SIGNAL PROCESSING DEVICE, MAGNETIC TAPE DRIVE, MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, PROGRAM, SIGNAL PROCESSING METHOD, AND MAGNETIC TAPE MANUFACTURING METHOD

• Main Authors: NAKAO TORU, AKANO YOICHI, KANEKO TETSUYA
• Format: Patent
• Language: English; Japanese
• Published: 12.10.2023
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

To provide a signal processing device, a magnetic tape drive, a magnetic tape, a magnetic tape cartridge, a program, a signal processing method, and a magnetic tape manufacturing method capable of easily identifying a deviation amount between servo patterns having a correspondence relationship between servo bands adjacent to each other in a width direction of the magnetic tape.SOLUTION: A magnetic head includes a pair of servo reading elements corresponding to a pair of servo bands adjacent to each other in a width direction. A processor acquires a first signal based on a first result obtained by reading a servo pattern in a first servo band by a first servo reading element included in a pair of servo reading elements, acquires a second signal based on a second result obtained by reading a servo pattern in a second servo band by a second servo reading element included in the pair of servo reading elements, and outputs a deviation amount signal corresponding to a deviation amount in time between the first signal and the second signal.SELECTED DRAWING: Figure 14 【課題】磁気テープの幅方向で隣接するサーボバンド間で対応関係にあるサーボパターン間のずれ量を簡便に特定することができる信号処理装置、磁気テープドライブ、磁気テープ、磁気テープカートリッジ、プログラム、信号処理方法、及び磁気テープ製造方法を提供する。【解決手段】磁気ヘッドは、幅方向で隣接する一対のサーボバンドに対応する一対のサーボ読取素子を有する。プロセッサは、第１サーボバンド内のサーボパターンが一対のサーボ読取素子に含まれる第１サーボ読取素子によって読み取られた第１結果に基づく第１信号を取得し、第２サーボバンド内のサーボパターンが一対のサーボ読取素子に含まれる第２サーボ読取素子によって読み取られた第２結果に基づく第２信号を取得し、第１信号と第２信号との時間のずれ量に対応するずれ量信号を出力する。【選択図】図１４