NL288228A - - Google Patents
Info
- Publication number
- NL288228A NL288228A NL288228DA NL288228A NL 288228 A NL288228 A NL 288228A NL 288228D A NL288228D A NL 288228DA NL 288228 A NL288228 A NL 288228A
- Authority
- NL
- Netherlands
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
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/04—Refracting or diffracting devices, e.g. lens, prism comprising wave-guiding channel or channels bounded by effective conductive surfaces substantially perpendicular to the electric vector of the wave, e.g. parallel-plate waveguide lens
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US175369A US3234556A (en) | 1962-02-23 | 1962-02-23 | Broadband biconical wire-grid lens antenna comprising a central beam shaping portion |
US175370A US3234557A (en) | 1962-02-23 | 1962-02-23 | Non-uniform wire-grid lens antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
NL288228A true NL288228A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=26871142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL288228D NL288228A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1962-02-23 |
Country Status (4)
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3273154A (en) * | 1964-05-27 | 1966-09-13 | Control Data Corp | Lens feed system |
US3363251A (en) * | 1965-01-25 | 1968-01-09 | Sperry Rand Corp | Wire grid antenna exhibiting luneberg lens properties |
US3465343A (en) * | 1965-10-11 | 1969-09-02 | Control Data Corp | Multi-hop ramp feed for wire-grid lens antenna |
US3541565A (en) * | 1967-09-06 | 1970-11-17 | Csf | Electronic-scanning antennas |
US3982248A (en) * | 1974-07-01 | 1976-09-21 | Trw Inc. | Compliant mesh structure for collapsible reflector |
US5115249A (en) * | 1990-08-28 | 1992-05-19 | Grumman Aerospace Corporation | Arrangement for window shade-deployed radar |
US5686930A (en) * | 1994-01-31 | 1997-11-11 | Brydon; Louis B. | Ultra lightweight thin membrane antenna reflector |
CN108075236A (zh) * | 2017-12-27 | 2018-05-25 | 西安电子科技大学 | 一种基于周期性半高销钉的超宽带透镜天线 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT100539B (de) * | 1924-09-29 | 1925-07-25 | Anton Kaderabek | Antenne. |
GB402834A (en) * | 1931-07-29 | 1933-12-14 | Fed Telegraph Co | Improvements in or relating to directional radio beam systems |
US2511916A (en) * | 1944-07-06 | 1950-06-20 | Wave guide for high-frequency electric currents | |
US2884629A (en) * | 1945-11-29 | 1959-04-28 | Samuel J Mason | Metal-plate lens microwave antenna |
US2485138A (en) * | 1946-10-03 | 1949-10-18 | Rca Corp | High-gain antenna system |
US2576181A (en) * | 1947-10-28 | 1951-11-27 | Rca Corp | Focusing device for centimeter waves |
NL81638C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1948-10-01 | |||
US2720588A (en) * | 1949-07-22 | 1955-10-11 | Nat Res Dev | Radio antennae |
US2576182A (en) * | 1950-01-21 | 1951-11-27 | Rca Corp | Scanning antenna system |
US2756424A (en) * | 1952-04-30 | 1956-07-24 | Edward A Lewis | Wire grid fabry-perot type interferometer |
US3047860A (en) * | 1957-11-27 | 1962-07-31 | Austin B Swallow | Two ply electromagnetic energy reflecting fabric |
US3116485A (en) * | 1960-06-27 | 1963-12-31 | Ite Circuit Breaker Ltd | Omnidirectional horn radiator for beacon antenna |
-
0
- NL NL288228D patent/NL288228A/xx unknown
-
1962
- 1962-02-23 US US175369A patent/US3234556A/en not_active Expired - Lifetime
- 1962-02-23 US US175370A patent/US3234557A/en not_active Expired - Lifetime
-
1963
- 1963-01-24 DE DE19631466432 patent/DE1466432A1/de active Pending
- 1963-01-30 GB GB3785/63A patent/GB1025182A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1025182A (en) | 1966-04-06 |
US3234557A (en) | 1966-02-08 |
US3234556A (en) | 1966-02-08 |
DE1466432A1 (de) | 1968-12-19 |