Keating & Bennett, LLP
Communication terminal apparatus and antenna device
An antenna device which includes a coil conductor and a booster conductor. The coil conductor is defined by wound loop-shaped conductors and includes a first opening at a winding center and two ends connected to a feeding circuit. The booster conductor includes a coupling conductor portion and a frame-shaped radiation conductor portion. The coupling conductor portion includes a second opening overlapped at least partially by the first opening, is split in a portion thereof by a slit, and is electromagnetically coupled to the coil conductor. The frame-shaped radiation conductor portion includes a third opening and is connected to the coupling conductor portion.
Murata Manufacturing Co., Ltd.
G H H H H H
G06K H01Q H01Q H01F H01Q H01Q
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Noboru Shinichi
Kato Nakano