FR2334259A1 - Nouvelle enceinte acoustique - Google Patents
Nouvelle enceinte acoustiqueInfo
- Publication number
- FR2334259A1 FR2334259A1 FR7536678A FR7536678A FR2334259A1 FR 2334259 A1 FR2334259 A1 FR 2334259A1 FR 7536678 A FR7536678 A FR 7536678A FR 7536678 A FR7536678 A FR 7536678A FR 2334259 A1 FR2334259 A1 FR 2334259A1
- Authority
- FR
- France
- Prior art keywords
- glass fibre
- low frequency
- frequency response
- sound pipe
- cabinet
- 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.)
- Granted
Links
- 239000011152 fibreglass Substances 0.000 title 1
- 239000003365 glass fiber Substances 0.000 abstract 5
- 239000011358 absorbing material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 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
- 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
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
- H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line 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
-
- 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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Exhaust Silencers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7536678A FR2334259A1 (fr) | 1975-12-01 | 1975-12-01 | Nouvelle enceinte acoustique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7536678A FR2334259A1 (fr) | 1975-12-01 | 1975-12-01 | Nouvelle enceinte acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2334259A1 true FR2334259A1 (fr) | 1977-07-01 |
FR2334259B1 FR2334259B1 (cs) | 1978-05-12 |
Family
ID=9163134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7536678A Granted FR2334259A1 (fr) | 1975-12-01 | 1975-12-01 | Nouvelle enceinte acoustique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2334259A1 (cs) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2418990A1 (fr) * | 1978-03-03 | 1979-09-28 | Brothier Laboratoires | Emetteur de son utilisant un haut-parleur |
FR2433268A1 (fr) * | 1978-08-11 | 1980-03-07 | Kerno Roland | Perfectionnements apportes aux amenagements de dispositifs acoustiques du type enceintes acoustiques |
EP0111408A1 (en) * | 1982-12-02 | 1984-06-20 | Celestion International Limited | Loudspeaker cabinets |
WO1985003186A1 (en) * | 1984-01-06 | 1985-07-18 | Asquith, Anthony | Loudspeaker system with boundary layer control |
-
1975
- 1975-12-01 FR FR7536678A patent/FR2334259A1/fr active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2418990A1 (fr) * | 1978-03-03 | 1979-09-28 | Brothier Laboratoires | Emetteur de son utilisant un haut-parleur |
FR2433268A1 (fr) * | 1978-08-11 | 1980-03-07 | Kerno Roland | Perfectionnements apportes aux amenagements de dispositifs acoustiques du type enceintes acoustiques |
EP0111408A1 (en) * | 1982-12-02 | 1984-06-20 | Celestion International Limited | Loudspeaker cabinets |
WO1985003186A1 (en) * | 1984-01-06 | 1985-07-18 | Asquith, Anthony | Loudspeaker system with boundary layer control |
Also Published As
Publication number | Publication date |
---|---|
FR2334259B1 (cs) | 1978-05-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU544468B2 (en) | Acoustic modifiers | |
ES288111U (es) | Una caja acustica con un filtro acustico paso-banda integra-do | |
GB1544361A (en) | Process for making sound insulation panels | |
DK162849C (da) | Lydabsorberende byggeblok | |
JPS5687998A (en) | Microphone sound inlet | |
FI844738L (fi) | Saett och apparat foer aktivering av stora partiklar. | |
FR2334259A1 (fr) | Nouvelle enceinte acoustique | |
GB1147492A (en) | Sound absorbing device | |
IT1080326B (it) | Pannelli metallici fonoassorbenti e loro produzione | |
JPS5573200A (en) | Capacitor-type speaker | |
JPS5439626A (en) | Cone type honeycomb form diaphragm | |
JPS53116101A (en) | Acoustic reproducer | |
FR2350556A1 (fr) | Element prefabrique de ventilation et de climatisation | |
GB765184A (en) | Improvements in or relating to loudspeakers | |
FR2414275A1 (fr) | Enceinte acoustique pour haut-parleur | |
BE818093A (fr) | Panneaux d'isolation acoustique et leur procede de fabrication | |
JPS53125820A (en) | Speaker system | |
FR2266251A1 (en) | Sound insulation for industrial air compressor - has separate insulating panels attached to ventilator unit at one end | |
FR2312909A1 (fr) | Enceinte acoustique perfectionnee | |
JPS5245716A (en) | Sealed type motor compressor | |
JPS56107693A (en) | Sound absorbing pipe speaker | |
JPS529921A (en) | High performance sound insulation wall | |
JPS5297010A (en) | Exhasut air silencer | |
GB932521A (en) | Improvements relating to noise reducing enclosures | |
JPS5377679A (en) | Watch with alarm |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |