BE518496A - - Google Patents
Info
- Publication number
- BE518496A BE518496A BE518496DA BE518496A BE 518496 A BE518496 A BE 518496A BE 518496D A BE518496D A BE 518496DA BE 518496 A BE518496 A BE 518496A
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (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 |
|---|---|---|---|
| NL310549X | 1952-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE518496A true BE518496A (xx) |
Family
ID=19783621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE518496D BE518496A (xx) | 1952-03-18 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE518496A (xx) |
| CH (1) | CH310549A (xx) |
| DE (1) | DE916954C (xx) |
| GB (1) | GB725182A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1024177B (de) * | 1956-10-03 | 1958-02-13 | Tigges & Co Magnetfabrik | Magnetische Abschirmung eines Ringspalt-Magnetsystems mit Kunststoff- oder Spritzgussumhuellung |
| DE1177210B (de) * | 1962-12-14 | 1964-09-03 | Lehner Fernsprech Signal | Elektroakustischer Wandler fuer telefonische Zwecke |
| JPS5911237B2 (ja) * | 1979-08-16 | 1984-03-14 | 株式会社精工舎 | 圧電スピ−カ |
| DE3031568C2 (de) * | 1980-08-21 | 1982-09-02 | Braun Ag, 6000 Frankfurt | Dynamischer Lautsprecher |
-
0
- BE BE518496D patent/BE518496A/xx unknown
-
1953
- 1953-03-13 GB GB6985/53A patent/GB725182A/en not_active Expired
- 1953-03-15 DE DEN6889A patent/DE916954C/de not_active Expired
- 1953-03-16 CH CH310549D patent/CH310549A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE916954C (de) | 1954-08-23 |
| GB725182A (en) | 1955-03-02 |
| CH310549A (de) | 1955-10-31 |