FR997880A - Method and devices for sound or noise suppression - Google Patents

Method and devices for sound or noise suppression

Info

Publication number
FR997880A
FR997880A FR997880DA FR997880A FR 997880 A FR997880 A FR 997880A FR 997880D A FR997880D A FR 997880DA FR 997880 A FR997880 A FR 997880A
Authority
FR
France
Prior art keywords
sound
devices
noise suppression
suppression
noise
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Alexandre Kogan
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 filed Critical
Application granted granted Critical
Publication of FR997880A publication Critical patent/FR997880A/en
Expired legal-status Critical Current

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
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR997880D 1945-08-18 1945-08-18 Method and devices for sound or noise suppression Expired FR997880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997880T 1945-08-18

Publications (1)

Publication Number Publication Date
FR997880A true FR997880A (en) 1952-01-11

Family

ID=9558978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997880D Expired FR997880A (en) 1945-08-18 1945-08-18 Method and devices for sound or noise suppression

Country Status (1)

Country Link
FR (1) FR997880A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1111459B (en) * 1958-02-06 1961-07-20 Friedrich Schley Silencer for internal combustion engines
DE1121410B (en) * 1958-03-27 1962-01-04 Wilhelm Bauer Silencer for internal combustion engines
WO1999011943A1 (en) * 1997-08-29 1999-03-11 Schoenfeld Robert Regulator for adjusting the fluid flow in a hydrostatic or aerostatic device
EP1067511A3 (en) * 1999-07-07 2001-03-28 Korea Institute Of Science And Technology Method and apparatus for actively controlling exhaust noise
EP1251246A2 (en) * 2001-04-18 2002-10-23 Korea Institute Of Science And Technology Apparatus for controlling exhaust gas in internal combustion engine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1111459B (en) * 1958-02-06 1961-07-20 Friedrich Schley Silencer for internal combustion engines
DE1121410B (en) * 1958-03-27 1962-01-04 Wilhelm Bauer Silencer for internal combustion engines
WO1999011943A1 (en) * 1997-08-29 1999-03-11 Schoenfeld Robert Regulator for adjusting the fluid flow in a hydrostatic or aerostatic device
US6276491B1 (en) 1997-08-29 2001-08-21 Schoenfeld Robert Regulator for adjusting the fluid flow in a hydrostatic or aerostatic device
EP1067511A3 (en) * 1999-07-07 2001-03-28 Korea Institute Of Science And Technology Method and apparatus for actively controlling exhaust noise
US6633646B1 (en) 1999-07-07 2003-10-14 Korea Institute Of Science And Technology Method and apparatus for controlling exhaust noise
EP1251246A2 (en) * 2001-04-18 2002-10-23 Korea Institute Of Science And Technology Apparatus for controlling exhaust gas in internal combustion engine
AU758984B2 (en) * 2001-04-18 2003-04-03 Korea Institute Of Science And Technology Apparatus for controlling exhaust gas in internal combustion engine
EP1251246A3 (en) * 2001-04-18 2003-12-10 Korea Institute Of Science And Technology Apparatus for controlling exhaust gas in internal combustion engine

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