH0156599B2 JP H0156599 B2 JPH0156599 B2 JP H0156599B2 JP 56129919 A JP56129919 A JP 56129919A JP 12991981 A JP12991981 A JP 12991981A JP H0156599 B2 JPH0156599 B2 JP H0156599B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- aramid fibers
- flat
- speaker
- long axis
- 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
- 229920006231 aramid fiber Polymers 0.000 claims description 27
- 239000004760 aramid Substances 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000012779 reinforcing material Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 229920001131 Pulp (paper) Polymers 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
- 230000000704 physical effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- -1 polyethylene Polymers 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920003369 Kevlar® 49 Polymers 0.000 description 1
- 229920002600 TPX™ Polymers 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 |
|---|---|---|---|
| JP12991981A JPS5831695A (ja) | 1981-08-19 | 1981-08-19 | スピ−カ用振動板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12991981A JPS5831695A (ja) | 1981-08-19 | 1981-08-19 | スピ−カ用振動板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5831695A JPS5831695A (ja) | 1983-02-24 |
| JPH0156599B2 true JPH0156599B2 (zh) | 1989-11-30 |
Family
ID=15021639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12991981A Granted JPS5831695A (ja) | 1981-08-19 | 1981-08-19 | スピ−カ用振動板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5831695A (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4720583B2 (ja) * | 2005-04-20 | 2011-07-13 | パナソニック株式会社 | スピーカ用振動板の製造方法 |
| JP2006325190A (ja) * | 2005-04-20 | 2006-11-30 | Matsushita Electric Ind Co Ltd | スピーカ用振動板とその製造方法、この振動板を用いたスピーカおよびこのスピーカを用いた機器 |
| JP6312122B2 (ja) * | 2013-11-13 | 2018-04-18 | 国立研究開発法人産業技術総合研究所 | 木質系材料からなる音響用振動板 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5443890A (en) * | 1977-09-12 | 1979-04-06 | Texaco Development Corp | Surfactant |
| JPS5621499A (en) * | 1979-07-31 | 1981-02-27 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
| JPS5626199A (en) * | 1979-08-10 | 1981-03-13 | Fujirebio Inc | Determination of minor constituent contained in serum or urine |
| JPS5658394A (en) * | 1979-10-19 | 1981-05-21 | Matsushita Electric Ind Co Ltd | Diaphragm plate for speaker |
-
1981
- 1981-08-19 JP JP12991981A patent/JPS5831695A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5443890A (en) * | 1977-09-12 | 1979-04-06 | Texaco Development Corp | Surfactant |
| JPS5621499A (en) * | 1979-07-31 | 1981-02-27 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
| JPS5626199A (en) * | 1979-08-10 | 1981-03-13 | Fujirebio Inc | Determination of minor constituent contained in serum or urine |
| JPS5658394A (en) * | 1979-10-19 | 1981-05-21 | Matsushita Electric Ind Co Ltd | Diaphragm plate for speaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5831695A (ja) | 1983-02-24 |
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