Back to results
US 2009/0153433 A1Published application
Antenna device
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsShuichi Nagai, Hiroyuki Sakai
Life of this patent
Estimating the term…
Abstract
An antenna device according to this invention having: a transmission antenna which is the first antenna element formed on a surface of a substrate; and a receiving antenna which is the second antenna element formed on the surface of the substrate includes a photonic crystal structure between the transmission antenna which is the first antenna element and the receiving antenna which is the second antenna element.
Claims15
An antenna device comprising:
- a first antenna element formed on a surface of a substrate;
- a second antenna element formed on the surface of said substrate;
- and
- a photonic crystal structure formed between said first antenna element and said second antenna element.
1 more element
An antenna device comprising:
- a first antenna element formed on a surface of a substrate;
- a second antenna element formed on the surface of said substrate;
- and
- a ground conductor on a rear surface of said substrate,
- wherein said ground conductor has a gap between said first antenna element and said second antenna element.
2 more elements
An antenna device comprising:
- a first antenna element formed on a surface of a substrate;
- a second antenna element formed on the surface of said substrate;
- and
- a wave absorber between the first antenna element and the second antenna element.
1 more element
Dependencies are inferred from the claim text.