Title:
ANTENNA DEVICE
Document Type and Number:
Japanese Patent JP2012060565
Kind Code:
A
Abstract:
To detect communication abnormality by distinguishing every cause for the abnormality in a planar antenna device for a vehicle such as a film antenna device and a glass antenna device.
The antenna device includes: an antenna portion where a ground pattern and an antenna pattern of an antenna element are formed on a substrate; and a pickup portion feeding power to the antenna portion. The antenna portion has a resistance portion including a resistor printed on the substrate with a resistance higher than at least the antenna pattern, and the ground pattern and the antenna pattern are connected via the resistance portion.
Inventors:
MUKAI NORIYUKI
KUDO SHIGEKI
BABA NORIHIRO
KUDO SHIGEKI
BABA NORIHIRO
Application Number:
JP2010204237A
Publication Date:
March 22, 2012
Filing Date:
September 13, 2010
Export Citation:
Assignee:
HARADA IND CO LTD
SHINEI IND
SHINEI IND
International Classes:
H01Q1/32; H01Q1/38
Attorney, Agent or Firm:
Takao Maruyama
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