BR7701164A - Sistemas de alto-falantes - Google Patents
Sistemas de alto-falantesInfo
- Publication number
- BR7701164A BR7701164A BR7701164A BR7701164A BR7701164A BR 7701164 A BR7701164 A BR 7701164A BR 7701164 A BR7701164 A BR 7701164A BR 7701164 A BR7701164 A BR 7701164A BR 7701164 A BR7701164 A BR 7701164A
- Authority
- BR
- Brazil
- Prior art keywords
- speaker systems
- speaker
- systems
- 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
- H04R1/2823—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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72737076A | 1976-09-27 | 1976-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7701164A true BR7701164A (pt) | 1978-06-06 |
Family
ID=24922379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7701164A BR7701164A (pt) | 1976-09-27 | 1977-02-25 | Sistemas de alto-falantes |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5342722A (pt) |
AR (1) | AR211052A1 (pt) |
AU (1) | AU2277577A (pt) |
BE (1) | BE851924A (pt) |
BR (1) | BR7701164A (pt) |
DE (1) | DE2708872A1 (pt) |
DK (1) | DK89577A (pt) |
ES (1) | ES456320A1 (pt) |
FR (1) | FR2365926A1 (pt) |
NL (1) | NL7702202A (pt) |
NO (1) | NO770712L (pt) |
PT (1) | PT66254B (pt) |
SE (1) | SE7701417L (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417909A1 (fr) * | 1978-02-17 | 1979-09-14 | Thaille Jean Louis | Regulateur de pression (ou charge) acoustique |
FR2429535A3 (fr) * | 1978-06-23 | 1980-01-18 | Thomson Brandt | Enceinte acoustique a contre resonance et a event freine adaptable |
FR2598875A1 (fr) * | 1986-05-14 | 1987-11-20 | Cabasse Georges | Enceinte acoustique a accord variable |
DE3920041C1 (pt) * | 1989-06-20 | 1990-12-06 | Amneus Engineering, Vaellingby, Se | |
EP0403900A3 (de) * | 1989-06-20 | 1992-03-25 | Krister Amnéus | Elektroakustische Lautsprechervorrichtung |
US6470088B2 (en) | 2000-12-27 | 2002-10-22 | Koninklijke Philips Electronics, N.V. | Vented loudspeaker enclosure with limited driver radiation |
WO2008025060A1 (en) * | 2006-08-29 | 2008-03-06 | Immersion Technology Property Limited | Loudspeaker system with adjustable response |
JP4875039B2 (ja) * | 2008-09-24 | 2012-02-15 | ボーズ・コーポレーション | 能動型ノイズ低減ヘッドセット |
IT1399292B1 (it) * | 2009-11-17 | 2013-04-11 | Sonus Faber S P A | Accorgimento progettuale per l'accordo di camere di risonanza in sistemi di altoparlanti. |
JP5880039B2 (ja) * | 2011-12-28 | 2016-03-08 | ヤマハ株式会社 | スピーカ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1138781A (fr) * | 1954-09-03 | 1957-06-19 | Goodmans Ind Ltd | Coffret de haut-parleur |
US3360073A (en) * | 1966-08-08 | 1967-12-26 | Musi Cloud Inc | Loud speaker enclosure |
US3684051A (en) * | 1970-10-08 | 1972-08-15 | Herbert J Hopkins | Acoustic duct speaker system |
GB1403354A (en) * | 1971-05-25 | 1975-08-28 | Gabr S Z M | Loudspeaker cabinets |
-
1977
- 1977-02-09 SE SE7701417A patent/SE7701417L/xx unknown
- 1977-02-24 FR FR7705436A patent/FR2365926A1/fr active Granted
- 1977-02-25 BR BR7701164A patent/BR7701164A/pt unknown
- 1977-02-25 ES ES456320A patent/ES456320A1/es not_active Expired
- 1977-02-28 BE BE175347A patent/BE851924A/xx unknown
- 1977-02-28 AU AU22775/77A patent/AU2277577A/en not_active Expired
- 1977-03-01 PT PT66254A patent/PT66254B/pt unknown
- 1977-03-01 DE DE19772708872 patent/DE2708872A1/de active Pending
- 1977-03-01 DK DK89577A patent/DK89577A/da not_active Application Discontinuation
- 1977-03-02 NO NO770712A patent/NO770712L/no unknown
- 1977-03-02 JP JP2165877A patent/JPS5342722A/ja active Pending
- 1977-03-02 NL NL7702202A patent/NL7702202A/xx not_active Application Discontinuation
- 1977-03-10 AR AR266726A patent/AR211052A1/es active
Also Published As
Publication number | Publication date |
---|---|
AU2277577A (en) | 1978-09-07 |
PT66254B (en) | 1978-08-07 |
FR2365926A1 (fr) | 1978-04-21 |
DE2708872A1 (de) | 1978-03-30 |
DK89577A (da) | 1978-03-28 |
SE7701417L (sv) | 1978-03-28 |
FR2365926B1 (pt) | 1980-02-22 |
NL7702202A (nl) | 1978-03-29 |
PT66254A (en) | 1977-04-01 |
BE851924A (fr) | 1977-08-29 |
AR211052A1 (es) | 1977-10-14 |
NO770712L (no) | 1978-03-29 |
JPS5342722A (en) | 1978-04-18 |
ES456320A1 (es) | 1978-02-01 |
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