BE400294A - - Google Patents
Info
- Publication number
- BE400294A BE400294A BE400294DA BE400294A BE 400294 A BE400294 A BE 400294A BE 400294D A BE400294D A BE 400294DA BE 400294 A BE400294 A BE 400294A
- Authority
- BE
- Belgium
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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Road Signs Or Road Markings (AREA)
- Building Environments (AREA)
- Prevention Of Electric Corrosion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3689832A GB411566A (en) | 1932-12-30 | 1932-12-30 | Improvements relating to microphones and receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE400294A true BE400294A (bg) |
Family
ID=10392049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE400294D BE400294A (bg) | 1932-12-30 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE400294A (bg) |
| FR (1) | FR765856A (bg) |
| GB (1) | GB411566A (bg) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE976947C (de) * | 1952-06-25 | 1964-09-17 | Standard Elek K Lorenz Ag | Federnde Einspannung der Membran einer Sprech- oder Hoerkapsel |
-
0
- BE BE400294D patent/BE400294A/xx unknown
-
1932
- 1932-12-30 GB GB3689832A patent/GB411566A/en not_active Expired
-
1933
- 1933-12-20 FR FR765856D patent/FR765856A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR765856A (fr) | 1934-06-18 |
| GB411566A (en) | 1934-06-14 |