BE360948A - - Google Patents
Info
- Publication number
- BE360948A BE360948A BE360948DA BE360948A BE 360948 A BE360948 A BE 360948A BE 360948D A BE360948D A BE 360948DA BE 360948 A BE360948 A BE 360948A
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR36441T | 1928-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE360948A true BE360948A (en:Method) |
Family
ID=8673199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE360948D BE360948A (en:Method) | 1928-11-15 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1824590A (en:Method) |
| BE (1) | BE360948A (en:Method) |
| FR (2) | FR670068A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4235302A (en) * | 1977-03-15 | 1980-11-25 | Kenkichi Tsukamoto | Loudspeaker |
| US4239090A (en) * | 1979-03-29 | 1980-12-16 | Dahlquist Jon G | High accuracy bass reproducer device |
| GB2359440A (en) * | 2000-02-17 | 2001-08-22 | Goodmans Loudspeakers Ltd | Stiffening flange for a conical loudspeaker diaphragm |
-
0
- BE BE360948D patent/BE360948A/xx unknown
-
1928
- 1928-06-14 FR FR670068D patent/FR670068A/fr not_active Expired
- 1928-11-15 FR FR36441D patent/FR36441E/fr not_active Expired
-
1929
- 1929-06-07 US US369076A patent/US1824590A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR670068A (fr) | 1929-11-25 |
| FR36441E (fr) | 1930-06-07 |
| US1824590A (en) | 1931-09-22 |