FR2471113B1 - - Google Patents
Info
- Publication number
- FR2471113B1 FR2471113B1 FR7929886A FR7929886A FR2471113B1 FR 2471113 B1 FR2471113 B1 FR 2471113B1 FR 7929886 A FR7929886 A FR 7929886A FR 7929886 A FR7929886 A FR 7929886A FR 2471113 B1 FR2471113 B1 FR 2471113B1
- Authority
- FR
- France
- 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
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/029—Diaphragms comprising fibres
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7929886A FR2471113A1 (fr) | 1979-12-05 | 1979-12-05 | Membrane notamment pour transducteur electro-acoustique |
| EP81400870A EP0066027A1 (fr) | 1979-12-05 | 1981-05-29 | Membrane notamment pour transducteur électro-acoustique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7929886A FR2471113A1 (fr) | 1979-12-05 | 1979-12-05 | Membrane notamment pour transducteur electro-acoustique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2471113A1 FR2471113A1 (fr) | 1981-06-12 |
| FR2471113B1 true FR2471113B1 (OSRAM) | 1982-10-08 |
Family
ID=9232421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7929886A Granted FR2471113A1 (fr) | 1979-12-05 | 1979-12-05 | Membrane notamment pour transducteur electro-acoustique |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0066027A1 (OSRAM) |
| FR (1) | FR2471113A1 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2522912B1 (fr) * | 1982-03-03 | 1986-08-14 | Audax | Suspension peripherique en elastomere de la membrane d'un transducteur electro-acoustique |
| DE3685859T2 (de) * | 1985-04-17 | 1992-12-17 | Geoquip Security Systems Ltd | Vibrationsempfindlicher transduktor. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1095303A (OSRAM) * | ||||
| GB1563511A (en) * | 1976-03-19 | 1980-03-26 | Harwood H | Diaphragms for electroacoustic transducers |
| JPS5345226A (en) * | 1976-10-04 | 1978-04-22 | Matsushita Electric Ind Co Ltd | Acoustic vibrating plate |
| FR2441980A1 (fr) * | 1978-11-16 | 1980-06-13 | Audax | Transducteur electro-acoustique |
-
1979
- 1979-12-05 FR FR7929886A patent/FR2471113A1/fr active Granted
-
1981
- 1981-05-29 EP EP81400870A patent/EP0066027A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2471113A1 (fr) | 1981-06-12 |
| EP0066027A1 (fr) | 1982-12-08 |