FI954121A - Virtaavalla väliaineella vaimennettu akustinen kotelojärjestelmä - Google Patents

Virtaavalla väliaineella vaimennettu akustinen kotelojärjestelmä Download PDF

Info

Publication number
FI954121A
FI954121A FI954121A FI954121A FI954121A FI 954121 A FI954121 A FI 954121A FI 954121 A FI954121 A FI 954121A FI 954121 A FI954121 A FI 954121A FI 954121 A FI954121 A FI 954121A
Authority
FI
Finland
Prior art keywords
fluid
frame system
acoustic frame
attenuated acoustic
attenuated
Prior art date
Application number
FI954121A
Other languages
English (en)
Swedish (sv)
Other versions
FI954121A0 (fi
Inventor
Jr Noyal John Alton
Original Assignee
Srt Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Srt Inc filed Critical Srt Inc
Publication of FI954121A0 publication Critical patent/FI954121A0/fi
Publication of FI954121A publication Critical patent/FI954121A/fi

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 
    • H04R1/28—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
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type 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
    • H04R1/42—Combinations of transducers with fluid-pressure or other non-electrical amplifying means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Road Signs Or Road Markings (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FI954121A 1993-03-02 1995-09-01 Virtaavalla väliaineella vaimennettu akustinen kotelojärjestelmä FI954121A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/025,142 US5281777A (en) 1993-03-02 1993-03-02 Fluid damped acoustic enclosure system
PCT/US1994/001977 WO1994021092A1 (en) 1993-03-02 1994-02-22 Fluid damped acoustic enclosure system

Publications (2)

Publication Number Publication Date
FI954121A0 FI954121A0 (fi) 1995-09-01
FI954121A true FI954121A (fi) 1995-10-04

Family

ID=21824285

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954121A FI954121A (fi) 1993-03-02 1995-09-01 Virtaavalla väliaineella vaimennettu akustinen kotelojärjestelmä

Country Status (10)

Country Link
US (1) US5281777A (fi)
EP (1) EP0687403B1 (fi)
JP (1) JP3242663B2 (fi)
KR (1) KR100323794B1 (fi)
AU (1) AU682347B2 (fi)
CA (1) CA2157467C (fi)
DE (1) DE69404973T2 (fi)
FI (1) FI954121A (fi)
NO (1) NO312799B1 (fi)
WO (1) WO1994021092A1 (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6119806A (en) * 1997-06-24 2000-09-19 Baffoni; Frank A. Multiple phase acoustic systems
US5936209A (en) * 1998-03-09 1999-08-10 Sound Related Technologies, Inc. Fluid coupled subwoofer acoustic enclosure system with vent chamber
US7819221B1 (en) * 2005-09-27 2010-10-26 The United States Of America As Represented By The Secretary Of The Air Force Lightweight acoustic damping treatment
US20120113754A1 (en) 2010-11-09 2012-05-10 Eminent Technology Incorporated Active non-lethal avian denial infrasound systems and methods of avian denial
CN108648741A (zh) * 2018-05-31 2018-10-12 佛山博智医疗科技有限公司 气液复合式密封隔声装置
KR102630186B1 (ko) 2023-02-28 2024-01-29 허은정 건설 공사장용 보호망 고정장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004094A (en) * 1976-03-16 1977-01-18 Novar Electronics Corporation Enclosure system for sound generators
US4101736A (en) * 1977-03-17 1978-07-18 Cerwin Vega, Inc. Device for increasing the compliance of a speaker enclosure
US4356882A (en) * 1981-01-15 1982-11-02 Allen James C Device for enlarging the effective volume of a loudspeaker enclosure
JPS58124393A (ja) * 1982-01-19 1983-07-23 Matsushita Electric Ind Co Ltd スピ−カ装置
JPS58156294A (ja) * 1982-03-11 1983-09-17 Matsushita Electric Ind Co Ltd スピ−カ装置
US4657108A (en) * 1983-03-02 1987-04-14 Ward Brian D Constant pressure device
JPH0628876Y2 (ja) * 1988-03-01 1994-08-03 株式会社ケンウッド 低音域再生用スピーカシステム
DE3842364A1 (de) * 1988-12-16 1990-06-28 Thomas Fred Elsen Lautsprechergehaeuse
DE3911561A1 (de) * 1989-04-08 1990-10-11 Gieger Hans Joachim Schallschluckender koerper
US5073937A (en) * 1990-04-11 1991-12-17 Almasy Lee W Hydrodynamically pressure regulated loudspeaker systems
US5092424A (en) * 1990-12-03 1992-03-03 Bose Corporation Electroacoustical transducing with at least three cascaded subchambers
KR950004954B1 (ko) * 1992-12-29 1995-05-16 주식회사금성사 저음재생 전용 스피커

Also Published As

Publication number Publication date
AU6352494A (en) 1994-09-26
KR100323794B1 (ko) 2002-06-20
DE69404973D1 (de) 1997-09-18
US5281777A (en) 1994-01-25
DE69404973T2 (de) 1998-03-19
EP0687403A1 (en) 1995-12-20
CA2157467A1 (en) 1994-09-15
KR960701574A (ko) 1996-02-24
JP3242663B2 (ja) 2001-12-25
NO953441D0 (no) 1995-09-01
JPH08507665A (ja) 1996-08-13
NO953441L (no) 1995-11-01
EP0687403B1 (en) 1997-08-13
NO312799B1 (no) 2002-07-01
WO1994021092A1 (en) 1994-09-15
CA2157467C (en) 2002-01-01
AU682347B2 (en) 1997-10-02
FI954121A0 (fi) 1995-09-01

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