FR1605256A - - Google Patents

Info

Publication number
FR1605256A
FR1605256A FR182875A FR182875A FR1605256A FR 1605256 A FR1605256 A FR 1605256A FR 182875 A FR182875 A FR 182875A FR 182875 A FR182875 A FR 182875A FR 1605256 A FR1605256 A FR 1605256A
Authority
FR
France
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
FR182875A
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1605256A publication Critical patent/FR1605256A/fr
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
    • H01Q19/192—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 with dual offset reflectors
FR182875A 1968-01-02 1968-12-31 Expired FR1605256A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27468 1968-01-02

Publications (1)

Publication Number Publication Date
FR1605256A true FR1605256A (enrdf_load_stackoverflow) 1973-11-02

Family

ID=9701474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR182875A Expired FR1605256A (enrdf_load_stackoverflow) 1968-01-02 1968-12-31

Country Status (5)

Country Link
US (1) US3792480A (enrdf_load_stackoverflow)
DE (1) DE1817585A1 (enrdf_load_stackoverflow)
FR (1) FR1605256A (enrdf_load_stackoverflow)
GB (1) GB1331221A (enrdf_load_stackoverflow)
NL (1) NL6818798A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3209513A1 (de) * 1982-03-16 1984-02-09 ANT Nachrichtentechnik GmbH, 7150 Backnang Exzentrische parabolantenne mit geringer kreuzpolarisation

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995275A (en) * 1973-07-12 1976-11-30 Mitsubishi Denki Kabushiki Kaisha Reflector antenna having main and subreflector of diverse curvature
US3914768A (en) * 1974-01-31 1975-10-21 Bell Telephone Labor Inc Multiple-beam Cassegrainian antenna
US3949404A (en) * 1974-12-19 1976-04-06 Nasa Highly efficient antenna system using a corrugated horn and scanning hyperbolic reflector
US3953858A (en) * 1975-05-30 1976-04-27 Bell Telephone Laboratories, Incorporated Multiple beam microwave apparatus
NL7509882A (nl) * 1975-08-20 1977-02-22 Vaclav Josef Vokurka Antenne.
NL7608162A (nl) * 1976-07-22 1978-01-24 Vaclav Josef Vokurka Antenne in het bijzonder voor meet- doeleinden.
US4145695A (en) * 1977-03-01 1979-03-20 Bell Telephone Laboratories, Incorporated Launcher reflectors for correcting for astigmatism in off-axis fed reflector antennas
US4272769A (en) * 1979-08-27 1981-06-09 Young Frederick A Microwave antenna with parabolic main reflector
US4343004A (en) * 1980-11-24 1982-08-03 Bell Telephone Laboratories, Incorporated Broadband astigmatic feed arrangement for an antenna
US4339757A (en) * 1980-11-24 1982-07-13 Bell Telephone Laboratories, Incorporated Broadband astigmatic feed arrangement for an antenna
US4407001A (en) * 1981-10-02 1983-09-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Focal axis resolver for offset reflector antennas
US4535338A (en) * 1982-05-10 1985-08-13 At&T Bell Laboratories Multibeam antenna arrangement
DE3224257A1 (de) * 1982-06-28 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Mikrowellen-richtfunkantenne
US4491848A (en) * 1982-08-30 1985-01-01 At&T Bell Laboratories Substantially frequency-independent aberration correcting antenna arrangement
US4482898A (en) * 1982-10-12 1984-11-13 At&T Bell Laboratories Antenna feed arrangement for correcting for astigmatism
JPS60178709A (ja) * 1984-02-24 1985-09-12 Nippon Telegr & Teleph Corp <Ntt> オフセツト複反射鏡アンテナ
CA2321745A1 (en) 1998-03-03 1999-09-10 Sensotech Ltd. Ultrasonic transducer
US6225961B1 (en) 1999-07-27 2001-05-01 Prc Inc. Beam waveguide antenna with independently steerable antenna beams and method of compensating for planetary aberration in antenna beam tracking of spacecraft

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1368820A (fr) * 1963-06-14 1964-08-07 Csf Aérien de hautes performances

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3209513A1 (de) * 1982-03-16 1984-02-09 ANT Nachrichtentechnik GmbH, 7150 Backnang Exzentrische parabolantenne mit geringer kreuzpolarisation

Also Published As

Publication number Publication date
DE1817585A1 (de) 1974-08-01
NL6818798A (enrdf_load_stackoverflow) 1973-08-27
US3792480A (en) 1974-02-12
GB1331221A (en) 1973-09-26

Similar Documents

Publication Publication Date Title
AU1946070A (enrdf_load_stackoverflow)
AU428130B2 (enrdf_load_stackoverflow)
AU2374870A (enrdf_load_stackoverflow)
AU5184069A (enrdf_load_stackoverflow)
AU6168869A (enrdf_load_stackoverflow)
AU6171569A (enrdf_load_stackoverflow)
AU429879B2 (enrdf_load_stackoverflow)
AU416157B2 (enrdf_load_stackoverflow)
AU2581067A (enrdf_load_stackoverflow)
AU4811568A (enrdf_load_stackoverflow)
AU421558B1 (enrdf_load_stackoverflow)
AU4744468A (enrdf_load_stackoverflow)
AU3789668A (enrdf_load_stackoverflow)
AU3224368A (enrdf_load_stackoverflow)
AU2580267A (enrdf_load_stackoverflow)
AU479393A (enrdf_load_stackoverflow)
BE642636A (enrdf_load_stackoverflow)
AU4558658A (enrdf_load_stackoverflow)
AU463027A (enrdf_load_stackoverflow)
AU4464266A (enrdf_load_stackoverflow)
NL6818798A (enrdf_load_stackoverflow)
AU479894A (enrdf_load_stackoverflow)
AU4270368A (enrdf_load_stackoverflow)
AU4224469A (enrdf_load_stackoverflow)
AU3083868A (enrdf_load_stackoverflow)