FR1569747A - - Google Patents

Info

Publication number
FR1569747A
FR1569747A FR143418A FR1569747DA FR1569747A FR 1569747 A FR1569747 A FR 1569747A FR 143418 A FR143418 A FR 143418A FR 1569747D A FR1569747D A FR 1569747DA FR 1569747 A FR1569747 A FR 1569747A
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
FR143418A
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 FR1569747A publication Critical patent/FR1569747A/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
    • H01Q19/191—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
FR143418A 1968-03-12 1968-03-12 Expired FR1569747A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR143418 1968-03-12

Publications (1)

Publication Number Publication Date
FR1569747A true FR1569747A (sv) 1969-06-06

Family

ID=8647340

Family Applications (1)

Application Number Title Priority Date Filing Date
FR143418A Expired FR1569747A (sv) 1968-03-12 1968-03-12

Country Status (3)

Country Link
US (1) US3641577A (sv)
DE (1) DE1912565A1 (sv)
FR (1) FR1569747A (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2073432A1 (sv) * 1969-11-28 1971-10-01 Nippon Telegraph & Telephone

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062018A (en) * 1973-12-21 1977-12-06 Kokusai Denshin Denwa Kabushiki Kaisha Scanning antenna with moveable beam waveguide feed and defocusing adjustment
FR2265190B1 (sv) * 1974-03-19 1978-01-06 Thomson Csf
US3939480A (en) * 1974-09-17 1976-02-17 The United States Of America As Represented By The Secretary Of The Navy Level and cross-level stabilization technique for search radar antennas
DE2628713C2 (de) * 1976-06-25 1987-02-05 Siemens AG, 1000 Berlin und 8000 München Rotationssymmetrische Zweispiegelantenne
US4274098A (en) * 1980-03-07 1981-06-16 The United States Of America As Represented By The Secretary Of The Air Force Loss-free scanning antenna
US4535338A (en) * 1982-05-10 1985-08-13 At&T Bell Laboratories Multibeam antenna arrangement
US5247843A (en) * 1990-09-19 1993-09-28 Scientific-Atlanta, Inc. Apparatus and methods for simulating electromagnetic environments
US5459475A (en) * 1993-12-22 1995-10-17 Center For Innovative Technology Wide scanning spherical antenna
WO2006096979A1 (en) * 2005-03-18 2006-09-21 The University Of British Columbia Reflector antenna

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609505A (en) * 1944-06-17 1952-09-02 Pippard Alfred Brian Aerial system
US2677056A (en) * 1950-07-28 1954-04-27 Elliott Brothers London Ltd Aerial system
US2976533A (en) * 1954-11-12 1961-03-21 Zenith Radio Corp Radio astronomy antenna having spherical reflector formed integral with earth's surface
US2986734A (en) * 1958-07-02 1961-05-30 Mini Of Supply Electromagnetic wave lens and mirror systems
US2975419A (en) * 1959-10-13 1961-03-14 Newell H Brown Microwave antenna reflector system for scanning by displacement of focal image
NL272152A (sv) * 1960-12-27
FR1368820A (fr) * 1963-06-14 1964-08-07 Csf Aérien de hautes performances
US3241147A (en) * 1963-12-16 1966-03-15 Bell Telephone Labor Inc Antenna utilizing intermediate cuspate reflector to couple energy from feed to main reflector
US3383692A (en) * 1965-01-07 1968-05-14 Whittaker Corp Main dish with adjustable subreflector
US3534373A (en) * 1968-03-22 1970-10-13 North American Rockwell Spherical reflector antenna with waveguide line feed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2073432A1 (sv) * 1969-11-28 1971-10-01 Nippon Telegraph & Telephone

Also Published As

Publication number Publication date
DE1912565A1 (de) 1970-10-01
US3641577A (en) 1972-02-08

Similar Documents

Publication Publication Date Title
AU1946070A (sv)
AU428130B2 (sv)
AU2374870A (sv)
AU5184069A (sv)
FR1569747A (sv)
AU6171569A (sv)
AU429879B2 (sv)
AU416157B2 (sv)
AU2581067A (sv)
AU4811568A (sv)
AU421558B1 (sv)
AU2580267A (sv)
AU3789668A (sv)
AU3224368A (sv)
AU4744468A (sv)
AR203075Q (sv)
BE727586A (sv)
AU2889368A (sv)
AU4224469A (sv)
AU4270368A (sv)
BE727707A (sv)
BE727797A (sv)
BE728727A (sv)
BE727470A (sv)
BE726866A (sv)

Legal Events

Date Code Title Description
ST Notification of lapse