| 摘要 |
There is provided a data storage device that conducts at least one of audio recording and video recording, the data storage device including a trigger signal transmitter that transmits a given trigger signal to an external device, a storage controller that applies control to conduct the at least one of audio recording and video recording, and a marking unit that marks stored data acquired by the at least one of audio recording and video recording at a time of transmitting the trigger signal. |
