FR2421518A1 - Plaque metallique associee a un haut-parleur - Google Patents
Plaque metallique associee a un haut-parleurInfo
- Publication number
- FR2421518A1 FR2421518A1 FR7809831A FR7809831A FR2421518A1 FR 2421518 A1 FR2421518 A1 FR 2421518A1 FR 7809831 A FR7809831 A FR 7809831A FR 7809831 A FR7809831 A FR 7809831A FR 2421518 A1 FR2421518 A1 FR 2421518A1
- Authority
- FR
- France
- Prior art keywords
- loudspeaker
- central hole
- sheet metal
- aluminium sheet
- metal mounting
- 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.)
- Withdrawn
Links
- 229910052782 aluminium Inorganic materials 0.000 title abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 2
- 230000003071 parasitic effect Effects 0.000 title abstract 2
- 239000004411 aluminium Substances 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000000463 material Substances 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
- H04R1/2811—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)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Dispositif permettant d'amplifier les sons produits par un haut-parleur électromagnétique. Il comprend une tôle métallique 1, percée d'un orifice 2, derrière lequel est fixé un haut-parleur 3. Le double pliage 4 et 5 des deux côtés permet la fixation au mur et évite le phénomène de résonnance. L'invention peut être utilisée pour la production des sons en électronique basse fréquence.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7809831A FR2421518A1 (fr) | 1978-03-29 | 1978-03-29 | Plaque metallique associee a un haut-parleur |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7809831A FR2421518A1 (fr) | 1978-03-29 | 1978-03-29 | Plaque metallique associee a un haut-parleur |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2421518A1 true FR2421518A1 (fr) | 1979-10-26 |
Family
ID=9206612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7809831A Withdrawn FR2421518A1 (fr) | 1978-03-29 | 1978-03-29 | Plaque metallique associee a un haut-parleur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2421518A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0041473A1 (fr) * | 1980-05-29 | 1981-12-09 | Securor S.A. | Guichet de sécurité |
WO2001078444A1 (fr) * | 2000-04-07 | 2001-10-18 | Advance Technologie Audio Organisation Sa (Atao) | Enceinte acoustique dynamique |
FR2859863A1 (fr) * | 2003-09-15 | 2005-03-18 | Pierre Piccaluga | Transducteur a differentiel de masse active avant arriere |
-
1978
- 1978-03-29 FR FR7809831A patent/FR2421518A1/fr not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0041473A1 (fr) * | 1980-05-29 | 1981-12-09 | Securor S.A. | Guichet de sécurité |
WO2001078444A1 (fr) * | 2000-04-07 | 2001-10-18 | Advance Technologie Audio Organisation Sa (Atao) | Enceinte acoustique dynamique |
FR2859863A1 (fr) * | 2003-09-15 | 2005-03-18 | Pierre Piccaluga | Transducteur a differentiel de masse active avant arriere |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |