NL66746C - - Google Patents
Info
- Publication number
- NL66746C NL66746C NL131202A NL131202A NL66746C NL 66746 C NL66746 C NL 66746C NL 131202 A NL131202 A NL 131202A NL 131202 A NL131202 A NL 131202A NL 66746 C NL66746 C NL 66746C
- 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
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US358214A US2289856A (en) | 1940-09-25 | 1940-09-25 | Broadcasting antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL66746C true NL66746C (pm) | 1950-11-15 |
Family
ID=23408733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL131202A NL66746C (pm) | 1940-09-25 | 1947-03-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2289856A (pm) |
| FR (1) | FR939004A (pm) |
| GB (1) | GB550009A (pm) |
| NL (1) | NL66746C (pm) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2471515A (en) * | 1944-07-25 | 1949-05-31 | Rca Corp | Antenna |
| BE463047A (pm) * | 1945-01-27 | |||
| US2639382A (en) * | 1945-08-30 | 1953-05-19 | Us Sec War | Antenna |
| US2521550A (en) * | 1946-02-28 | 1950-09-05 | Bell Telephone Labor Inc | Radio antenna system |
| US2487622A (en) * | 1946-02-28 | 1949-11-08 | Rca Corp | Three-phase slot antenna system |
| US2666850A (en) * | 1946-03-29 | 1954-01-19 | John D Kraus | Antenna |
| US2648001A (en) * | 1946-04-11 | 1953-08-04 | Us Navy | Ring type antenna |
| US2493569A (en) * | 1946-05-13 | 1950-01-03 | Gen Electric | Composite loop antenna system |
| US2467962A (en) * | 1947-01-28 | 1949-04-19 | Electronies Res Inc | High-frequency antenna |
| US2580798A (en) * | 1947-05-22 | 1952-01-01 | Kolster Muriel | Broad-band antenna system |
| US2467991A (en) * | 1947-06-06 | 1949-04-19 | Electronics Res Inc | High-frequency antenna |
| NL78888C (pm) * | 1947-12-23 | |||
| US2631237A (en) * | 1948-05-08 | 1953-03-10 | Fed Telecomm Lab Inc | Antenna |
| DE973229C (de) * | 1949-03-04 | 1959-12-24 | Siemens Ag | Als Dipol ausgebildeter Strahler |
| GB721582A (en) * | 1950-04-27 | 1955-01-12 | Marconi Wireless Telegraph Co | Improvements in or relating to short wave radio aerials and aerial systems |
| US2666138A (en) * | 1950-05-25 | 1954-01-12 | Radiart Corp | Antenna |
| USD321884S (en) | 1989-05-16 | 1991-11-26 | David Barrett | Antenna |
| US5506594A (en) * | 1994-04-05 | 1996-04-09 | Howell Laboratories, Inc. | Helically shaped circularly polarizing antenna |
-
1940
- 1940-09-25 US US358214A patent/US2289856A/en not_active Expired - Lifetime
-
1941
- 1941-09-19 GB GB12065/41A patent/GB550009A/en not_active Expired
-
1946
- 1946-03-14 FR FR939004D patent/FR939004A/fr not_active Expired
-
1947
- 1947-03-24 NL NL131202A patent/NL66746C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| GB550009A (en) | 1942-12-17 |
| US2289856A (en) | 1942-07-14 |
| FR939004A (fr) | 1948-11-02 |