ES2090677T3 - Proceso para la produccion de lentes con indice de refraccion variable. - Google Patents

Proceso para la produccion de lentes con indice de refraccion variable.

Info

Publication number
ES2090677T3
ES2090677T3 ES92917326T ES92917326T ES2090677T3 ES 2090677 T3 ES2090677 T3 ES 2090677T3 ES 92917326 T ES92917326 T ES 92917326T ES 92917326 T ES92917326 T ES 92917326T ES 2090677 T3 ES2090677 T3 ES 2090677T3
Authority
ES
Spain
Prior art keywords
lens
refraction index
apexes
parts
production
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 - Lifetime
Application number
ES92917326T
Other languages
English (en)
Spanish (es)
Inventor
David Harrison
Masahiro Fujimoto
Gerhard Maier
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.)
Vantiva SA
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 ES2090677T3 publication Critical patent/ES2090677T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material

Landscapes

  • Aerials With Secondary Devices (AREA)
ES92917326T 1991-06-03 1992-05-25 Proceso para la produccion de lentes con indice de refraccion variable. Expired - Lifetime ES2090677T3 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2090677T3 true ES2090677T3 (es) 1996-10-16

Family

ID=8208578

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92917326T Expired - Lifetime ES2090677T3 (es) 1991-06-03 1992-05-25 Proceso para la produccion de lentes con indice de refraccion variable.

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 (2)

* 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
KR102588510B1 (ko) * 2019-04-22 2023-10-12 현대자동차주식회사 차량용 안테나 시스템 및 그 제어 방법

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
WO1992022846A2 (en) 1992-12-23
WO1992022846A3 (en) 1993-01-21
JPH06507735A (ja) 1994-09-01
KR940701589A (ko) 1994-05-28
ATE141445T1 (de) 1996-08-15
DE69212829D1 (de) 1996-09-19
EP0587810B1 (de) 1996-08-14
CA2109936A1 (en) 1992-12-23
EP0587810A1 (de) 1994-03-23
DE69212829T2 (de) 1997-02-27

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