NL74737C - - Google Patents
Info
- Publication number
- NL74737C NL74737C NL74737DA NL74737C NL 74737 C NL74737 C NL 74737C NL 74737D A NL74737D A NL 74737DA NL 74737 C NL74737 C NL 74737C
- 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
- H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
-
- 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
- H01Q15/12—Refracting or diffracting devices, e.g. lens, prism functioning also as polarisation filter
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US152462A US2627027A (en) | 1950-03-28 | 1950-03-28 | Nonreflective radio refractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74737C true NL74737C (fr) |
Family
ID=22543029
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL74737D NL74737C (fr) | 1950-03-28 | ||
| NL6702762.A NL159331B (nl) | 1950-03-28 | Stempelinrichting. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6702762.A NL159331B (nl) | 1950-03-28 | Stempelinrichting. |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2627027A (fr) |
| FR (1) | FR1030428A (fr) |
| NL (2) | NL159331B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB742401A (en) * | 1953-01-26 | 1955-12-30 | Mini Of Supply | Microwave transmission apparatus |
| US3017608A (en) * | 1954-07-07 | 1962-01-16 | William J Toulis | Spherical acoustical lens system for focusing underwater sound |
| JP5904490B2 (ja) * | 2012-02-15 | 2016-04-13 | 国立大学法人茨城大学 | 人工誘電体レンズ |
| DE112014007243A5 (de) * | 2014-12-11 | 2017-09-28 | Vega Grieshaber Kg | Antennenabdeckung, Verwendung einer Antennenabdeckung, Adapter zum Verbinden zweier Antennenabdeckungen und Verfahren zum Herstellen einer linsenförmigen Antennenabdeckung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2508479A (en) * | 1944-11-16 | 1950-05-23 | Hazeltine Research Inc | High-frequency electromagneticwave translating arrangement |
-
0
- NL NL74737D patent/NL74737C/xx active
- NL NL6702762.A patent/NL159331B/xx unknown
-
1950
- 1950-03-28 US US152462A patent/US2627027A/en not_active Expired - Lifetime
-
1951
- 1951-01-03 FR FR1030428D patent/FR1030428A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL159331B (nl) | |
| US2627027A (en) | 1953-01-27 |
| FR1030428A (fr) | 1953-06-12 |