FR987451A - Aerial radio - Google Patents
Aerial radioInfo
- Publication number
- FR987451A FR987451A FR987451DA FR987451A FR 987451 A FR987451 A FR 987451A FR 987451D A FR987451D A FR 987451DA FR 987451 A FR987451 A FR 987451A
- Authority
- FR
- France
- Prior art keywords
- aerial radio
- aerial
- radio
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
- H01Q21/10—Collinear arrangements of substantially straight elongated conductive units
-
- 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
- H01Q3/02—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 movement of antenna or antenna system as a whole
- H01Q3/04—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 movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
-
- 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 |
---|---|---|---|
FR987451T | 1943-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR987451A true FR987451A (en) | 1951-08-14 |
Family
ID=9538887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR987451D Expired FR987451A (en) | 1943-12-30 | 1943-12-30 | Aerial radio |
Country Status (2)
Country | Link |
---|---|
US (1) | US2498655A (en) |
FR (1) | FR987451A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5038151A (en) * | 1989-07-31 | 1991-08-06 | Loral Aerospace Corp. | Simultaneous transmit and receive antenna |
US8284110B2 (en) | 2010-06-03 | 2012-10-09 | Mitre Corporation | Compact ultra-wide bandwidth antenna with polarization diversity |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE441791A (en) * | 1940-01-26 | |||
CH219820A (en) * | 1940-01-31 | 1942-02-28 | Telefunken Gmbh | High-frequency conductor with switched on series impedance. |
US2385783A (en) * | 1942-09-30 | 1945-10-02 | Standard Telephones Cables Ltd | Antenna construction |
-
1943
- 1943-12-30 FR FR987451D patent/FR987451A/en not_active Expired
-
1947
- 1947-07-11 US US760222A patent/US2498655A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2498655A (en) | 1950-02-28 |
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