Title:
DVD複製保護システム用レーザ反応性染料
Document Type and Number:
Japanese Patent JP2007503077
Kind Code:
A
Abstract:
A method and system for providing copy-protected optical medium using transient optical state change security materials capable of changing optical state when exposed to a wavelength of about 630 nm to about 660 nm and software code to detect such change in optical state.
Inventors:
Georgia, Scott
Serine flund, richard etch
Mirror, peter
Li, Jun Hong
Cook, Ewell
Bigg, Rakesh
Sagrin Beni, Anthony A.
Serine flund, richard etch
Mirror, peter
Li, Jun Hong
Cook, Ewell
Bigg, Rakesh
Sagrin Beni, Anthony A.
Application Number:
JP2006523947A
Publication Date:
February 15, 2007
Filing Date:
August 13, 2004
Export Citation:
Assignee:
Verification Technologies, Inc.
International Classes:
G11B7/26; B29D17/00; B32B3/02; B41M5/26; C07D279/18; G11B7/24; G11B7/254; G11B7/257; G02B
Attorney, Agent or Firm:
Kazunori Saito
Tetsuya Ito
Tetsuya Ito