ANTENNA DEVICE AND ELECTRONIC APPARATUS USING THE SAME

PROBLEM TO BE SOLVED: To suppress SAR without sacrificing antenna sensitivity or directivity.SOLUTION: An antenna device 2 includes a radiation conductor 10, a ground conductor 20, and a guard conductor 30. The radiation conductor 10 has a feeding point 12 to be fed from a feed element 4. The guard...

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Bibliographic Details
Main Authors WAKABAYASHI MINORU, MIYAZAKI YOSHIO
Format Patent
LanguageEnglish
Japanese
Published 05.01.2015
Subjects
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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Summary:PROBLEM TO BE SOLVED: To suppress SAR without sacrificing antenna sensitivity or directivity.SOLUTION: An antenna device 2 includes a radiation conductor 10, a ground conductor 20, and a guard conductor 30. The radiation conductor 10 has a feeding point 12 to be fed from a feed element 4. The guard conductor 30 is insulated for the ground conductor 20, and in one use form, it is arranged at a position closer to a specific part of a user than the radiation conductor 10, and straddling one side E1 closest to the feeding point 12 of the ground conductor 20 or a virtual extension E2 thereof. 【課題】アンテナ感度や指向性を犠牲にせずに、ＳＡＲを抑制する。【解決手段】アンテナ装置２は、放射導体１０、接地導体２０、ガード導体３０を備える。放射導体１０は、給電素子４から給電される給電点１２を有する。ガード導体３０は、接地導体２０に対して絶縁されており、ひとつの使用形態において、放射導体１０よりもユーザの特定部位側となる位置であって、接地導体３０の給電点１２と最近接する一辺Ｅ１もしくはその仮想的な延長線Ｅ２を跨ぐ位置に配置される。【選択図】図２
Bibliography:Application Number: JP20130124974