GB841440A - Improvements in or relating to loudspeakers - Google Patents
Improvements in or relating to loudspeakersInfo
- Publication number
- GB841440A GB841440A GB37514/57A GB3751457A GB841440A GB 841440 A GB841440 A GB 841440A GB 37514/57 A GB37514/57 A GB 37514/57A GB 3751457 A GB3751457 A GB 3751457A GB 841440 A GB841440 A GB 841440A
- Authority
- GB
- United Kingdom
- Prior art keywords
- open
- loud
- side walls
- loudspeakers
- relating
- 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
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
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
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)
Abstract
841,440. Loud-speakers. PLESSEY CO. Ltd. Nov. 28, 1958 [Dec. 2, 1957], No. 37514/57. Class 40 (4). [Also in Group XXXVIII] A loud-speaker baffle comprises three walls 1, 2, 3 of a truncated pyramid standing on a trapezoidal base, the fourth face of which is left open. The front wall carries the bass and perhaps an intermediate speaker while the side walls carry tweeters. The top may be open or may have a panel 6. The bottom is preferably open. The side walls are braced at 7 and 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB37514/57A GB841440A (en) | 1957-12-02 | 1957-12-02 | Improvements in or relating to loudspeakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB37514/57A GB841440A (en) | 1957-12-02 | 1957-12-02 | Improvements in or relating to loudspeakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB841440A true GB841440A (en) | 1960-07-13 |
Family
ID=10397043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB37514/57A Expired GB841440A (en) | 1957-12-02 | 1957-12-02 | Improvements in or relating to loudspeakers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB841440A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3131783A (en) * | 1960-11-04 | 1964-05-05 | Santos J Mares | Loud-speaker enclosure |
| USD360634S (en) | 1993-12-21 | 1995-07-25 | Alleva Christopher J | Combined speaker enclosure and pedestal stand |
| GB2323743A (en) * | 1997-03-25 | 1998-09-30 | Buenzow Hans Dieter | A faceted housing for a loudspeaker |
| WO2012051650A1 (en) | 2010-10-21 | 2012-04-26 | Acoustic 3D Holdings Limited | Acoustic diffusion generator |
| WO2016113692A1 (en) * | 2015-01-14 | 2016-07-21 | Gawlowski Jacek | Three-way loudspeaker system with column for subwoofer |
| US11140471B2 (en) | 2017-03-01 | 2021-10-05 | Dolby Laboratories Licensing Corporation | Multiple dispersion standalone stereo loudspeakers |
-
1957
- 1957-12-02 GB GB37514/57A patent/GB841440A/en not_active Expired
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3131783A (en) * | 1960-11-04 | 1964-05-05 | Santos J Mares | Loud-speaker enclosure |
| USD360634S (en) | 1993-12-21 | 1995-07-25 | Alleva Christopher J | Combined speaker enclosure and pedestal stand |
| GB2323743A (en) * | 1997-03-25 | 1998-09-30 | Buenzow Hans Dieter | A faceted housing for a loudspeaker |
| GB2323743B (en) * | 1997-03-25 | 2001-08-22 | Buenzow Hans Dieter | A housing for a loudspeaker |
| WO2012051650A1 (en) | 2010-10-21 | 2012-04-26 | Acoustic 3D Holdings Limited | Acoustic diffusion generator |
| US9124968B2 (en) | 2010-10-21 | 2015-09-01 | Acoustic 3D Holdings Limited | Acoustic diffusion generator with wells and fluted fins |
| US9641923B2 (en) | 2010-10-21 | 2017-05-02 | Acoustic 3D Holdings Limited | Transducer system driven by a signal time delay |
| EP4086891A1 (en) | 2010-10-21 | 2022-11-09 | Acoustic 3d Holdings Limited | Acoustic diffusion generator |
| WO2016113692A1 (en) * | 2015-01-14 | 2016-07-21 | Gawlowski Jacek | Three-way loudspeaker system with column for subwoofer |
| US11140471B2 (en) | 2017-03-01 | 2021-10-05 | Dolby Laboratories Licensing Corporation | Multiple dispersion standalone stereo loudspeakers |
| US11653142B2 (en) | 2017-03-01 | 2023-05-16 | Dolby Laboratories Licensing Corporation | Multiple dispersion standalone stereo loudspeakers |
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