| 摘要 |
A transfer device for selectively combining and switching microwave signals between selective ports in a housing in which is a cylindrical rotor. In a lower portion of the rotor is a first passage having three arms each of which terminates at one of the ports when the rotor is one position so that microwave signals entering the passage via two of the arms are combined and leave the rotor and housing via the third arm. In an upper portion of the rotor are second and third passages which are blocked when the rotor is in the first position to prevent switching of signals therein When the rotor is in the second and third positions the second and third passages pass microwave signals between selected pairs of ports, while the arms of the first passage are blocked to prevent combining of signals therein.
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