FR867451A - Systèmes de communications radioélectriques - Google Patents

Systèmes de communications radioélectriques

Info

Publication number
FR867451A
FR867451A FR867451DA FR867451A FR 867451 A FR867451 A FR 867451A FR 867451D A FR867451D A FR 867451DA FR 867451 A FR867451 A FR 867451A
Authority
FR
France
Prior art keywords
communications systems
radio communications
radio
systems
communications
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
Other languages
English (en)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867451A publication Critical patent/FR867451A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/42—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means using frequency-mixing
FR867451D 1939-07-14 1940-10-10 Systèmes de communications radioélectriques Expired FR867451A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US284400A US2225928A (en) 1939-07-14 1939-07-14 Multiple unit steerable antenna system

Publications (1)

Publication Number Publication Date
FR867451A true FR867451A (fr) 1941-11-03

Family

ID=23090072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867451D Expired FR867451A (fr) 1939-07-14 1940-10-10 Systèmes de communications radioélectriques

Country Status (2)

Country Link
US (1) US2225928A (fr)
FR (1) FR867451A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549867A (en) * 1939-12-21 1951-04-24 Hendrik C A Van Duuren Antenna system
US2510280A (en) * 1946-09-10 1950-06-06 Rca Corp Antenna system
US2786999A (en) * 1953-05-15 1957-03-26 Bell Telephone Labor Inc Non-reciprocal directive antenna arrays
US3202961A (en) * 1957-05-31 1965-08-24 Commissioners For Executing Th Object detecting and locating apparatus
US3161851A (en) * 1957-05-31 1964-12-15 Gregory M Voglis Object detecting and locating apparatus
US3182324A (en) * 1959-04-01 1965-05-04 Avco Mfg Corp Signal synthesizing system
US3076193A (en) * 1959-08-19 1963-01-29 Gen Electric Electronic scanning of circular arrays
US6693589B2 (en) * 2002-01-30 2004-02-17 Raytheon Company Digital beam stabilization techniques for wide-bandwidth electronically scanned antennas
CN108292929B (zh) 2015-09-10 2020-04-28 蓝色多瑙河系统有限公司 有源阵列校准

Also Published As

Publication number Publication date
US2225928A (en) 1940-12-24

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