BE436964A - - Google Patents
Info
- Publication number
- BE436964A BE436964A BE436964DA BE436964A BE 436964 A BE436964 A BE 436964A BE 436964D A BE436964D A BE 436964DA BE 436964 A BE436964 A BE 436964A
- Authority
- BE
- Belgium
- Prior art keywords
- frame
- pole pieces
- receiver
- diaphragm
- canvas
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 4
- 239000002775 capsule Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish 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
- H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE436964A true BE436964A (enExample) |
Family
ID=95512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE436964D BE436964A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE436964A (enExample) |
-
0
- BE BE436964D patent/BE436964A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1946607B1 (fr) | Transducteur electrodynamique, applications aux haut-parleurs et geophones | |
| TW201029482A (en) | Acoustic valve mechanisms | |
| EP2177047B1 (fr) | Transducteur electrodynamique, notamment du type haut-parleur, a suspension ferrofluide et dispositifs associes | |
| FR2595178A1 (fr) | Ecouteur du type a utiliser a l'exterieur | |
| FR2827731A1 (fr) | Haut-parleur a radiation directe et rayonnement optimise | |
| FR2557641A1 (fr) | Pompe a air | |
| FR2791806A1 (fr) | Bobine d'allumage pour moteur a combustion interne | |
| WO2009047455A2 (fr) | Structure magnetique pour moteur sans fer de haut-parleur electrodynamique, moteurs et haut-parleurs | |
| BE436964A (enExample) | ||
| FR2481516A1 (enExample) | ||
| WO2007051948A1 (fr) | Transducteur electrodynamique a dome a suspension ferrofluide | |
| BE1013707A3 (fr) | Moteur et structure de fixation. | |
| FR2550406A1 (fr) | Transducteur electro-acoustique du type a bobine mobile | |
| JP2001128287A5 (enExample) | ||
| WO1984001662A1 (fr) | Percuteur a grande sensibilite | |
| FR2494903A1 (fr) | Tube cathodique plat | |
| FR2587162A1 (fr) | Dispositif de fermeture de chambre acoustique pour un transducteur electroacoustique monte dans un boitier | |
| BE435546A (enExample) | ||
| US1589019A (en) | Moving-coil electrical instrument | |
| BE502653A (enExample) | ||
| BE518056A (enExample) | ||
| EP0924838A1 (fr) | Générateur d'énergie électrique monophasé | |
| FR2525372A1 (fr) | Avertisseur sonore electrique | |
| FR2809860A1 (fr) | Electroaimant avec bobine amovible | |
| CH647371A5 (en) | Electroacoustic enclosure intended to produce sounds by means of several loudspeakers |