FR410611A - Improvements to submarine signal transmission devices - Google Patents
Improvements to submarine signal transmission devicesInfo
- Publication number
- FR410611A FR410611A FR410611DA FR410611A FR 410611 A FR410611 A FR 410611A FR 410611D A FR410611D A FR 410611DA FR 410611 A FR410611 A FR 410611A
- Authority
- FR
- France
- Prior art keywords
- signal transmission
- transmission devices
- submarine signal
- submarine
- devices
- 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 |
---|---|---|---|
FR410611T | 1909-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR410611A true FR410611A (en) | 1910-05-25 |
Family
ID=1454643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR410611D Expired FR410611A (en) | 1909-12-18 | 1909-12-18 | Improvements to submarine signal transmission devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR410611A (en) |
-
1909
- 1909-12-18 FR FR410611D patent/FR410611A/en not_active Expired
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