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US 3,955,161 AGranted
Molded waveguide filter with integral tuning posts
AssigneeGeneral Dynamics Corporation
InventorWilliam L. MacTurk
Life of this patent
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Abstract
A molded plastic waveguide filter having a substantially U-shaped filter body with integral tuning posts shorter than the walls thereof and a substantially flat filter cap affixed to the walls of the filter body.
Claims2
A molded plastic waveguide filter comprising:
- a plated, molded plastic waveguide filter body, substantially U-shaped, and having integral tuning posts extending therein, said tuning posts being shorter than the walls of said U-shaped waveguide body;
- a substantially flat, plated, molded plastic waveguide filter cap disposed over the open end of said U-shaped waveguide filter body and affixed to the walls of said waveguide filter body leaving a gap between the shorter tuning posts and the cap;
- and
- adjustable metal tuning screws extending through said waveguide filter cap into the gap over the tuning posts.
1 more element
Dependencies are inferred from the claim text.