ANTENNA APPARATUS AND WIRELESS COMMUNICATION APPARATUS USING THE SAME
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United States of America Patent
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Issued Date -
Feb 28, 2013
app pub date -
Aug 28, 2012
filing date -
Aug 29, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A small-sized antenna apparatus capable of two-dimensionally controlling directivity, and a wireless communication apparatus mounted with the same. The antennal apparatus includes a substantially rectangular patch antenna, a plurality of parasitic devices disposed around each side of the patch antenna, and a converting unit configured to switch an electrical length of each of the plurality of parasitic devices. The converting unit controls the electric length to be switched so that the parasitic devices serve as reflectors.
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