Method of directing an aerial to a receiver according to a main direction
AssigneeU.S. Philips Corporation
InventorJacques Claude Cayzac
Life of this patent
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Abstract
An apparatus for directing an antenna has an information signal being emitted in a main direction from the antenna. Two auxiliary signals are transmitted symmetrically about the antenna, from which an error signal can be derived for alignment of the antenna.
Claims10
A circuit comprising input means for receiving a transmitted signal from a transmitter having a main transmission direction during an information content portion of said transmitted signal and two other directions symmetrical with respect to said main direction during an auxiliary signal portion distinct in time from said main signal portion, and means coupled to said input means for producing an error signal from said auxiliary signals.
A method comprising receiving a transmitted signal from a transmitter having a main transmission direction during an information content portion of said transmitted signal and two other directions symmetrical with respect to said main direction during an auxiliary signal portion distinct in time from said main signal portion, and producing an error signal from said auxiliary signals.
Dependencies are inferred from the claim text.