Apparatus and method for shorting waveguide using a...

Details Apparatus and method for shorting waveguide using a... Apparatus and method for shorting waveguide using a...

2005-06-07

2005-06-07

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S248000, C333S258000

Reexamination Certificate

active

06903624

ABSTRACT:
A center-pivoted, conductive vane equipped with contact-enhancing finger stock on the wiping edges rests during normal operation of a modified waveguide section parallel to and equidistant between the broad faces of the waveguide, where it interacts minimally with RF propagating through the waveguide. When it is desired to provide a short circuit to the waveguide, for a safety lockout or other uses, the vane can be rotated into a position to provide a substantial barrier to RF propagation. Rotating the pivot shaft, to which the vane is rigidly attached, performs rotation of the vane. The shaft is equipped with lockable stops for the open and shorted positions. Multiple center-pivoted vanes in a multiple-branch waveguide can form a switch.

REFERENCES:
patent: 2647951 (1953-08-01), Zaleski
patent: 3009117 (1961-11-01), Lanctot
patent: 3390355 (1968-06-01), Vliestra
patent: 3697894 (1972-10-01), Johnson

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