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<http://webisa.webdatacommons.org/115104277>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/54774453>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/115104277> .
<http://webisa.webdatacommons.org/115104277>	<http://www.w3.org/ns/prov#value>	"longitudinal modes, the frequency interval between the two modes being n.times.B, where n is a natural number, B is a transmission speed, and the generated optical pulse signal is in synchronism with the binary NRZ digital signal; a pulse light source" .