All posts filed under “Razor blade model

Use of RFID in DRM

A CD with its functionality destroyed using GHz-range radio frequencies

Via Dave Farber’s Interesting People, a brief New Scientist article outlines Sony’s continuing obsession with restricting and controlling its customers (the last one didn’t go too well):

“A patent filed by Sony last week suggests it may once again be considering preventing consumers making “too many” back-up copies of its CDs…

Sony’s latest idea is to place a piece of monitoring hardware inside the CD. Its patent suggests embedding a radio-frequency ID chip that could be interrogated wirelessly by a PC or CD player. The chip would record the number of times the disc was copied and prevent further recordings once it reached the limit. The device could also be fitted to DVDs. Whether Sony will turn the patent idea into reality remains to be seen.”

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