(57) It consists of an integrated circuit (6) made up of a power supply (7) connected
by two wires plus the earth leakage one, signal receiver (8) connected in line to
the RF amplifier (9), an AM detector (10), a LF amplifier (11), a computer (12), a
decoder (13) and a power stage (14). The integrated circuit (6) is incorporated onto
the motor-driven reducer (4) itself or onto its outlet shaft (3), of the awnings,
window blinds or the like (1), being operated by means of a radio remote control (34)
or a series or emitting sensors driven in turn by an anemometer (27), a photosensitor
(28), a thermometer (29) and a rain detector (30).
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