DE2743640C3 - Lautsprechermembran - Google Patents
LautsprechermembranInfo
- Publication number
- DE2743640C3 DE2743640C3 DE2743640A DE2743640A DE2743640C3 DE 2743640 C3 DE2743640 C3 DE 2743640C3 DE 2743640 A DE2743640 A DE 2743640A DE 2743640 A DE2743640 A DE 2743640A DE 2743640 C3 DE2743640 C3 DE 2743640C3
- Authority
- DE
- Germany
- Prior art keywords
- film
- membrane
- loudspeaker
- acid
- mixture
- 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
- 239000012528 membrane Substances 0.000 claims description 36
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 12
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical group OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 229920003002 synthetic resin Polymers 0.000 claims description 8
- 239000000057 synthetic resin Substances 0.000 claims description 8
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 230000001588 bifunctional effect Effects 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- 229920002799 BoPET Polymers 0.000 description 8
- 239000005041 Mylar™ Substances 0.000 description 8
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000012695 Interfacial polymerization Methods 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11811076A JPS5343515A (en) | 1976-09-30 | 1976-09-30 | Diaphragm for speaker |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2743640A1 DE2743640A1 (de) | 1978-04-06 |
| DE2743640B2 DE2743640B2 (de) | 1979-07-05 |
| DE2743640C3 true DE2743640C3 (de) | 1980-03-13 |
Family
ID=14728260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2743640A Expired DE2743640C3 (de) | 1976-09-30 | 1977-09-28 | Lautsprechermembran |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4173701A (enExample) |
| JP (1) | JPS5343515A (enExample) |
| CA (1) | CA1092746A (enExample) |
| DE (1) | DE2743640C3 (enExample) |
| GB (1) | GB1575549A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330662A (en) * | 1980-10-27 | 1982-05-18 | The Dow Chemical Company | Ordered copolyestercarbonate resins |
| JPS57199397A (en) * | 1981-06-01 | 1982-12-07 | Pioneer Electronic Corp | Diaphragm with flame resistance |
| JPS5871798A (ja) * | 1981-10-26 | 1983-04-28 | Sony Corp | ダイナミツク型ヘツドホン |
| US4487877A (en) * | 1981-12-07 | 1984-12-11 | Matsushita Electric Industrial Co., Ltd. | Diaphragm for loudspeaker |
| JPS5897999A (ja) * | 1981-12-07 | 1983-06-10 | Matsushita Electric Ind Co Ltd | スピ−カ用振動板 |
| DE3507726A1 (de) * | 1985-03-05 | 1986-09-11 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Membran fuer planarlautsprecher |
| US4903308A (en) * | 1988-02-10 | 1990-02-20 | Linaeum Corporation | Audio transducer with controlled flexibility diaphragm |
| US5198624A (en) * | 1988-02-10 | 1993-03-30 | Linaeum Corporation | Audio transducer with controlled flexibility diaphragm |
| DE3831706A1 (de) * | 1988-09-17 | 1990-03-22 | Bayer Ag | Membran fuer lautsprecher |
| KR100971638B1 (ko) * | 2002-06-28 | 2010-07-22 | 로포 하이 테크 필름 게엠베하 | 주조 폴리아릴레이트 필름으로 제조된 격막 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1446866A (en) * | 1972-10-18 | 1976-08-18 | Turner Machinery Ltd | Arena-measruing machines |
-
1976
- 1976-09-30 JP JP11811076A patent/JPS5343515A/ja active Granted
-
1977
- 1977-09-22 CA CA287,292A patent/CA1092746A/en not_active Expired
- 1977-09-26 US US05/836,734 patent/US4173701A/en not_active Expired - Lifetime
- 1977-09-27 GB GB40218/77A patent/GB1575549A/en not_active Expired
- 1977-09-28 DE DE2743640A patent/DE2743640C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1575549A (en) | 1980-09-24 |
| JPS5546113B2 (enExample) | 1980-11-21 |
| CA1092746A (en) | 1980-12-30 |
| DE2743640B2 (de) | 1979-07-05 |
| US4173701A (en) | 1979-11-06 |
| JPS5343515A (en) | 1978-04-19 |
| DE2743640A1 (de) | 1978-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) |