EP0126841A3 - Membrane pour haut-parleur - Google Patents
Membrane pour haut-parleur Download PDFInfo
- Publication number
- EP0126841A3 EP0126841A3 EP84100977A EP84100977A EP0126841A3 EP 0126841 A3 EP0126841 A3 EP 0126841A3 EP 84100977 A EP84100977 A EP 84100977A EP 84100977 A EP84100977 A EP 84100977A EP 0126841 A3 EP0126841 A3 EP 0126841A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- thickness
- loudspeaker diaphragm
- paper
- layers
- membrane
- 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.)
- Ceased
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
- 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
-
- 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)
- Laminated Bodies (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3319423 | 1983-05-28 | ||
DE19833319423 DE3319423C2 (de) | 1983-05-28 | 1983-05-28 | Lautsprechermembran |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0126841A2 EP0126841A2 (fr) | 1984-12-05 |
EP0126841A3 true EP0126841A3 (fr) | 1986-03-12 |
Family
ID=6200129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84100977A Ceased EP0126841A3 (fr) | 1983-05-28 | 1984-02-01 | Membrane pour haut-parleur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0126841A3 (fr) |
CA (1) | CA1210338A (fr) |
DE (1) | DE3319423C2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19925787C1 (de) * | 1999-06-05 | 2000-12-21 | Roehm Gmbh | Verfahren zur Herstellung von Membranen für elektroakustische Wandler sowie Membranen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE974931C (de) * | 1950-06-08 | 1961-06-08 | Emil Dr Podszus | Aus erstarrtem Schaum bestehende Lautsprechermembran |
DE1925119A1 (de) * | 1968-05-18 | 1969-11-27 | Nippon Musical Instruments Mfg | Lautsprechermembran |
FR2297536A1 (fr) * | 1975-01-07 | 1976-08-06 | Manger J W | Membrane pour convertisseur electro-acoustique et convertisseur electro-acoustique equipe d'une telle membrane |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2851745C2 (de) * | 1978-11-30 | 1985-01-10 | Elektrotechnik Ehmann Gmbh, 6953 Gundelsheim | Mehrschichtige Membran für einen elektroakustischen Wandler |
JPS579194A (en) * | 1980-06-18 | 1982-01-18 | Pioneer Electronic Corp | Diaphragm for speaker |
JPS57155897A (en) * | 1981-03-20 | 1982-09-27 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
-
1983
- 1983-05-28 DE DE19833319423 patent/DE3319423C2/de not_active Expired
-
1984
- 1984-02-01 EP EP84100977A patent/EP0126841A3/fr not_active Ceased
- 1984-05-25 CA CA000455117A patent/CA1210338A/fr not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE974931C (de) * | 1950-06-08 | 1961-06-08 | Emil Dr Podszus | Aus erstarrtem Schaum bestehende Lautsprechermembran |
DE1925119A1 (de) * | 1968-05-18 | 1969-11-27 | Nippon Musical Instruments Mfg | Lautsprechermembran |
FR2297536A1 (fr) * | 1975-01-07 | 1976-08-06 | Manger J W | Membrane pour convertisseur electro-acoustique et convertisseur electro-acoustique equipe d'une telle membrane |
Non-Patent Citations (4)
Title |
---|
PATENT ABSTRACTS OF JAPAN, Band 6, Nr. 259 (E-149)[1137], 17. Dezember 1982; & JP-A-57 155 897 (MATSUSHITA DENKI SANGYO K.K.) 27.09.1982 * |
PATENT ABSTRACTS OF JAPAN, Band 6, Nr. 67 (E-104)[945], 28. April 1982; & JP-A-57 009 194 (PIONEER K.K.) 18.01.1982 * |
PATENTS ABSTRACTS OF JAPAN, Band 6, Nr. 67 (E-104)[945], 28. April 1982; & JP - A - 57 9194 (PIONEER K.K.) 18.01.1982 * |
WIRELESS WORLD, Dezember 1958, Seiten 564-569, I.P.C. Business Press Ltd., Hayloards Heath, Sussex, GB; D.A. BARLOW: "Rigidity of loudspeaker Diaphragms, advantages of sandwich construction" * |
Also Published As
Publication number | Publication date |
---|---|
CA1210338A (fr) | 1986-08-26 |
DE3319423C2 (de) | 1985-03-28 |
DE3319423A1 (de) | 1984-11-29 |
EP0126841A2 (fr) | 1984-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH FR GB IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH FR GB IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19860429 |
|
17Q | First examination report despatched |
Effective date: 19871117 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 19880522 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BOLZ, MICHAEL |