NL20462C - - Google Patents
Info
- Publication number
- NL20462C NL20462C NL20462DA NL20462C NL 20462 C NL20462 C NL 20462C NL 20462D A NL20462D A NL 20462DA NL 20462 C NL20462 C NL 20462C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/062—Two dimensional planar arrays using dipole aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/104—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB17350/25A GB259294A (en) | 1925-07-06 | 1925-07-06 | Improvements in or relating to directional aerial systems for use in wireless telegraphy and telephony |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL20462C true NL20462C (de) |
Family
ID=10093625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL20462D NL20462C (de) | 1925-07-06 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1834394A (de) |
| BE (1) | BE335661A (de) |
| DE (1) | DE445049C (de) |
| FR (1) | FR622086A (de) |
| GB (1) | GB259294A (de) |
| NL (1) | NL20462C (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3836977A (en) * | 1973-06-25 | 1974-09-17 | Hazeltine Corp | Antenna system having a reflector with a substantially open construction |
-
0
- NL NL20462D patent/NL20462C/xx active
- BE BE335661D patent/BE335661A/xx unknown
-
1925
- 1925-07-06 GB GB17350/25A patent/GB259294A/en not_active Expired
-
1926
- 1926-05-30 DE DEM94709D patent/DE445049C/de not_active Expired
- 1926-06-25 FR FR622086D patent/FR622086A/fr not_active Expired
- 1926-07-02 US US120170A patent/US1834394A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE445049C (de) | 1927-05-30 |
| GB259294A (en) | 1926-10-06 |
| US1834394A (en) | 1931-12-01 |
| FR622086A (fr) | 1927-05-23 |
| BE335661A (de) |