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 correspondanteInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
- G01H3/10—Amplitude; Power
- G01H3/12—Amplitude; Power by electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7418909A FR2273268B1 (US08080257-20111220-C00005.png) | 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)
Families Citing this family (2)
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 |
-
1974
- 1974-05-31 FR FR7418909A patent/FR2273268B1/fr not_active Expired
-
1975
- 1975-05-28 CH CH681375A patent/CH588072A5/xx not_active IP Right Cessation
- 1975-05-30 IT IT2387075A patent/IT1044294B/it active
- 1975-05-30 GB GB2370775A patent/GB1472713A/en not_active Expired
- 1975-05-30 BE BE156930A patent/BE829755A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2273268A1 (US08080257-20111220-C00005.png) | 1975-12-26 |
GB1472713A (en) | 1977-05-04 |
FR2273268B1 (US08080257-20111220-C00005.png) | 1976-10-15 |
CH588072A5 (US08080257-20111220-C00005.png) | 1977-05-31 |
IT1044294B (it) | 1980-03-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: L'ETABLISSEMENT PUBLIC " TELEDIFFUSION DE FRANCE" Effective date: 19880531 |