DIRECTIONAL MULTIBAND ANTENNA

There is disclosed A directional multi-band antenna, the antenna comprising: -an optical unit comprising an optical sensor; -an RF unit comprising an RF sensor; -a substantially planar optical lens, the optical lens comprising surface relief elements for beam forming, the lens being arranged to focu...

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Bibliographic Details
Main Authors GRIFFITH, Michael, Stewart, LAYCOCK, Leslie Charles
Format Patent
LanguageEnglish
French
German
Published 11.03.2020
Subjects
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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Summary:There is disclosed A directional multi-band antenna, the antenna comprising: -an optical unit comprising an optical sensor; -an RF unit comprising an RF sensor; -a substantially planar optical lens, the optical lens comprising surface relief elements for beam forming, the lens being arranged to focus optical signal beams, incident along a first optical axis, onto the optical sensor, the optical lens being substantially transparent to RF signals, -an RF beam forming device arranged to receive RF signals incident along the first optical axis and focus such RF signals onto the RF sensor.
Bibliography:Application Number: EP20140701619