BE498543A - - Google Patents
Info
- Publication number
- BE498543A BE498543A BE498543DA BE498543A BE 498543 A BE498543 A BE 498543A BE 498543D A BE498543D A BE 498543DA BE 498543 A BE498543 A BE 498543A
- 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 |
|---|---|---|---|
| CH276193T | 1949-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE498543A true BE498543A (en:Method) |
Family
ID=4480617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE498543D BE498543A (en:Method) | 1949-10-17 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE498543A (en:Method) |
| CH (1) | CH276193A (en:Method) |
-
0
- BE BE498543D patent/BE498543A/xx unknown
-
1949
- 1949-10-17 CH CH276193D patent/CH276193A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH276193A (de) | 1951-06-30 |