NL33345B - - Google Patents
Info
- Publication number
- NL33345B NL33345B NL33345DA NL33345B NL 33345 B NL33345 B NL 33345B NL 33345D A NL33345D A NL 33345DA NL 33345 B NL33345 B NL 33345B
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
- F01D5/041—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the Ljungström type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US617730XA | 1925-05-09 | 1925-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL33345B true NL33345B (es) |
Family
ID=22038037
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL33345D NL33345B (es) | 1925-05-09 | ||
| NL23436D NL23436C (es) | 1925-05-09 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL23436D NL23436C (es) | 1925-05-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1790646A (es) |
| BE (1) | BE334348A (es) |
| FR (1) | FR617730A (es) |
| NL (2) | NL23436C (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB628986A (en) * | 1946-10-01 | 1949-09-08 | Edward Cecil Cork | Improvements in or relating to aerials |
| USRE23943E (en) * | 1953-03-10 | 1955-02-08 | finneburgh | |
| CA2170918C (en) * | 1996-03-04 | 2000-01-11 | James Stanley Podger | Double-delta turnstile antenna |
| CA2172742C (en) * | 1996-03-27 | 1997-09-28 | James Stanley Podger | Double-delta log-periodic antenna |
| FR3040111B1 (fr) * | 2015-08-10 | 2017-12-01 | Tdf | Antenne a ondes de surface, reseau d'antennes et utilisation d'une antenne ou d'un reseau d'antennes |
-
0
- NL NL33345D patent/NL33345B/xx unknown
- BE BE334348D patent/BE334348A/xx unknown
- US US1790646D patent/US1790646A/en not_active Expired - Lifetime
- NL NL23436D patent/NL23436C/xx active
-
1926
- 1926-05-05 FR FR617730D patent/FR617730A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1790646A (en) | 1931-02-03 |
| FR617730A (fr) | 1927-02-24 |
| BE334348A (es) | |
| NL23436C (es) |