BE479157A - - Google Patents
Info
- Publication number
- BE479157A BE479157A BE479157DA BE479157A BE 479157 A BE479157 A BE 479157A BE 479157D A BE479157D A BE 479157DA BE 479157 A BE479157 A BE 479157A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/18—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US483555A US2446436A (en) | 1943-04-19 | 1943-04-19 | Beam antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479157A true BE479157A (nl) |
Family
ID=23920540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479157D BE479157A (nl) | 1943-04-19 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2446436A (nl) |
| BE (1) | BE479157A (nl) |
| FR (1) | FR953890A (nl) |
| GB (1) | GB639469A (nl) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2520945A (en) * | 1943-08-18 | 1950-09-05 | Sperry Corp | Wave transmission apparatus |
| US2491493A (en) * | 1944-02-07 | 1949-12-20 | Stromberg Carlson Co | Dipole antenna |
| US2627028A (en) * | 1945-07-03 | 1953-01-27 | Welville B Nowak | Antenna system |
| US2635191A (en) * | 1945-07-09 | 1953-04-14 | Jr Lewis E Swarts | Antenna |
| US2605416A (en) * | 1945-09-19 | 1952-07-29 | Foster John Stuart | Directive system for wave guide feed to parabolic reflector |
| US2647212A (en) * | 1946-01-17 | 1953-07-28 | Bell Telephone Labor Inc | Antenna system |
| US2543130A (en) * | 1946-07-03 | 1951-02-27 | Bell Telephone Labor Inc | Reflecting system |
| US2503278A (en) * | 1947-03-21 | 1950-04-11 | Raytheon Mfg Co | Energy radiation apparatus |
| US2642754A (en) * | 1948-12-11 | 1953-06-23 | Conti Maurice P De | Rotatable antenna for televisions |
| US2570197A (en) * | 1949-06-16 | 1951-10-09 | John I Bohnert | Dual purpose antenna |
| US2803009A (en) * | 1950-11-13 | 1957-08-13 | Western Electric Co | Protective shield for providing an impedance match between a radar feed and its parabolic reflector |
| JPS5119948B1 (nl) * | 1970-11-21 | 1976-06-21 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1828705A (en) * | 1928-05-21 | 1931-10-20 | Fed Telegraph Co | Radio system |
| US2083242A (en) * | 1934-01-27 | 1937-06-08 | Telefunken Gmbh | Method of direction finding |
| NL61318C (nl) * | 1939-07-26 | |||
| US2401344A (en) * | 1940-06-14 | 1946-06-04 | Gen Electric Co Ltd | High-frequency electric transmission system |
| US2298449A (en) * | 1941-11-08 | 1942-10-13 | Bell Telephone Labor Inc | Antenna |
-
0
- BE BE479157D patent/BE479157A/xx unknown
-
1943
- 1943-04-19 US US483555A patent/US2446436A/en not_active Expired - Lifetime
-
1947
- 1947-06-20 GB GB16310/47A patent/GB639469A/en not_active Expired
- 1947-10-07 FR FR953890D patent/FR953890A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2446436A (en) | 1948-08-03 |
| GB639469A (en) | 1950-06-28 |
| FR953890A (fr) | 1949-12-14 |