EP0688062A3 - Adjustable fresnel zone plate - Google Patents

Adjustable fresnel zone plate Download PDF

Info

Publication number
EP0688062A3
EP0688062A3 EP95201485A EP95201485A EP0688062A3 EP 0688062 A3 EP0688062 A3 EP 0688062A3 EP 95201485 A EP95201485 A EP 95201485A EP 95201485 A EP95201485 A EP 95201485A EP 0688062 A3 EP0688062 A3 EP 0688062A3
Authority
EP
European Patent Office
Prior art keywords
zone plate
fresnel zone
adjustable fresnel
adjustable
plate
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.)
Granted
Application number
EP95201485A
Other languages
German (de)
French (fr)
Other versions
EP0688062B1 (en
EP0688062A2 (en
Inventor
Bernard Jozef Reits
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 Nederland BV
Original Assignee
Thales Nederland BV
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 Thales Nederland BV filed Critical Thales Nederland BV
Publication of EP0688062A2 publication Critical patent/EP0688062A2/en
Publication of EP0688062A3 publication Critical patent/EP0688062A3/en
Application granted granted Critical
Publication of EP0688062B1 publication Critical patent/EP0688062B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01Q19/06—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 refracting or diffracting devices, e.g. lens
    • H01Q19/062—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 refracting or diffracting devices, e.g. lens for focusing
    • H01Q19/065—Zone plate type antennas
EP19950201485 1994-06-15 1995-06-06 Adjustable fresnel zone plate Expired - Lifetime EP0688062B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9400974A NL9400974A (en) 1994-06-15 1994-06-15 Adjustable Fresnel zone plate.
NL9400974 1994-06-15

Publications (3)

Publication Number Publication Date
EP0688062A2 EP0688062A2 (en) 1995-12-20
EP0688062A3 true EP0688062A3 (en) 1996-05-15
EP0688062B1 EP0688062B1 (en) 2001-07-18

Family

ID=19864316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950201485 Expired - Lifetime EP0688062B1 (en) 1994-06-15 1995-06-06 Adjustable fresnel zone plate

Country Status (3)

Country Link
EP (1) EP0688062B1 (en)
DE (1) DE69521744T2 (en)
NL (1) NL9400974A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO315397B1 (en) 2001-11-13 2003-08-25 Sinvent As Optical offset sensor
US7136227B2 (en) 2004-08-06 2006-11-14 Matsushita Electric Industrial Co., Ltd. Fresnel zone plate based on elastic materials
US7460084B2 (en) * 2005-10-19 2008-12-02 Northrop Grumman Corporation Radio frequency holographic transformer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978484A (en) * 1975-02-12 1976-08-31 Collier Donald C Waveguide-tuned phased array antenna
EP0331248A1 (en) * 1988-03-03 1989-09-06 Hollandse Signaalapparaten B.V. Antenna system with adjustable beam width and beam orientation
GB2253743A (en) * 1989-05-12 1992-09-16 Marconi Gec Ltd Reflectors for electromagnetic radiation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4905014A (en) 1988-04-05 1990-02-27 Malibu Research Associates, Inc. Microwave phasing structures for electromagnetically emulating reflective surfaces and focusing elements of selected geometry

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978484A (en) * 1975-02-12 1976-08-31 Collier Donald C Waveguide-tuned phased array antenna
EP0331248A1 (en) * 1988-03-03 1989-09-06 Hollandse Signaalapparaten B.V. Antenna system with adjustable beam width and beam orientation
US5063389A (en) * 1988-03-03 1991-11-05 Hollandse Signaalapparaten B.V. Antenna system with adjustable beam width and beam orientation
GB2253743A (en) * 1989-05-12 1992-09-16 Marconi Gec Ltd Reflectors for electromagnetic radiation

Also Published As

Publication number Publication date
NL9400974A (en) 1996-01-02
EP0688062B1 (en) 2001-07-18
DE69521744D1 (en) 2001-08-23
EP0688062A2 (en) 1995-12-20
DE69521744T2 (en) 2002-05-23

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