BE367006A - - Google Patents
Info
- Publication number
- BE367006A BE367006A BE367006DA BE367006A BE 367006 A BE367006 A BE 367006A BE 367006D A BE367006D A BE 367006DA BE 367006 A BE367006 A BE 367006A
- 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
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Magnetically Actuated Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB288429A GB326296A (en) | 1929-01-28 | 1929-01-28 | Improvements relating to sound reproducers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE367006A true BE367006A (https=) |
Family
ID=9747810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE367006D BE367006A (https=) | 1929-01-28 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE367006A (https=) |
| FR (1) | FR688455A (https=) |
| GB (1) | GB326296A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2479072A (en) * | 1942-11-30 | 1949-08-16 | Lee Royal | Electrical apparatus |
| US2706245A (en) * | 1950-02-24 | 1955-04-12 | Joseph L Miller | Electromagnetic transducer-detector |
| US2791972A (en) * | 1951-10-15 | 1957-05-14 | Gilbert Co A C | Vibrator excited loud speaker for toys |
| US20230216453A1 (en) * | 2023-03-14 | 2023-07-06 | Intel Corporation | Dynamic speaker coils as radio frequency antennas in mobile computing devices |
-
0
- BE BE367006D patent/BE367006A/xx unknown
-
1929
- 1929-01-28 GB GB288429A patent/GB326296A/en not_active Expired
-
1930
- 1930-01-18 FR FR688455D patent/FR688455A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB326296A (en) | 1930-03-13 |
| FR688455A (fr) | 1930-08-23 |