Patent ID: 8239329

Claim:
A data storage medium comprising: a first storage unit configured to store electronic device IDs; and a second storage unit comprising: software data; a software installation program configured to install the software data to a target electronic device; and a copyright protection module, comprising: an accessing sub-module configured to access the first storage unit; a hardware ID obtaining sub-module configured to read a target electronic device ID from the target electronic device; a comparison sub-module configured to detect whether the target electronic device ID is found in the first storage unit; a judging sub-module configured to detect whether the first storage unit is writable; a recording sub-module configured to record the target electronic device ID in the first storage unit when the judging sub-module detects the first storage unit is writable; a detection sub-module configured to detect whether the target electronic device ID is stored in the first storage unit successfully; and an installation control sub-module configured to control the software installation program to install the software data to the target electronic device when the first storage unit already stores the target electronic device ID, or when the first storage unit is writable and the target electronic device ID is stored in the first storage unit successfully.