BE779883A - Dispositif pour attenuer et transmettre le son - Google Patents
Dispositif pour attenuer et transmettre le sonInfo
- Publication number
- BE779883A BE779883A BE779883A BE779883A BE779883A BE 779883 A BE779883 A BE 779883A BE 779883 A BE779883 A BE 779883A BE 779883 A BE779883 A BE 779883A BE 779883 A BE779883 A BE 779883A
- Authority
- BE
- Belgium
- Prior art keywords
- mutting
- transmitting sound
- sound
- transmitting
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB551971 | 1971-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE779883A true BE779883A (fr) | 1972-06-16 |
Family
ID=9797737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE779883A BE779883A (fr) | 1971-02-26 | 1972-02-25 | Dispositif pour attenuer et transmettre le son |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE779883A (fr) |
| DE (1) | DE2209068A1 (fr) |
| ES (1) | ES400133A1 (fr) |
| FR (1) | FR2131980A1 (fr) |
| IT (1) | IT949194B (fr) |
| ZA (1) | ZA72950B (fr) |
| ZM (1) | ZM3472A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014225618A1 (de) | 2014-12-11 | 2016-06-16 | Mahle International Gmbh | Verfahren zur Herstellung eines Hohlventils |
-
1972
- 1972-02-14 ZA ZA720950A patent/ZA72950B/xx unknown
- 1972-02-18 ZM ZM34/72A patent/ZM3472A1/xx unknown
- 1972-02-24 ES ES400133A patent/ES400133A1/es not_active Expired
- 1972-02-24 IT IT67584072A patent/IT949194B/it active
- 1972-02-25 BE BE779883A patent/BE779883A/fr unknown
- 1972-02-25 DE DE2209068A patent/DE2209068A1/de active Pending
- 1972-02-25 FR FR7206530A patent/FR2131980A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ZM3472A1 (en) | 1972-10-23 |
| DE2209068A1 (de) | 1973-10-25 |
| IT949194B (it) | 1973-06-11 |
| FR2131980A1 (fr) | 1972-11-17 |
| ZA72950B (en) | 1973-03-28 |
| ES400133A1 (es) | 1975-01-01 |
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