BE538196A - - Google Patents
Info
- Publication number
- BE538196A BE538196A BE538196DA BE538196A BE 538196 A BE538196 A BE 538196A BE 538196D A BE538196D A BE 538196DA BE 538196 A BE538196 A BE 538196A
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
-
- 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
- H04R9/02—Details
- H04R9/025—Magnetic circuit
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1124361X | 1954-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE538196A true BE538196A (pm) |
Family
ID=19869716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE538196D BE538196A (pm) | 1954-05-18 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE538196A (pm) |
| FR (1) | FR1124361A (pm) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT224180B (de) * | 1961-04-28 | 1962-11-12 | Akg Akustische Kino Geraete | Dynamischer Kopfhörer nach dem Zweiwegsystem |
-
0
- BE BE538196D patent/BE538196A/xx unknown
-
1955
- 1955-05-16 FR FR1124361D patent/FR1124361A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1124361A (fr) | 1956-10-09 |