Patent ID: 6710750
Filing Date: 2004-03-23
Classification: H01Q

Abstract:
A microwave sensor antenna comprising:a waveguide of circular intersection having a first end and a second end; an antenna centric duct in form of a long cylinder having a coaxial channel of circular intersection at a first end, and a coaxial screwed tongue at second end, wherein on about one third of cylinder length there is a first lateral screwed port; a cylindrical housing having a cylindrical hollow in which there is an antenna sleeve with a necking placed along a longitudinal axis of the cylindrical housing, wherein with the help of a tongue, the antenna centric duct is coaxially connected to the cylindrical housing; a short waveguide support inside the first lateral screwed port of the antenna centric duct, the short waveguide support having a free end and a first transverse cut disposed in the free end, wherein the first end of the waveguide in shape of a rod of circular intersection is located in the first transverse cut; a long waveguide support located in a second lateral screwed port of the cylindrical housing, wherein the long waveguide support has a second transverse cut disposed in one end, and the second end of the waveguide is located in the second transverse cut; and a cut of rectangular intersection along the longitudinal axis of cylindrical housing to a depth of about one third of the cylindrical housing length.