GB2399473B - Loudspeaker with low distortion precise imaging and deep bass - Google Patents
Loudspeaker with low distortion precise imaging and deep bassInfo
- Publication number
- GB2399473B GB2399473B GB0405145A GB0405145A GB2399473B GB 2399473 B GB2399473 B GB 2399473B GB 0405145 A GB0405145 A GB 0405145A GB 0405145 A GB0405145 A GB 0405145A GB 2399473 B GB2399473 B GB 2399473B
- Authority
- GB
- United Kingdom
- Prior art keywords
- loudspeaker
- low distortion
- deep bass
- precise imaging
- precise
- 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
- 238000003384 imaging method Methods 0.000 title 1
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
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 |
---|---|---|---|
GB0305770A GB0305770D0 (en) | 2003-03-13 | 2003-03-13 | Single drive transmission line loud speakers using sound absorbent case construction |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0405145D0 GB0405145D0 (en) | 2004-04-07 |
GB2399473A GB2399473A (en) | 2004-09-15 |
GB2399473B true GB2399473B (en) | 2005-10-19 |
Family
ID=9954712
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0305770A Ceased GB0305770D0 (en) | 2003-03-13 | 2003-03-13 | Single drive transmission line loud speakers using sound absorbent case construction |
GB0405145A Expired - Fee Related GB2399473B (en) | 2003-03-13 | 2004-03-08 | Loudspeaker with low distortion precise imaging and deep bass |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0305770A Ceased GB0305770D0 (en) | 2003-03-13 | 2003-03-13 | Single drive transmission line loud speakers using sound absorbent case construction |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB0305770D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10536769B2 (en) | 2016-05-02 | 2020-01-14 | Dolby International Ab | Sealed pipe-loaded loudspeaker for improving low frequency response in portable devices |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB717210A (en) * | 1952-02-05 | 1954-10-20 | George Harris Kuhl | Improvements in or relating to method and apparatus for increasing the fidelity of asound reproducing system |
GB1105577A (en) * | 1964-06-17 | 1968-03-06 | Henri Georges Faucherre | Assembly comprising a loudspeaker and its enclosure |
JPS55147897A (en) * | 1979-05-07 | 1980-11-18 | Sanyo Electric Co Ltd | Speaker cabinet |
EP0281956A1 (en) * | 1987-03-13 | 1988-09-14 | EWD Electronic-Werke Deutschland GmbH | Cabinet for electronic entertainment equipment |
WO1990007103A1 (en) * | 1988-12-14 | 1990-06-28 | Ralph William Oakley | Sound reflection unit and audio loudspeaker unit comprising such a sound reflection unit |
-
2003
- 2003-03-13 GB GB0305770A patent/GB0305770D0/en not_active Ceased
-
2004
- 2004-03-08 GB GB0405145A patent/GB2399473B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB717210A (en) * | 1952-02-05 | 1954-10-20 | George Harris Kuhl | Improvements in or relating to method and apparatus for increasing the fidelity of asound reproducing system |
GB1105577A (en) * | 1964-06-17 | 1968-03-06 | Henri Georges Faucherre | Assembly comprising a loudspeaker and its enclosure |
JPS55147897A (en) * | 1979-05-07 | 1980-11-18 | Sanyo Electric Co Ltd | Speaker cabinet |
EP0281956A1 (en) * | 1987-03-13 | 1988-09-14 | EWD Electronic-Werke Deutschland GmbH | Cabinet for electronic entertainment equipment |
WO1990007103A1 (en) * | 1988-12-14 | 1990-06-28 | Ralph William Oakley | Sound reflection unit and audio loudspeaker unit comprising such a sound reflection unit |
Also Published As
Publication number | Publication date |
---|---|
GB0305770D0 (en) | 2003-04-16 |
GB0405145D0 (en) | 2004-04-07 |
GB2399473A (en) | 2004-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120308 |