FR2770734B1 - Enceinte acoustique amelioree - Google Patents
Enceinte acoustique amelioreeInfo
- Publication number
- FR2770734B1 FR2770734B1 FR9803245A FR9803245A FR2770734B1 FR 2770734 B1 FR2770734 B1 FR 2770734B1 FR 9803245 A FR9803245 A FR 9803245A FR 9803245 A FR9803245 A FR 9803245A FR 2770734 B1 FR2770734 B1 FR 2770734B1
- Authority
- FR
- France
- Prior art keywords
- improved acoustic
- acoustic speaker
- speaker
- improved
- acoustic
- 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 - Fee Related
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
- H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
- H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line 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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9803245A FR2770734B1 (fr) | 1997-10-31 | 1998-03-17 | Enceinte acoustique amelioree |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9713707A FR2770733A1 (fr) | 1997-10-31 | 1997-10-31 | Enceinte acoustique amelioree |
FR9803245A FR2770734B1 (fr) | 1997-10-31 | 1998-03-17 | Enceinte acoustique amelioree |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2770734A1 FR2770734A1 (fr) | 1999-05-07 |
FR2770734B1 true FR2770734B1 (fr) | 2002-12-13 |
Family
ID=26233910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9803245A Expired - Fee Related FR2770734B1 (fr) | 1997-10-31 | 1998-03-17 | Enceinte acoustique amelioree |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2770734B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018195836A1 (fr) * | 2017-04-26 | 2018-11-01 | 大连理工大学 | Structure d'isolation et d'absorption sonores ultra-mince à large bande commandant un trajet de propagation d'ondes sonores |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7426280B2 (en) | 2001-01-02 | 2008-09-16 | Bose Corporation | Electroacoustic waveguide transducing |
US8098867B2 (en) | 2006-11-30 | 2012-01-17 | Motorola Mobility, Inc. | Attachable external acoustic chamber for a mobile device |
US8180075B2 (en) | 2007-04-26 | 2012-05-15 | Motorola Mobility, Inc. | Arrangement for variable bass reflex cavities |
US8712086B2 (en) | 2007-12-27 | 2014-04-29 | Motorola Mobility Llc | Acoustic reconfiguration devices and methods |
US20090169040A1 (en) * | 2007-12-27 | 2009-07-02 | Motorola Inc | Devices and methods for enhancing the frequency output of a portable audio device |
US10536769B2 (en) | 2016-05-02 | 2020-01-14 | Dolby International Ab | Sealed pipe-loaded loudspeaker for improving low frequency response in portable devices |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB337264A (en) * | 1929-12-13 | 1930-10-30 | Celestion Ltd | Improvements relating to acoustic instruments |
US2224919A (en) * | 1937-03-31 | 1940-12-17 | Rca Corp | Loud-speaker |
DE3214226C2 (de) * | 1982-04-17 | 1987-02-26 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Lautsprecher mit Schallumwegleitung |
JP3104073B2 (ja) * | 1990-12-22 | 2000-10-30 | ソニー株式会社 | テレビジョン受像機のスピーカ装置 |
US5373564A (en) * | 1992-10-02 | 1994-12-13 | Spear; Robert J. | Transmission line for planar waves |
US6278789B1 (en) * | 1993-05-06 | 2001-08-21 | Bose Corporation | Frequency selective acoustic waveguide damping |
-
1998
- 1998-03-17 FR FR9803245A patent/FR2770734B1/fr not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018195836A1 (fr) * | 2017-04-26 | 2018-11-01 | 大连理工大学 | Structure d'isolation et d'absorption sonores ultra-mince à large bande commandant un trajet de propagation d'ondes sonores |
Also Published As
Publication number | Publication date |
---|---|
FR2770734A1 (fr) | 1999-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20051130 |