PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The arc fault circuit interrupter of claim 1 wherein said one of said samples at about said zero crossing is a first one of said samples; and wherein said arc fault detection circuit comprises a zero crossing detector adapted to detect the zero crossing of said line voltage and a routine adapted to determine said first slope based upon a difference between the first one of said samples and a secon
http://www.w3.org/ns/prov#wasQuotedFrom
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