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Patent Searching and Data


Title:
ANTENNA DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/163675
Kind Code:
A1
Abstract:
The present invention improves heat dissipation performance while ensuring easy passage of magnetic flux through an opening of a coil conductor. An antenna device (1) performs communication by magnetic field coupling. The antenna device (1) is provided with a substrate (2), a coil conductor (3), and a heat dissipation conductor (4). The coil conductor (3) is provided on the substrate (2) and spirally wound. The heat dissipation conductor (4) is connected to the coil conductor (3). The heat dissipation conductor (4) has a connection end (41) and an open end (42). The connection end (41) is connected to the coil conductor (3). The open end (42) is an end different from the connection end (41).

Inventors:
ICHIKAWA, Keiichi
Application Number:
JP2019/005629
Publication Date:
August 29, 2019
Filing Date:
February 15, 2019
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H01Q7/00; H01P1/30; H01Q7/06; H02J50/10; H02J50/80; H04B5/02
Foreign References:
JP2006129605A2006-05-18
JP2008258553A2008-10-23
JP2008177516A2008-07-31
JP2013080785A2013-05-02
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (Umeda Square Bldg, 12-17 Umeda 1-chome, Kita-ku, Osaka-sh, Osaka 01, 〒5300001, JP)
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