noun
copy once; copy-once protection
A digital rights management restriction that allows a broadcast program to be recorded only once, preventing further copying. Used in the context of Japanese digital television.
この番組はコピーワンスなので、一度しか録画できません。
This program is copy-once, so you can only record it once.
コピーワンスの制限があるため、ダビングはできません。
Because of the copy-once restriction, dubbing is not possible.