IT999276B - Radiofaro di navigazione - Google Patents
Radiofaro di navigazioneInfo
- Publication number
- IT999276B IT999276B IT31055/73A IT3105573A IT999276B IT 999276 B IT999276 B IT 999276B IT 31055/73 A IT31055/73 A IT 31055/73A IT 3105573 A IT3105573 A IT 3105573A IT 999276 B IT999276 B IT 999276B
- Authority
- IT
- Italy
- Prior art keywords
- radio beacon
- navigation radio
- navigation
- beacon
- radio
- Prior art date
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
- G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
- G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5288672A GB1413686A (en) | 1972-11-16 | 1972-11-16 | Radio navigation beacon |
Publications (1)
Publication Number | Publication Date |
---|---|
IT999276B true IT999276B (it) | 1976-02-20 |
Family
ID=10465701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT31055/73A IT999276B (it) | 1972-11-16 | 1973-11-08 | Radiofaro di navigazione |
Country Status (4)
Country | Link |
---|---|
US (1) | US3885241A (it) |
DE (1) | DE2355909A1 (it) |
GB (1) | GB1413686A (it) |
IT (1) | IT999276B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4485384A (en) * | 1981-03-05 | 1984-11-27 | Connor Frank R | Microwave system |
US20040085242A1 (en) * | 2002-10-30 | 2004-05-06 | Nicole Brousseau | Synthetic Doppler system and method for locating cooperative transceivers |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3728729A (en) * | 1971-12-22 | 1973-04-17 | Int Standard Electric Corp | Radio navigation beacon including antenna element commutation |
-
1972
- 1972-11-16 GB GB5288672A patent/GB1413686A/en not_active Expired
-
1973
- 1973-11-08 DE DE2355909A patent/DE2355909A1/de active Pending
- 1973-11-08 IT IT31055/73A patent/IT999276B/it active
- 1973-11-14 US US415809A patent/US3885241A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1413686A (en) | 1975-11-12 |
US3885241A (en) | 1975-05-20 |
DE2355909A1 (de) | 1974-05-22 |
AU6192773A (en) | 1975-05-01 |
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