JPS5072621A - - Google Patents
Info
- Publication number
- JPS5072621A JPS5072621A JP49085632A JP8563274A JPS5072621A JP S5072621 A JPS5072621 A JP S5072621A JP 49085632 A JP49085632 A JP 49085632A JP 8563274 A JP8563274 A JP 8563274A JP S5072621 A JPS5072621 A JP S5072621A
- Authority
- JP
- Japan
- 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.)
- Pending
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2338298A DE2338298C2 (de) | 1973-07-27 | 1973-07-27 | Lautsprechergehäuse mit einem Exponentialtrichter und mindestens zwei Lautsprechern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5072621A true JPS5072621A (en, 2012) | 1975-06-16 |
Family
ID=5888198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49085632A Pending JPS5072621A (en, 2012) | 1973-07-27 | 1974-07-27 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3898384A (en, 2012) |
| JP (1) | JPS5072621A (en, 2012) |
| DE (1) | DE2338298C2 (en, 2012) |
| FR (1) | FR2239069B3 (en, 2012) |
| GB (1) | GB1462919A (en, 2012) |
| IT (1) | IT1016712B (en, 2012) |
| NL (1) | NL7408011A (en, 2012) |
| SE (1) | SE7407531L (en, 2012) |
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 (de) * | 1985-09-26 | 1989-01-04 | Mario Curth | Anordnung für Basslautsprecher mit einem Schalltrichter |
| 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 |
| KR100385388B1 (ko) | 1998-11-05 | 2003-05-27 | 마쯔시다덴기산교 가부시키가이샤 | 압전 스피커, 이의 제조 방법 및 이를 구비한 스피커 시스템 |
| US6411718B1 (en) | 1999-04-28 | 2002-06-25 | Sound Physics Labs, Inc. | Sound reproduction employing unity summation aperture loudspeakers |
| EP1229760B1 (en) * | 2001-01-22 | 2005-12-28 | Matsushita Electric Industrial Co., Ltd. | 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 (ko) * | 2014-03-20 | 2015-04-28 | 김태형 | 래티스 타입 스피커, 및 이를 구비한 래티스 어레이 스피커 시스템 |
| 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 (zh) * | 2019-12-31 | 2023-06-09 | 杭州海康威视数字技术股份有限公司 | 摄像机 |
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 (de) * | 1970-08-18 | 1973-02-26 | Neckermann Versand Kgaa | Lautsprechergehäuse |
-
1973
- 1973-07-27 DE DE2338298A patent/DE2338298C2/de not_active Expired
-
1974
- 1974-06-07 SE SE7407531A patent/SE7407531L/xx not_active Application Discontinuation
- 1974-06-14 NL NL7408011A patent/NL7408011A/xx 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 US US492971A patent/US3898384A/en not_active Expired - Lifetime
- 1974-07-26 IT IT69387/74A patent/IT1016712B/it active
- 1974-07-27 JP JP49085632A patent/JPS5072621A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1016712B (it) | 1977-06-20 |
| FR2239069A1 (en, 2012) | 1975-02-21 |
| SE7407531L (en, 2012) | 1975-01-28 |
| GB1462919A (en) | 1977-01-26 |
| US3898384A (en) | 1975-08-05 |
| FR2239069B3 (en, 2012) | 1977-05-20 |
| NL7408011A (nl) | 1975-01-29 |
| DE2338298B1 (de) | 1975-01-16 |
| DE2338298C2 (de) | 1975-09-11 |