BR7404223D0 - IMPROVED ANTENNA SYSTEM TO RADIATE WAVE ENERGY IN A DESIRED IRRADIATION STANDARD - Google Patents
IMPROVED ANTENNA SYSTEM TO RADIATE WAVE ENERGY IN A DESIRED IRRADIATION STANDARDInfo
- Publication number
- BR7404223D0 BR7404223D0 BR4223/74A BR422374A BR7404223D0 BR 7404223 D0 BR7404223 D0 BR 7404223D0 BR 4223/74 A BR4223/74 A BR 4223/74A BR 422374 A BR422374 A BR 422374A BR 7404223 D0 BR7404223 D0 BR 7404223D0
- Authority
- BR
- Brazil
- Prior art keywords
- antenna system
- wave energy
- improved antenna
- desired irradiation
- irradiation standard
- 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
- H01Q3/26—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
-
- 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
- H01Q19/10—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 reflecting surfaces
-
- 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
- H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US364182A US3903524A (en) | 1973-05-25 | 1973-05-25 | Antenna system using variable phase pattern synthesis |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7404223D0 true BR7404223D0 (en) | 1975-01-21 |
Family
ID=23433406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR4223/74A BR7404223D0 (en) | 1973-05-25 | 1974-05-23 | IMPROVED ANTENNA SYSTEM TO RADIATE WAVE ENERGY IN A DESIRED IRRADIATION STANDARD |
Country Status (14)
Country | Link |
---|---|
US (1) | US3903524A (en) |
JP (1) | JPS5542526B2 (en) |
BR (1) | BR7404223D0 (en) |
CA (1) | CA1021055A (en) |
CS (1) | CS229603B2 (en) |
DD (1) | DD113134A5 (en) |
DE (1) | DE2423899C2 (en) |
FR (1) | FR2231126B1 (en) |
GB (1) | GB1412569A (en) |
IL (1) | IL44560A (en) |
IT (1) | IT1010297B (en) |
NL (1) | NL177869C (en) |
PL (1) | PL94571B1 (en) |
SE (1) | SE389770B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4270129A (en) * | 1979-01-30 | 1981-05-26 | Sperry Corporation | Apparatus and method for realizing preselected free space antenna patterns |
DE3102110A1 (en) * | 1981-01-23 | 1982-08-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | PHASE CONTROLLED GROUP ANTENNA |
GB2111310B (en) * | 1981-11-27 | 1985-07-03 | Marconi Co Ltd | Antenna array |
GB2212984B (en) * | 1987-11-30 | 1991-09-04 | Plessey Telecomm | Distributed antenna system |
US5546095A (en) * | 1994-06-02 | 1996-08-13 | Lopez; Alfred R. | Non-imaging glideslope antenna systems |
US6512934B2 (en) | 1997-06-02 | 2003-01-28 | Ntt Mobile Communications Network, Inc. | Adaptive array antenna |
JP3332329B2 (en) * | 1997-06-02 | 2002-10-07 | 株式会社エヌ・ティ・ティ・ドコモ | Adaptive array antenna device |
GB0005979D0 (en) * | 2000-03-14 | 2001-03-07 | Bae Sys Defence Sys Ltd | An active phased array antenna assembly |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2730717A (en) * | 1951-04-18 | 1956-01-10 | Katchky Max | Directional wave antenna for marine radar use |
US2878472A (en) * | 1954-12-14 | 1959-03-17 | Hughes Aircraft Co | High efficiency broadband antenna array |
US3182325A (en) * | 1960-09-21 | 1965-05-04 | Gen Electric | Array pattern modification |
US2981944A (en) * | 1960-12-06 | 1961-04-25 | Gen Precision Inc | Microwave navigation system |
US3259902A (en) * | 1961-10-04 | 1966-07-05 | Dorne And Margolin Inc | Antenna with electrically variable reflector |
US3258774A (en) * | 1963-12-30 | 1966-06-28 | Gen Electric | Series-fed phased array |
US3526898A (en) * | 1967-04-03 | 1970-09-01 | Raytheon Co | Antenna with translational and rotational compensation |
US3604010A (en) * | 1969-01-30 | 1971-09-07 | Singer General Precision | Antenna array system for generating shaped beams for guidance during aircraft landing |
JPS524812Y2 (en) * | 1971-01-26 | 1977-02-01 |
-
1973
- 1973-05-25 US US364182A patent/US3903524A/en not_active Expired - Lifetime
-
1974
- 1974-02-21 GB GB784674A patent/GB1412569A/en not_active Expired
- 1974-02-21 CA CA193,191A patent/CA1021055A/en not_active Expired
- 1974-03-06 SE SE7402998A patent/SE389770B/en not_active IP Right Cessation
- 1974-03-29 FR FR7411385A patent/FR2231126B1/fr not_active Expired
- 1974-04-03 IL IL44560A patent/IL44560A/en unknown
- 1974-04-30 IT IT22143/74A patent/IT1010297B/en active
- 1974-05-13 JP JP5316774A patent/JPS5542526B2/ja not_active Expired
- 1974-05-16 DE DE2423899A patent/DE2423899C2/en not_active Expired
- 1974-05-21 PL PL1974171299A patent/PL94571B1/en unknown
- 1974-05-22 CS CS743662A patent/CS229603B2/en unknown
- 1974-05-23 BR BR4223/74A patent/BR7404223D0/en unknown
- 1974-05-24 NL NLAANVRAGE7407043,A patent/NL177869C/en not_active IP Right Cessation
- 1974-05-27 DD DD178778A patent/DD113134A5/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5049965A (en) | 1975-05-06 |
DD113134A5 (en) | 1975-05-12 |
FR2231126B1 (en) | 1980-05-30 |
JPS5542526B2 (en) | 1980-10-31 |
FR2231126A1 (en) | 1974-12-20 |
IL44560A0 (en) | 1974-06-30 |
SE389770B (en) | 1976-11-15 |
NL7407043A (en) | 1974-11-27 |
IT1010297B (en) | 1977-01-10 |
PL94571B1 (en) | 1977-08-31 |
AU6580574A (en) | 1975-08-21 |
US3903524A (en) | 1975-09-02 |
CA1021055A (en) | 1977-11-15 |
GB1412569A (en) | 1975-11-05 |
CS229603B2 (en) | 1984-06-18 |
NL177869C (en) | 1985-12-02 |
DE2423899C2 (en) | 1986-10-09 |
DE2423899A1 (en) | 1974-12-12 |
IL44560A (en) | 1976-09-30 |
NL177869B (en) | 1985-07-01 |
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