NO152589C - FORCED SOUND MOVEMENTS. - Google Patents

FORCED SOUND MOVEMENTS.

Info

Publication number
NO152589C
NO152589C NO821858A NO821858A NO152589C NO 152589 C NO152589 C NO 152589C NO 821858 A NO821858 A NO 821858A NO 821858 A NO821858 A NO 821858A NO 152589 C NO152589 C NO 152589C
Authority
NO
Norway
Prior art keywords
forced sound
sound movements
movements
forced
sound
Prior art date
Application number
NO821858A
Other languages
Norwegian (no)
Other versions
NO152589B (en
NO821858L (en
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 NO821858L publication Critical patent/NO821858L/en
Publication of NO152589B publication Critical patent/NO152589B/en
Publication of NO152589C publication Critical patent/NO152589C/en

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)
  • Percussion Or Vibration Massage (AREA)
  • Stringed Musical Instruments (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
NO821858A 1980-10-13 1982-06-04 FORCED SOUND MOVEMENTS. NO152589C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8007150A SE425597B (en) 1980-10-13 1980-10-13 FORCED CONTROL SOUND STRUCTORS FOR THE INFRALUE AREA

Publications (3)

Publication Number Publication Date
NO821858L NO821858L (en) 1982-06-04
NO152589B NO152589B (en) 1985-07-15
NO152589C true NO152589C (en) 1985-10-23

Family

ID=20341967

Family Applications (1)

Application Number Title Priority Date Filing Date
NO821858A NO152589C (en) 1980-10-13 1982-06-04 FORCED SOUND MOVEMENTS.

Country Status (6)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451115B (en) * 1985-01-16 1987-09-07 Ulveco Kockum Sonic Ab INSTALLATION FOR SOOTHING OF BOILERS OR SIMILAR, INCLUDING A MULTIPLE LOW-FREQUENT SOUND ALREADY DEVICES
SE457822B (en) * 1986-11-28 1989-01-30 Svenska Rotor Maskiner Ab PROCEDURES FOR AUTHORIZATION OF SELECTIVELY CONTROLLED PRESSURE PULSES IN A GAS MASS AND DEVICE FOR IMPLEMENTATION OF THE PROCEDURE
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 (en) * 1988-06-29 1990-06-18 Infrasonik Ab CONTROL-CONTROLLED MOTOR DRIVE LOW FREQUENCY SOUND GENERATOR
FI972252A (en) * 1997-05-28 1998-11-29 Ulf Krogars Procedure and facility for acoustic cleaning
FI108810B (en) * 2000-07-06 2002-03-28 Nirania Ky Plant and method for streamlining combustion and heat transfer
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 (en) *
DE395023C (en) * 1922-12-10 1924-05-14 Max Maag Sound generator according to patent 367934 for the generation of tones of unchangeable pitch
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 (en) * 1955-12-16 1961-11-23 Jean Maurice Blanchard Device for generating sound and ultrasonic vibrations in gases and liquids
DE1209781B (en) * 1964-06-08 1966-01-27 Messerschmitt Ag Siren for generating pure sine waves and frequency-modulated sine waves of sound
FR1451123A (en) * 1965-10-26 1966-06-24 Signaling process and hydraulic siren with pulsed signals
DE1274937B (en) * 1967-04-07 1968-08-08 Entwicklungsring Sued G M B H Ultrasonic generator operated with pressure medium
DE2262948C3 (en) * 1972-12-22 1978-10-12 Karl 8000 Muenchen Kolar Compressed air siren
ATE4662T1 (en) * 1978-07-03 1983-09-15 Mats Olsson Konsult Ab LOW FREQUENCY SOUNDER.

Also Published As

Publication number Publication date
DK250482A (en) 1982-06-03
EP0069741B1 (en) 1986-03-12
EP0069741A1 (en) 1983-01-19
DK152412C (en) 1988-07-25
FI823866L (en) 1982-11-11
SE8007150L (en) 1982-04-14
FI823866A0 (en) 1982-11-11
SE425597B (en) 1982-10-18
FI71622B (en) 1986-10-10
NO152589B (en) 1985-07-15
NO821858L (en) 1982-06-04
WO1982001328A1 (en) 1982-04-29
FI71622C (en) 1987-01-19
DK152412B (en) 1988-02-29

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