FR1242071A - Systèmes d'antennes - Google Patents
Systèmes d'antennesInfo
- Publication number
- FR1242071A FR1242071A FR811931A FR811931A FR1242071A FR 1242071 A FR1242071 A FR 1242071A FR 811931 A FR811931 A FR 811931A FR 811931 A FR811931 A FR 811931A FR 1242071 A FR1242071 A FR 1242071A
- Authority
- FR
- France
- Prior art keywords
- antenna systems
- antenna
- systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H01Q3/20—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 fixed and the reflecting device is movable
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3044067X | 1958-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1242071A true FR1242071A (fr) | 1960-09-23 |
Family
ID=10920408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR811931A Expired FR1242071A (fr) | 1958-12-03 | 1959-12-02 | Systèmes d'antennes |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3044067A (fr) |
| FR (1) | FR1242071A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3501766A (en) * | 1965-08-16 | 1970-03-17 | Marconi Co Ltd | Variable directivity aerial of the slotted waveguide type |
| US3832715A (en) * | 1971-09-23 | 1974-08-27 | Page Communications Eng Inc | Wide angle scanning and multibeam single reflector |
| US4861124A (en) * | 1987-05-13 | 1989-08-29 | Sanders Associates, Inc. | Dual-section spatial modulation transmitter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2721263A (en) * | 1945-11-13 | 1955-10-18 | Roy C Spencer | Curved throat scan horn for the transmission of electromagnetic energy |
| US2570197A (en) * | 1949-06-16 | 1951-10-09 | John I Bohnert | Dual purpose antenna |
| US2680810A (en) * | 1952-02-12 | 1954-06-08 | Us Army | Microwave antenna system |
| US2750588A (en) * | 1953-03-26 | 1956-06-12 | Frank L Hennessey | Wave guide terminating device |
| GB745038A (en) * | 1953-12-31 | 1956-02-15 | British Thomson Houston Co Ltd | Improvements relating to scanning aerials |
-
1959
- 1959-11-30 US US856247A patent/US3044067A/en not_active Expired - Lifetime
- 1959-12-02 FR FR811931A patent/FR1242071A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3044067A (en) | 1962-07-10 |
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