BE487994A - - Google Patents
Info
- Publication number
- BE487994A BE487994A BE487994DA BE487994A BE 487994 A BE487994 A BE 487994A BE 487994D A BE487994D A BE 487994DA BE 487994 A BE487994 A BE 487994A
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL983281X | 1948-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE487994A true BE487994A (ja�@�@) |
Family
ID=19866519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE487994D BE487994A (ja�@�@) | 1948-03-19 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE487994A (ja�@�@) |
| FR (1) | FR983281A (ja�@�@) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1104559B (de) * | 1957-12-30 | 1961-04-13 | Isophon Werke G M B H | Magnetsystem fuer dynamische Lautsprecher |
-
0
- BE BE487994D patent/BE487994A/xx unknown
-
1949
- 1949-03-17 FR FR983281D patent/FR983281A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR983281A (fr) | 1951-06-21 |