Array antenna mounted on spacecrafts
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United States of America Patent
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-
Jul 4, 1995
Grant Date -
N/A
app pub date -
Sep 7, 1993
filing date -
Sep 8, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An array antenna mounted on a spacecraft in its stowed state. After the spacecraft is launched in a predetermined position or on a predetermined orbit, the array antenna is extended to a flat plate form or a curved surface form. The array antenna has a structure that a plurality of subarrays are connected by plate springs or the like. The array antenna is extended in a kite form by using cables for connecting a spacecraft body and the subarrays or is extended by using an extension pole mounted on the spacecraft body. Each subarray includes a variable phase shifter to switch a shape and a direction of a directivity beam. A feeder line, a power supply line, a control signal line and the like connect the spacecraft body and each subarray.
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