DK191979A - Apparat til maaling af lydintensitet - Google Patents
Apparat til maaling af lydintensitetInfo
- Publication number
- DK191979A DK191979A DK191979A DK191979A DK191979A DK 191979 A DK191979 A DK 191979A DK 191979 A DK191979 A DK 191979A DK 191979 A DK191979 A DK 191979A DK 191979 A DK191979 A DK 191979A
- Authority
- DK
- Denmark
- Prior art keywords
- measurement
- sound intensity
- sound
- intensity
- 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
- G01H3/04—Frequency
- G01H3/08—Analysing frequencies present in complex vibrations, e.g. comparing harmonics present
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7813863A FR2425632A1 (fr) | 1978-05-10 | 1978-05-10 | Dispositif de mesure d'intensite acoustique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK191979A true DK191979A (da) | 1979-11-11 |
Family
ID=9208096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK191979A DK191979A (da) | 1978-05-10 | 1979-05-09 | Apparat til maaling af lydintensitet |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH631262A5 (da) |
| DE (1) | DE2918947A1 (da) |
| DK (1) | DK191979A (da) |
| FR (1) | FR2425632A1 (da) |
| GB (1) | GB2020807B (da) |
| NL (1) | NL7903446A (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961721A (ja) * | 1982-10-01 | 1984-04-09 | Bridgestone Corp | 音源探索方法および装置 |
| JPS5979852A (ja) * | 1982-10-29 | 1984-05-09 | Asahi Chem Ind Co Ltd | 微視的破壊検出装置 |
| US4665494A (en) * | 1982-12-17 | 1987-05-12 | Victor Company Of Japan, Limited | Spectrum display device for audio signals |
| WO2006096959A1 (en) | 2005-03-16 | 2006-09-21 | James Cox | Microphone array and digital signal processing system |
-
1978
- 1978-05-10 FR FR7813863A patent/FR2425632A1/fr active Granted
-
1979
- 1979-04-25 GB GB7914423A patent/GB2020807B/en not_active Expired
- 1979-05-02 NL NL7903446A patent/NL7903446A/xx not_active Application Discontinuation
- 1979-05-04 CH CH421779A patent/CH631262A5/fr not_active IP Right Cessation
- 1979-05-09 DK DK191979A patent/DK191979A/da not_active Application Discontinuation
- 1979-05-10 DE DE19792918947 patent/DE2918947A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL7903446A (nl) | 1979-11-13 |
| FR2425632A1 (fr) | 1979-12-07 |
| DE2918947A1 (de) | 1979-11-22 |
| GB2020807B (en) | 1982-10-06 |
| FR2425632B1 (da) | 1981-07-17 |
| CH631262A5 (fr) | 1982-07-30 |
| GB2020807A (en) | 1979-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |