BE462361A - - Google Patents
Info
- Publication number
- BE462361A BE462361A BE462361DA BE462361A BE 462361 A BE462361 A BE 462361A BE 462361D A BE462361D A BE 462361DA BE 462361 A BE462361 A BE 462361A
- Authority
- BE
- Belgium
- Prior art keywords
- housing
- listening
- contacts
- telephone receiver
- base
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000009795 derivation Methods 0.000 description 2
- 241001077878 Neurolaena lobata Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 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
- H04R13/02—Telephone receivers
-
- 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
- H04R7/22—Clamping rim of diaphragm or cone against seating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE462361A true BE462361A (enrdf_load_stackoverflow) |
Family
ID=114785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE462361D BE462361A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE462361A (enrdf_load_stackoverflow) |
-
0
- BE BE462361D patent/BE462361A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1191937A (fr) | Transducteur electro-acoustique | |
| FR2462078A1 (fr) | Filtre acoustique pour systeme de haut-parleurs coaxiaux | |
| FR2757008A3 (fr) | Base de haut-parleur | |
| FR2827731A1 (fr) | Haut-parleur a radiation directe et rayonnement optimise | |
| BE462361A (enrdf_load_stackoverflow) | ||
| FR2680295A1 (fr) | Equipement retractable et pliable d'emission de sons audibles. | |
| FR2544530A1 (fr) | Ronfleur piezoelectrique | |
| EP0356298B1 (fr) | Installation sonore, en particulier stéréophonique, pour téléviseur | |
| FR2547687A3 (fr) | Appareil acoustique | |
| FR2674092A3 (fr) | Haut-parleur perfectionne. | |
| FR3085097A1 (fr) | Dispositif de rangement et de transport pour ecouteurs | |
| FR2757007A1 (fr) | Haur parleur a deux voies ayant un circuit magnetique double | |
| FR2551573A1 (fr) | Sirene electronique | |
| BE426921A (enrdf_load_stackoverflow) | ||
| BE492630A (enrdf_load_stackoverflow) | ||
| CH673356A5 (enrdf_load_stackoverflow) | ||
| FR2461431A3 (fr) | Radiomicrophone a plusieurs emplois avec circuit imprime extractible | |
| FR2548854A1 (fr) | Enceinte acoustique | |
| FR3137522A1 (fr) | Enceinte acoustique à haut-parleur tête bêche | |
| FR2686756A1 (fr) | Appareil comportant une membrane elastomere pour clavier a touche et un logement de microphone formant filtre acoustique realise dans la membrane elastomere. | |
| FR2826819A1 (fr) | Support destine a un telephone portable | |
| FR2638818A3 (fr) | Luminaire de poste de travail a interrupteur | |
| FR2773936A1 (fr) | Appareil telephonique mobile a ecoute amplifiee | |
| FR2764152A1 (fr) | Dispositif portable forme d'une partie principale et d'une partie pivotante | |
| FR2572164A1 (fr) | Dispositif de maintien demontable d'une lampe electrique dans un reflecteur |