EP0194583A3 - A passive process for the variation of the phases in the fresnel zones - Google Patents

A passive process for the variation of the phases in the fresnel zones Download PDF

Info

Publication number
EP0194583A3
EP0194583A3 EP86102937A EP86102937A EP0194583A3 EP 0194583 A3 EP0194583 A3 EP 0194583A3 EP 86102937 A EP86102937 A EP 86102937A EP 86102937 A EP86102937 A EP 86102937A EP 0194583 A3 EP0194583 A3 EP 0194583A3
Authority
EP
European Patent Office
Prior art keywords
phases
variation
fresnel zones
passive process
zones
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.)
Withdrawn
Application number
EP86102937A
Other languages
German (de)
French (fr)
Other versions
EP0194583A2 (en
Inventor
Maria Elena Gomez Moli
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.)
Radio Desarrollo Sa (radesa)
Original Assignee
Radio Desarrollo Sa (radesa)
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 Radio Desarrollo Sa (radesa) filed Critical Radio Desarrollo Sa (radesa)
Publication of EP0194583A2 publication Critical patent/EP0194583A2/en
Publication of EP0194583A3 publication Critical patent/EP0194583A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism

Landscapes

  • Aerials With Secondary Devices (AREA)

Abstract

The process consists in that electric bodies, transparent to the electromagnetic waves, are introduced into the paths thereof, so as to cover different Fresnel zones and thereby producing phase variations of the waves passing separately through each zone.
EP86102937A 1985-03-06 1986-03-06 A passive process for the variation of the phases in the fresnel zones Withdrawn EP0194583A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES541003A ES8700891A1 (en) 1985-03-06 1985-03-06 A passive process for the variation of the phases in the fresnel zones.
ES541003 1985-03-06

Publications (2)

Publication Number Publication Date
EP0194583A2 EP0194583A2 (en) 1986-09-17
EP0194583A3 true EP0194583A3 (en) 1987-10-14

Family

ID=8488802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86102937A Withdrawn EP0194583A3 (en) 1985-03-06 1986-03-06 A passive process for the variation of the phases in the fresnel zones

Country Status (3)

Country Link
EP (1) EP0194583A3 (en)
ES (1) ES8700891A1 (en)
PT (1) PT82146A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736470B1 (en) * 1990-11-13 1997-12-05 Bony Gerard METHOD FOR THE DESIGN OF A PROTECTED MICROWAVE ANTENNA WITH HORIZONTAL RADIATION SURFACE AND ANTENNAS PRODUCED ACCORDING TO THIS METHOD

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189907A (en) * 1961-08-11 1965-06-15 Lylnan F Van Buskirk Zone plate radio transmission system
US3495265A (en) * 1965-08-11 1970-02-10 Bell Telephone Labor Inc Dielectric clutter fence
US4342033A (en) * 1976-10-15 1982-07-27 Camargo Luiz M V De Wave action device for radio frequencies

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189907A (en) * 1961-08-11 1965-06-15 Lylnan F Van Buskirk Zone plate radio transmission system
US3495265A (en) * 1965-08-11 1970-02-10 Bell Telephone Labor Inc Dielectric clutter fence
US4342033A (en) * 1976-10-15 1982-07-27 Camargo Luiz M V De Wave action device for radio frequencies

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
MICROWAVES, November 1979, pages 78-80, Hayden Publishing Co., Rochelle Park, US; M.J. LAZARUS: "Fresnel-zone plate aids low-cost Doppler design" *
REVIEW OF THE ELECTRICAL COMMUNICATION LABORATORY, vol. 14, nos. 1-2, January-February 1966, pages 53-72, Musashino, Tokyo, JP; M. TAKADA et al.: "Diffractor grating as a new microwave passive repeater" *
TELECOMMUNICATIONS & RADIO ENGINEERING, vol. 34/35, no. 5, May 1980, pages 28-32, Scripta Publishing Co., Silver Spring, US; I.L. NEPOMNYASHCHIY et al.: "An antenna director in the form of a flat polygonal screen" *
TELECOMMUNICATIONS AND RADIO ENGINEERING, vol. 34/35, no. 2, February 1980, pages 23-27, Scripta Publishing Co., Silver Spring, US; Y.M. MEL'NIKOV et al.: "Interference screening of radio relay antennas" *

Also Published As

Publication number Publication date
ES8700891A1 (en) 1986-12-01
ES541003A0 (en) 1986-12-01
EP0194583A2 (en) 1986-09-17
PT82146A (en) 1986-09-16

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Inventor name: GOMEZ MOLI, MARIA ELENA