JPS5986994A - スピ−カ用振動板 - Google Patents
スピ−カ用振動板Info
- Publication number
- JPS5986994A JPS5986994A JP19697682A JP19697682A JPS5986994A JP S5986994 A JPS5986994 A JP S5986994A JP 19697682 A JP19697682 A JP 19697682A JP 19697682 A JP19697682 A JP 19697682A JP S5986994 A JPS5986994 A JP S5986994A
- Authority
- JP
- Japan
- Prior art keywords
- elastic modulus
- polymer
- mica
- forming property
- internal loss
- 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.)
- Granted
Links
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 18
- 229920000642 polymer Polymers 0.000 claims abstract description 16
- 239000010445 mica Substances 0.000 claims abstract description 15
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010439 graphite Substances 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 14
- 239000012779 reinforcing material Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- -1 olefin compound Chemical class 0.000 abstract description 14
- 230000009477 glass transition Effects 0.000 abstract description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 description 8
- 238000005452 bending Methods 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 239000002131 composite material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 150000001336 alkenes Chemical group 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- JMMZCWZIJXAGKW-UHFFFAOYSA-N 2-methylpent-2-ene Chemical compound CCC=C(C)C JMMZCWZIJXAGKW-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006112 polar polymer Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000007666 vacuum forming Methods 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/029—Diaphragms comprising fibres
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19697682A JPS5986994A (ja) | 1982-11-10 | 1982-11-10 | スピ−カ用振動板 |
| US06/471,456 US4471085A (en) | 1982-03-08 | 1983-03-02 | Diaphragm material for loudspeakers |
| GB08305863A GB2117389B (en) | 1982-03-08 | 1983-03-03 | Compositions for use in forming loudspeaker diaphragms |
| DE19833307946 DE3307946A1 (de) | 1982-03-08 | 1983-03-07 | Membranwerkstoff fuer lautsprecher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19697682A JPS5986994A (ja) | 1982-11-10 | 1982-11-10 | スピ−カ用振動板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5986994A true JPS5986994A (ja) | 1984-05-19 |
| JPH0251320B2 JPH0251320B2 (enrdf_load_stackoverflow) | 1990-11-07 |
Family
ID=16366765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19697682A Granted JPS5986994A (ja) | 1982-03-08 | 1982-11-10 | スピ−カ用振動板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5986994A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277460A (ja) * | 1987-12-22 | 1990-03-16 | Mitsui Petrochem Ind Ltd | ４−メチル−１−ペンテン系重合体組成物 |
| WO2002093972A3 (en) * | 2001-05-11 | 2003-10-30 | New Transducers Ltd | Acoustic member for a loudspeaker comprising a component having a selected frequency dependence and method of making same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583499A (ja) * | 1981-06-30 | 1983-01-10 | Kuraray Co Ltd | 音響振動板 |
-
1982
- 1982-11-10 JP JP19697682A patent/JPS5986994A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583499A (ja) * | 1981-06-30 | 1983-01-10 | Kuraray Co Ltd | 音響振動板 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277460A (ja) * | 1987-12-22 | 1990-03-16 | Mitsui Petrochem Ind Ltd | ４−メチル−１−ペンテン系重合体組成物 |
| WO2002093972A3 (en) * | 2001-05-11 | 2003-10-30 | New Transducers Ltd | Acoustic member for a loudspeaker comprising a component having a selected frequency dependence and method of making same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0251320B2 (enrdf_load_stackoverflow) | 1990-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
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| GB2240006A (en) | A process for preparing a substantially wholly carbonaceous diaphragm for use in acoustic equipment | |
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