FR1029511A - Appareil de transmission du son - Google Patents
Appareil de transmission du sonInfo
- Publication number
- FR1029511A FR1029511A FR1029511DA FR1029511A FR 1029511 A FR1029511 A FR 1029511A FR 1029511D A FR1029511D A FR 1029511DA FR 1029511 A FR1029511 A FR 1029511A
- Authority
- FR
- France
- Prior art keywords
- transmission device
- sound transmission
- sound
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04R27/00—Public address systems
- H04R27/04—Electric megaphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1029511T | 1950-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1029511A true FR1029511A (fr) | 1953-06-03 |
Family
ID=9581904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1029511D Expired FR1029511A (fr) | 1950-12-14 | 1950-12-14 | Appareil de transmission du son |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1029511A (fr) |
-
1950
- 1950-12-14 FR FR1029511D patent/FR1029511A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1087258A (fr) | Appareil de transmission en fac-similé | |
FR1083686A (fr) | Appareil producteur de son | |
FR1069649A (fr) | Appareil combiné de traduction optique ou magnétique du son | |
FR1016338A (fr) | Appareil de mandrinage | |
FR930006A (fr) | Dispositif de transmission stéréophonique du son | |
FR1067992A (fr) | Appareil de massage | |
FR1029511A (fr) | Appareil de transmission du son | |
FR1016702A (fr) | Appareil de massage | |
FR1106658A (fr) | Appareil de cyclothérapie | |
FR1049832A (fr) | Appareil téléphonique | |
FR1026069A (fr) | Appareil microphonique | |
FR61654E (fr) | Appareil autoclave ménager | |
FR1036458A (fr) | Appareil isolateur acoustique | |
FR1045355A (fr) | Appareil ménager | |
FR1058530A (fr) | Appareil de dictée | |
FR1038514A (fr) | Appareil pour le nettoyage du son | |
FR1080409A (fr) | Dispositif de reproduction du son | |
FR1071715A (fr) | Appareil de sous-solage | |
FR61295E (fr) | Appareil de transmission hydromécanique | |
FR1020205A (fr) | Appareil de massage | |
FR61711E (fr) | Appareil de dessin | |
FR1060809A (fr) | Appareil téléimprimeur | |
FR1039763A (fr) | Appareil de divertissement | |
FR1025165A (fr) | Appareil de transmission hydro-mécanique | |
FR1035695A (fr) | Appareil de mécanothérapie |