BE829755A - Procede de mesure "in situ" d'un isolement acoustique global aux bruits aeriens, source de bruit et enceinte acoustique incorporee correspondante - Google Patents

Procede de mesure "in situ" d'un isolement acoustique global aux bruits aeriens, source de bruit et enceinte acoustique incorporee correspondante

Info

Publication number
BE829755A
BE829755A BE156930A BE156930A BE829755A BE 829755 A BE829755 A BE 829755A BE 156930 A BE156930 A BE 156930A BE 156930 A BE156930 A BE 156930A BE 829755 A BE829755 A BE 829755A
Authority
BE
Belgium
Prior art keywords
noise
situ
acoustic
source
measurement procedure
Prior art date
Application number
BE156930A
Other languages
English (en)
French (fr)
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
Publication of BE829755A publication Critical patent/BE829755A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10Amplitude; Power
    • G01H3/12Amplitude; Power by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
BE156930A 1974-05-31 1975-05-30 Procede de mesure "in situ" d'un isolement acoustique global aux bruits aeriens, source de bruit et enceinte acoustique incorporee correspondante BE829755A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7418909A FR2273268B1 (enExample) 1974-05-31 1974-05-31

Publications (1)

Publication Number Publication Date
BE829755A true BE829755A (fr) 1975-09-15

Family

ID=9139502

Family Applications (1)

Application Number Title Priority Date Filing Date
BE156930A BE829755A (fr) 1974-05-31 1975-05-30 Procede de mesure "in situ" d'un isolement acoustique global aux bruits aeriens, source de bruit et enceinte acoustique incorporee correspondante

Country Status (5)

Country Link
BE (1) BE829755A (enExample)
CH (1) CH588072A5 (enExample)
FR (1) FR2273268B1 (enExample)
GB (1) GB1472713A (enExample)
IT (1) IT1044294B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8617566D0 (en) * 1986-07-18 1986-08-28 Mackenzie R Measurement of air-borne sound in buildings
CN115047076A (zh) * 2022-08-17 2022-09-13 歌尔股份有限公司 隔声箱性能测试方法

Also Published As

Publication number Publication date
FR2273268A1 (enExample) 1975-12-26
GB1472713A (en) 1977-05-04
FR2273268B1 (enExample) 1976-10-15
IT1044294B (it) 1980-03-20
CH588072A5 (enExample) 1977-05-31

Similar Documents

Publication Publication Date Title
PL209688A1 (pl) Sposob cisnieniowej gazyfikacji paliw pylowych oraz urzadzenie do cisnienia gazyfikacji paliw pylowych
SE405512B (sv) Forfarande och anordning for bearbetning av ekosignaler
IT1030142B (it) Dispositivo i allarme acustico
IT1053151B (it) Mobile per insegnamento audio visivo
BR7804649A (pt) Dispositivo para gerar ondas acusticas
FR2282191A1 (fr) Dispositif a ondes acoustiques superficielles
FR2339854A1 (fr) Appareil detecteur de gaz portatif et antideflagrant
FR2293844A1 (fr) Transducteur acoustique
BE768852A (fr) Perfectionnements relatifs aux appareils et procedes a magnetostrictio
SE414597B (sv) Forfarande och anordning for valsformning av ringformiga arbetsstycken
FR2278217A1 (fr) Transducteur acoustique
NO138920C (no) Fremgangsmaate og anordning for maaling av stoey
SE7507087L (sv) Forfarande for dempning av svegningar i gaser.
BE829755A (fr) Procede de mesure "in situ" d'un isolement acoustique global aux bruits aeriens, source de bruit et enceinte acoustique incorporee correspondante
BE826097A (fr) Perfectionnements aux appareils de havage
AT362110B (de) Anordnung zur absorption von luftschall
SE7707640L (sv) Forfarande for sammansmeltning av kvicksilverpartiklar
SE415297B (sv) Sett och anordning for ultraljudundersokning
DK300875A (da) Mangfoldiggorelsesapparat
FR2278106A1 (fr) Appareil de reprographie
IT1096439B (it) Metodo per generare programmi sonori a bassa frequenza per rappresentazioni cinematografiche e registrazioni sonore ottenute con esso
BE852518A (fr) Perfectionnements apportes aux soupapes ou appareils analogues
IT1091944B (it) Dispositivo di misura acustica
SE409244B (sv) Forfarande och anordning for generering av signaler anvendbara for bestemning av positionskoordinater
SE7512536L (sv) Forfarande och anordning for ljudupptagning i och for stereoatergivning

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: L'ETABLISSEMENT PUBLIC " TELEDIFFUSION DE FRANCE"

Effective date: 19880531