Three dimensional polyhedral-shaped microwave switches
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United States of America Patent
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Aug 10, 1999
Grant Date -
N/A
app pub date -
Nov 20, 1997
filing date -
Nov 20, 1997
priority date (Note) -
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Abstract
A 3D microwave switch having a plurality of waveguide transmission lines configured in a polyhedron and with I/O microwave ports at the corners. An actuator selectively moves respective reeds in the waveguide transmission lines between a signal-attenuating position abutting the interior surface of the waveguide transmission line and a signal-conducting position substantially coaxial with the waveguide transmission line and abutting the signal lines of the I/O microwave ports coupled to opposite ends of the waveguide transmission line. Preferably, the transmission lines and ports are formed in a tetrahedral-shaped conductive cavity with a single 4-pole magnet at its center for actuating the reeds or in an octahedral-shape with different actuators for each reed.
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