FR2365926B1 - - Google Patents
Info
- Publication number
- FR2365926B1 FR2365926B1 FR7705436A FR7705436A FR2365926B1 FR 2365926 B1 FR2365926 B1 FR 2365926B1 FR 7705436 A FR7705436 A FR 7705436A FR 7705436 A FR7705436 A FR 7705436A FR 2365926 B1 FR2365926 B1 FR 2365926B1
- 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
- H04R1/2815—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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72737076A | 1976-09-27 | 1976-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2365926A1 FR2365926A1 (fr) | 1978-04-21 |
| FR2365926B1 true FR2365926B1 (enExample) | 1980-02-22 |
Family
ID=24922379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7705436A Granted FR2365926A1 (fr) | 1976-09-27 | 1977-02-24 | Systeme haut-parleur |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5342722A (enExample) |
| AR (1) | AR211052A1 (enExample) |
| AU (1) | AU2277577A (enExample) |
| BE (1) | BE851924A (enExample) |
| BR (1) | BR7701164A (enExample) |
| DE (1) | DE2708872A1 (enExample) |
| DK (1) | DK89577A (enExample) |
| ES (1) | ES456320A1 (enExample) |
| FR (1) | FR2365926A1 (enExample) |
| NL (1) | NL7702202A (enExample) |
| NO (1) | NO770712L (enExample) |
| PT (1) | PT66254B (enExample) |
| SE (1) | SE7701417L (enExample) |
Families Citing this family (9)
| 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 |
| FR2598875A1 (fr) * | 1986-05-14 | 1987-11-20 | Cabasse Georges | Enceinte acoustique a accord variable |
| EP0403900A3 (de) * | 1989-06-20 | 1992-03-25 | Krister Amnéus | Elektroakustische Lautsprechervorrichtung |
| DE3920041C1 (enExample) * | 1989-06-20 | 1990-12-06 | Amneus Engineering, Vaellingby, Se | |
| 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 ES ES456320A patent/ES456320A1/es not_active Expired
- 1977-02-25 BR BR7701164A patent/BR7701164A/pt unknown
- 1977-02-28 AU AU22775/77A patent/AU2277577A/en not_active Expired
- 1977-02-28 BE BE175347A patent/BE851924A/xx unknown
- 1977-03-01 DE DE19772708872 patent/DE2708872A1/de active Pending
- 1977-03-01 DK DK89577A patent/DK89577A/da not_active Application Discontinuation
- 1977-03-01 PT PT66254A patent/PT66254B/pt unknown
- 1977-03-02 NL NL7702202A patent/NL7702202A/xx not_active Application Discontinuation
- 1977-03-02 NO NO770712A patent/NO770712L/no unknown
- 1977-03-02 JP JP2165877A patent/JPS5342722A/ja active Pending
- 1977-03-10 AR AR266726A patent/AR211052A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| PT66254B (en) | 1978-08-07 |
| JPS5342722A (en) | 1978-04-18 |
| AU2277577A (en) | 1978-09-07 |
| SE7701417L (sv) | 1978-03-28 |
| DK89577A (da) | 1978-03-28 |
| DE2708872A1 (de) | 1978-03-30 |
| BR7701164A (pt) | 1978-06-06 |
| ES456320A1 (es) | 1978-02-01 |
| AR211052A1 (es) | 1977-10-14 |
| BE851924A (fr) | 1977-08-29 |
| NL7702202A (nl) | 1978-03-29 |
| PT66254A (en) | 1977-04-01 |
| NO770712L (no) | 1978-03-29 |
| FR2365926A1 (fr) | 1978-04-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |