SE7407531L - - Google Patents
Info
- Publication number
- SE7407531L SE7407531L SE7407531A SE7407531A SE7407531L SE 7407531 L SE7407531 L SE 7407531L SE 7407531 A SE7407531 A SE 7407531A SE 7407531 A SE7407531 A SE 7407531A SE 7407531 L SE7407531 L SE 7407531L
- Authority
- SE
- Sweden
- Prior art keywords
- horn
- cabinet
- loudspeakers
- sound
- tweeter
- 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
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
-
- 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
- H04R1/2861—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn
- H04R1/2865—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
A loudspeaker cabinet incorporates two loudspeakers and an exponential acoustic horn for the two loudspeakers. The horn is provided by various walls of the cabinet and comprises a spirally extending first portion leading to a second portion terminating in a sound exit hole in the front wall of the cabinet. The loudspeakers are installed in such a manner that one side of their diaphragms radiates sound into the horn whilst the other side radiates sound directly through one or more further sound exit holes in the cabinet front wall. A tweeter is also incorporated in the cabinet and the loudspeakers and the tweeter are all installed in such a fashion that their bulk does not interfere with the exponential nature of the growth of the horn free space along the length of the horn.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2338298A DE2338298C2 (en) | 1973-07-27 | 1973-07-27 | Loudspeaker enclosure with an exponential funnel and at least two loudspeakers |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7407531L true SE7407531L (en) | 1975-01-28 |
Family
ID=5888198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7407531A SE7407531L (en) | 1973-07-27 | 1974-06-07 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3898384A (en) |
JP (1) | JPS5072621A (en) |
DE (1) | DE2338298C2 (en) |
FR (1) | FR2239069B3 (en) |
GB (1) | GB1462919A (en) |
IT (1) | IT1016712B (en) |
NL (1) | NL7408011A (en) |
SE (1) | SE7407531L (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4213008A (en) * | 1978-11-22 | 1980-07-15 | Helffrich Edmund R | Loudspeaker enclosure for mid-wall location |
US4173266A (en) * | 1978-11-24 | 1979-11-06 | Pizer Robert S | Loudspeaker enclosure |
EP0217278A3 (en) * | 1985-09-26 | 1989-01-04 | Mario Curth | Arrangement of a bass loudspeaker with a horn |
US4923031A (en) * | 1986-02-26 | 1990-05-08 | Electro-Voice, Incorporated | High output loudspeaker system |
US4733749A (en) * | 1986-02-26 | 1988-03-29 | Electro-Voice, Inc. | High output loudspeaker for low frequency reproduction |
GB8928352D0 (en) * | 1989-12-15 | 1990-02-21 | Fox Andrew J | Loudspeaker system |
AU6176394A (en) * | 1993-02-25 | 1994-09-14 | Ralph D. Heinz | Multiple-driver single horn loudspeaker |
US5343535A (en) * | 1993-05-07 | 1994-08-30 | Marshall Ronald N | Loudspeaker device |
DE69930188T2 (en) | 1998-11-05 | 2006-12-07 | Matsushita Electric Industrial Co., Ltd., Kadoma | Piezoelectric speaker, method of making it, and speaker system with this speaker |
US6411718B1 (en) | 1999-04-28 | 2002-06-25 | Sound Physics Labs, Inc. | Sound reproduction employing unity summation aperture loudspeakers |
DE60208245T2 (en) * | 2001-01-22 | 2006-07-13 | Matsushita Electric Industrial Co., Ltd., Kadoma | Speaker System |
US7392880B2 (en) * | 2002-04-02 | 2008-07-01 | Gibson Guitar Corp. | Dual range horn with acoustic crossover |
US7621369B2 (en) * | 2006-06-16 | 2009-11-24 | Graber Curtis E | Acoustic energy projection system |
SG170641A1 (en) * | 2009-10-30 | 2011-05-30 | Dream Infotainment Resources Pte Ltd | Omnidirectional speaker |
KR101515618B1 (en) * | 2014-03-20 | 2015-04-28 | 김태형 | Lattice-Type Speaker, and Lattice Array Speaker System Having the Same |
GB2561341B (en) * | 2017-03-30 | 2019-04-24 | Darling Henry | A modular loudspeaker system |
US10405084B2 (en) * | 2017-08-30 | 2019-09-03 | Bose Corporation | Loudspeaker with deflector at a port exit |
CN113132580B (en) * | 2019-12-31 | 2023-06-09 | 杭州海康威视数字技术股份有限公司 | Video camera |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2754926A (en) * | 1954-11-26 | 1956-07-17 | Asa M Stackhouse | Corner horn |
AT305403B (en) * | 1970-08-18 | 1973-02-26 | Neckermann Versand Kgaa | Loudspeaker enclosure |
-
1973
- 1973-07-27 DE DE2338298A patent/DE2338298C2/en not_active Expired
-
1974
- 1974-06-07 SE SE7407531A patent/SE7407531L/xx not_active Application Discontinuation
- 1974-06-14 NL NL7408011A patent/NL7408011A/en unknown
- 1974-07-22 FR FR7425303A patent/FR2239069B3/fr not_active Expired
- 1974-07-24 GB GB3276474A patent/GB1462919A/en not_active Expired
- 1974-07-26 IT IT69387/74A patent/IT1016712B/en active
- 1974-07-26 US US492971A patent/US3898384A/en not_active Expired - Lifetime
- 1974-07-27 JP JP49085632A patent/JPS5072621A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3898384A (en) | 1975-08-05 |
GB1462919A (en) | 1977-01-26 |
FR2239069B3 (en) | 1977-05-20 |
JPS5072621A (en) | 1975-06-16 |
FR2239069A1 (en) | 1975-02-21 |
DE2338298C2 (en) | 1975-09-11 |
DE2338298B1 (en) | 1975-01-16 |
NL7408011A (en) | 1975-01-29 |
IT1016712B (en) | 1977-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 7407531-8 |