A METHOD AND APPARATUS FOR DETERMINING IF AN OPTICAL DISK ORIGINATED FROM A VALID SOURCE
摘要
<p>A method and apparatus for determining if an optical disk originated from a valid source, the method and apparatus scanning one major surface of the optical disk for mechanical surface imperfections, storing the locations of the surface imperfections relative to a datum, comparing a parameter of each of the locations of the surface imperfections with corresponding parameters of a master disk of known source for determining if the disk originated from the source from which the master disk originated.</p>
申请公布号
WO2007093976(A1)
申请公布日期
2007.08.23
申请号
WO2007IE00019
申请日期
2007.02.13
申请人
FRAUDHALT LIMITED;O'DOHERTY, PHELIM, ANTHONY;MCCARTHY, SEAN, DAVID;SMITH, PATRICK, JOSEPH;LUNA, CARLOS
发明人
O'DOHERTY, PHELIM, ANTHONY;MCCARTHY, SEAN, DAVID;SMITH, PATRICK, JOSEPH;LUNA, CARLOS