依USPTO的公開資料顯示：Sony正在申請一個遊戲光碟的檢驗專利，可以透過在光碟上嵌入RFID，藉此讓遊戲機能夠在進入遊戲前就對光碟進行檢測，這項技術可以做為鎖定遊戲光碟與主機之用，並可透過檢測機制限定光碟與特定帳號，限制非特定帳號進行遊戲時停止部份機能如連網對戰。
US20130007892
Title
: ELECTRONIC CONTENT PROCESSING SYSTEM, ELECTRONIC CONTENT PROCESSING METHOD,
PACKAGE OF ELECTRONIC CONTENT, AND USE PERMISSION APPARATUS
Filing Date :
2012.9.12.
Application Date : 2013.1.3.
Abstract :
A game playing
system includes a use permission tag provided for use in a game disk for a user
of a game, a disk drive, and a reproduction device for reproducing the game. The
disk drive reads out a disk ID from the game disk. When the game is to be
played, the reproduction device conveys the disk ID and a player ID to the use
permission tag. The use permission tag stores the terms of use of the game and
determines whether a combination of the disk ID and the player ID conveyed from
the reproduction device fulfills the terms of use or not.
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