Antenna device and communication device using the same

An antenna device includes a radiation part and a circuit board. The radiation part includes first to third sidewalls, an extension part and a protrusion part. The second and third sidewalls are connected to the first sidewall and opposite to each other. The extension part extends toward the third s...

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Bibliographic Details
Main Author HSIAO, HO CHEN
Format Patent
LanguageChinese
English
Published 11.02.2017
Subjects
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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Summary:An antenna device includes a radiation part and a circuit board. The radiation part includes first to third sidewalls, an extension part and a protrusion part. The second and third sidewalls are connected to the first sidewall and opposite to each other. The extension part extends toward the third sidewall from the second sidewall. The protrusion part extends toward the first sidewall from the extension part. The circuit board includes a ground layer, a feed point, a clearance area, first metal and second metal sheets. The feed point is electrically connected to the radiation part. The clearance area is in a containing space formed by the first to third sidewalls. The first metal sheet is in the clearance area and extends from the ground layer. The second metal sheet is in the clearance area, connected to the first metal sheet and the protrusion part, and parallel to the extension part.
Bibliography:Application Number: TW20150103397