Title:
切換ビーム・アンテナ・アーキテクチャ
Document Type and Number:
Japanese Patent JP4928052
Kind Code:
B2
Abstract:
An antenna element is described which has at least one radiator layer disposed over a feed circuit layer. The radiator has a first ground plane disposed thereon and the feed circuit layer has a second ground plane disposed thereon. A conductive path couples the first and second ground plane layers to provide a cavity in the radiator and feed circuit layers. The cavity may be formed by embedded vias which provide a continuous conductive path between the first and second ground plane layers. A cover layer disposed over the radiator layer may function to tune the antenna element. The radiator layers may be provided from a low temperature co-fired ceramic substrate. Apertures in the radiator layers may be used to match an impedance of the antenna element to a predetermined impedance.
Inventors:
Bregria, caroline
French, Thomas W
Preva, Joseph Es
French, Thomas W
Preva, Joseph Es
Application Number:
JP2002520359A
Publication Date:
May 09, 2012
Filing Date:
August 16, 2001
Export Citation:
Assignee:
Valeo Raider Systems Incorporated
International Classes:
B60R21/00; H01Q3/26; B60K31/00; B60Q1/26; B60Q1/52; G01S7/02; G01S7/03; G01S7/26; G01S7/285; G01S7/35; G01S7/40; G01S13/04; G01S13/28; G01S13/34; G01S13/48; G01S13/87; G01S13/89; G01S13/931; H01Q1/32; H01Q1/38; H01Q1/42; H01Q3/24; H01Q3/40; H01Q13/06; H01Q13/10; H01Q21/00; H01Q21/06; H01Q25/00; H03F1/30; H03H7/01; H03H21/00; G01S7/288; G01S13/02; G01S13/58; G01S13/72
Domestic Patent References:
| JPH09284035A | 1997-10-31 | |||
| JPH09172317A | 1997-06-30 | |||
| JPH10256826A | 1998-09-25 | |||
| JPS63135003A | 1988-06-07 | |||
| JP2000059141A | 2000-02-25 | |||
| JPH02194702A | 1990-08-01 | |||
| JPH11231040A | 1999-08-27 | |||
| JP2000022439A | 2000-01-21 | |||
| JPH04170804A | 1992-06-18 | |||
| JP2000114866A | 2000-04-21 |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Kenichi Torii
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Kenichi Torii