28 June 1999 IPR protection features for optical disks to promote superdistribution
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In the industrial age the mass production system was developed and people bought products through physical distribution channels. In this age, the value of the products was attained by physically possessing the products.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Makoto Yoshioka, Makoto Yoshioka, } "IPR protection features for optical disks to promote superdistribution", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 38640Q (28 June 1999); doi: 10.1117/12.997567; https://doi.org/10.1117/12.997567

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