Phased Array Antenna Apparatus
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Dec 26, 2005
filing date -
Jan 31, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A phased array antenna apparatus includes: an antenna array portion having a plurality of antenna elements (2) disposed at equal intervals, and a plurality of phase shifters (3), each phase shifter being connected between the adjacent antenna elements and changing a phase of a transmission signal; a phase shifter control portion (4) controlling each phase shift quantity of the plurality of phase shifters (3); and a power feed path switching portion (5) for switching a power feed path from an external apparatus (6) to the antenna array portion to one of a path from one end of the antenna array portion and a path from the other end of the antenna array portion, and causing the control by the phase shifter control portion (4) to correspond to the switching.
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