H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 13/00 (2006.01) H01Q 13/24 (2006.01) H01Q 19/08 (2006.01)
Patent
CA 2119068
HIGH-GAIN, WAVEGUIDE-FED ANTENNA HAVING CONTROLLABLE HIGHER ORDER MODE PHASING Abstract of the Disclosure A diverging shall antenna fed by a waveguide supplying TE11 mode is described. A dielectric rod partially contained within the waveguide converts the TE11 mode to a dominant or HE11 mode. The HE11 mode is controllably converted to second and third order modes in the diverging shell by discontinuities placed in predetermined locations in the diverging shell. The discontinuities generating the second mode are incorporated into the dielectric rod structure. Turning of the relative amplitude and phase of the second and third order modes relative to the HE11 mode is achieved by slideably positioning the dielectric rod. An alternative embodiment of the inventive device includes a reactive surface of the diverging shell.
Innova Corporation
Oyen Wiggs Green & Mutala Llp
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