SE8802452L - Reglerstyrd motordriven laagfrekvensljudgenerator - Google Patents
Reglerstyrd motordriven laagfrekvensljudgeneratorInfo
- Publication number
- SE8802452L SE8802452L SE8802452A SE8802452A SE8802452L SE 8802452 L SE8802452 L SE 8802452L SE 8802452 A SE8802452 A SE 8802452A SE 8802452 A SE8802452 A SE 8802452A SE 8802452 L SE8802452 L SE 8802452L
- Authority
- SE
- Sweden
- Prior art keywords
- pct
- low frequency
- piston
- sound generator
- resonator
- Prior art date
Links
- 230000001105 regulatory effect Effects 0.000 abstract 1
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)
- Reciprocating Pumps (AREA)
- Exhaust Silencers (AREA)
- Control Of Multiple Motors (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8802452A SE462374B (sv) | 1988-06-29 | 1988-06-29 | Reglerstyrd motordriven laagfrekvensljudgenerator |
DE68925817T DE68925817D1 (de) | 1988-06-29 | 1989-06-27 | Steuerwerk für niederfrequenzschallgenerator |
EP89907362A EP0422065B1 (en) | 1988-06-29 | 1989-06-27 | Control unit for a low frequency sound generator |
PCT/SE1989/000366 WO1990000095A1 (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 |
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 |
AT89907362T ATE134537T1 (de) | 1988-06-29 | 1989-06-27 | Steuerwerk für niederfrequenzschallgenerator |
AU38489/89A AU3848989A (en) | 1988-06-29 | 1989-06-27 | Frequency controlled motor driven low frequency sound generator |
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 SE8802452D0 (sv) | 1988-06-29 |
SE8802452L true 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 (18)
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 |
JPH10502135A (ja) * | 1994-05-02 | 1998-02-24 | オウェンス コーニング | 高速回転ドラム及び低周波音分配を使用するウールパック形成方法 |
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 |
US11943585B2 (en) | 2021-01-14 | 2024-03-26 | xMEMS Labs, Inc. | Air-pulse generating device with common mode and differential mode movement |
US11743659B2 (en) | 2021-01-14 | 2023-08-29 | xMEMS Labs, Inc. | Air-pulse generating device and sound producing method thereof |
US12075213B2 (en) | 2021-01-14 | 2024-08-27 | xMEMS Labs, Inc. | Air-pulse generating device |
US11445279B2 (en) * | 2021-01-14 | 2022-09-13 | xMEMS Labs, Inc. | Air-pulse generating device and sound producing method thereof |
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)
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 (en) * | 1978-07-03 | 1983-09-14 | Mats Olsson Konsult Ab | Low-frequency sound generator |
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 |
-
1988
- 1988-06-29 SE SE8802452A patent/SE462374B/sv not_active IP Right Cessation
-
1989
- 1989-06-27 JP JP1507088A patent/JPH03505422A/ja active Pending
- 1989-06-27 WO PCT/SE1989/000366 patent/WO1990000095A1/en active IP Right Grant
- 1989-06-27 EP EP89907362A patent/EP0422065B1/en not_active Expired - Lifetime
- 1989-06-27 DE DE68925817T patent/DE68925817D1/de not_active Expired - Lifetime
- 1989-06-27 US US07/634,142 patent/US5109948A/en not_active Expired - Fee Related
- 1989-06-27 AT AT89907362T patent/ATE134537T1/de not_active IP Right Cessation
- 1989-06-27 AU AU38489/89A patent/AU3848989A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE68925817D1 (de) | 1996-04-04 |
US5109948A (en) | 1992-05-05 |
JPH03505422A (ja) | 1991-11-28 |
ATE134537T1 (de) | 1996-03-15 |
SE462374B (sv) | 1990-06-18 |
AU3848989A (en) | 1990-01-23 |
EP0422065B1 (en) | 1996-02-28 |
EP0422065A1 (en) | 1991-04-17 |
WO1990000095A1 (en) | 1990-01-11 |
SE8802452D0 (sv) | 1988-06-29 |
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Legal Events
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NUG | Patent has lapsed |
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