FR974367A - Système d'antenne pour la navigation par radar - Google Patents
Système d'antenne pour la navigation par radarInfo
- Publication number
- FR974367A FR974367A FR974367DA FR974367A FR 974367 A FR974367 A FR 974367A FR 974367D A FR974367D A FR 974367DA FR 974367 A FR974367 A FR 974367A
- Authority
- FR
- France
- Prior art keywords
- antenna system
- radar navigation
- radar
- navigation
- antenna
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/286—Adaptation for use in or on aircraft, missiles, satellites, or balloons substantially flush mounted with the skin of the craft
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/281—Nose antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US785584A US2573401A (en) | 1947-11-13 | 1947-11-13 | Louver antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
FR974367A true FR974367A (fr) | 1951-02-21 |
Family
ID=25135953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR974367D Expired FR974367A (fr) | 1947-11-13 | 1948-10-27 | Système d'antenne pour la navigation par radar |
Country Status (3)
Country | Link |
---|---|
US (1) | US2573401A (fr) |
FR (1) | FR974367A (fr) |
GB (1) | GB670001A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092770A (en) * | 1956-06-26 | 1963-06-04 | Leslie E Shoemaker | Emergency long range communication system |
US4779097A (en) * | 1985-09-30 | 1988-10-18 | The Boeing Company | Segmented phased array antenna system with mechanically movable segments |
US5220330A (en) * | 1991-11-04 | 1993-06-15 | Hughes Aircraft Company | Broadband conformal inclined slotline antenna array |
GB0028851D0 (en) * | 2000-11-27 | 2001-01-10 | Nokia Mobile Phones Ltd | Improved antenna |
US6756949B2 (en) * | 2002-09-24 | 2004-06-29 | Spx Corporation | Wideband cavity-backed antenna |
US10050330B2 (en) | 2011-12-05 | 2018-08-14 | Adasa Inc. | Aerial inventory antenna |
US9747480B2 (en) | 2011-12-05 | 2017-08-29 | Adasa Inc. | RFID and robots for multichannel shopping |
US10846497B2 (en) | 2011-12-05 | 2020-11-24 | Adasa Inc. | Holonomic RFID reader |
US9780435B2 (en) | 2011-12-05 | 2017-10-03 | Adasa Inc. | Aerial inventory antenna |
US10476130B2 (en) | 2011-12-05 | 2019-11-12 | Adasa Inc. | Aerial inventory antenna |
US11093722B2 (en) | 2011-12-05 | 2021-08-17 | Adasa Inc. | Holonomic RFID reader |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2400867A (en) * | 1942-06-27 | 1946-05-21 | Rca Corp | Antenna |
US2414266A (en) * | 1942-06-27 | 1947-01-14 | Rca Corp | Antenna |
US2425303A (en) * | 1943-05-26 | 1947-08-12 | Rca Corp | Antenna system for radio drift indication |
US2418084A (en) * | 1945-11-05 | 1947-03-25 | United Air Lines Inc | Antenna |
-
1947
- 1947-11-13 US US785584A patent/US2573401A/en not_active Expired - Lifetime
-
1948
- 1948-10-27 FR FR974367D patent/FR974367A/fr not_active Expired
- 1948-11-15 GB GB29635/48A patent/GB670001A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB670001A (en) | 1952-04-09 |
US2573401A (en) | 1951-10-30 |
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