BE658615A - - Google Patents
Info
- Publication number
- BE658615A BE658615A BE658615DA BE658615A BE 658615 A BE658615 A BE 658615A BE 658615D A BE658615D A BE 658615DA BE 658615 A BE658615 A BE 658615A
- Authority
- BE
- Belgium
- 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
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
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Regulation Of General Use Transformers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT48364A AT240457B (de) | 1964-01-22 | 1964-01-22 | Transformatorgeräuschdämmung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE658615A true BE658615A (da) | 1965-05-17 |
Family
ID=3491794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE658615D Expired BE658615A (da) | 1964-01-22 | 1965-01-21 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT240457B (da) |
| BE (1) | BE658615A (da) |
| CH (1) | CH427017A (da) |
| FR (1) | FR1421075A (da) |
| NL (1) | NL6500634A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2660787B1 (fr) * | 1990-04-06 | 1996-06-21 | Technologies Speciales Ingenie | Ecran anechouide. |
-
1964
- 1964-01-22 AT AT48364A patent/AT240457B/de active
-
1965
- 1965-01-15 CH CH57265A patent/CH427017A/de unknown
- 1965-01-18 FR FR2373A patent/FR1421075A/fr not_active Expired
- 1965-01-19 NL NL6500634A patent/NL6500634A/xx unknown
- 1965-01-21 BE BE658615D patent/BE658615A/xx not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1421075A (fr) | 1965-12-10 |
| NL6500634A (da) | 1965-07-23 |
| CH427017A (de) | 1966-12-31 |
| AT240457B (de) | 1965-05-25 |