BE410896A - - Google Patents
Info
- Publication number
- BE410896A BE410896A BE410896DA BE410896A BE 410896 A BE410896 A BE 410896A BE 410896D A BE410896D A BE 410896DA BE 410896 A BE410896 A BE 410896A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR791123T | 1934-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE410896A true BE410896A (https=) |
Family
ID=9225016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE410896D BE410896A (https=) | 1934-09-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE410896A (https=) |
| FR (1) | FR791123A (https=) |
| GB (1) | GB435670A (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2512323A (en) * | 1946-09-09 | 1950-06-20 | Radio Frequency Lab Inc | Reentrant diaphragm with central closure member |
| US2560379A (en) * | 1948-03-25 | 1951-07-10 | Rca Corp | Loud-speaker with flexible diaphragm mounting |
| DE970326C (de) * | 1948-10-02 | 1958-09-11 | Telefunken Gmbh | Anordnung zur zentralen breitbandigen Schallversorgung eines Luftraumes |
| US2582130A (en) * | 1948-10-20 | 1952-01-08 | Hawley Products Co | Acoustic diaphragm |
| DE837115C (de) * | 1950-05-20 | 1952-04-21 | Telefunken Gmbh | Dynamisches Lautsprechersystem |
| DE1028618B (de) * | 1952-11-05 | 1958-04-24 | Telefunken Gmbh | Hochtonlautsprecher mit Konusmembran |
-
0
- BE BE410896D patent/BE410896A/xx unknown
-
1934
- 1934-09-04 FR FR791123D patent/FR791123A/fr not_active Expired
- 1934-12-24 GB GB37013/34A patent/GB435670A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB435670A (en) | 1935-09-25 |
| FR791123A (fr) | 1935-12-04 |