FR683003A - Improvements in the methods of locating an alignment by radio waves - Google Patents
Improvements in the methods of locating an alignment by radio wavesInfo
- Publication number
- FR683003A FR683003A FR683003DA FR683003A FR 683003 A FR683003 A FR 683003A FR 683003D A FR683003D A FR 683003DA FR 683003 A FR683003 A FR 683003A
- Authority
- FR
- France
- Prior art keywords
- locating
- alignment
- methods
- radio waves
- waves
- 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 |
---|---|---|---|
FR683003T | 1929-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR683003A true FR683003A (en) | 1930-06-05 |
Family
ID=9023638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR683003D Expired FR683003A (en) | 1929-01-21 | 1929-01-21 | Improvements in the methods of locating an alignment by radio waves |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR683003A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755783C (en) * | 1934-01-27 | 1953-04-16 | Marconi Wireless Telegraph Co | Antenna arrangement for defining a landing line for aircraft |
DE754630C (en) * | 1934-01-27 | 1953-06-08 | Marconi Wireless Telegraph Co | Device for the alternating release and blocking of energy transmission on a high-frequency line |
-
1929
- 1929-01-21 FR FR683003D patent/FR683003A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755783C (en) * | 1934-01-27 | 1953-04-16 | Marconi Wireless Telegraph Co | Antenna arrangement for defining a landing line for aircraft |
DE754630C (en) * | 1934-01-27 | 1953-06-08 | Marconi Wireless Telegraph Co | Device for the alternating release and blocking of energy transmission on a high-frequency line |
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