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 |
|---|---|---|---|
| US175370A US3234557A (en) | 1962-02-23 | 1962-02-23 | Non-uniform wire-grid lens antenna |
| US175369A US3234556A (en) | 1962-02-23 | 1962-02-23 | Broadband biconical wire-grid lens antenna comprising a central beam shaping portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL288228A true NL288228A (de) |
Family
ID=26871142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL288228D NL288228A (de) | 1962-02-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US3234556A (de) |
| DE (1) | DE1466432A1 (de) |
| GB (1) | GB1025182A (de) |
| NL (1) | NL288228A (de) |
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 |
| NL148874B (nl) * | 1948-10-01 | Roussel Uclaf | Werkwijze voor het bereiden van een derivaat van 9,10-ethano-9,10-dihydroantraceen, dat op de 11-plaats gesubstitueerd is en een anticholinergische en antihistamine werking heeft en kan worden gebruikt ter behandeling van de ziekte van parkinson, werkwijze voor het bereiden van een geneesmiddel, dat dit derivaat bevat en gevormd geneesmiddel. | |
| 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 |
| US3234556A (en) | 1966-02-08 |
| DE1466432A1 (de) | 1968-12-19 |
| US3234557A (en) | 1966-02-08 |