FI823866A0 - Tvaongsstyrd ljudalstrare - Google Patents

Tvaongsstyrd ljudalstrare

Info

Publication number
FI823866A0
FI823866A0 FI823866A FI823866A FI823866A0 FI 823866 A0 FI823866 A0 FI 823866A0 FI 823866 A FI823866 A FI 823866A FI 823866 A FI823866 A FI 823866A FI 823866 A0 FI823866 A0 FI 823866A0
Authority
FI
Finland
Prior art keywords
tvaongsstyrd
ljudalstrare
tvaongsstyrd ljudalstrare
Prior art date
Application number
FI823866A
Other languages
English (en)
Other versions
FI823866L (fi
FI71622B (fi
FI71622C (fi
Inventor
Per Boerje Fransman
Original Assignee
Ekstroems Vaermetek
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 Ekstroems Vaermetek filed Critical Ekstroems Vaermetek
Publication of FI823866L publication Critical patent/FI823866L/fi
Publication of FI823866A0 publication Critical patent/FI823866A0/fi
Publication of FI71622B publication Critical patent/FI71622B/fi
Application granted granted Critical
Publication of FI71622C publication Critical patent/FI71622C/fi

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
    • G10K7/00—Sirens
    • G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Toys (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Stringed Musical Instruments (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Percussion Or Vibration Massage (AREA)
FI823866A 1980-10-13 1982-11-11 Tvaongsstyrd ljudalstrare. FI71622C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8007150A SE425597B (sv) 1980-10-13 1980-10-13 Tvangsstyrd ljudalstrare for infraljudomradet
SE8007150 1980-10-13
PCT/SE1981/000296 WO1982001328A1 (en) 1980-10-13 1981-10-13 Positively controlled sound generator
SE8100296 1981-10-13

Publications (4)

Publication Number Publication Date
FI823866L FI823866L (fi) 1982-11-11
FI823866A0 true FI823866A0 (fi) 1982-11-11
FI71622B FI71622B (fi) 1986-10-10
FI71622C FI71622C (fi) 1987-01-19

Family

ID=20341967

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823866A FI71622C (fi) 1980-10-13 1982-11-11 Tvaongsstyrd ljudalstrare.

Country Status (6)

Country Link
EP (1) EP0069741B1 (fi)
DK (1) DK152412C (fi)
FI (1) FI71622C (fi)
NO (1) NO152589C (fi)
SE (1) SE425597B (fi)
WO (1) WO1982001328A1 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451115B (sv) * 1985-01-16 1987-09-07 Ulveco Kockum Sonic Ab Anleggning for sotning av pannor eller liknande, innefattande ett flertal lagfrekvent ljud alstrande anordningar
SE457822B (sv) * 1986-11-28 1989-01-30 Svenska Rotor Maskiner Ab Foerfarande foer aastadkommande av selektivt styrda tryckpulser i en gasmassa samt anordning foer genomfoerande av foerfarandet
WO1989011042A1 (en) * 1988-05-05 1989-11-16 Birger Pettersson A method for producing pressure pulses in a mass of gas and a device for performing the method
SE462374B (sv) * 1988-06-29 1990-06-18 Infrasonik Ab Reglerstyrd motordriven laagfrekvensljudgenerator
FI972252A (fi) * 1997-05-28 1998-11-29 Ulf Krogars Menetelmä ja laitteisto akustiseen puhdistukseen
FI108810B (fi) * 2000-07-06 2002-03-28 Nirania Ky Laitteisto ja menetelmä polttotapahtuman ja lämmönsiirron tehostamiseksi
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 (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1323826A (en) * 1919-12-02 Fed Sign System Siren.
DE245518C (fi) *
DE395023C (de) * 1922-12-10 1924-05-14 Max Maag Tongeber nach Patent 367934 zur Erzeugung von Toenen von unveraenderlicher Tonhoehe
US2407175A (en) * 1939-05-02 1946-09-03 Orlich Peter Echo sounding device
US2634701A (en) * 1948-07-30 1953-04-14 Russell A Gougeon Siren
DE1117923B (de) * 1955-12-16 1961-11-23 Jean Maurice Blanchard Vorrichtung zur Erzeugung von Schall- und Ultraschallschwingungen in Gasen und Fluessigkeiten
DE1209781B (de) * 1964-06-08 1966-01-27 Messerschmitt Ag Sirene zur Erzeugung von reinen Sinusschwingungen und frequenzmodulierten Sinusschwingungen von Schall
FR1451123A (fr) * 1965-10-26 1966-06-24 Procédé de signalisation et sirène hydraulique à signaux pulsés
DE1274937B (de) * 1967-04-07 1968-08-08 Entwicklungsring Sued G M B H Mit Druckmedium betriebener Ultraschall-Generator
DE2262948C3 (de) * 1972-12-22 1978-10-12 Karl 8000 Muenchen Kolar Preßluftsirene
ATE4662T1 (de) * 1978-07-03 1983-09-15 Mats Olsson Konsult Ab Niederfrequenz schallgeber.

Also Published As

Publication number Publication date
FI823866L (fi) 1982-11-11
SE8007150L (sv) 1982-04-14
FI71622B (fi) 1986-10-10
NO152589B (no) 1985-07-15
NO821858L (no) 1982-06-04
FI71622C (fi) 1987-01-19
SE425597B (sv) 1982-10-18
DK152412B (da) 1988-02-29
EP0069741B1 (en) 1986-03-12
DK152412C (da) 1988-07-25
EP0069741A1 (en) 1983-01-19
WO1982001328A1 (en) 1982-04-29
NO152589C (no) 1985-10-23
DK250482A (da) 1982-06-03

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: EKSTROEMS VAERMETEKNISKA AB