I got to reading the MicroSignet patent and was wondering just how selected cells are found.
Look at page 12, Fig 6,
Process 600, Perform read on selected memory cells; and 610, Determine variation from written data.
Wouldn't you say this to be the 737 at work?
I also fount it interesting page 12 , 10-20, that the higher the error rates the more secure and identifiable the fingerprint becomes.
http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=08572440&IDKey=B6E04E54630F%0D%0A&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%3D8572440.PN.%2526OS%3DPN%2F8572440%2526RS%3DPN%2F8572440
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