NL7906309A - Elektro-akoestische transducent. - Google Patents
Elektro-akoestische transducent. Download PDFInfo
- Publication number
- NL7906309A NL7906309A NL7906309A NL7906309A NL7906309A NL 7906309 A NL7906309 A NL 7906309A NL 7906309 A NL7906309 A NL 7906309A NL 7906309 A NL7906309 A NL 7906309A NL 7906309 A NL7906309 A NL 7906309A
- Authority
- NL
- Netherlands
- Prior art keywords
- voice coil
- transducer according
- resin
- membrane
- epoxy resin
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 54
- 229920005989 resin Polymers 0.000 claims description 42
- 239000011347 resin Substances 0.000 claims description 42
- 229920001721 polyimide Polymers 0.000 claims description 23
- 239000003822 epoxy resin Substances 0.000 claims description 18
- 229920000647 polyepoxide Polymers 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 16
- 230000004907 flux Effects 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 13
- 239000004593 Epoxy Substances 0.000 claims description 10
- 239000004642 Polyimide Substances 0.000 claims description 10
- 239000009719 polyimide resin Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 7
- 150000002391 heterocyclic compounds Chemical class 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 5
- 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 claims description 4
- -1 aromatic carboxylic acids Chemical class 0.000 claims description 4
- 125000003700 epoxy group Chemical group 0.000 claims description 4
- 150000003949 imides Chemical class 0.000 claims description 4
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 4
- 229920003055 poly(ester-imide) Polymers 0.000 claims description 3
- 229930185605 Bisphenol Natural products 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 239000000539 dimer Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 125000003055 glycidyl group Chemical class C(C1CO1)* 0.000 claims description 2
- 229920003986 novolac Polymers 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 235000013824 polyphenols Nutrition 0.000 claims description 2
- 229940125773 compound 10 Drugs 0.000 claims 1
- 150000002334 glycols Chemical class 0.000 claims 1
- 125000000623 heterocyclic group Chemical group 0.000 claims 1
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 claims 1
- 210000003101 oviduct Anatomy 0.000 claims 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 claims 1
- 229920000098 polyolefin Polymers 0.000 claims 1
- 239000011888 foil Substances 0.000 description 22
- 239000011342 resin composition Substances 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 230000001070 adhesive effect Effects 0.000 description 13
- 239000000853 adhesive Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 7
- 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 description 6
- 229920006015 heat resistant resin Polymers 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229930003836 cresol Natural products 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- 239000004962 Polyamide-imide Substances 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002312 polyamide-imide Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- AKOGNYJNGMLDOA-UHFFFAOYSA-N (4-acetyloxyphenyl) acetate Chemical compound CC(=O)OC1=CC=C(OC(C)=O)C=C1 AKOGNYJNGMLDOA-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- HWZGZWSHHNWSBP-UHFFFAOYSA-N 3-(2,3-diaminophenoxy)benzene-1,2-diamine Chemical compound NC1=CC=CC(OC=2C(=C(N)C=CC=2)N)=C1N HWZGZWSHHNWSBP-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10053278A JPS5527721A (en) | 1978-08-18 | 1978-08-18 | Diaphragm for electroacoustic converter |
| JP10053278 | 1978-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7906309A true NL7906309A (nl) | 1980-02-20 |
Family
ID=14276561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7906309A NL7906309A (nl) | 1978-08-18 | 1979-08-20 | Elektro-akoestische transducent. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4281223A (enExample) |
| JP (1) | JPS5527721A (enExample) |
| CA (1) | CA1130910A (enExample) |
| DE (1) | DE2933630A1 (enExample) |
| FR (1) | FR2433883A1 (enExample) |
| GB (1) | GB2029162B (enExample) |
| NL (1) | NL7906309A (enExample) |
Families Citing this family (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54162174A (en) * | 1978-06-14 | 1979-12-22 | Sumitomo Bakelite Co | Method of producing flexible printed circuit board |
| GB2034153B (en) * | 1978-09-26 | 1983-02-16 | Victor Company Of Japan | Voice coil assembly for a speaker |
| US4460060A (en) * | 1980-03-07 | 1984-07-17 | Toray Industries, Inc. | Vibratory diaphragm for loudspeaker |
| NL8102572A (nl) * | 1981-05-26 | 1982-12-16 | Philips Nv | Elektroakoestische omzetter van het band-type met lage vervorming en verbeterde gevoeligheid. |
| EP0086837B1 (en) * | 1981-08-27 | 1985-12-27 | Toray Industries, Inc. | Vibrating plate for speaker |
| EP0262406A3 (en) * | 1982-06-17 | 1988-08-31 | LARSON, David A. | Electro-acoustic transducer with diaphragm and blank therefor |
| DE3247941A1 (de) * | 1982-12-24 | 1984-06-28 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Lautsprecher |
| NL8300835A (nl) * | 1983-03-08 | 1984-10-01 | Philips Nv | Bandtype transducent met een meerlagig membraan. |
| JPS6055797A (ja) * | 1983-09-06 | 1985-04-01 | Onkyo Corp | スピ−カ−用振動板 |
| NL8700654A (nl) * | 1987-03-20 | 1988-10-17 | Philips Nv | Elektrodynamische omzetter. |
| DE3712212A1 (de) * | 1987-04-10 | 1988-10-27 | Peter Brockhaus | Magnetostatischer lautsprecher oder kopfhoerer mit flachmembran |
| DE3804024A1 (de) * | 1988-02-10 | 1989-08-24 | Eton Deutschland Electro Acous | Lautsprecher |
| CA1318965C (en) * | 1988-11-07 | 1993-06-08 | William Neal House | Shallow loudspeaker with slotted magnet structure |
| US5446797A (en) * | 1992-07-17 | 1995-08-29 | Linaeum Corporation | Audio transducer with etched voice coil |
| AU4683493A (en) * | 1992-07-17 | 1994-02-14 | Linaeum Corporation | Audio transducer with etched voice coil |
| DE69428384T2 (de) * | 1993-01-29 | 2002-06-13 | Sony Corp., Tokio/Tokyo | Lautsprecher |
| US6289106B1 (en) | 1997-08-08 | 2001-09-11 | Hong Long Industrial Co., Ltd. | Cap and center pole apparatus and method of coupling |
| US6097830A (en) * | 1997-11-17 | 2000-08-01 | Sonigistix Corporation | Transducer diaphragm with thermal strain relief |
| EP0992974A3 (de) * | 1998-10-07 | 2004-01-02 | DaimlerChrysler AG | Verwendung eines Werkstoffes mit hoher Materialdämpfung für ein Bauteil einer schallemittierenden Maschine |
| JP4500426B2 (ja) * | 2000-11-02 | 2010-07-14 | フォスター電機株式会社 | 面駆動型電気音響変換器 |
| US7862587B2 (en) | 2004-02-27 | 2011-01-04 | Jackson Roger P | Dynamic stabilization assemblies, tool set and method |
| JP2002374593A (ja) * | 2001-06-18 | 2002-12-26 | Pioneer Electronic Corp | スピーカ振動板 |
| WO2003041449A1 (en) * | 2001-11-05 | 2003-05-15 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker |
| US7278200B2 (en) * | 2002-05-02 | 2007-10-09 | Harman International Industries, Incorporated | Method of tensioning a diaphragm for an electro-dynamic loudspeaker |
| US7627134B2 (en) | 2002-05-02 | 2009-12-01 | Harman International Industries, Incorporated | Magnet retention system in planar loudspeakers |
| US7149321B2 (en) | 2002-05-02 | 2006-12-12 | Harman International Industries, Incorporated | Electro-dynamic loudspeaker mounting system |
| US20040022409A1 (en) * | 2002-05-02 | 2004-02-05 | Hutt Steven W. | Film attaching system |
| US20040042632A1 (en) * | 2002-05-02 | 2004-03-04 | Hutt Steven W. | Directivity control of electro-dynamic loudspeakers |
| US7035425B2 (en) | 2002-05-02 | 2006-04-25 | Harman International Industries, Incorporated | Frequency response enhancements for electro-dynamic loudspeakers |
| US7155026B2 (en) | 2002-05-02 | 2006-12-26 | Harman International Industries, Incorporated | Mounting bracket system |
| US7203332B2 (en) * | 2002-05-02 | 2007-04-10 | Harman International Industries, Incorporated | Magnet arrangement for loudspeaker |
| US20040008858A1 (en) * | 2002-05-02 | 2004-01-15 | Steere John F. | Acoustically enhanced electro-dynamic loudspeakers |
| US7146017B2 (en) * | 2002-05-02 | 2006-12-05 | Harman International Industries, Incorporated | Electrical connectors for electro-dynamic loudspeakers |
| US7152299B2 (en) | 2002-05-02 | 2006-12-26 | Harman International Industries, Incorporated | Method of assembling a loudspeaker |
| US7236608B2 (en) | 2002-05-02 | 2007-06-26 | Harman International Industries, Incorporated | Conductors for electro-dynamic loudspeakers |
| US7471801B2 (en) * | 2002-05-10 | 2008-12-30 | Osseofon Ab | Device for the generation of or monitoring of vibrations |
| EP1519983B1 (de) * | 2002-06-28 | 2014-04-23 | Lofo High Tech Film GmbH | Membranen aus polyarylat-giessfolien |
| US7316290B2 (en) * | 2003-01-30 | 2008-01-08 | Harman International Industries, Incorporated | Acoustic lens system |
| US7894619B2 (en) * | 2004-10-21 | 2011-02-22 | Shure Incorporated | Acoustic ribbon transducer arrangements |
| JP4948001B2 (ja) * | 2005-03-09 | 2012-06-06 | 古河電気工業株式会社 | 平面スピーカ用振動板 |
| JP5100546B2 (ja) * | 2007-07-30 | 2012-12-19 | パナソニック株式会社 | 電気音響変換器 |
| US20090175488A1 (en) * | 2008-01-09 | 2009-07-09 | Jui-Cheng Chang | Diaphragm and Electrical-Acoustic Transducer having the same |
| WO2010073839A1 (ja) * | 2008-12-25 | 2010-07-01 | 三洋電機株式会社 | スピーカユニットおよび携帯情報端末 |
| JP5494494B2 (ja) * | 2008-12-25 | 2014-05-14 | 三洋電機株式会社 | スピーカユニットおよび携帯情報端末 |
| CN102265645B (zh) * | 2008-12-25 | 2014-07-30 | 三洋电机株式会社 | 扬声器单元及携带式信息终端 |
| KR101018554B1 (ko) | 2009-05-15 | 2011-03-03 | (주)디지털초음파 | 나선형 코일 제조방법과 그 나선형 코일 및 이를 구비한 전자기음향변환기 |
| US8687816B2 (en) * | 2009-06-30 | 2014-04-01 | Nokia Corporation | Signal processing |
| DE102009038593A1 (de) * | 2009-08-26 | 2011-03-03 | Beyerdynamic Gmbh & Co. Kg | Schallwandler-Magnetsystem |
| DE202009011485U1 (de) | 2009-08-26 | 2009-12-24 | Beyerdynamic Gmbh & Co. Kg | Schallwandler-Magnetsystem |
| US8942408B1 (en) | 2011-07-22 | 2015-01-27 | James Joseph Croft, III | Magnetically one-side driven planar transducer with improved electro-magnetic circuit |
| TWI492641B (zh) | 2012-11-13 | 2015-07-11 | Cotron Corp | 振動元件 |
| US9197965B2 (en) | 2013-03-15 | 2015-11-24 | James J. Croft, III | Planar-magnetic transducer with improved electro-magnetic circuit |
| US9843850B2 (en) | 2015-09-26 | 2017-12-12 | Intel Corporation | Audio speakers with integrated sealing and assembly features for “caseless” installation |
| TW201813417A (zh) * | 2016-09-20 | 2018-04-01 | 固昌通訊股份有限公司 | 平面喇叭單體 |
| DE102017102219B4 (de) | 2017-02-06 | 2025-12-31 | Sonova Consumer Hearing Gmbh | Planardynamischer Wandler |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL274947A (enExample) * | 1961-02-20 | |||
| GB1059055A (en) * | 1965-08-03 | 1967-02-15 | Standard Telephones Cables Ltd | Diaphragm assemblies |
| US3674109A (en) * | 1969-08-26 | 1972-07-04 | Nippon Musical Instruments Mfg | Thermo-plastic laminated structure |
| US3898598A (en) * | 1974-01-24 | 1975-08-05 | Foster Tsushin Kogyo | Dynamic electroacoustic transducer |
| US4086449A (en) * | 1974-05-14 | 1978-04-25 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker with burning resistant diaphragm |
| DE2461256C3 (de) * | 1974-12-23 | 1978-11-02 | Foster Electric Co., Ltd., Tokio | Membrane für einen elektroakustischen Wandler |
| DE2461257C3 (de) * | 1974-12-23 | 1978-11-02 | Foster Electric Co., Ltd., Tokio | Membran für einen elektroakustischen Wandler |
| JPS524228A (en) * | 1975-06-19 | 1977-01-13 | Matsushita Electric Ind Co Ltd | Non-directional dynamic type electric sound convertor |
| GB1563511A (en) * | 1976-03-19 | 1980-03-26 | Harwood H | Diaphragms for electroacoustic transducers |
| CA1098774A (en) * | 1976-05-17 | 1981-04-07 | Hirotoshi Niguchi | Acoustic diaphragm with polyurethane elastomer coating |
-
1978
- 1978-08-18 JP JP10053278A patent/JPS5527721A/ja active Granted
-
1979
- 1979-08-14 US US06/066,381 patent/US4281223A/en not_active Expired - Lifetime
- 1979-08-15 CA CA333,842A patent/CA1130910A/en not_active Expired
- 1979-08-17 GB GB7928805A patent/GB2029162B/en not_active Expired
- 1979-08-17 FR FR7920885A patent/FR2433883A1/fr active Granted
- 1979-08-20 NL NL7906309A patent/NL7906309A/nl not_active Application Discontinuation
- 1979-08-20 DE DE2933630A patent/DE2933630A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1130910A (en) | 1982-08-31 |
| DE2933630C2 (enExample) | 1989-06-22 |
| GB2029162B (en) | 1982-12-01 |
| US4281223A (en) | 1981-07-28 |
| FR2433883B1 (enExample) | 1984-04-06 |
| JPS5527721A (en) | 1980-02-28 |
| FR2433883A1 (fr) | 1980-03-14 |
| GB2029162A (en) | 1980-03-12 |
| JPS5740717B2 (enExample) | 1982-08-30 |
| DE2933630A1 (de) | 1980-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |