FR946001A - Device for the production of a guide beam, for vehicles, and in particular for airplanes - Google Patents
Device for the production of a guide beam, for vehicles, and in particular for airplanesInfo
- Publication number
- FR946001A FR946001A FR946001DA FR946001A FR 946001 A FR946001 A FR 946001A FR 946001D A FR946001D A FR 946001DA FR 946001 A FR946001 A FR 946001A
- Authority
- FR
- France
- Prior art keywords
- airplanes
- vehicles
- production
- guide beam
- guide
- 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
- G01S1/08—Systems for determining direction or position line
- G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
-
- 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)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Traffic Control Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US257447XA | 1946-05-04 | 1946-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR946001A true FR946001A (en) | 1949-05-20 |
Family
ID=21827832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR946001D Expired FR946001A (en) | 1946-05-04 | 1947-04-30 | Device for the production of a guide beam, for vehicles, and in particular for airplanes |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE473003A (en) |
CH (1) | CH257447A (en) |
DE (1) | DE804814C (en) |
FR (1) | FR946001A (en) |
-
0
- BE BE473003D patent/BE473003A/fr unknown
-
1947
- 1947-04-21 CH CH257447D patent/CH257447A/en unknown
- 1947-04-30 FR FR946001D patent/FR946001A/en not_active Expired
-
1948
- 1948-12-29 DE DEP27704A patent/DE804814C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE473003A (en) | |
DE804814C (en) | 1951-04-30 |
CH257447A (en) | 1948-10-15 |
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