The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2001
Filed:
Oct. 20, 1998
Midbar Tech (1998) Ltd., Tel-Aviv, IL;
Abstract
In a manufacturing process of a continuous linear velocity (CLV) storage medium, a method for rendering a file stored on the CLV storage medium immunized against an unauthorized duplication. The CLV includes a plurality of consecutive blocks, each including a data section and control section. The control section includes an error correction and an error detection code. The blocks are configured in a given format. The method includes the steps of: (a) modifying a portion of the data section in a block so as to constitute modified data section. The modified data constitutes reconfigured format which violates the given format. The method further includes the step of modifying the control section that is associated with the modified data section, such that the error correction and error detection codes match the modified data section.