FR1204354A - Structure d'antenne - Google Patents

Structure d'antenne

Info

Publication number
FR1204354A
FR1204354A FR1204354DA FR1204354A FR 1204354 A FR1204354 A FR 1204354A FR 1204354D A FR1204354D A FR 1204354DA FR 1204354 A FR1204354 A FR 1204354A
Authority
FR
France
Prior art keywords
antenna structure
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1204354A publication Critical patent/FR1204354A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR1204354D 1957-03-18 1958-03-18 Structure d'antenne Expired FR1204354A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US646837A US3019438A (en) 1957-03-18 1957-03-18 Antenna structure

Publications (1)

Publication Number Publication Date
FR1204354A true FR1204354A (fr) 1960-01-26

Family

ID=24594668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1204354D Expired FR1204354A (fr) 1957-03-18 1958-03-18 Structure d'antenne

Country Status (2)

Country Link
US (1) US3019438A (fr)
FR (1) FR1204354A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449657A (en) * 1966-11-14 1969-06-10 Chevron Res Helical antenna for irradiating an earth formation penetrated by a borehole and method of using same
WO1997042682A2 (fr) * 1996-05-07 1997-11-13 Leo One Ip, L.L.C. Antenne helicoidale concentrique multibande

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568205A (en) * 1968-02-12 1971-03-02 Goodyear Aerospace Corp Novel helical antenna
US3906509A (en) * 1974-03-11 1975-09-16 Raymond H Duhamel Circularly polarized helix and spiral antennas
US4014028A (en) * 1975-08-11 1977-03-22 Trw Inc. Backfire bifilar helical antenna
DE3218689A1 (de) * 1982-05-18 1983-11-24 Siemens AG, 1000 Berlin und 8000 München Antennensystem fuer einen sekundaerradar-transponder
US4590479A (en) * 1984-03-29 1986-05-20 Rca Corporation Broadcast antenna system with high power aural/visual self-diplexing capability
JPH02127805A (ja) * 1988-11-08 1990-05-16 Nippon Telegr & Teleph Corp <Ntt> 共用アンテナ
DE4121060A1 (de) * 1991-06-26 1993-01-14 Ant Nachrichtentech Querstrahlende wendelantenne mit koaxialer zuleitung
DE69320313T2 (de) * 1992-12-22 1998-12-24 Thomson Multimedia Sa Antennensystem mit Wendelantennen
US5587719A (en) * 1994-02-04 1996-12-24 Orbital Sciences Corporation Axially arrayed helical antenna

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB508048A (en) * 1937-12-24 1939-06-26 Marconi Wireless Telegraph Co Improvements in or relating to aerial systems
US2244628A (en) * 1938-05-16 1941-06-03 Telefunken Gmbh Antenna with steerable polarization characteristics
US2403500A (en) * 1941-10-22 1946-07-09 Rca Corp System for and method of aircraft radio communication
US2351055A (en) * 1941-11-21 1944-06-13 Henry S Blum Tube for producing multiple wave lengths
US2471515A (en) * 1944-07-25 1949-05-31 Rca Corp Antenna
US2511611A (en) * 1946-09-17 1950-06-13 Hazeltine Research Inc Aperiodic directive antenna system
BE475850A (fr) * 1946-09-17
US2503010A (en) * 1948-09-10 1950-04-04 Philco Corp Helical beam antenna
US2726388A (en) * 1951-07-26 1955-12-06 Itt Antenna system combinations and arrays
US2755466A (en) * 1953-12-31 1956-07-17 Hi Lo Tv Antenna Corp Antenna structure
US2800656A (en) * 1954-02-25 1957-07-23 Rca Corp Antenna for broadcasting two signals
US2876448A (en) * 1954-03-30 1959-03-03 Radio Patents Company Multiple decoupled antennae connected to radio by different length feeder for impedance mismatch reduction
US2835893A (en) * 1956-01-25 1958-05-20 John J Braund Antenna

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449657A (en) * 1966-11-14 1969-06-10 Chevron Res Helical antenna for irradiating an earth formation penetrated by a borehole and method of using same
WO1997042682A2 (fr) * 1996-05-07 1997-11-13 Leo One Ip, L.L.C. Antenne helicoidale concentrique multibande
WO1997042682A3 (fr) * 1996-05-07 1997-12-11 Leo One Ip L L C Antenne helicoidale concentrique multibande
US5986619A (en) * 1996-05-07 1999-11-16 Leo One Ip, L.L.C. Multi-band concentric helical antenna

Also Published As

Publication number Publication date
US3019438A (en) 1962-01-30

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