Here’s some information on SmartSync I found awhile back:
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6,281,789.PN.&OS=PN/6,281,789&RS=PN/6,281,789
http://pdfpiw.uspto.gov/.piw?Docid=06281789&homeurl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D6,281,789.PN.%2526OS%3DPN%2F6,281,789%2526RS%3DPN%2F6,281,789&PageNum=&Rtype=&SectionNum=&idkey=NONE&Input=View+first+page
https://www.tycosimplexgrinnell.com/wps/wcm/connect/4c6c1478-9c71-4cdb-9e69-9e24566eca4a/4905-9938,+4905-9914,+%26+4905-9922.PDF?MOD=AJPERES&CACHEID=4c6c1478-9c71-4cdb-9e69-9e24566eca4a
Sorry for the super long links.
Uspto.gov in my opinion is a fairly hard to navigate website so I posted the patent’s “images” PDF on google drive here: USB106281789.pdf - Google Drive
Posting from old phone, sorry for any typos.