H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 3/44 (2006.01)
Patent
CA 2315105
A device (10) for changing the divergence of a beam of microwave radiation comprises a ferrite body (12) having an aperture through which the beam passes. Magnetic means in the form of a plurality of wires (20) passing both through the body (12) and across the aperture or in the form of a coil on either side of the aperture causes a differential phase delay as the beam passes through the aperture which broadens or narrows the beam.
La présente invention concerne un dispositif (10) conçu pour modifier la divergence d'un faisceau de rayonnement hyperfréquence. Ce dispositif comprend un corps de ferrite (12) présentant une ouverture par laquelle passe le faisceau. Des organes magnétiques, sous forme d'une pluralité de fils (20) traversant non seulement le corps (12) mais également l'ouverture, ou sous forme d'un bobinage de chaque côté de l'ouverture, provoque un délai de phase différentiel dès que le faisceau passe par l'ouverture, ce qui évase ou resserre le faisceau.
Bae Systems Electronics Limited
Bae Systems Plc
Fetherstonhaugh & Co.
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