Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04B
TRANSMISSION
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10/00
Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
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H04B10/505
using external modulation
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H04B10/5057
using a feedback signal generated by analysing the optical output
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H04B10/50572
to control the modulating signal amplitude including amplitude distortion
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