BE363214A - - Google Patents
Info
- Publication number
- BE363214A BE363214A BE363214DA BE363214A BE 363214 A BE363214 A BE 363214A BE 363214D A BE363214D A BE 363214DA BE 363214 A BE363214 A BE 363214A
- 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
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 |
|---|---|---|---|
| CH142503T | 1929-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE363214A true BE363214A (en:Method) |
Family
ID=4399252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE363214D BE363214A (en:Method) | 1929-08-23 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE363214A (en:Method) |
| CH (1) | CH142503A (en:Method) |
-
0
- BE BE363214D patent/BE363214A/xx unknown
-
1929
- 1929-08-23 CH CH142503D patent/CH142503A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH142503A (de) | 1930-09-30 |