| 摘要 |
A magnetic tape drive has a brake mechanism section which can transfer the state of a reel table from a non-brake state to a brake state by using an electric power that remains after a start of a power failure of a commercial power source. The drive further has a first power failure detecting section 11 which, when a power failure of the commercial power source is detected, transmits a first power failure detection signal 21; and a controlling section 4 which, when the first power failure detection signal 21 is transmitted in a fast-forwarding state or a rewinding state, transfers the non-brake state of the brake mechanism section to the brake state.
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