ANTENNA DEVICE AND COMMUNICATION DEVICE
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United States of America Patent
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Issued Date -
Jul 14, 2016
app pub date -
Aug 19, 2014
filing date -
Aug 22, 2013
priority date (Note) -
Published
status (Latency Note)
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Abstract
An antenna device is incorporated into an electronic apparatus and is able to communicate by receiving a magnetic field transmitted from a reader/writer (120). The antenna device includes an antenna substrate (11), an antenna coil (11a) formed so as to loop around on one surface of the antenna substrate (11), a magnetic sheet (13) inserted into a central section of the antenna coil (11a) to pull in the magnetic field transmitted from the reader/writer (120), and a circuit section that is mounted in a shared circuit mounting region (20) provided on the other surface of the antenna substrate (11) at a position that avoids a position at which the magnetic sheet (13) is inserted and that is connected to an external circuit. At least part of a winding wire of the antenna coil (11a) surrounds at least a portion of circuit components forming the circuit section.
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