NL227488A - - Google Patents
Info
- Publication number
- NL227488A NL227488A NL227488DA NL227488A NL 227488 A NL227488 A NL 227488A NL 227488D A NL227488D A NL 227488DA NL 227488 A NL227488 A NL 227488A
- Authority
- NL
- Netherlands
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
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/96—Sonar systems specially adapted for specific applications for locating fish
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1416757A GB833723A (en) | 1957-05-03 | 1957-05-03 | Improvements in or relating to echo sounders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL227488A true NL227488A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=10036212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL227488D NL227488A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1957-05-03 |
Country Status (6)
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE944477C (de) * | 1949-07-19 | 1956-06-14 | Electroacustic Gmbh | Verfahren und Einrichtung zum Echoloten mit Unterwasserschall unter Verwendung einerBraunschen Roehre als Anzeigegeraet |
-
0
- BE BE567308D patent/BE567308A/xx unknown
- NL NL227488D patent/NL227488A/xx unknown
-
1957
- 1957-05-03 GB GB1416757A patent/GB833723A/en not_active Expired
-
1958
- 1958-03-28 DK DK115258A patent/DK107013C/da active
- 1958-04-30 DE DEM37534A patent/DE1123957B/de active Pending
- 1958-05-02 FR FR1206701D patent/FR1206701A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1206701A (fr) | 1960-02-11 |
| BE567308A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| GB833723A (en) | 1960-04-27 |
| DK107013C (da) | 1967-04-10 |
| DE1123957B (de) | 1962-02-15 |