FR938611A - Antenne - Google Patents

Antenne

Info

Publication number
FR938611A
FR938611A FR938611DA FR938611A FR 938611 A FR938611 A FR 938611A FR 938611D A FR938611D A FR 938611DA FR 938611 A FR938611 A FR 938611A
Authority
FR
France
Prior art keywords
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
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.)
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
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR938611A publication Critical patent/FR938611A/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
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
    • H01Q3/18—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/06—Waveguide mouths
FR938611D 1943-08-21 1946-09-04 Antenne Expired FR938611A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US499450A US2575058A (en) 1943-08-21 1943-08-21 Microwave radar antenna

Publications (1)

Publication Number Publication Date
FR938611A true FR938611A (fr) 1948-10-20

Family

ID=23985291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938611D Expired FR938611A (fr) 1943-08-21 1946-09-04 Antenne

Country Status (2)

Country Link
US (1) US2575058A (fr)
FR (1) FR938611A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664508A (en) * 1945-07-09 1953-12-29 Sichak William Antenna
US2762610A (en) * 1952-10-17 1956-09-11 Babcock & Wilcox Co Tube surface cleaning apparatus for tubular heat exchangers
US2996716A (en) * 1959-05-27 1961-08-15 Thomas H Witherby Rotating feed for microwave conical scan
US3264648A (en) * 1963-07-02 1966-08-02 Sylvania Electric Prod Broadband automatic tracking antenna

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1828705A (en) * 1928-05-21 1931-10-20 Fed Telegraph Co Radio system
US2082347A (en) * 1932-11-29 1937-06-01 Telefunken Gmbh Radio direction system
US2206923A (en) * 1934-09-12 1940-07-09 American Telephone & Telegraph Short wave radio system
US2422361A (en) * 1943-01-28 1947-06-17 Rca Corp Electronic indicator system

Also Published As

Publication number Publication date
US2575058A (en) 1951-11-13

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