NL8902831A - Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. - Google Patents
Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. Download PDFInfo
- Publication number
- NL8902831A NL8902831A NL8902831A NL8902831A NL8902831A NL 8902831 A NL8902831 A NL 8902831A NL 8902831 A NL8902831 A NL 8902831A NL 8902831 A NL8902831 A NL 8902831A NL 8902831 A NL8902831 A NL 8902831A
- Authority
- NL
- Netherlands
- Prior art keywords
- acoustic
- opening
- loudspeaker system
- housing
- tube
- Prior art date
Links
- 238000013016 damping Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 6
- 238000004040 coloring Methods 0.000 description 4
- 230000011514 reflex Effects 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 for example Polymers 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 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
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- 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
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material 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
- 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
- H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only using transducers reproducing the same frequency band
-
- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8902831A NL8902831A (nl) | 1989-11-16 | 1989-11-16 | Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. |
US07/608,074 US5261006A (en) | 1989-11-16 | 1990-11-01 | Loudspeaker system comprising a helmholtz resonator coupled to an acoustic tube |
EP90202977A EP0429121B1 (en) | 1989-11-16 | 1990-11-12 | Loudspeaker system comprising a Helmholtz resonator coupled to an acoustic tube |
DE69012060T DE69012060T2 (de) | 1989-11-16 | 1990-11-12 | Lautsprecheraufbau mit einem an eine akustische Röhre angeschlossenen Helmholtz-Resonator. |
KR1019900018282A KR0158885B1 (ko) | 1989-11-16 | 1990-11-13 | 음향관에 결합된 헬름홀쯔 공명기를 구비한 확성기 시스템 |
JP2306340A JPH03173296A (ja) | 1989-11-16 | 1990-11-14 | スピーカシステム |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8902831A NL8902831A (nl) | 1989-11-16 | 1989-11-16 | Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. |
NL8902831 | 1989-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8902831A true NL8902831A (nl) | 1991-06-17 |
Family
ID=19855635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8902831A NL8902831A (nl) | 1989-11-16 | 1989-11-16 | Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5261006A (ko) |
EP (1) | EP0429121B1 (ko) |
JP (1) | JPH03173296A (ko) |
KR (1) | KR0158885B1 (ko) |
DE (1) | DE69012060T2 (ko) |
NL (1) | NL8902831A (ko) |
Families Citing this family (75)
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NL8902831A (nl) * | 1989-11-16 | 1991-06-17 | Philips Nv | Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. |
JP2954742B2 (ja) * | 1991-06-26 | 1999-09-27 | ミサワホーム株式会社 | サラウンド装置 |
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US8351629B2 (en) * | 2008-02-21 | 2013-01-08 | Robert Preston Parker | Waveguide electroacoustical transducing |
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US8953831B2 (en) | 2012-09-28 | 2015-02-10 | Bose Corporation | Narrow mouth horn loudspeaker |
US9380369B2 (en) | 2013-02-14 | 2016-06-28 | Apple Inc. | Microphone seal |
US9451355B1 (en) | 2015-03-31 | 2016-09-20 | Bose Corporation | Directional acoustic device |
US10057701B2 (en) | 2015-03-31 | 2018-08-21 | Bose Corporation | Method of manufacturing a loudspeaker |
US10469942B2 (en) | 2015-09-28 | 2019-11-05 | Samsung Electronics Co., Ltd. | Three hundred and sixty degree horn for omnidirectional loudspeaker |
US10034081B2 (en) | 2015-09-28 | 2018-07-24 | Samsung Electronics Co., Ltd. | Acoustic filter for omnidirectional loudspeaker |
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KR102221476B1 (ko) * | 2017-04-21 | 2021-03-04 | 제네렉 오이 | 도파관을 갖는 지향성 멀티웨이 라우드스피커 |
US10299032B2 (en) | 2017-09-11 | 2019-05-21 | Apple Inc. | Front port resonator for a speaker assembly |
US11265645B2 (en) * | 2018-09-24 | 2022-03-01 | Apple Inc. | Acoustic chambers damped with side-branch resonators, and related systems and methods |
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CN112399303A (zh) * | 2019-08-16 | 2021-02-23 | 美特科技(苏州)有限公司 | 扬声器及其音频设备、高频的尖峰频率的抑制方法 |
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US11172288B1 (en) * | 2020-07-14 | 2021-11-09 | Acoustic Metamaterials LLC | Methods and systems for modifying acoustics of a loudspeaker back enclosure using active noise control |
CN220087448U (zh) * | 2020-07-29 | 2023-11-24 | 深圳市韶音科技有限公司 | 一种耳机 |
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EP0410352B1 (en) * | 1989-07-24 | 1994-09-28 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker system |
NL8902831A (nl) * | 1989-11-16 | 1991-06-17 | Philips Nv | Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. |
DE69110530T2 (de) * | 1990-04-20 | 1996-02-29 | Matsushita Electric Ind Co Ltd | Lautsprechersystem. |
-
1989
- 1989-11-16 NL NL8902831A patent/NL8902831A/nl not_active Application Discontinuation
-
1990
- 1990-11-01 US US07/608,074 patent/US5261006A/en not_active Expired - Fee Related
- 1990-11-12 EP EP90202977A patent/EP0429121B1/en not_active Expired - Lifetime
- 1990-11-12 DE DE69012060T patent/DE69012060T2/de not_active Expired - Fee Related
- 1990-11-13 KR KR1019900018282A patent/KR0158885B1/ko not_active IP Right Cessation
- 1990-11-14 JP JP2306340A patent/JPH03173296A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5261006A (en) | 1993-11-09 |
JPH03173296A (ja) | 1991-07-26 |
KR0158885B1 (ko) | 1998-12-01 |
EP0429121A1 (en) | 1991-05-29 |
DE69012060T2 (de) | 1995-04-06 |
KR910011084A (ko) | 1991-06-29 |
EP0429121B1 (en) | 1994-08-31 |
DE69012060D1 (de) | 1994-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |