circular horn

circular horn

[′sər·kyə·lər ′hȯrn]
(electromagnetism)
A circular-waveguide section that flares outward into the shape of a horn, to serve as a feed for a microwave reflector or lens.
References in periodicals archive ?
Partamian has composed this photo so that the circular horn occupies half the frame, deep black toward the center with highlights of gold around the rim.
Inside the Cruiser several 'heritage' design features are scattered throughout the class-leading interior - the thin spoked steering wheel, the body- coloured or pewter inserts on the instrument panel, the Chrysler winged badge in the circular horn push, the chrome door release lever and the chrome gear lever shaft with stitched boot at the base.
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