NO895157L - DIRECTIVE RADIO ANTENNA WITH ADAPTIVE CONTROLLED SUB-REFLECTOR. - Google Patents
DIRECTIVE RADIO ANTENNA WITH ADAPTIVE CONTROLLED SUB-REFLECTOR.Info
- Publication number
- NO895157L NO895157L NO89895157A NO895157A NO895157L NO 895157 L NO895157 L NO 895157L NO 89895157 A NO89895157 A NO 89895157A NO 895157 A NO895157 A NO 895157A NO 895157 L NO895157 L NO 895157L
- Authority
- NO
- Norway
- Prior art keywords
- reflector
- radio antenna
- controlled sub
- adaptive controlled
- directive radio
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883843144 DE3843144A1 (en) | 1988-12-22 | 1988-12-22 | DIRECTIONAL RADIO ANTENNA WITH ADAPTIVALLY CONTROLLED SUBREFECTOR |
Publications (2)
Publication Number | Publication Date |
---|---|
NO895157D0 NO895157D0 (en) | 1989-12-20 |
NO895157L true NO895157L (en) | 1990-06-25 |
Family
ID=6369783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO89895157A NO895157L (en) | 1988-12-22 | 1989-12-20 | DIRECTIVE RADIO ANTENNA WITH ADAPTIVE CONTROLLED SUB-REFLECTOR. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0374722A1 (en) |
DE (1) | DE3843144A1 (en) |
FI (1) | FI896177A0 (en) |
NO (1) | NO895157L (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19805625A1 (en) * | 1998-02-12 | 1999-08-19 | Sucker | Detection of electromagnetic radiation sources within the C or Ku bands for telephone communication satellites |
GB2553302A (en) * | 2016-08-30 | 2018-03-07 | Avanti Communications Group Plc | Satellite equipment |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE705372C (en) * | 1934-07-06 | 1941-04-25 | Telefunken Gmbh | Maximum direction finder |
US2531454A (en) * | 1942-02-04 | 1950-11-28 | Sperry Corp | Directive antenna structure |
US3882503A (en) * | 1960-08-17 | 1975-05-06 | Gte Sylvania Inc | Wave detection apparatus |
US4030099A (en) * | 1974-12-12 | 1977-06-14 | Westinghouse Electric Corporation | Digital antenna control apparatus for a communications terminal |
US4349840A (en) * | 1980-11-25 | 1982-09-14 | Rca Corporation | Apparatus for automatically steering an electrically steerable television antenna |
-
1988
- 1988-12-22 DE DE19883843144 patent/DE3843144A1/en not_active Withdrawn
-
1989
- 1989-12-14 EP EP89123081A patent/EP0374722A1/en not_active Withdrawn
- 1989-12-20 NO NO89895157A patent/NO895157L/en unknown
- 1989-12-21 FI FI896177A patent/FI896177A0/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0374722A1 (en) | 1990-06-27 |
FI896177A0 (en) | 1989-12-21 |
NO895157D0 (en) | 1989-12-20 |
DE3843144A1 (en) | 1990-06-28 |
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