BE536113A - - Google Patents
Info
- Publication number
- BE536113A BE536113A BE536113DA BE536113A BE 536113 A BE536113 A BE 536113A BE 536113D A BE536113D A BE 536113DA BE 536113 A BE536113 A BE 536113A
- 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
-
- 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
- H04R9/04—Construction, mounting, or centering of coil
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6547/54A GB767309A (en) | 1954-03-05 | 1954-03-05 | Improvements in or relating to moving coil type loudspeakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE536113A true BE536113A (en:Method) |
Family
ID=9816486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE536113D BE536113A (en:Method) | 1954-03-05 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2818471A (en:Method) |
| BE (1) | BE536113A (en:Method) |
| DE (1) | DE1002396B (en:Method) |
| FR (1) | FR1119908A (en:Method) |
| GB (1) | GB767309A (en:Method) |
| NL (2) | NL195295A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8402229D0 (en) * | 1984-01-27 | 1984-02-29 | Tannoy Ltd | Moving coil loudspeaker |
| GB2261135A (en) * | 1991-11-02 | 1993-05-05 | Meir Mordechai | A loudspeaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB445935A (en) * | 1934-10-17 | 1936-04-17 | Alfred Sidney Evans | An improved sound reproducing device |
| US2699472A (en) * | 1950-07-21 | 1955-01-11 | Rca Corp | Coaxial, dual unit, electrodynamic loud-speaker |
-
0
- NL NL102625D patent/NL102625C/xx active
- BE BE536113D patent/BE536113A/xx unknown
- NL NL195295D patent/NL195295A/xx unknown
-
1954
- 1954-03-05 GB GB6547/54A patent/GB767309A/en not_active Expired
-
1955
- 1955-02-28 US US491145A patent/US2818471A/en not_active Expired - Lifetime
- 1955-03-01 FR FR1119908D patent/FR1119908A/fr not_active Expired
- 1955-03-03 DE DEG16616A patent/DE1002396B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1119908A (fr) | 1956-06-27 |
| DE1002396B (de) | 1957-02-14 |
| NL102625C (en:Method) | |
| NL195295A (en:Method) | |
| GB767309A (en) | 1957-01-30 |
| US2818471A (en) | 1957-12-31 |