NL178378B - REFLECTOR ANTENNA WITH ELLIPTICAL PRIMARY RADIANT. - Google Patents

REFLECTOR ANTENNA WITH ELLIPTICAL PRIMARY RADIANT.

Info

Publication number
NL178378B
NL178378B NLAANVRAGE7305576,A NL7305576A NL178378B NL 178378 B NL178378 B NL 178378B NL 7305576 A NL7305576 A NL 7305576A NL 178378 B NL178378 B NL 178378B
Authority
NL
Netherlands
Prior art keywords
reflector antenna
primary radiant
elliptical primary
elliptical
radiant
Prior art date
Application number
NLAANVRAGE7305576,A
Other languages
Dutch (nl)
Other versions
NL178378C (en
NL7305576A (en
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NL7305576A publication Critical patent/NL7305576A/xx
Publication of NL178378B publication Critical patent/NL178378B/en
Application granted granted Critical
Publication of NL178378C publication Critical patent/NL178378C/en

Links

Classifications

    • 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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • 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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H01Q19/195—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
NLAANVRAGE7305576,A 1972-04-24 1973-04-19 REFLECTOR ANTENNA WITH ELLIPTICAL PRIMARY RADIANT. NL178378C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE05357/72A SE356641B (en) 1972-04-24 1972-04-24

Publications (3)

Publication Number Publication Date
NL7305576A NL7305576A (en) 1973-10-26
NL178378B true NL178378B (en) 1985-10-01
NL178378C NL178378C (en) 1986-03-03

Family

ID=20266295

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7305576,A NL178378C (en) 1972-04-24 1973-04-19 REFLECTOR ANTENNA WITH ELLIPTICAL PRIMARY RADIANT.

Country Status (6)

Country Link
US (1) US3820116A (en)
CH (1) CH545542A (en)
FR (1) FR2181959B1 (en)
GB (1) GB1374567A (en)
NL (1) NL178378C (en)
SE (1) SE356641B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450509A1 (en) * 1979-03-02 1980-09-26 Thomson Csf POLARIZER DEVICE FOR MICROWAVE ANTENNA
FR2451114A1 (en) * 1979-03-09 1980-10-03 Thomson Csf PARALLEL PLAN ANTENNA WITH POLARIZATION ROTATION
US4343000A (en) * 1981-04-06 1982-08-03 The United States Of America As Represented By The Secretary Of The Navy Aircraft self-protection radar
US4977407A (en) * 1981-07-23 1990-12-11 Crane Patrick E Optical collimator
GB2110003B (en) * 1981-11-19 1985-03-13 Marconi Co Ltd Antenna assemblies
US4574287A (en) * 1983-03-04 1986-03-04 The United States Of America As Represented By The Secretary Of The Navy Fixed aperture, rotating feed, beam scanning antenna system
FR2557737B1 (en) * 1983-12-30 1987-12-18 Thomson Csf ANTENNA WITH TWO CROSS-CYLINDRO-PARABOLIC REFLECTORS AND MANUFACTURING METHOD THEREOF
US5455589A (en) * 1994-01-07 1995-10-03 Millitech Corporation Compact microwave and millimeter wave radar
US5883602A (en) * 1996-06-05 1999-03-16 Apti, Inc. Wideband flat short foci lens antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907033A (en) * 1956-10-19 1959-09-29 Gabriel Co Wave-guide antenna
FR1264818A (en) * 1959-08-10 1961-06-23 Gen Electric Co Ltd Improvements to passive antennas
FR1307590A (en) * 1960-12-27 1962-10-26 Western Electric Co Antenna device
FR1508062A (en) * 1965-04-12 1968-01-05 Csf Aplanatic antennas
GB1181060A (en) * 1966-01-31 1970-02-11 Mini Of Technology Improvements in or relating to Horn Aerials
GB1179392A (en) * 1966-01-31 1970-01-28 Mini Of Technology Improvements in or relating to Horn Aerials

Also Published As

Publication number Publication date
NL178378C (en) 1986-03-03
FR2181959A1 (en) 1973-12-07
SE356641B (en) 1973-05-28
NL7305576A (en) 1973-10-26
US3820116A (en) 1974-06-25
FR2181959B1 (en) 1977-02-11
GB1374567A (en) 1974-11-20
CH545542A (en) 1974-01-31

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent