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公开(公告)号：US09373355B1
公开(公告)日：2016-06-21
申请号：US14611122
申请日：2015-01-30
CPC分类号： G11B20/10046
摘要： The disclosure is related to systems and methods of compensating for interference via a multi-reader system. A transducer or read/write head may include a write element and multiple read elements. A compensation circuit can be configured to process read signals from the multiple read elements to reduce noise within the read signals, such as caused by the writer being simultaneously active or for other reasons. The read signals may be combined to produce a compensated read signal that has less noise than the original read signals.
摘要翻译： 本公开涉及通过多读取器系统补偿干扰的系统和方法。 换能器或读/写头可以包括写入元件和多个读取元件。 补偿电路可以被配置为处理来自多个读取元件的读取信号，以减少读取信号中的噪声，例如由写入器同时激活或由于其它原因引起的噪声。 读取信号可以被组合以产生具有比原始读取信号更小的噪声的经补偿的读取信号。
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公开(公告)号：US10255943B1
公开(公告)日：2019-04-09
申请号：US15982929
申请日：2018-05-17
发明人： Thomas Lee Schick , Timothy F Ellis
摘要： An apparatus may include a preamplifier configured to be connected to a plurality of magnetic read/write heads, wherein each of the magnetic read/write heads includes a read sensor to read data from a disc and a write element to write data to the disc. The preamplifier may include a first set of registers configured to indicate a first head of the plurality of magnetic read/write heads that is selected for reading data, a second set of registers configured to indicate a second head of the plurality of magnetic read/write heads that is selected for reading data, an input line configured to receive a control signal to activate reading data from the first head substantially simultaneously with reading data from the second head, a first output to provide data from the first head, and a second output to provide data from the second head.
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