GB689408A - Improvements in or relating to radio lenses - Google Patents
Improvements in or relating to radio lensesInfo
- Publication number
- GB689408A GB689408A GB28401/50A GB2840150A GB689408A GB 689408 A GB689408 A GB 689408A GB 28401/50 A GB28401/50 A GB 28401/50A GB 2840150 A GB2840150 A GB 2840150A GB 689408 A GB689408 A GB 689408A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lens
- plates
- plate
- horn
- mouth
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
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
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
Landscapes
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR296492X | 1949-12-03 | ||
FR130750X | 1950-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB689408A true GB689408A (en) | 1953-03-25 |
Family
ID=26213616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB28401/50A Expired GB689408A (en) | 1949-12-03 | 1950-11-21 | Improvements in or relating to radio lenses |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE499744A (enrdf_load_stackoverflow) |
CH (2) | CH130750A (enrdf_load_stackoverflow) |
DE (1) | DE830675C (enrdf_load_stackoverflow) |
GB (1) | GB689408A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4091388A (en) * | 1976-12-08 | 1978-05-23 | General Dynamics Corporation Electronics Division | Boresight error compensation in boresighting antenna-radome system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2582157B1 (fr) * | 1985-05-15 | 1988-04-08 | Snecma | Antenne a pas de balayage reduit dans un large secteur angulaire |
-
0
- BE BE499744D patent/BE499744A/xx unknown
-
1927
- 1927-04-05 CH CH130750D patent/CH130750A/de unknown
-
1950
- 1950-11-21 GB GB28401/50A patent/GB689408A/en not_active Expired
- 1950-11-30 CH CH296492D patent/CH296492A/fr unknown
- 1950-12-01 DE DEC3489A patent/DE830675C/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4091388A (en) * | 1976-12-08 | 1978-05-23 | General Dynamics Corporation Electronics Division | Boresight error compensation in boresighting antenna-radome system |
Also Published As
Publication number | Publication date |
---|---|
CH130750A (de) | 1928-12-31 |
DE830675C (de) | 1952-03-13 |
CH296492A (fr) | 1954-02-15 |
BE499744A (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3231892A (en) | Antenna feed system simultaneously operable at two frequencies utilizing polarization independent frequency selective intermediate reflector | |
US2423648A (en) | Antenna | |
US2342721A (en) | Parabolic reflector | |
US3842421A (en) | Multiple band frequency selective reflectors | |
GB782042A (en) | Improvements in or relating to aerials operating simultaneously on two different frequency bands | |
GB689408A (en) | Improvements in or relating to radio lenses | |
US2540518A (en) | Directional antenna | |
US3521288A (en) | Antenna array employing beam waveguide feed | |
GB1268341A (en) | Improvements in parabolic antennas | |
GB1025182A (en) | Improvements relating to radio lenses | |
US2549783A (en) | Antenna | |
US3911440A (en) | Antenna feed system | |
GB696834A (en) | Improvements in or relating to radar reflector systems for use on buoys and other floating structures | |
GB976253A (en) | Improvements in or relating to aerial systems | |
GB1366259A (en) | Wide-band electromagnetic wave reflectors | |
GB901005A (en) | Improvements in or relating to a parabolic reflector antenna for waves polarized in two directions | |
US2421032A (en) | Unidirectional antenna | |
US2769171A (en) | Wave energy compound refractors | |
GB758957A (en) | Improvements relating to ultra-high frequency aerials | |
GB660788A (en) | Directive antenna system | |
GB700868A (en) | Improvements in or relating to high frequency radio aerials | |
GB1167598A (en) | Improvements in or relating to Reflectors for Circularly Polarised Electro-Magnetic Waves | |
GB1457907A (en) | Microwave antennas | |
GB1205014A (en) | Improvements in or relating to directional aerial systems | |
GB666203A (en) | Improvements in or relating to radio wave lenses |