IT1010297B - Sistema di antenna impiegante una sintesi di profili a fase varia bile - Google Patents

Sistema di antenna impiegante una sintesi di profili a fase varia bile

Info

Publication number
IT1010297B
IT1010297B IT22143/74A IT2214374A IT1010297B IT 1010297 B IT1010297 B IT 1010297B IT 22143/74 A IT22143/74 A IT 22143/74A IT 2214374 A IT2214374 A IT 2214374A IT 1010297 B IT1010297 B IT 1010297B
Authority
IT
Italy
Prior art keywords
synthesis
antenna system
system employing
variable phase
phase profiles
Prior art date
Application number
IT22143/74A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1010297B publication Critical patent/IT1010297B/it

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
IT22143/74A 1973-05-25 1974-04-30 Sistema di antenna impiegante una sintesi di profili a fase varia bile IT1010297B (it)

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
IT1010297B true IT1010297B (it) 1977-01-10

Family

ID=23433406

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22143/74A IT1010297B (it) 1973-05-25 1974-04-30 Sistema di antenna impiegante una sintesi di profili a fase varia bile

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
FR2231126B1 (de) 1980-05-30
IL44560A0 (en) 1974-06-30
IL44560A (en) 1976-09-30
GB1412569A (en) 1975-11-05
JPS5542526B2 (de) 1980-10-31
DE2423899A1 (de) 1974-12-12
DD113134A5 (de) 1975-05-12
SE389770B (sv) 1976-11-15
NL177869C (nl) 1985-12-02
FR2231126A1 (de) 1974-12-20
CA1021055A (en) 1977-11-15
JPS5049965A (de) 1975-05-06
NL7407043A (de) 1974-11-27
AU6580574A (en) 1975-08-21
CS229603B2 (en) 1984-06-18
DE2423899C2 (de) 1986-10-09
PL94571B1 (pl) 1977-08-31
BR7404223D0 (pt) 1975-01-21
US3903524A (en) 1975-09-02
NL177869B (nl) 1985-07-01

Similar Documents

Publication Publication Date Title
IT1021860B (it) Separatore per la rimozione di una fase liquida dispersa da una fase liquida continua
SE389769B (sv) Antennsystem
IT1010297B (it) Sistema di antenna impiegante una sintesi di profili a fase varia bile
NL7415768A (nl) Oscillator met variabele frequentie.
IT1015189B (it) Radioricevitore a modulazione di frequenza modulazione d ampiezza
SE394542B (sv) Antennsystem
IT1019780B (it) Correlatore di fase
CA987744A (en) Phase locked loop with memory
BE816987A (fr) Cheville expansible
IT1022787B (it) Discriminatore di fase
AU470647B2 (en) Phase demodular
DK141859C (da) Kobling til frekvensdifferentiel fasemodulation
IT1006190B (it) Comparatore di frequenza e di fase
IT1025233B (it) Disposizione circuitale per regolare la fase di un segnale di temporizzazione
IT1025230B (it) Disposizione circlitale per regola re la fase di un segnale di temporizzazione
IT1002597B (it) Elemento strutturale di calcestruz zo rinforzato
BE823551A (fr) Modulateur de phase
NO142320C (no) Fasesammenlignende radionavigasjonssystem
IT1014932B (it) Disposizione circuitale per regola re la fase di un segnale di tem porizzazione
IT1014621B (it) Filtro ad agganciamento di frequenza
IT1021273B (it) Sistema di segnalazione a fre quenza multipla
IT1039547B (it) Modulatore di fase ad iperfrequenza
SE397006B (sv) Mottagare for hopfrekvensradar
AU6824674A (en) Building tyre by expansion from cylindrical to turoidal form
IT1004372B (it) Discriminatore di fase