Tape servo system

The tape servo system typically consists of a tape transport servo part, which is responsible for maintaining a constant tape velocity, and the track-follow part, which controls the lateral/rotational position of the head with respect to the tape (see Figure 1). The pre-formatted servo pattern and two active servo channels provide tape-to-head position and skew angle information to the track-follow control system.

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Track-follow control system

Figure 1. Tape transport and
track-follow control systems.

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