FR2418990B1 - - Google Patents
Info
- Publication number
- FR2418990B1 FR2418990B1 FR7806122A FR7806122A FR2418990B1 FR 2418990 B1 FR2418990 B1 FR 2418990B1 FR 7806122 A FR7806122 A FR 7806122A FR 7806122 A FR7806122 A FR 7806122A FR 2418990 B1 FR2418990 B1 FR 2418990B1
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7806122A FR2418990A1 (fr) | 1978-03-03 | 1978-03-03 | Emetteur de son utilisant un haut-parleur |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7806122A FR2418990A1 (fr) | 1978-03-03 | 1978-03-03 | Emetteur de son utilisant un haut-parleur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2418990A1 FR2418990A1 (fr) | 1979-09-28 |
FR2418990B1 true FR2418990B1 (fr) | 1984-07-13 |
Family
ID=9205312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7806122A Granted FR2418990A1 (fr) | 1978-03-03 | 1978-03-03 | Emetteur de son utilisant un haut-parleur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2418990A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2609590B1 (fr) * | 1986-04-21 | 1993-12-10 | Bonnel Regis | Le sous-baffle en mousse de plastique |
FR2608343B1 (fr) * | 1986-12-12 | 1989-06-16 | Eloise Pillerault | Procede d'egalisation de la reponse amplitude/frequence d'un ensemble transducteur electro-acoustique, ensemble transducteur correspondant |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB903995A (en) * | 1957-09-10 | 1962-08-22 | Philips Electrical Ind Ltd | Improvements in or relating to loudspeaker enclosures |
US3696886A (en) * | 1968-05-03 | 1972-10-10 | James C Armstrong | Speaker cabinet enclosure and method of tuning thereof |
FR2245143A1 (en) * | 1973-09-21 | 1975-04-18 | Batlouni Emile | Vented tubular loudspeaker enclosure - has low fundamental resonant frequency and omnidirectional output |
FR2260916A1 (en) * | 1974-02-07 | 1975-09-05 | Dumez Johan | Loudspeaker directional enclosure - has diaphragm forming two separate parts for low and high frequency sounds |
FR2334259A1 (fr) * | 1975-12-01 | 1977-07-01 | Art Acoustique Appliquee | Nouvelle enceinte acoustique |
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1978
- 1978-03-03 FR FR7806122A patent/FR2418990A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2418990A1 (fr) | 1979-09-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
TP | Transmission of property | ||
ST | Notification of lapse |