BE386404A - - Google Patents
Info
- Publication number
- BE386404A BE386404A BE386404DA BE386404A BE 386404 A BE386404 A BE 386404A BE 386404D A BE386404D A BE 386404DA BE 386404 A BE386404 A BE 386404A
- 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
-
- 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
- H04R9/025—Magnetic circuit
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 |
|---|---|---|---|
| US515190A US1951531A (en) | 1931-02-12 | 1931-02-12 | Sound-translating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE386404A true BE386404A (https=) |
Family
ID=24050315
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE386404D BE386404A (https=) | 1931-02-12 | ||
| BE401119D BE401119A (https=) | 1931-02-12 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE401119D BE401119A (https=) | 1931-02-12 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1951531A (https=) |
| BE (2) | BE401119A (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2537723A (en) * | 1946-11-22 | 1951-01-09 | Truvox Engineering Company Ltd | Electromagnetic transducer |
| BE481098A (https=) * | 1947-06-18 | |||
| US2761912A (en) * | 1951-05-31 | 1956-09-04 | Martin L Touger | Sound translating apparatus |
| US3358089A (en) * | 1964-06-10 | 1967-12-12 | Gen Electric | Magnet assembly |
| GB2050755B (en) * | 1979-04-10 | 1983-06-29 | Suwa Seikosha Kk | Dynamic loudspeaker |
| EP1523215B1 (en) * | 2003-08-07 | 2011-12-21 | Panasonic Corporation | Speaker grille |
-
0
- BE BE386404D patent/BE386404A/xx unknown
- BE BE401119D patent/BE401119A/xx unknown
-
1931
- 1931-02-12 US US515190A patent/US1951531A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1951531A (en) | 1934-03-20 |
| BE401119A (https=) |