FR57903E - Improvements to radio beacon systems - Google Patents
Improvements to radio beacon systemsInfo
- Publication number
- FR57903E FR57903E FR57903DA FR57903E FR 57903 E FR57903 E FR 57903E FR 57903D A FR57903D A FR 57903DA FR 57903 E FR57903 E FR 57903E
- Authority
- FR
- France
- Prior art keywords
- radio beacon
- beacon systems
- systems
- radio
- beacon
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
- G01S13/913—Radar or analogous systems specially adapted for specific applications for traffic control for landing purposes
-
- 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
-
- 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Navigation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US634386XA | 1946-02-05 | 1946-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR57903E true FR57903E (en) | 1953-09-18 |
Family
ID=22049187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR57903D Expired FR57903E (en) | 1946-02-05 | 1947-08-06 | Improvements to radio beacon systems |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR57903E (en) |
GB (1) | GB634386A (en) |
NL (1) | NL79784C (en) |
-
0
- NL NL79784D patent/NL79784C/xx active
-
1947
- 1947-01-31 GB GB3030/47A patent/GB634386A/en not_active Expired
- 1947-08-06 FR FR57903D patent/FR57903E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB634386A (en) | 1950-03-22 |
NL79784C (en) |
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