IT1059434B - Perfezionamento nelle antenne direttive - Google Patents

Perfezionamento nelle antenne direttive

Info

Publication number
IT1059434B
IT1059434B IT49259/76A IT4925976A IT1059434B IT 1059434 B IT1059434 B IT 1059434B IT 49259/76 A IT49259/76 A IT 49259/76A IT 4925976 A IT4925976 A IT 4925976A IT 1059434 B IT1059434 B IT 1059434B
Authority
IT
Italy
Prior art keywords
improvement
directive antennas
directive
antennas
Prior art date
Application number
IT49259/76A
Other languages
English (en)
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Application granted granted Critical
Publication of IT1059434B publication Critical patent/IT1059434B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0031—Parallel-plate fed arrays; Lens-fed arrays
IT49259/76A 1975-05-01 1976-04-29 Perfezionamento nelle antenne direttive IT1059434B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/573,697 US3964069A (en) 1975-05-01 1975-05-01 Constant beamwidth antenna

Publications (1)

Publication Number Publication Date
IT1059434B true IT1059434B (it) 1982-05-31

Family

ID=24293038

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49259/76A IT1059434B (it) 1975-05-01 1976-04-29 Perfezionamento nelle antenne direttive

Country Status (7)

Country Link
US (1) US3964069A (it)
JP (1) JPS51136268A (it)
CA (1) CA1056943A (it)
DE (1) DE2619397C2 (it)
FR (1) FR2309993A1 (it)
GB (1) GB1515787A (it)
IT (1) IT1059434B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU495684B2 (en) * 1975-11-28 1978-06-01 Commonwealth Scientific And Industrial Research Organization Geodesic lens scanning beam aerials
US4051476A (en) * 1976-04-01 1977-09-27 Raytheon Company Parabolic horn antenna with microstrip feed
US4085404A (en) * 1976-12-20 1978-04-18 The Bendix Corporation Phasing optimization at the feed probes of a parallel plate lens antenna
US4086597A (en) * 1976-12-20 1978-04-25 The Bendix Corporation Continuous line scanning technique and means for beam port antennas
US4127857A (en) * 1977-05-31 1978-11-28 Raytheon Company Radio frequency antenna with combined lens and polarizer
AU514706B2 (en) * 1977-09-23 1981-02-19 Commonwealth Scientific And Industrial Research Organization Electromagnetic lens for rf aerials
US4187507A (en) * 1978-10-13 1980-02-05 Sperry Rand Corporation Multiple beam antenna array
US4348678A (en) 1978-11-20 1982-09-07 Raytheon Company Antenna with a curved lens and feed probes spaced on a curved surface
CA1131351A (en) * 1978-11-20 1982-09-07 Raytheon Company Radio frequency energy antenna
US4641144A (en) * 1984-12-31 1987-02-03 Raytheon Company Broad beamwidth lens feed
US4743911A (en) * 1986-03-03 1988-05-10 Westinghouse Electric Corp. Constant beamwidth antenna
US4730193A (en) * 1986-03-06 1988-03-08 The Singer Company Microstrip antenna bulk load
US5675345A (en) * 1995-11-21 1997-10-07 Raytheon Company Compact antenna with folded substrate
US6031501A (en) * 1997-03-19 2000-02-29 Georgia Tech Research Corporation Low cost compact electronically scanned millimeter wave lens and method
JP4089043B2 (ja) * 1998-10-20 2008-05-21 日立化成工業株式会社 ビームスキャン用平面アンテナ
RU2744567C1 (ru) * 2020-07-16 2021-03-11 Акционерное общество "Всероссийский научно-исследовательский институт "Градиент" Частотно-независимая активная многолучевая антенная решетка

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1331664A (fr) * 1961-07-03 1963-07-05 Marconi Wireless Telegraph Co Perfectionnements aux antennes directives
US3314071A (en) * 1965-07-12 1967-04-11 Gen Dynamics Corp Device for control of antenna illumination tapers comprising a tapered surface of rf absorption material
US3761936A (en) * 1971-05-11 1973-09-25 Raytheon Co Multi-beam array antenna

Also Published As

Publication number Publication date
DE2619397A1 (de) 1976-11-11
US3964069A (en) 1976-06-15
GB1515787A (en) 1978-06-28
FR2309993A1 (fr) 1976-11-26
FR2309993B1 (it) 1981-08-07
JPS5542761B2 (it) 1980-11-01
DE2619397C2 (de) 1983-01-05
JPS51136268A (en) 1976-11-25
CA1056943A (en) 1979-06-19

Similar Documents

Publication Publication Date Title
ZA775884B (en) Directive antenna
IT994388B (it) Perfezionamento nelle antenne per microonde
SE416432B (sv) Antennsystem
BE856323A (fr) Antenne omnidirectionnelle multiple
AU1294476A (en) Antenna
JPS51112250A (en) Antenna element
IT977515B (it) Perfezionamento nelle antenne per microonde
IT974307B (it) Perfezionamento nelle antenne per microonde
IT1059434B (it) Perfezionamento nelle antenne direttive
JPS51139235A (en) Antenna
GB1555307A (en) Dipole radiotors
DK122877A (da) Antenne
IT1065040B (it) Antenna piatta per radar
JPS5282056A (en) Small waveelength efficiency antenna
GB1555756A (en) Aerials
SE7701419L (sv) Antenn
IT1086697B (it) Perfezionamento nelle antenne per apparecchiature iff
IT966460B (it) Perfezionamento nelle antenne onnidirezionali
FR2296946A1 (fr) Element d'antenne
IT1127430B (it) Perfezionamento nelle antenne direzionali
NL7514048A (nl) Antenne.
SE386316B (sv) Antenn
NL7509882A (nl) Antenne.
BE846130A (fr) Installation d'antenne
IT1055055B (it) Antenna piatta per radar