NL6809304A - - Google Patents
Info
- Publication number
- NL6809304A NL6809304A NL6809304A NL6809304A NL6809304A NL 6809304 A NL6809304 A NL 6809304A NL 6809304 A NL6809304 A NL 6809304A NL 6809304 A NL6809304 A NL 6809304A NL 6809304 A NL6809304 A NL 6809304A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
-
- 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
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3418—Loud speakers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT624467A AT274080B (de) | 1967-07-05 | 1967-07-05 | Schallwandler mit einer Schaumstoffmembran |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6809304A true NL6809304A (xx) | 1969-01-07 |
Family
ID=3584335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6809304A NL6809304A (xx) | 1967-07-05 | 1968-07-02 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3612783A (xx) |
JP (1) | JPS4811889B1 (xx) |
AT (1) | AT274080B (xx) |
BE (1) | BE717558A (xx) |
CH (1) | CH483768A (xx) |
ES (1) | ES371098A1 (xx) |
FR (1) | FR1572768A (xx) |
GB (1) | GB1232089A (xx) |
NL (1) | NL6809304A (xx) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1380914A (en) * | 1971-01-04 | 1975-01-15 | Rola Celestion Ltd | Diaphragm assemblies for electro-acoustic transducers |
US3858680A (en) * | 1971-05-28 | 1975-01-07 | Matsushita Electric Ind Co Ltd | Vibration diaphragm and cfne edge of a loudspeaker |
DE2225710C3 (de) * | 1971-05-28 | 1975-12-04 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Membran für elektroakustische Wandler und Verfahren zu ihrer Herstellung |
US3961378A (en) * | 1973-01-19 | 1976-06-08 | White Stanley F | Cone construction for loudspeaker |
US3862376A (en) * | 1973-01-19 | 1975-01-21 | Stanley F White | Cone construction for loudspeaker |
JPS5423303Y2 (xx) * | 1974-04-19 | 1979-08-10 | ||
CA1098774A (en) * | 1976-05-17 | 1981-04-07 | Hirotoshi Niguchi | Acoustic diaphragm with polyurethane elastomer coating |
US4275030A (en) * | 1978-05-10 | 1981-06-23 | Pedro Mares | Injection molding articles of more than one resin component |
EP0313560B1 (de) * | 1986-07-04 | 1991-12-27 | ANT Nachrichtentechnik GmbH | Membransystem mit rotationssymmetrischer biegesteifer platte als schallabstrahlendes oder -aufnehmendes element |
US4766025A (en) * | 1986-09-25 | 1988-08-23 | Sheller Globe Corp. | Composite molded article and method of making same |
DE3831706A1 (de) * | 1988-09-17 | 1990-03-22 | Bayer Ag | Membran fuer lautsprecher |
DE4111748A1 (de) * | 1991-04-11 | 1992-10-15 | Nokia Deutschland Gmbh | Lautsprecher mit sicke und (einbauab-) dichtung vereinigenden bauteil |
US5319718A (en) * | 1991-10-11 | 1994-06-07 | Yocum Fred D | Loudspeaker cone and method for making same |
AU3264693A (en) | 1992-01-15 | 1993-08-03 | David Ian Leach | Method and apparatus for making a loudspeaker cone and surround assembly |
WO1993023966A1 (en) * | 1992-05-14 | 1993-11-25 | Yocum Fred D | Loudspeaker cone suspension rim having integral gasket |
AU5685894A (en) * | 1992-12-08 | 1994-07-04 | Linaeum Corporation | Audio transducer with flexible foam enclosure |
US5650105A (en) * | 1994-05-24 | 1997-07-22 | Yocum; Fred D. | Method for making a loudspeaker cone with an integral surround |
US6224801B1 (en) | 1995-03-21 | 2001-05-01 | Harman International Industries Incorporated | Method of making a speaker |
US5629029A (en) * | 1995-04-20 | 1997-05-13 | United Technologies Automotive Systems, Inc. | Mold design for in-mold decoration of injection molded articles |
US6130954A (en) * | 1996-01-02 | 2000-10-10 | Carver; Robert W. | High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround |
CA2263177A1 (en) | 1996-08-12 | 1998-02-19 | Robert W. Carver | High back emf, high pressure subwoofer |
GB2326373B (en) * | 1998-08-20 | 2000-01-19 | Kurt Mueller | Speaker cone |
DE19925944C2 (de) * | 1999-06-08 | 2001-11-29 | Harman Audio Electronic Sys | Lautsprecher mit einem frontseitig aufgesetzten Dichtelement und Verfahren zur Herstellung eines solchen Lautsprechers |
US6724910B1 (en) | 1999-10-04 | 2004-04-20 | Harman International Industries, Incorporated | Diaphragm stable through hygroscopic cycling |
GB2355616B (en) * | 1999-10-05 | 2003-01-08 | Steff Lin | Thin type planar speaker |
US6351544B1 (en) | 1999-12-10 | 2002-02-26 | Harman International Industries Incorporated | Regressively hinged spider |
WO2003016018A1 (en) * | 2001-08-17 | 2003-02-27 | Intersurgical Limited | Anatomical mask |
EP1515582B1 (en) * | 2003-09-11 | 2006-01-11 | AKG Acoustics GmbH | Dynamic electroacoustic converter, in particular small speaker |
JP2005252922A (ja) * | 2004-03-08 | 2005-09-15 | Matsushita Electric Ind Co Ltd | スピーカ及びその製造方法 |
EP1694094A1 (en) * | 2005-02-18 | 2006-08-23 | AKG Acoustics GmbH | Membrane for a dynamic converter |
JP2007088879A (ja) * | 2005-09-22 | 2007-04-05 | Pioneer Electronic Corp | スピーカ用振動板 |
US7876923B2 (en) * | 2006-02-27 | 2011-01-25 | Finnegan Brendan J | Loudspeaker gasketing |
US8428290B2 (en) * | 2011-06-16 | 2013-04-23 | Mipro Electronics Co., Ltd. | Input-panel-equipped portable speaker device |
US8638975B2 (en) | 2011-08-17 | 2014-01-28 | Bose Corporation | Wiper seal for passive radiator |
US9124967B2 (en) * | 2012-09-26 | 2015-09-01 | Terrance Marshall Morton | Microphone systems for base drums and other instruments |
US20150281843A1 (en) * | 2014-03-26 | 2015-10-01 | Merry Electronics (Suzhou) Co., Ltd. | Diaphragm surround manufacturing method and diaphragm applicable thereto |
CN204316743U (zh) * | 2014-12-09 | 2015-05-06 | 瑞声精密电子沭阳有限公司 | 复合振膜及使用该复合振膜的扬声器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2596645A (en) * | 1947-01-10 | 1952-05-13 | Joseph B Brennan | Method of making acoustic diaphragms |
US3046362A (en) * | 1956-11-06 | 1962-07-24 | Stanley F White | Speaker |
US3073916A (en) * | 1958-11-24 | 1963-01-15 | Muter Company | Blast-proof water-proof loudspeaker |
BE623239A (xx) * | 1961-10-04 |
-
1967
- 1967-07-05 AT AT624467A patent/AT274080B/de active
-
1968
- 1968-07-01 US US741411A patent/US3612783A/en not_active Expired - Lifetime
- 1968-07-02 NL NL6809304A patent/NL6809304A/xx unknown
- 1968-07-02 GB GB1232089D patent/GB1232089A/en not_active Expired
- 1968-07-02 CH CH984468A patent/CH483768A/de not_active IP Right Cessation
- 1968-07-02 FR FR1572768D patent/FR1572768A/fr not_active Expired
- 1968-07-03 BE BE717558D patent/BE717558A/xx unknown
- 1968-07-04 JP JP43046265A patent/JPS4811889B1/ja active Pending
-
1969
- 1969-09-01 ES ES371098A patent/ES371098A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT274080B (de) | 1969-09-10 |
ES371098A1 (es) | 1971-08-16 |
DE1762520A1 (de) | 1970-06-25 |
CH483768A (de) | 1969-12-31 |
BE717558A (xx) | 1969-01-03 |
JPS4811889B1 (xx) | 1973-04-17 |
FR1572768A (xx) | 1969-06-27 |
DE1762520B2 (de) | 1975-10-16 |
US3612783A (en) | 1971-10-12 |
GB1232089A (xx) | 1971-05-19 |