BR7404223D0 - Aperfeicoado sistema de antena para irradiar energia de onda num desejado padrao de irradiacao - Google Patents

Aperfeicoado sistema de antena para irradiar energia de onda num desejado padrao de irradiacao

Info

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
Application number
BR4223/74A
Other languages
English (en)
Portuguese (pt)
Inventor
R Giannini
Original Assignee
Hazeltine Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hazeltine Corp filed Critical Hazeltine Corp
Publication of BR7404223D0 publication Critical patent/BR7404223D0/pt

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
BR4223/74A 1973-05-25 1974-05-23 Aperfeicoado sistema de antena para irradiar energia de onda num desejado padrao de irradiacao BR7404223D0 (pt)

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 (pt) 1975-01-21

Family

ID=23433406

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4223/74A BR7404223D0 (pt) 1973-05-25 1974-05-23 Aperfeicoado sistema de antena para irradiar energia de onda num desejado padrao de irradiacao

Country Status (14)

Country Link
US (1) US3903524A (de)
JP (1) JPS5542526B2 (de)
BR (1) BR7404223D0 (de)
CA (1) CA1021055A (de)
CS (1) CS229603B2 (de)
DD (1) DD113134A5 (de)
DE (1) DE2423899C2 (de)
FR (1) FR2231126B1 (de)
GB (1) GB1412569A (de)
IL (1) IL44560A (de)
IT (1) IT1010297B (de)
NL (1) NL177869C (de)
PL (1) PL94571B1 (de)
SE (1) SE389770B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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 (de) * 1981-01-23 1982-08-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Phasengesteuerte gruppenantenne
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 (ja) * 1997-06-02 2002-10-07 株式会社エヌ・ティ・ティ・ドコモ アダプティブアレーアンテナ装置
GB0005979D0 (en) * 2000-03-14 2001-03-07 Bae Sys Defence Sys Ltd An active phased array antenna assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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 (de) * 1971-01-26 1977-02-01

Also Published As

Publication number Publication date
DE2423899C2 (de) 1986-10-09
FR2231126B1 (de) 1980-05-30
DE2423899A1 (de) 1974-12-12
NL177869B (nl) 1985-07-01
NL7407043A (de) 1974-11-27
CS229603B2 (en) 1984-06-18
IL44560A (en) 1976-09-30
DD113134A5 (de) 1975-05-12
JPS5542526B2 (de) 1980-10-31
IT1010297B (it) 1977-01-10
JPS5049965A (de) 1975-05-06
SE389770B (sv) 1976-11-15
AU6580574A (en) 1975-08-21
PL94571B1 (pl) 1977-08-31
NL177869C (nl) 1985-12-02
GB1412569A (en) 1975-11-05
FR2231126A1 (de) 1974-12-20
IL44560A0 (en) 1974-06-30
CA1021055A (en) 1977-11-15
US3903524A (en) 1975-09-02

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