KR910011084A - 음향관에 결합된 헬름홀쯔 공명기를 구비한 확성기 시스템 - Google Patents
음향관에 결합된 헬름홀쯔 공명기를 구비한 확성기 시스템 Download PDFInfo
- Publication number
- KR910011084A KR910011084A KR1019900018282A KR900018282A KR910011084A KR 910011084 A KR910011084 A KR 910011084A KR 1019900018282 A KR1019900018282 A KR 1019900018282A KR 900018282 A KR900018282 A KR 900018282A KR 910011084 A KR910011084 A KR 910011084A
- Authority
- KR
- South Korea
- Prior art keywords
- loudspeaker system
- opening
- acoustic
- housing
- tube
- Prior art date
Links
- 238000013016 damping Methods 0.000 claims 8
- 230000005540 biological transmission Effects 0.000 claims 2
- 235000003332 Ilex aquifolium Nutrition 0.000 claims 1
- 241000209027 Ilex aquifolium Species 0.000 claims 1
Classifications
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- 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
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- 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)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 확성기 시스템의 제1실시예를 보여주는 도면.
제2도는 확성기 시스템의 제2실시예를 보여주는 도면.
제3도는 텔레비젼 세트에서의 확성기 시스템의 사용을 보여주는 도면.
Claims (16)
- 개구에 결합되는 음향관의 한쪽 끝과 협조하는 음향 개구가 제공되어 있는 하우징을 구비하고, 하우징은 하우징에 내장된 스피커 장치에 의해 제1 및 제2체적부분으로 나뉘어지는 체적을 구비하고, 제1체적부분은 하우징의 음향 개구에 음향적으로 결합되는 확성기 시스템에 있어서, 음향관은 개구를 통해 음향관에 평행하게 음향적으로 결합되는 밀폐체적 형태의 헬름홀쯔 공명기를 구비하는 감쇠수단을 구비하는 것과 헬름홀쯔 공명기는 적어도 헬름홀쯔 공명기의 부재시의 음향관의 전송 특성에서 최저 주파수의 공명 피크를 억제하도록 설계된 것을 특징으로 하는 확성기 시스템.
- 제1항에 있어서, 음향적 감쇠물질은 헬름흘쯔 공명기의 체적에 내장되어 있는 특징으로 하는 확성기 시스템.
- 제1항 또는 제2항에 있어서, 다른 부분은 밀폐되어 있는 헬름흘쯔 공명기의 체적에 있는 개구는 음향관의 측벽에 있는 개구에 음향적으로 결합되는 것을 특징으로 하는 확성기 시스템.
- 제3항에 있어서, 음향관의 측벽에 있는 개구는 음향관의 음향발산단으로부터 거리X에서 주어지고,X는 0.03m와 0.5m사이에 있는 값인 확성기 시스템.
- 제2항 내지 제4항중 어느 한 항에 있어서, 헬름흘쯔 공명기의 헬름흘쯔 주파수는 음향관의 전송 특성에서 헬름흘쯔 공명기의 부재시에 형성되는 최저 공명 피크와 적어도 대략 같거나 또는 보다 큰 것을 특징으로 하는 확성기 시스템.
- 제2항 내지 제5항중 어느 한 항에 있어서, 이러한 음향적 감쇠물질은 헬름흘쯔 공명기가 0.25Q2가 성립하는 Q-인자(Q)를 갖도록 선택된 것을 특징으로 하는 확성기 시스템.
- 제6항에 있어서, Q는 적어도 대략 1인 것을 특징으로 하는 확성기 시스템.
- 제1항 내지 제7항중 어느 한 항에 있어서, 음향관 측벽에 있는 개구의 면적 Q1은 음향관의 수직 단면의 면적 Q2에 대해 0.25Q1/Q2 3가 성립하는 것을 특징으로 하는 확성기 시스템.
- 제8항에 있어서, 면적 Q1은 면적 Q2와 적어도 대략 같은 것을 특징으로 하는 확성기 시스템.
- 제1항 내지 제9항중 어느 한 항에 있어서, 제1체적부분은 하우징에 있는 제2음향 개구에 음향적으로 결합되는 것과, 상기 제2음향 개구는 상기 개구에 결합되는 제2음향관이 한끝과 협조하는 것과, 상기 제2음향관은 또한 헬름흘쯔 공명기 형태이 감쇠수단을 구비하는 것을 특징으로 하는 확성기 시스템.
- 제1항 내지 제10항중 어느 한 항에 있어서, 스피커 장치는 두개의 종속으로 배치된 확성기를 구비하는 것을 특징으로 하는 확성기 시스템.
- 제1항 내지 제11항중 어느 한 항에 있어서, 확성기 시스템이 소비자용 기구, 예를 들어, 텔레비젼 세트의 하우징에 내장되는 것과 확성기 시스템의 하우징은 진동 감쇠를 실현하기 위한 제2감쇠 수단을 통해 소비자용 기구의 하우징에 결합되는 것을 특징으로 하는 확성기 시스템.
- 제12항에 있어서, 음향관(들)의 다른쪽 끝(들)은 소비자용 기구의 하우징에 있는 개구(들)에 결합되는 것을 특징으로 하는 확성기 시스템.
- 제13항에 있어서, 음향관의 다른쪽 끝은 진동 감쇠를 실현하기 위한 제3검쇠수단을 통해 소비자용 기구의 하우징에 결합되는 확성기 시스템.
- 제1항 내지 제14항중 어느 한 항에 있어서, 다른끝쪽 가까이에 있는 음향관의 부분은 상기 다른쪽 방향으로 더 커지는 것을 특징으로 하는 확성기 시스템.
- 제1항 내지 제15항중 어느 한 항에 있어서, 제2체적부분은 확성기 시스템의 하우징에 있는 음향 개구에 음향적으로 결합되는 것과, 상기 음향 개구는 상기 개구에 결합되는 음향관의 한쪽 끝과 협조하는 것과, 상기 관은 또한 헬름흘쯔 공명기의 형태로 감쇠수단을 구비하는 것을 특징으로 하는 확성기 시스템.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8902831 | 1989-11-16 | ||
NL8902831A NL8902831A (nl) | 1989-11-16 | 1989-11-16 | Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis. |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910011084A true KR910011084A (ko) | 1991-06-29 |
KR0158885B1 KR0158885B1 (ko) | 1998-12-01 |
Family
ID=19855635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900018282A KR0158885B1 (ko) | 1989-11-16 | 1990-11-13 | 음향관에 결합된 헬름홀쯔 공명기를 구비한 확성기 시스템 |
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) |
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JPS5037425A (ko) * | 1973-08-04 | 1975-04-08 | ||
DE2837520A1 (de) * | 1978-08-28 | 1980-03-27 | Harald Schuster | Lautsprecher, passiv servokontrolliert mit korrektur der phasendrehung |
GB2037534B (en) * | 1978-11-08 | 1983-02-16 | Holliman G | Loudspeakers |
US4297538A (en) * | 1979-07-23 | 1981-10-27 | The Stoneleigh Trust | Resonant electroacoustic transducer with increased band width response |
DE3317518A1 (de) * | 1983-05-13 | 1984-11-15 | Standard Elektrik Lorenz Ag | Lautsprecherbox mit integriertem akustischem bandpassfilter |
US4549631A (en) * | 1983-10-24 | 1985-10-29 | Bose Corporation | Multiple porting loudspeaker systems |
US4616731A (en) * | 1984-03-02 | 1986-10-14 | Robinson James R | Speaker system |
DE3414407C2 (de) * | 1984-04-17 | 1986-02-20 | Jürgen 6804 Ilvesheim Quaas | Anordnung von Schallwandlern in einer Schallführung, insbesondere für Lautsprecherboxen |
US4658377A (en) * | 1984-07-26 | 1987-04-14 | Texas Instruments Incorporated | Dynamic memory array with segmented bit lines |
GB8503389D0 (en) * | 1985-02-09 | 1985-03-13 | B & W Loudspeakers | Loudspeaker enclosures |
US4930596A (en) * | 1987-06-16 | 1990-06-05 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker system |
JPS63314098A (ja) * | 1987-06-17 | 1988-12-22 | Matsushita Electric Ind Co Ltd | スピ−カシステム |
US5009281A (en) * | 1988-03-10 | 1991-04-23 | Yamaha Corporation | Acoustic apparatus |
SE8800867L (sv) * | 1988-03-10 | 1989-09-11 | Infrasonik Ab | Ljudreflektor |
US5012890A (en) * | 1988-03-23 | 1991-05-07 | Yamaha Corporation | Acoustic apparatus |
EP0334238B1 (en) * | 1988-03-25 | 1994-11-30 | Yamaha Corporation | Acoustic Apparatus |
JPH01254096A (ja) * | 1988-04-04 | 1989-10-11 | Yamaha Corp | 音響装置 |
JPH01162990U (ko) * | 1988-04-30 | 1989-11-14 | ||
US4875546A (en) * | 1988-06-02 | 1989-10-24 | Teledyne Industries, Inc. | Loudspeaker with acoustic band-pass filter |
JPH0727750Y2 (ja) * | 1988-08-10 | 1995-06-21 | ヤマハ株式会社 | 音響装置 |
US4903300A (en) * | 1989-01-05 | 1990-02-20 | Polk Investment Corporation | Compact and efficient sub-woofer system and method for installation in structural partitions |
US5025885A (en) * | 1989-07-14 | 1991-06-25 | Bose Corporation | Multiple chamber loudspeaker system |
DE69012911T2 (de) * | 1989-07-24 | 1995-01-26 | Matsushita Electric Ind Co Ltd | Lautsprechersystem. |
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 DE DE69012060T patent/DE69012060T2/de not_active Expired - Fee Related
- 1990-11-12 EP EP90202977A patent/EP0429121B1/en not_active Expired - Lifetime
- 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 |
---|---|
EP0429121A1 (en) | 1991-05-29 |
US5261006A (en) | 1993-11-09 |
DE69012060D1 (de) | 1994-10-06 |
EP0429121B1 (en) | 1994-08-31 |
DE69012060T2 (de) | 1995-04-06 |
JPH03173296A (ja) | 1991-07-26 |
KR0158885B1 (ko) | 1998-12-01 |
NL8902831A (nl) | 1991-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |