FR867451A - Systèmes de communications radioélectriques - Google Patents
Systèmes de communications radioélectriquesInfo
- Publication number
- FR867451A FR867451A FR867451DA FR867451A FR 867451 A FR867451 A FR 867451A FR 867451D A FR867451D A FR 867451DA FR 867451 A FR867451 A FR 867451A
- Authority
- FR
- France
- Prior art keywords
- communications systems
- radio communications
- radio
- systems
- communications
- 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
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/42—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means using frequency-mixing
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US284400A US2225928A (en) | 1939-07-14 | 1939-07-14 | Multiple unit steerable antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR867451A true FR867451A (fr) | 1941-11-03 |
Family
ID=23090072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR867451D Expired FR867451A (fr) | 1939-07-14 | 1940-10-10 | Systèmes de communications radioélectriques |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2225928A (fr) |
| FR (1) | FR867451A (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2549867A (en) * | 1939-12-21 | 1951-04-24 | Hendrik C A Van Duuren | Antenna system |
| US2510280A (en) * | 1946-09-10 | 1950-06-06 | Rca Corp | Antenna system |
| US2786999A (en) * | 1953-05-15 | 1957-03-26 | Bell Telephone Labor Inc | Non-reciprocal directive antenna arrays |
| US3202961A (en) * | 1957-05-31 | 1965-08-24 | Commissioners For Executing Th | Object detecting and locating apparatus |
| US3161851A (en) * | 1957-05-31 | 1964-12-15 | Gregory M Voglis | Object detecting and locating apparatus |
| US3182324A (en) * | 1959-04-01 | 1965-05-04 | Avco Mfg Corp | Signal synthesizing system |
| US3076193A (en) * | 1959-08-19 | 1963-01-29 | Gen Electric | Electronic scanning of circular arrays |
| US6693589B2 (en) * | 2002-01-30 | 2004-02-17 | Raytheon Company | Digital beam stabilization techniques for wide-bandwidth electronically scanned antennas |
| KR20180050738A (ko) | 2015-09-10 | 2018-05-15 | 블루 다뉴브 시스템스, 인크. | 직렬 상호연결의 교정 |
-
1939
- 1939-07-14 US US284400A patent/US2225928A/en not_active Expired - Lifetime
-
1940
- 1940-10-10 FR FR867451D patent/FR867451A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2225928A (en) | 1940-12-24 |
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