H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/12 (2006.01) H04B 10/155 (2006.01)
Patent
CA 2172761
A digital optical telecommunication method comprising the steps of: generating a digital modulated optical signal in an optical transmitting station, which signal corresponds to a first electric input signal carrying a piece of information; feeding the modulated optical signal to an optical-fibre line; receiving the modulated optical signal transmitted from the optical-fibre line at an optical receiving station, converting it to an electric form and thereat generating a second digital electric signal; wherein the modulated optical signal is coded in a sequence of elementary information units at a first frequency and wherein the step of generating a second digital electric signal comprises detecting in said converted signal, an electric signal having a second frequency higher than the first frequency and recognizing in said detected signal, the phase of an electric signal at the first frequency by comparing a received sequence of elementary information units with at least one reference sequence and verifying their correspondence to a predetermined condition.
Nava Adriano
Tamburello Mario
Gowling Lafleur Henderson Llp
Nava Adriano
Pirelli Cavi S.p.a.
Tamburello Mario
LandOfFree
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