NL246300A - - Google Patents
Info
- Publication number
- NL246300A NL246300A NL246300A NL246300A NL246300A NL 246300 A NL246300 A NL 246300A NL 246300 A NL246300 A NL 246300A NL 246300 A NL246300 A NL 246300A NL 246300 A NL246300 A NL 246300A
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52003—Techniques for enhancing spatial resolution of targets
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB517859A GB873806A (en) | 1959-02-13 | 1959-02-13 | Improvements in or relating to echo sounders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL246300A true NL246300A (fr) | 1964-02-10 |
Family
ID=9791165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL246300A NL246300A (fr) | 1959-02-13 | 1959-12-11 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1147149B (fr) |
| ES (1) | ES253824A1 (fr) |
| GB (1) | GB873806A (fr) |
| NL (1) | NL246300A (fr) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB543223A (en) * | 1939-08-10 | 1942-02-16 | Radio Electr Soc Fr | Improvements relating to systems for the transmission of sonorous and ultra-sonorous waves, particularly for use in submarine transmission |
| GB774043A (en) * | 1954-05-05 | 1957-05-01 | Bendix Aviat Corp | Sonic transducer with mechanical motion transformer |
-
1959
- 1959-02-13 GB GB517859A patent/GB873806A/en not_active Expired
- 1959-11-03 DE DEM43278A patent/DE1147149B/de active Pending
- 1959-11-30 ES ES0253824A patent/ES253824A1/es not_active Expired
- 1959-12-11 NL NL246300A patent/NL246300A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB873806A (en) | 1961-07-26 |
| ES253824A1 (es) | 1960-03-01 |
| DE1147149B (de) | 1963-04-11 |