JPH0435959B2 - - Google Patents
Info
- Publication number
- JPH0435959B2 JPH0435959B2 JP12638682A JP12638682A JPH0435959B2 JP H0435959 B2 JPH0435959 B2 JP H0435959B2 JP 12638682 A JP12638682 A JP 12638682A JP 12638682 A JP12638682 A JP 12638682A JP H0435959 B2 JPH0435959 B2 JP H0435959B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- honeycomb
- foam
- surface material
- glass foam
- 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
- 239000006260 foam Substances 0.000 claims description 16
- 239000005357 flat glass Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 239000011521 glass Substances 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 239000011162 core material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 238000003825 pressing 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
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 |
|---|---|---|---|
| JP12638682A JPS5916494A (ja) | 1982-07-19 | 1982-07-19 | スピ−カ用振動板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12638682A JPS5916494A (ja) | 1982-07-19 | 1982-07-19 | スピ−カ用振動板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5916494A JPS5916494A (ja) | 1984-01-27 |
| JPH0435959B2 true JPH0435959B2 (en]) | 1992-06-12 |
Family
ID=14933855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12638682A Granted JPS5916494A (ja) | 1982-07-19 | 1982-07-19 | スピ−カ用振動板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916494A (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1841280A1 (en) * | 2006-03-29 | 2007-10-03 | THOMSON Licensing | Loudspeaker diaphragm |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437722A (en) * | 1977-08-30 | 1979-03-20 | Matsushita Electric Ind Co Ltd | Diaphragm for speakers |
| JPS54105525A (en) * | 1978-02-06 | 1979-08-18 | Matsushita Electric Ind Co Ltd | Diaphragm for speakers |
| JPS54134619A (en) * | 1978-04-12 | 1979-10-19 | Hitachi Ltd | Compound type diaphragm |
-
1982
- 1982-07-19 JP JP12638682A patent/JPS5916494A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5916494A (ja) | 1984-01-27 |
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