IT1032250B - Sistema rioevitore di radiogonio metria - Google Patents
Sistema rioevitore di radiogonio metriaInfo
- Publication number
- IT1032250B IT1032250B IT4853075A IT4853075A IT1032250B IT 1032250 B IT1032250 B IT 1032250B IT 4853075 A IT4853075 A IT 4853075A IT 4853075 A IT4853075 A IT 4853075A IT 1032250 B IT1032250 B IT 1032250B
- Authority
- IT
- Italy
- Prior art keywords
- rioevitor
- radiogonio
- metria
- rioevitor system
- radiogonio metria
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/242—Circumferential scanning
-
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7408255A FR2264290B1 (sv) | 1974-03-12 | 1974-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1032250B true IT1032250B (it) | 1979-05-30 |
Family
ID=9136145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT4853075A IT1032250B (it) | 1974-03-12 | 1975-03-10 | Sistema rioevitore di radiogonio metria |
Country Status (4)
Country | Link |
---|---|
FR (1) | FR2264290B1 (sv) |
GB (1) | GB1490918A (sv) |
IT (1) | IT1032250B (sv) |
SU (1) | SU912061A3 (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4338606A (en) * | 1978-12-21 | 1982-07-06 | Sony Corporation | Antenna system with variable directivity |
JPS59108404A (ja) * | 1982-12-14 | 1984-06-22 | Taiyo Musen Kk | 方向探知機の空中線装置 |
JPS60147666A (ja) * | 1984-01-13 | 1985-08-03 | Taiyo Musen Kk | 方向探知機の空中線装置 |
GB8426246D0 (en) * | 1984-10-17 | 1984-11-21 | British Gas Corp | Microwave reflection survey equipment |
GB8426245D0 (en) * | 1984-10-17 | 1984-11-21 | British Gas Corp | Microwave reflection survey equipment |
-
1974
- 1974-03-12 FR FR7408255A patent/FR2264290B1/fr not_active Expired
-
1975
- 1975-03-10 IT IT4853075A patent/IT1032250B/it active
- 1975-03-10 GB GB992575A patent/GB1490918A/en not_active Expired
- 1975-03-11 SU SU752109236A patent/SU912061A3/ru active
Also Published As
Publication number | Publication date |
---|---|
DE2510598A1 (de) | 1975-09-18 |
SU912061A3 (ru) | 1982-03-07 |
DE2510598B2 (de) | 1977-06-08 |
FR2264290B1 (sv) | 1979-07-06 |
GB1490918A (en) | 1977-11-02 |
FR2264290A1 (sv) | 1975-10-10 |
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