FR639302A - Dispositif haut-parleur - Google Patents
Dispositif haut-parleurInfo
- Publication number
- FR639302A FR639302A FR639302DA FR639302A FR 639302 A FR639302 A FR 639302A FR 639302D A FR639302D A FR 639302DA FR 639302 A FR639302 A FR 639302A
- Authority
- FR
- France
- Prior art keywords
- speaker device
- speaker
- 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
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
- H04R1/2815—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 |
---|---|---|---|
DE639302X | 1926-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR639302A true FR639302A (fr) | 1928-06-19 |
Family
ID=6579828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR639302D Expired FR639302A (fr) | 1926-08-17 | 1927-08-11 | Dispositif haut-parleur |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE344505A (fr) |
FR (1) | FR639302A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2502821A1 (fr) * | 1981-03-30 | 1982-10-01 | Jacquet Patrice | Enceinte acoustique double volume a compresseur degrave. amplificateur de son. haute fidelite |
-
0
- BE BE344505D patent/BE344505A/xx unknown
-
1927
- 1927-08-11 FR FR639302D patent/FR639302A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE344505A (fr) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR660570A (fr) | Dispositif acoustique | |
FR634695A (fr) | Dispositif vibratoire électrostatique | |
FR617472A (fr) | Dispositif de filage | |
FR639302A (fr) | Dispositif haut-parleur | |
FR634033A (fr) | Dispositif amplificateur multiple | |
FR622616A (fr) | Dispositif servo-frein | |
FR31896E (fr) | Dispositif de herse perfectionnée | |
FR629456A (fr) | Dispositif de théâtre | |
FR624463A (fr) | Dispositif de luxmètre | |
FR642963A (fr) | Microtéléphone | |
FR626183A (fr) | Dispositif de freinage | |
FR623546A (fr) | Dispositif de bobinage | |
DK42035C (da) | Akustisk Anordning. | |
DK44299C (da) | Akustisk Anordning. | |
FR620429A (fr) | Dispositif funéraire | |
FR589457A (fr) | Dispositif anti-vibrateur | |
FR674270A (fr) | Dispositif acoustique | |
FR637464A (fr) | Dispositif de sauvetage | |
FR631608A (fr) | Dispositif de carburation | |
FR624485A (fr) | Dispositif avertisseur | |
FR622808A (fr) | Dispositif de chalutage | |
FR637915A (fr) | Dispositif de publicité | |
FR626941A (fr) | Dispositif de publicité | |
FR610243A (fr) | Dispositif de gommage | |
FR615105A (fr) | Dispositif dit |