BR8402612A - SPEAKER BOX - Google Patents
SPEAKER BOXInfo
- Publication number
- BR8402612A BR8402612A BR8402612A BR8402612A BR8402612A BR 8402612 A BR8402612 A BR 8402612A BR 8402612 A BR8402612 A BR 8402612A BR 8402612 A BR8402612 A BR 8402612A BR 8402612 A BR8402612 A BR 8402612A
- Authority
- BR
- Brazil
- Prior art keywords
- speaker box
- speaker
- box
- Prior art date
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
-
- 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
- H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833319657 DE3319657A1 (en) | 1983-05-31 | 1983-05-31 | SPEAKER BOX |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8402612A true BR8402612A (en) | 1985-04-30 |
Family
ID=6200289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8402612A BR8402612A (en) | 1983-05-31 | 1984-05-30 | SPEAKER BOX |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0132530A3 (en) |
BR (1) | BR8402612A (en) |
DE (1) | DE3319657A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2273415B (en) * | 1992-12-11 | 1996-05-15 | George James Johnston | Loudspeaker enclosure |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2751997A (en) * | 1954-08-05 | 1956-06-26 | Jr Edward J Gately | Low frequency horn |
US2986229A (en) * | 1957-01-15 | 1961-05-30 | Gen Dynamics Corp | Loudspeaker enclosures |
US3112006A (en) * | 1961-02-08 | 1963-11-26 | Alfred H Roberts | Loudspeaker enclosures |
JPS4936416B1 (en) * | 1970-02-27 | 1974-09-30 | ||
DE2552591C3 (en) * | 1975-11-24 | 1984-04-12 | Gerhard 5490 Stolberg Wergen | Principle of a loudspeaker housing for the low frequency range |
DE2854899A1 (en) * | 1978-12-19 | 1980-07-10 | Erich Roske | Loudspeaker box with adjustable resonance - has tubes reducible in length until desires resonant frequency is attained as measured across resistor |
JPS5789393A (en) * | 1980-11-17 | 1982-06-03 | Bose Corp | Controller for low end response for loudspeaker system |
-
1983
- 1983-05-31 DE DE19833319657 patent/DE3319657A1/en not_active Withdrawn
-
1984
- 1984-05-24 EP EP84105898A patent/EP0132530A3/en not_active Withdrawn
- 1984-05-30 BR BR8402612A patent/BR8402612A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE3319657A1 (en) | 1984-12-06 |
EP0132530A3 (en) | 1986-10-29 |
EP0132530A2 (en) | 1985-02-13 |
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