JPS5970400A - スピ−カ用振動板 - Google Patents
スピ−カ用振動板Info
- Publication number
- JPS5970400A JPS5970400A JP18170682A JP18170682A JPS5970400A JP S5970400 A JPS5970400 A JP S5970400A JP 18170682 A JP18170682 A JP 18170682A JP 18170682 A JP18170682 A JP 18170682A JP S5970400 A JPS5970400 A JP S5970400A
- Authority
- JP
- Japan
- Prior art keywords
- aluminum oxide
- sheet
- diaphragm
- thickness
- polyvinyl alcohol
- 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
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 22
- 239000011162 core material Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 9
- 239000004698 Polyethylene Substances 0.000 abstract description 2
- -1 polyethylene Polymers 0.000 abstract description 2
- 229920000573 polyethylene Polymers 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand 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)
- Laminated Bodies (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18170682A JPS5970400A (ja) | 1982-10-15 | 1982-10-15 | スピ−カ用振動板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18170682A JPS5970400A (ja) | 1982-10-15 | 1982-10-15 | スピ−カ用振動板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5970400A true JPS5970400A (ja) | 1984-04-20 |
| JPH0454440B2 JPH0454440B2 (enrdf_load_stackoverflow) | 1992-08-31 |
Family
ID=16105428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18170682A Granted JPS5970400A (ja) | 1982-10-15 | 1982-10-15 | スピ−カ用振動板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5970400A (enrdf_load_stackoverflow) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647849A (en) * | 1979-09-25 | 1981-04-30 | Canon Inc | Terminal control equipment |
| JPS5669994A (en) * | 1979-11-09 | 1981-06-11 | Tdk Corp | Diaphragm for audio loudspeaker |
-
1982
- 1982-10-15 JP JP18170682A patent/JPS5970400A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647849A (en) * | 1979-09-25 | 1981-04-30 | Canon Inc | Terminal control equipment |
| JPS5669994A (en) * | 1979-11-09 | 1981-06-11 | Tdk Corp | Diaphragm for audio loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0454440B2 (enrdf_load_stackoverflow) | 1992-08-31 |
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