ATE141445T1 - Verfahren zur herstellung von linsen mit variablem brechungsindex - Google Patents

Verfahren zur herstellung von linsen mit variablem brechungsindex

Info

Publication number
ATE141445T1
ATE141445T1 AT92917326T AT92917326T ATE141445T1 AT E141445 T1 ATE141445 T1 AT E141445T1 AT 92917326 T AT92917326 T AT 92917326T AT 92917326 T AT92917326 T AT 92917326T AT E141445 T1 ATE141445 T1 AT E141445T1
Authority
AT
Austria
Prior art keywords
lens
apexes
refraction index
parts
symmetry point
Prior art date
Application number
AT92917326T
Other languages
English (en)
Inventor
David Harrison
Masahiro Fujimoto
Gerhard Maier
Original Assignee
Thomson Multimedia 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 Thomson Multimedia Sa filed Critical Thomson Multimedia Sa
Application granted granted Critical
Publication of ATE141445T1 publication Critical patent/ATE141445T1/de

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
    • H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material

Landscapes

  • Aerials With Secondary Devices (AREA)
AT92917326T 1991-06-03 1992-05-25 Verfahren zur herstellung von linsen mit variablem brechungsindex ATE141445T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91401444 1991-06-03

Publications (1)

Publication Number Publication Date
ATE141445T1 true ATE141445T1 (de) 1996-08-15

Family

ID=8208578

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92917326T ATE141445T1 (de) 1991-06-03 1992-05-25 Verfahren zur herstellung von linsen mit variablem brechungsindex

Country Status (8)

Country Link
EP (1) EP0587810B1 (de)
JP (1) JPH06507735A (de)
KR (1) KR940701589A (de)
AT (1) ATE141445T1 (de)
CA (1) CA2109936A1 (de)
DE (1) DE69212829T2 (de)
ES (1) ES2090677T3 (de)
WO (1) WO1992022846A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7301504B2 (en) 2004-07-14 2007-11-27 Ems Technologies, Inc. Mechanical scanning feed assembly for a spherical lens antenna

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761141A (en) * 1951-08-28 1956-08-28 Malcolm W P Strandberg Continuously varying dielectric constant electromagnetic lens
US3274668A (en) * 1965-08-02 1966-09-27 Armstrong Cork Co Method of making three-dimensional dielectric lens
US3133285A (en) * 1963-01-14 1964-05-12 Gen Electric Spherical luneberg lens composed of a plurality of pyramidal sectors each having a graded dielectric constant

Also Published As

Publication number Publication date
ES2090677T3 (es) 1996-10-16
WO1992022846A2 (en) 1992-12-23
EP0587810A1 (de) 1994-03-23
WO1992022846A3 (en) 1993-01-21
EP0587810B1 (de) 1996-08-14
DE69212829D1 (de) 1996-09-19
CA2109936A1 (en) 1992-12-23
JPH06507735A (ja) 1994-09-01
DE69212829T2 (de) 1997-02-27
KR940701589A (ko) 1994-05-28

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties