Title:
ANTENNA UNIT AND ANTENNA DEVICE
Document Type and Number:
Japanese Patent JP2006262008
Kind Code:
A
Abstract:
To increase the flexibility of assemblability, by unitizing feed elements and passive elements.
This antenna unit is used for a directional antenna for controlling directivity, by controlling the short-circuit of a passive unit 21 arranged around a feed unit 20. The feed unit 20 and the passive unit 21 are formed into an external shape such that the upper surface of an element substrate 5 is an electrode pattern surface, the lower surface is a grounding surface and they can be arranged, adjacently in two-dimensional directions.
Inventors:
HIROI MASAKI
Application Number:
JP2005075983A
Publication Date:
September 28, 2006
Filing Date:
March 16, 2005
Export Citation:
Assignee:
RICOH KK
International Classes:
H01Q1/38; H01Q1/50; H01Q13/08
Attorney, Agent or Firm:
Takao Maruyama