IT9022331A0 - - Google Patents
Info
- Publication number
- IT9022331A0 IT9022331A0 IT22331A IT2233190A IT9022331A0 IT 9022331 A0 IT9022331 A0 IT 9022331A0 IT 22331 A IT22331 A IT 22331A IT 2233190 A IT2233190 A IT 2233190A IT 9022331 A0 IT9022331 A0 IT 9022331A0
- Authority
- IT
- Italy
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
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
- H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3941199A DE3941199B3 (de) | 1989-12-14 | 1989-12-14 | Richtantennenanordnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT9022331A0 true IT9022331A0 (de) | 1990-12-11 |
| IT2233190A1 IT2233190A1 (it) | 1991-06-15 |
Family
ID=44993291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT022331A IT2233190A1 (it) | 1989-12-14 | 1990-12-11 | Disposizione di antenne direzionali |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3941199B3 (de) |
| GB (2) | GB9023790D0 (de) |
| IT (1) | IT2233190A1 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1273619B (de) * | 1966-05-28 | 1968-07-25 | Telefunken Patent | Antennensystem fuer eine Sekundaerradaranlage |
| US4320535A (en) * | 1979-10-03 | 1982-03-16 | Bell Telephone Laboratories, Incorporated | Adaptive interference suppression arrangement |
| DE3227259C2 (de) * | 1982-07-21 | 1986-04-24 | Siemens AG, 1000 Berlin und 8000 München | Richtfunkstation |
-
1989
- 1989-12-14 DE DE3941199A patent/DE3941199B3/de not_active Expired - Lifetime
-
1990
- 1990-11-01 GB GBGB9023790.0A patent/GB9023790D0/en not_active Ceased
- 1990-12-11 IT IT022331A patent/IT2233190A1/it unknown
- 1990-12-12 GB GBGB9026942.4A patent/GB9026942D0/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| IT2233190A1 (it) | 1991-06-15 |
| GB9026942D0 (en) | 2011-11-09 |
| GB9023790D0 (en) | 2011-11-09 |
| DE3941199B3 (de) | 2013-12-05 |