Title:
ANTENNA AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2006033814
Kind Code:
A
Abstract:
To obtain a compact antenna by lowering the height of antenna elements, which is used in mobile radio devices, and its manufacturing method.
On the top surface of a conductive ground plate 1, a first holder 15a having a first antenna element 13, a second holder 15b having a second antenna element 23, and a support 16 having a parasitic antenna element 33 are provided such that the holders and the support confront each other. Respective intermediate sections 13b, 23b, 33b of the first and second antenna elements 13, 23 and the parasitic antenna element 33 are folded to a shape like "square C" in plural times, so that an antenna 3 is formed.
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Inventors:
FUJIKAWA KAZUHIKO
INATSUGI SUSUMU
INATSUGI SUSUMU
Application Number:
JP2005171988A
Publication Date:
February 02, 2006
Filing Date:
June 13, 2005
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H01Q9/42; H01Q1/38
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano