FR2470511B1 - - Google Patents
Info
- Publication number
- FR2470511B1 FR2470511B1 FR7929010A FR7929010A FR2470511B1 FR 2470511 B1 FR2470511 B1 FR 2470511B1 FR 7929010 A FR7929010 A FR 7929010A FR 7929010 A FR7929010 A FR 7929010A FR 2470511 B1 FR2470511 B1 FR 2470511B1
- Authority
- FR
- France
- 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
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- 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
-
- 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
- H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
- H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7929010A FR2470511A1 (fr) | 1979-11-20 | 1979-11-20 | Enceinte acoustique du type " actif - passif " associee a un resonateur |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7929010A FR2470511A1 (fr) | 1979-11-20 | 1979-11-20 | Enceinte acoustique du type " actif - passif " associee a un resonateur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2470511A1 FR2470511A1 (fr) | 1981-05-29 |
FR2470511B1 true FR2470511B1 (fr) | 1982-06-18 |
Family
ID=9232065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7929010A Granted FR2470511A1 (fr) | 1979-11-20 | 1979-11-20 | Enceinte acoustique du type " actif - passif " associee a un resonateur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2470511A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1196717A (fr) * | 1983-06-16 | 1985-11-12 | Peter Fatovic | Enceinte de haut-parleur pour communications phoniques |
US4930596A (en) * | 1987-06-16 | 1990-06-05 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker system |
US5025885A (en) * | 1989-07-14 | 1991-06-25 | Bose Corporation | Multiple chamber loudspeaker system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5644148Y2 (fr) * | 1976-01-19 | 1981-10-15 | ||
US4064966A (en) * | 1976-03-11 | 1977-12-27 | Burton William D | Loudspeaker apparatus |
FR2361032A1 (fr) * | 1976-08-06 | 1978-03-03 | Elipson | Perfectionnement aux enceintes acoustiques |
-
1979
- 1979-11-20 FR FR7929010A patent/FR2470511A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2470511A1 (fr) | 1981-05-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |