digital rights management
デジタル著作権管理
anti-tamper software
closed platform
digital asset management
hardware restrictions
license manager
ODRL
software metering
software protection dongle
Secure Digital Music Initiative
Trusted Computing
google.icon
digital rights management
image
digital rights management
define
digital rights management
wikipedia
digital rights management
weblio
digital rights management
kotobank
digital rights management
jisho
digital rights management