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Patent Searching and Data


Title:
ANTENNA DEVICE AND PORTABLE TERMINAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/129766
Kind Code:
A1
Abstract:
In order to provide a thin-film pattern of conductor having an increased line width in a limited region, an antenna device has a groove-shaped structure (groove 3, 3a, or 3b) or a rib-shaped structure (rib 13 or 33) along a loop structure of the thin-film pattern of conductor (antenna pattern 11, 11a, or 11b). The thin film pattern of conductor is formed on an inner surface or an outer surface of the structure. In a cross section perpendicular to the base, the thin film pattern of conductor includes a broken-line shape or a curved-line shape along a broken-line shape or a curved-line shape.

Inventors:
SUZUKI, Shiroh
HIGASHI, Keijiroh
Application Number:
JP2015/055474
Publication Date:
September 03, 2015
Filing Date:
February 25, 2015
Export Citation:
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Assignee:
SHARP KABUSHIKI KAISHA (22-22, Nagaike-cho Abeno-ku, Osaka-sh, Osaka 22, 〒5458522, JP)
International Classes:
H01Q7/00; G06K19/077; H01Q1/24; H05K3/10
Foreign References:
JP2005109505A2005-04-21
JP2000133520A2000-05-12
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (Daiwa Minamimorimachi Building, 2-6 Tenjinbashi 2-chome Kita, Kita-ku, Osaka-sh, Osaka 41, 〒5300041, JP)
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