BE384601A - - Google Patents
Info
- Publication number
- BE384601A BE384601A BE384601DA BE384601A BE 384601 A BE384601 A BE 384601A BE 384601D A BE384601D A BE 384601DA BE 384601 A BE384601 A BE 384601A
- Authority
- BE
- Belgium
- Prior art keywords
- diaphragm
- main
- insulating
- cone
- sound
- Prior art date
Links
- 239000013013 elastic material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 210000000188 diaphragm Anatomy 0.000 claims 29
- 241001422033 Thestylus Species 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE384601A true BE384601A (cg-RX-API-DMAC7.html) |
Family
ID=53602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE384601D BE384601A (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE384601A (cg-RX-API-DMAC7.html) |
-
0
- BE BE384601D patent/BE384601A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0083310B1 (fr) | Transducteur électro-acoustique | |
| FR2503515A1 (fr) | Haut-parleur omnidirectionnel pour les frequences aigues du spectre sonore | |
| BE384601A (cg-RX-API-DMAC7.html) | ||
| EP3037895B1 (fr) | Porte-piton demontable | |
| US1391425A (en) | Phonograph-needle and resonator therefor | |
| KR200482695Y1 (ko) | 리코더 | |
| US1414801A (en) | Acoustic device | |
| CH332883A (fr) | Raquette | |
| FR2953634A1 (fr) | Tambour musical a futs coulissants | |
| JP2015075728A (ja) | ドラム | |
| US1878162A (en) | Conical diaphragm for sound reproducing and recording apparatus | |
| CH107417A (fr) | Gramophone. | |
| CH338148A (fr) | Raquette | |
| BE376057A (cg-RX-API-DMAC7.html) | ||
| CH372245A (fr) | Dispositif de raquetterie pour mouvement de montre, à ressort spiral | |
| CH176983A (fr) | Machine acoustique. | |
| FR1464777A (fr) | Perfectionnements aux cannes pour pêche au lancer | |
| US1773605A (en) | Loud-speaker | |
| US1393106A (en) | Sound-reproducer for phonographs | |
| CH119758A (fr) | Gramophone. | |
| CH264668A (fr) | Dispositif régulateur pour mouvements d'horlogerie à balancier et spiral. | |
| CH112037A (fr) | Phonographe portatif. | |
| US1347059A (en) | Phonograph sound-box | |
| BE413710A (cg-RX-API-DMAC7.html) | ||
| CH110773A (fr) | Boîte de résonance. |