FR1307590A - Antenna device - Google Patents

Antenna device

Info

Publication number
FR1307590A
FR1307590A FR881044A FR881044A FR1307590A FR 1307590 A FR1307590 A FR 1307590A FR 881044 A FR881044 A FR 881044A FR 881044 A FR881044 A FR 881044A FR 1307590 A FR1307590 A FR 1307590A
Authority
FR
France
Prior art keywords
antenna device
antenna
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR881044A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US78364A external-priority patent/US3195137A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to FR881044A priority Critical patent/FR1307590A/en
Application granted granted Critical
Publication of FR1307590A publication Critical patent/FR1307590A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • H01Q19/02—Details
    • H01Q19/021—Means for reducing undesirable effects
    • H01Q19/027—Means for reducing undesirable effects for compensating or reducing aperture blockage
    • 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
    • H01Q19/191—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 the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
FR881044A 1960-12-27 1961-12-05 Antenna device Expired FR1307590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR881044A FR1307590A (en) 1960-12-27 1961-12-05 Antenna device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78364A US3195137A (en) 1960-12-27 1960-12-27 Cassegrainian antenna with aperture blocking correction
FR881044A FR1307590A (en) 1960-12-27 1961-12-05 Antenna device

Publications (1)

Publication Number Publication Date
FR1307590A true FR1307590A (en) 1962-10-26

Family

ID=26193366

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881044A Expired FR1307590A (en) 1960-12-27 1961-12-05 Antenna device

Country Status (1)

Country Link
FR (1) FR1307590A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181959A1 (en) * 1972-04-24 1973-12-07 Ericsson Telefon Ab L M
FR2540296A1 (en) * 1983-01-31 1984-08-03 Thomson Csf SPATIAL CIRCULAR POLARIZING ELECTROMAGNETIC WAVE FILTER AND CASSEGRAIN ANTENNA COMPRISING SUCH A FILTER

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181959A1 (en) * 1972-04-24 1973-12-07 Ericsson Telefon Ab L M
FR2540296A1 (en) * 1983-01-31 1984-08-03 Thomson Csf SPATIAL CIRCULAR POLARIZING ELECTROMAGNETIC WAVE FILTER AND CASSEGRAIN ANTENNA COMPRISING SUCH A FILTER
EP0115983A2 (en) * 1983-01-31 1984-08-15 Thomson-Csf Spatial filter for circularly polarized microwaves and Cassegrain antenna using such a filter
EP0115983A3 (en) * 1983-01-31 1984-12-27 Thomson-Csf Spatial filter for circularly polarized microwaves and cassegrain antenna using such a filter
US4652891A (en) * 1983-01-31 1987-03-24 Thomson-Csf Electromagnetic wave spatial filter with circular polarization

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