FR1118002A - Device for sound reproduction - Google Patents
Device for sound reproductionInfo
- Publication number
- FR1118002A FR1118002A FR1118002DA FR1118002A FR 1118002 A FR1118002 A FR 1118002A FR 1118002D A FR1118002D A FR 1118002DA FR 1118002 A FR1118002 A FR 1118002A
- Authority
- FR
- France
- Prior art keywords
- sound reproduction
- reproduction
- sound
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS1118002X | 1954-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1118002A true FR1118002A (en) | 1956-05-30 |
Family
ID=5457349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1118002D Expired FR1118002A (en) | 1954-01-20 | 1955-01-20 | Device for sound reproduction |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1118002A (en) |
-
1955
- 1955-01-20 FR FR1118002D patent/FR1118002A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH371618A (en) | Electromechanical transducer device | |
FR1116387A (en) | Device for presenting ties | |
FR1173920A (en) | Device for controlling signal clipping | |
FR1115015A (en) | Spearfishing device | |
CH322285A (en) | Sound player device for cinematographic projector | |
FR1054526A (en) | Device for sound absorption | |
FR1183056A (en) | Electro-acoustic device for the reproduction of low notes | |
FR1118002A (en) | Device for sound reproduction | |
FR1141427A (en) | Reproduction device for acoustic magnetic tapes | |
FR1136895A (en) | Recording device | |
FR1245563A (en) | Device for recording telephone messages | |
FR1109095A (en) | Dust evacuation device | |
FR1132909A (en) | Stereophonic sound reproduction device | |
FR1104019A (en) | Device for debarking wood | |
FR1092870A (en) | Advanced mechanism for playing discs | |
FR1105317A (en) | Separating device for textiles | |
FR1120490A (en) | Device for playing phonograph records | |
FR1163485A (en) | Amplifier device | |
FR1096338A (en) | Compensating device for presses | |
FR1109135A (en) | Device for scoring points | |
FR1159735A (en) | Device for sound absorption | |
FR1113216A (en) | Device for presenting flowers | |
FR1121745A (en) | Silent device, especially for air filter | |
FR1147490A (en) | Device for framing films | |
FR1115449A (en) | Tensioning device for formwork |