Invention Grant
- Patent Title: Method and apparatus for determining if an optical disk originated from a valid source
- Patent Title (中): 用于确定光盘是否源自有效源的方法和装置
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Application No.: US12108180Application Date: 2008-04-23
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Publication No.: US08098924B2Publication Date: 2012-01-17
- Inventor: Patrick Smith , Phelim O'Doherty , Sean McCarthy
- Applicant: Patrick Smith , Phelim O'Doherty , Sean McCarthy
- Applicant Address: IE Dublin
- Assignee: Fraudhalt Limited
- Current Assignee: Fraudhalt Limited
- Current Assignee Address: IE Dublin
- Agency: Seyfarth Shaw LLP
- Agent Brian Michaelis
- Priority: IES2003/0443 20030616
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G01N21/00
Abstract:
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 imperfections, storing the locations of the imperfections relative to a datum, comparing a parameter of each of the locations of the 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.
Public/Granted literature
- US20080225663A1 METHOD AND APPARATUS FOR DETERMINING IF AN OPTICAL DISK ORIGINATED FROM A VALID SOURCE Public/Granted day:2008-09-18
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