DE3775812D1 - HIGH EFFICIENCY ANTENNA. - Google Patents

HIGH EFFICIENCY ANTENNA.

Info

Publication number
DE3775812D1
DE3775812D1 DE8787105544T DE3775812T DE3775812D1 DE 3775812 D1 DE3775812 D1 DE 3775812D1 DE 8787105544 T DE8787105544 T DE 8787105544T DE 3775812 T DE3775812 T DE 3775812T DE 3775812 D1 DE3775812 D1 DE 3775812D1
Authority
DE
Germany
Prior art keywords
high efficiency
efficiency antenna
antenna
efficiency
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 - Fee Related
Application number
DE8787105544T
Other languages
German (de)
Inventor
Eric Anglade
Serge Bichet
Ricardo Gutierrez
Regis Lenormand
Didier Rene
Daniel Venault
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.)
Alcatel Espace Industries SA
Original Assignee
Alcatel Espace Industries 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 Alcatel Espace Industries SA filed Critical Alcatel Espace Industries SA
Application granted granted Critical
Publication of DE3775812D1 publication Critical patent/DE3775812D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01Q19/185—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 wherein the surfaces are plane
    • 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
DE8787105544T 1986-04-15 1987-04-14 HIGH EFFICIENCY ANTENNA. Expired - Fee Related DE3775812D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8605359A FR2597267B1 (en) 1986-04-15 1986-04-15 HIGH EFFICIENCY ANTENNA

Publications (1)

Publication Number Publication Date
DE3775812D1 true DE3775812D1 (en) 1992-02-20

Family

ID=9334237

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787105544T Expired - Fee Related DE3775812D1 (en) 1986-04-15 1987-04-14 HIGH EFFICIENCY ANTENNA.

Country Status (4)

Country Link
EP (1) EP0241921B1 (en)
DE (1) DE3775812D1 (en)
ES (1) ES2028820T3 (en)
FR (1) FR2597267B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2586675B2 (en) * 1990-02-27 1997-03-05 国際電信電話株式会社 4-wire helical antenna
GB2246910B (en) * 1990-08-02 1994-12-14 Polytechnic Electronics Plc A radio frequency antenna
GB9417450D0 (en) 1994-08-25 1994-10-19 Symmetricom Inc An antenna
GB9601250D0 (en) * 1996-01-23 1996-03-27 Symmetricom Inc An antenna
AU3883697A (en) * 1996-07-16 1998-02-09 Qualcomm Incorporated Modified helical antenna
GB9813002D0 (en) 1998-06-16 1998-08-12 Symmetricom Inc An antenna
GB9828768D0 (en) 1998-12-29 1999-02-17 Symmetricom Inc An antenna
GB9902765D0 (en) 1999-02-08 1999-03-31 Symmetricom Inc An antenna
GB9912441D0 (en) 1999-05-27 1999-07-28 Symmetricon Inc An antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494117A (en) * 1982-07-19 1985-01-15 The United States Of America As Represented By The Secretary Of The Navy Dual sense, circularly polarized helical antenna
SE443691B (en) * 1984-07-20 1986-03-03 Ericsson Telefon Ab L M SENDAR RECEIVER SYSTEM IN A SATELLITE

Also Published As

Publication number Publication date
EP0241921A1 (en) 1987-10-21
FR2597267A1 (en) 1987-10-16
FR2597267B1 (en) 1988-07-22
EP0241921B1 (en) 1992-01-08
ES2028820T3 (en) 1992-07-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee