SE8802452D0 - Reglerstyrd motordriven lagfrekvensljudgenerator - Google Patents

Reglerstyrd motordriven lagfrekvensljudgenerator

Info

Publication number
SE8802452D0
SE8802452D0 SE8802452A SE8802452A SE8802452D0 SE 8802452 D0 SE8802452 D0 SE 8802452D0 SE 8802452 A SE8802452 A SE 8802452A SE 8802452 A SE8802452 A SE 8802452A SE 8802452 D0 SE8802452 D0 SE 8802452D0
Authority
SE
Sweden
Prior art keywords
pct
low frequency
piston
sound generator
resonator
Prior art date
Application number
SE8802452A
Other languages
English (en)
Other versions
SE8802452L (sv
SE462374B (sv
Inventor
R Sandstrom
Original Assignee
Infrasonik Ab
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 Infrasonik Ab filed Critical Infrasonik Ab
Priority to SE8802452A priority Critical patent/SE462374B/sv
Publication of SE8802452D0 publication Critical patent/SE8802452D0/sv
Priority to AU38489/89A priority patent/AU3848989A/en
Priority to US07/634,142 priority patent/US5109948A/en
Priority to EP89907362A priority patent/EP0422065B1/en
Priority to AT89907362T priority patent/ATE134537T1/de
Priority to DE68925817T priority patent/DE68925817D1/de
Priority to PCT/SE1989/000366 priority patent/WO1990000095A1/en
Priority to JP1507088A priority patent/JPH03505422A/ja
Publication of SE8802452L publication Critical patent/SE8802452L/sv
Publication of SE462374B publication Critical patent/SE462374B/sv

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/04—Sound-producing devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/04—Acoustic filters ; Acoustic resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Toys (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating Pumps (AREA)
  • Exhaust Silencers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Control Of Multiple Motors (AREA)
SE8802452A 1988-06-29 1988-06-29 Reglerstyrd motordriven laagfrekvensljudgenerator SE462374B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE8802452A SE462374B (sv) 1988-06-29 1988-06-29 Reglerstyrd motordriven laagfrekvensljudgenerator
AU38489/89A AU3848989A (en) 1988-06-29 1989-06-27 Frequency controlled motor driven low frequency sound generator
US07/634,142 US5109948A (en) 1988-06-29 1989-06-27 Frequency controlled motor driven low frequency sound generator
EP89907362A EP0422065B1 (en) 1988-06-29 1989-06-27 Control unit for a low frequency sound generator
AT89907362T ATE134537T1 (de) 1988-06-29 1989-06-27 Steuerwerk für niederfrequenzschallgenerator
DE68925817T DE68925817D1 (de) 1988-06-29 1989-06-27 Steuerwerk für niederfrequenzschallgenerator
PCT/SE1989/000366 WO1990000095A1 (en) 1988-06-29 1989-06-27 Frequency controlled motor driven low frequency sound generator
JP1507088A JPH03505422A (ja) 1988-06-29 1989-06-27 周波数制御モータ駆動低周波音発生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8802452A SE462374B (sv) 1988-06-29 1988-06-29 Reglerstyrd motordriven laagfrekvensljudgenerator

Publications (3)

Publication Number Publication Date
SE8802452D0 true SE8802452D0 (sv) 1988-06-29
SE8802452L SE8802452L (sv) 1989-12-30
SE462374B SE462374B (sv) 1990-06-18

Family

ID=20372777

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8802452A SE462374B (sv) 1988-06-29 1988-06-29 Reglerstyrd motordriven laagfrekvensljudgenerator

Country Status (8)

Country Link
US (1) US5109948A (sv)
EP (1) EP0422065B1 (sv)
JP (1) JPH03505422A (sv)
AT (1) ATE134537T1 (sv)
AU (1) AU3848989A (sv)
DE (1) DE68925817D1 (sv)
SE (1) SE462374B (sv)
WO (1) WO1990000095A1 (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE463785B (sv) * 1988-11-01 1991-01-21 Infrasonik Ab Foerfarande och anordning foer att med hjaelp av laagfrekvent ljud forcera vaermetransmission mellan kroppar och gaser
SE9001768D0 (sv) * 1990-05-16 1990-05-16 Infrasonik Ab Roterande matningsenhet foer infraljudgenerator
US5595585A (en) * 1994-05-02 1997-01-21 Owens Corning Fiberglas Technology, Inc. Low frequency sound distribution of rotary fiberizer veils
CA2188307A1 (en) * 1994-05-02 1995-11-09 David P. Aschenbeck Wool pack forming process using high speed rotating drums and low frequency sound distribution
SE518168C2 (sv) * 2000-03-16 2002-09-03 A2 Acoustics Ab Förfarande och anordning för alstrande av ljud med låg frekvens jämte användning av en sådan anordning
JP2002018357A (ja) * 2000-07-11 2002-01-22 Sasakura Engineering Co Ltd 低周波音波の発生装置
US20020094274A1 (en) * 2000-09-15 2002-07-18 Terpay Gregory Weston Passive device for noise reduction
DE102007003166B4 (de) * 2007-01-22 2009-01-29 Siemens Ag Lautsprecher, Lautsprechersystem sowie Verfahren zur Erzeugung von akustischen Schwingungen
JP2011205408A (ja) * 2010-03-25 2011-10-13 Railway Technical Research Institute 低周波音発生装置
DE112014004517B4 (de) 2013-09-30 2022-09-08 Kockum Sonics Ab Schallwellengenerator und Schallemitter
WO2015133966A1 (en) * 2014-03-06 2015-09-11 Infrafone Ab A method of and means for optimizing the operating time of a low frequency sound generator
SE543318C2 (sv) * 2018-06-21 2020-11-24 Mats Olsson Method and system for cooling hot objects
US10681488B1 (en) * 2019-03-03 2020-06-09 xMEMS Labs, Inc. Sound producing apparatus and sound producing system
US11758335B2 (en) 2021-01-14 2023-09-12 xMEMS Labs, Inc. Air-pulse generating device and sound producing method thereof
US11445279B2 (en) * 2021-01-14 2022-09-13 xMEMS Labs, Inc. Air-pulse generating device and sound producing method thereof
US11943585B2 (en) 2021-01-14 2024-03-26 xMEMS Labs, Inc. Air-pulse generating device with common mode and differential mode movement
SE2130031A1 (en) * 2021-02-02 2022-08-03 Mats Anders Olsson A revolving valve for feeding air pulses to a resonance tube for generating low-frequency sound and a method for feeding these pulses at the resonance frequency of the resonance tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1173708A (en) * 1915-09-23 1916-02-29 Henry M Chance Method for burning fuel.
SU624659A1 (ru) * 1977-04-22 1978-09-25 Предприятие П/Я В-8584 Устройство дл излучени акустических колебаний
ATE4662T1 (de) * 1978-07-03 1983-09-15 Mats Olsson Konsult Ab Niederfrequenz schallgeber.
SE425597B (sv) * 1980-10-13 1982-10-18 Ekstroms Vermetekniska Ab Tvangsstyrd ljudalstrare for infraljudomradet
US4307964A (en) * 1981-02-25 1981-12-29 The United States Of America As Represented By The Secretary Of The Interior System for maintaining high resonance during sonic agglomeration
DE8712331U1 (de) * 1986-09-26 1988-01-28 Flowtec AG, Reinach, Basel Corioliskraft-Massendurchflussmesser
SE463994B (sv) * 1986-10-31 1991-02-18 Prodeo Ab Motordriven vissla
SE457240B (sv) * 1987-04-08 1988-12-12 Infrasonik Ab Luftdriven positivt aaterkopplad laagfrekvensljudgenerator

Also Published As

Publication number Publication date
DE68925817D1 (de) 1996-04-04
AU3848989A (en) 1990-01-23
US5109948A (en) 1992-05-05
SE8802452L (sv) 1989-12-30
SE462374B (sv) 1990-06-18
ATE134537T1 (de) 1996-03-15
WO1990000095A1 (en) 1990-01-11
EP0422065A1 (en) 1991-04-17
JPH03505422A (ja) 1991-11-28
EP0422065B1 (en) 1996-02-28

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