Keating & Bennett, LLP
Antenna device and electronic apparatus
An antenna device includes a base and a coil element that includes a coil conductor, first and second terminals respectively connected to first and second ends of the coil conductor, and third and fourth terminals extended from a secondary coil conductive portion of the coil conductor. First, second, third, and fourth electrodes and a radiating conductor are disposed on the base. The first electrode is connected to the first terminal and links to a power feed circuit. The second electrode is connected to the second terminal and links to the power feed circuit. The third electrode is connected to the third terminal. The fourth electrode is connected to the fourth terminal. The radiating conductor links to the third electrode and the fourth electrode. The coil element and the radiating conductor are magnetically coupled to a communication-partner antenna.
MURATA MANUFACTURING CO., LTD.
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G06K H01Q H01Q H01Q G06K H01Q H04B
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Noboru Nobuyuki
Kato Tenno