ATE134537T1 - Steuerwerk für niederfrequenzschallgenerator - Google Patents

Steuerwerk für niederfrequenzschallgenerator

Info

Publication number
ATE134537T1
ATE134537T1 AT89907362T AT89907362T ATE134537T1 AT E134537 T1 ATE134537 T1 AT E134537T1 AT 89907362 T AT89907362 T AT 89907362T AT 89907362 T AT89907362 T AT 89907362T AT E134537 T1 ATE134537 T1 AT E134537T1
Authority
AT
Austria
Prior art keywords
pct
piston
low frequency
sound generator
resonator
Prior art date
Application number
AT89907362T
Other languages
English (en)
Inventor
Roland Sandstroem
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
Application granted granted Critical
Publication of ATE134537T1 publication Critical patent/ATE134537T1/de

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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Toys (AREA)
  • Exhaust Silencers (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Multiple Motors (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
AT89907362T 1988-06-29 1989-06-27 Steuerwerk für niederfrequenzschallgenerator ATE134537T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE134537T1 true ATE134537T1 (de) 1996-03-15

Family

ID=20372777

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89907362T ATE134537T1 (de) 1988-06-29 1989-06-27 Steuerwerk für niederfrequenzschallgenerator

Country Status (8)

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

Families Citing this family (23)

* 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
CN1149325A (zh) * 1994-05-02 1997-05-07 欧文斯科尔宁格公司 利用高速旋转转筒和低频声波分布的棉块成型工艺
US5595585A (en) 1994-05-02 1997-01-21 Owens Corning Fiberglas Technology, Inc. Low frequency sound distribution of rotary fiberizer veils
RU2116846C1 (ru) * 1997-04-22 1998-08-10 Борисов Юлиан Ярославович Низкочастотный поршневой излучатель
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
KR102304112B1 (ko) * 2013-09-30 2021-09-23 코컴 소닉스 에이비 사운드 에미터
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 (en) 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
US12075213B2 (en) 2021-01-14 2024-08-27 xMEMS Labs, Inc. Air-pulse generating device
US12309548B2 (en) 2021-01-14 2025-05-20 xMEMS Labs, Inc. Air-pulse generating device with efficient propagation
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
US12356141B2 (en) 2021-01-14 2025-07-08 xMEMS Labs, Inc. Air-pulse generating device, wearable sound device, bladeless fan, and airflow producing method
US12262177B2 (en) 2021-01-14 2025-03-25 xMEMS Labs, Inc. Air-pulse generating device producing asymmetric air pulses
US11743659B2 (en) 2021-01-14 2023-08-29 xMEMS Labs, Inc. Air-pulse generating device and sound producing method thereof
US12261567B2 (en) 2021-01-14 2025-03-25 xMEMS Labs, Inc. Demodulation signal generator for air pulse generator
SE546902C2 (en) 2021-02-02 2025-03-04 Tallstam Ab 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
EP0006833B1 (de) * 1978-07-03 1983-09-14 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
EP0422065A1 (de) 1991-04-17
US5109948A (en) 1992-05-05
JPH03505422A (ja) 1991-11-28
SE462374B (sv) 1990-06-18
SE8802452D0 (sv) 1988-06-29
EP0422065B1 (de) 1996-02-28
SE8802452L (sv) 1989-12-30
DE68925817D1 (de) 1996-04-04
AU3848989A (en) 1990-01-23
WO1990000095A1 (en) 1990-01-11

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties