FR873172A - Device for directed reception of wave movements - Google Patents
Device for directed reception of wave movementsInfo
- Publication number
- FR873172A FR873172A FR873172DA FR873172A FR 873172 A FR873172 A FR 873172A FR 873172D A FR873172D A FR 873172DA FR 873172 A FR873172 A FR 873172A
- Authority
- FR
- France
- Prior art keywords
- wave movements
- directed reception
- reception
- directed
- movements
- 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
- G01S1/02—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 radio 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 |
---|---|---|---|
DE873172X | 1939-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR873172A true FR873172A (en) | 1942-07-01 |
Family
ID=6816313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR873172D Expired FR873172A (en) | 1939-08-16 | 1941-06-18 | Device for directed reception of wave movements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR873172A (en) |
-
1941
- 1941-06-18 FR FR873172D patent/FR873172A/en not_active Expired
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