JPS625518B2 - - Google Patents
Info
- Publication number
- JPS625518B2 JPS625518B2 JP1414880A JP1414880A JPS625518B2 JP S625518 B2 JPS625518 B2 JP S625518B2 JP 1414880 A JP1414880 A JP 1414880A JP 1414880 A JP1414880 A JP 1414880A JP S625518 B2 JPS625518 B2 JP S625518B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- base fabric
- speaker
- silicon carbide
- speaker diaphragm
- 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
- 239000004744 fabric Substances 0.000 claims description 12
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 10
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 229920003257 polycarbosilane Polymers 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000010000 carbonizing Methods 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 239000011888 foil Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052790 beryllium Inorganic materials 0.000 description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium 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 |
|---|---|---|---|
| JP1414880A JPS56111397A (en) | 1980-02-06 | 1980-02-06 | Preparation of diaphragm for speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1414880A JPS56111397A (en) | 1980-02-06 | 1980-02-06 | Preparation of diaphragm for speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56111397A JPS56111397A (en) | 1981-09-03 |
| JPS625518B2 true JPS625518B2 (enrdf_load_stackoverflow) | 1987-02-05 |
Family
ID=11853058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1414880A Granted JPS56111397A (en) | 1980-02-06 | 1980-02-06 | Preparation of diaphragm for speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56111397A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1080551B (it) * | 1976-02-23 | 1985-05-16 | Velsicol Chemical Corp | Appretti ritardatori di fiamma duraturi per materiali tessili |
| JPH0632559B2 (ja) * | 1983-04-08 | 1994-04-27 | 財団法人特殊無機材料研究所 | スピーカ振動構造体の製造方法 |
-
1980
- 1980-02-06 JP JP1414880A patent/JPS56111397A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56111397A (en) | 1981-09-03 |
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