Description  Claims  Drawing  Cited references 

US62640415   [0001] 
US2017000516A1   [0014] 
US2009036794A1   [0015] 
US2011015627A1   [0016] 
US20170086914A1   [0046] 
US62640417   [0156]  [0202]  [0210]  [0212]  [0213] 

Phase Measurement   [0073] 
IEEE 802.3 Standard   [0221]