Detection and monitoring of partial discharge of a power line <a href="http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=1&f=G&l=50&d=PG01&S1=%22ambient+corporation%22&OS="ambient+corporation"&RS="ambient+corporation"" rel="nofollow" target="_blank">http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=1&f=G&l=50&d=PG01&S1=%22ambient+corporation%22&OS="ambient+corporation"&RS="ambient+corporation"</a>