FR967660A - Improvements to marine sounding systems - Google Patents
Improvements to marine sounding systemsInfo
- Publication number
- FR967660A FR967660A FR967660DA FR967660A FR 967660 A FR967660 A FR 967660A FR 967660D A FR967660D A FR 967660DA FR 967660 A FR967660 A FR 967660A
- Authority
- FR
- France
- Prior art keywords
- sounding systems
- marine sounding
- marine
- systems
- sounding
- Prior art date
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR967660T | 1948-06-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR967660A true FR967660A (en) | 1950-11-09 |
Family
ID=9500788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR967660D Expired FR967660A (en) | 1948-06-04 | 1948-06-04 | Improvements to marine sounding systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR967660A (en) |
-
1948
- 1948-06-04 FR FR967660D patent/FR967660A/en not_active Expired
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