[3] is https://www.google.com/patents/US8542763 https://www.google.com/patents/US8542763 , you pasted [2] twice. These are quite readable; worth a look. Thank

[3] is https://www.google.com/patents/US8542763 https://www.google.com/patents/US8542763 , you pasted [2] twice. These are quite readable; worth a look. Thank you, ashwinl.