IT1012736B - Antenna elementare unita in schie ra con antenne elementari simili per ricevere e re irradiare dual mente onde elettromagnetiche po larizzate circolarmente - Google Patents
Antenna elementare unita in schie ra con antenne elementari simili per ricevere e re irradiare dual mente onde elettromagnetiche po larizzate circolarmenteInfo
- Publication number
- IT1012736B IT1012736B IT2307674A IT2307674A IT1012736B IT 1012736 B IT1012736 B IT 1012736B IT 2307674 A IT2307674 A IT 2307674A IT 2307674 A IT2307674 A IT 2307674A IT 1012736 B IT1012736 B IT 1012736B
- Authority
- IT
- Italy
- Prior art keywords
- elementary
- larized
- arches
- mind
- receive
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/22—Reflecting surfaces; Equivalent structures functioning also as polarisation filter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- 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
- H01Q3/44—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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
- H01Q3/46—Active lenses or reflecting arrays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US363029A US3906514A (en) | 1971-10-27 | 1973-05-23 | Dual polarization spiral antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1012736B true IT1012736B (it) | 1977-03-10 |
Family
ID=23428485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2307674A IT1012736B (it) | 1973-05-23 | 1974-05-22 | Antenna elementare unita in schie ra con antenne elementari simili per ricevere e re irradiare dual mente onde elettromagnetiche po larizzate circolarmente |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA1018276A (it) |
DE (1) | DE2424819A1 (it) |
DK (1) | DK143827C (it) |
FR (1) | FR2231127B1 (it) |
GB (1) | GB1475319A (it) |
IT (1) | IT1012736B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3949407A (en) * | 1972-12-25 | 1976-04-06 | Harris Corporation | Direct fed spiral antenna |
FR2522888A1 (fr) * | 1982-03-02 | 1983-09-09 | Thomson Csf | Antenne a double reflecteur a transformateur de polarisation incorpore |
-
1974
- 1974-05-14 DK DK264274A patent/DK143827C/da not_active IP Right Cessation
- 1974-05-14 CA CA199,765A patent/CA1018276A/en not_active Expired
- 1974-05-22 FR FR7417862A patent/FR2231127B1/fr not_active Expired
- 1974-05-22 DE DE19742424819 patent/DE2424819A1/de not_active Withdrawn
- 1974-05-22 IT IT2307674A patent/IT1012736B/it active
- 1974-05-23 GB GB2318674A patent/GB1475319A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU6932874A (en) | 1975-11-27 |
CA1018276A (en) | 1977-09-27 |
FR2231127A1 (it) | 1974-12-20 |
DK264274A (it) | 1975-03-17 |
GB1475319A (en) | 1977-06-01 |
DK143827B (da) | 1981-10-12 |
DK143827C (da) | 1982-03-08 |
DE2424819A1 (de) | 1974-12-19 |
FR2231127B1 (it) | 1979-02-16 |
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