FR971517A - Improvements to acoustic damping devices - Google Patents
Improvements to acoustic damping devicesInfo
- Publication number
- FR971517A FR971517A FR971517DA FR971517A FR 971517 A FR971517 A FR 971517A FR 971517D A FR971517D A FR 971517DA FR 971517 A FR971517 A FR 971517A
- Authority
- FR
- France
- Prior art keywords
- damping devices
- acoustic damping
- acoustic
- devices
- damping
- 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
- 238000013016 damping Methods 0.000 title 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
-
- 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
- H04R1/2811—Enclosures comprising vibrating or resonating arrangements 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
- H04R1/28—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
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
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 |
---|---|---|---|
FR971517T | 1940-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR971517A true FR971517A (en) | 1951-01-18 |
Family
ID=9514060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR971517D Expired FR971517A (en) | 1940-09-05 | 1940-09-05 | Improvements to acoustic damping devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR971517A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3324966A (en) * | 1966-10-12 | 1967-06-13 | Stephen L Heidrich | Electro-acoustic transducers |
US3470976A (en) * | 1967-12-11 | 1969-10-07 | Procter Brevard | High fidelity speaker |
FR2507423A1 (en) * | 1981-06-04 | 1982-12-10 | Mulidine Sarl | Acoustic enclosure for hi=fi loudspeaker - has three linked chambers ensuring resonant frequency is above normal operating range |
FR2579852A1 (en) * | 1985-03-28 | 1986-10-03 | Jacquet Castellano Patrice | High-efficiency acoustic enclosure |
EP3169082A1 (en) * | 2015-10-20 | 2017-05-17 | Sonion Nederland B.V. | Microphone assembly with suppressed frequency response |
-
1940
- 1940-09-05 FR FR971517D patent/FR971517A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3324966A (en) * | 1966-10-12 | 1967-06-13 | Stephen L Heidrich | Electro-acoustic transducers |
US3470976A (en) * | 1967-12-11 | 1969-10-07 | Procter Brevard | High fidelity speaker |
FR2507423A1 (en) * | 1981-06-04 | 1982-12-10 | Mulidine Sarl | Acoustic enclosure for hi=fi loudspeaker - has three linked chambers ensuring resonant frequency is above normal operating range |
FR2579852A1 (en) * | 1985-03-28 | 1986-10-03 | Jacquet Castellano Patrice | High-efficiency acoustic enclosure |
EP3169082A1 (en) * | 2015-10-20 | 2017-05-17 | Sonion Nederland B.V. | Microphone assembly with suppressed frequency response |
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