JPS6359640B2 - - Google Patents
Info
- Publication number
- JPS6359640B2 JPS6359640B2 JP13829982A JP13829982A JPS6359640B2 JP S6359640 B2 JPS6359640 B2 JP S6359640B2 JP 13829982 A JP13829982 A JP 13829982A JP 13829982 A JP13829982 A JP 13829982A JP S6359640 B2 JPS6359640 B2 JP S6359640B2
- Authority
- JP
- Japan
- Prior art keywords
- honeycomb
- surface material
- polypropylene
- diaphragm
- core material
- 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
- 239000000463 material Substances 0.000 claims description 30
- 239000004743 Polypropylene Substances 0.000 claims description 19
- -1 polypropylene Polymers 0.000 claims description 19
- 229920001155 polypropylene Polymers 0.000 claims description 19
- 239000011162 core material Substances 0.000 claims description 15
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 13
- 239000004917 carbon fiber Substances 0.000 claims description 13
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 4
- 239000011151 fibre-reinforced plastic Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 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
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13829982A JPS5928798A (ja) | 1982-08-09 | 1982-08-09 | スピ−カ振動板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13829982A JPS5928798A (ja) | 1982-08-09 | 1982-08-09 | スピ−カ振動板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5928798A JPS5928798A (ja) | 1984-02-15 |
| JPS6359640B2 true JPS6359640B2 (zh) | 1988-11-21 |
Family
ID=15218629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13829982A Granted JPS5928798A (ja) | 1982-08-09 | 1982-08-09 | スピ−カ振動板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5928798A (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0427920U (zh) * | 1990-06-30 | 1992-03-05 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5701359A (en) * | 1995-04-06 | 1997-12-23 | Precision Power | Flat-panel speaker |
| EP0847659B1 (en) * | 1995-09-02 | 1999-03-10 | New Transducers Limited | Loudspeakers comprising panel-form acoustic radiating elements |
| US9332352B2 (en) | 2013-02-25 | 2016-05-03 | Apple Inc. | Audio speaker with sandwich-structured composite diaphragm |
-
1982
- 1982-08-09 JP JP13829982A patent/JPS5928798A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0427920U (zh) * | 1990-06-30 | 1992-03-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5928798A (ja) | 1984-02-15 |
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