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1. 发明授权

US09099127B1 Dual magnetic sensor for multi-input magnetic recording 有权
标题翻译：双磁传感器，用于多输入磁记录
公开(公告)号：US09099127B1
公开(公告)日：2015-08-04
申请号：US14292749
申请日：2014-05-30
申请人： HGST Netherlands B. V.
发明人： Taku Shintani , Yohji Maruyama , Kouichi Nishioka , Masafumi Mochizuki
IPC分类号： G11B5/39 , G11B5/02
CPC分类号： G11B5/3945 , G11B5/02 , G11B5/265 , G11B5/3163 , G11B5/3954 , G11B5/3974 , G11B5/4886
摘要： A magnetic read head and associated circuitry for reducing side track noise and decreasing read width, thereby providing increased data density. The magnetic read head includes first and second sensor elements that are aligned with one another in a data track direction, with the first sensor element being wider than the second sensor element. Electrical circuitry is connected with the read head in such a manner as to read a first signal from the first sensor element and a second signal from a second sensor element. Because the second sensor element is wider than the first sensor element, it will read more side signal noise from adjacent data tracks than will the second sensor element. The circuitry connected with the first and second sensor element detects and distinguishes the side signal noise and separates it out from the data signal, based sensor width difference and location difference.
摘要翻译：磁读头和相关电路，用于减少侧轨噪声和减小读宽，从而提高数据密度。磁读头包括在数据轨道方向上彼此对准的第一和第二传感器元件，其中第一传感器元件比第二传感器元件宽。电路与读头连接，以便从第一传感器元件读取第一信号和从第二传感器元件读取第二信号。由于第二传感器元件比第一传感器元件更宽，因此它将从第二传感器元件读出相邻数据轨道的更多侧信号噪声。与第一和第二传感器元件连接的电路检测和区分侧信号噪声，并根据传感器宽度差和位置差将其与数据信号分离。

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