Title:
LOW-PROFILE ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/003078
Kind Code:
A1
Abstract:
Provided is a low-profile antenna device that allows the height of an antenna to be further reduced. The low-profile antenna device comprises a base section (10), a helical antenna section (20), and a top load section (30). The helical antenna section (20) is wound along an oblique axial direction starting from the base section (10). The conductive top load section (30), which is electrically connected to the tip of the helical antenna section (20), has a top section (31) that is provided on the opposite side to a vehicle, to which the antenna device is fixed, and side sections (32) that are provided on the vehicle side in oblique directions from the top section such that no part of the helical antenna section is placed between the top load section and the vehicle in the direction of a perpendicular line formed therebetween.
Inventors:
IMAMURA YUTAKA (JP)
Application Number:
PCT/JP2013/067579
Publication Date:
January 03, 2014
Filing Date:
June 26, 2013
Export Citation:
Assignee:
HARADA IND CO LTD (JP)
International Classes:
H01Q1/32; H01Q1/22; H01Q1/36; H01Q9/40
Domestic Patent References:
| WO2007097532A1 | 2007-08-30 | |||
| WO2008062746A1 | 2008-05-29 |
Foreign References:
| JP3095114U | 2003-07-25 | |||
| JP2000156608A | 2000-06-06 | |||
| JP2000077923A | 2000-03-14 |
Attorney, Agent or Firm:
NAMAI, Kazuhira (JP)
Wahei Namai (JP)
Wahei Namai (JP)
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