18600894. MAGNETIC DISK DEVICE simplified abstract (Kabushiki Kaisha Toshiba)

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MAGNETIC DISK DEVICE

Organization Name

Kabushiki Kaisha Toshiba

Inventor(s)

Takuji Matsuzawa of Kashiwa Chiba (JP)

MAGNETIC DISK DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18600894 titled 'MAGNETIC DISK DEVICE

Simplified Explanation: The patent application describes a magnetic disk device that includes a loop shaping filter by a digital filter to improve performance.

  • The loop shaping filter is parallel to a controller and has a peak at a specific frequency.
  • The coefficients of the filter are determined by a sensitivity function and the controlled object.
  • The coefficients of the filter are adjusted based on changes in the sampling period of servo information.

Key Features and Innovation:

  • Implementation of a loop shaping filter by a digital filter in a magnetic disk device.
  • Use of coefficients determined by a sensitivity function and the controlled object.
  • Adjustment of filter coefficients based on changes in sampling period of servo information.

Potential Applications: The technology can be applied in the development of high-performance magnetic disk devices for data storage applications.

Problems Solved: The technology addresses the need for improved performance and stability in magnetic disk devices.

Benefits:

  • Enhanced performance and stability in magnetic disk devices.
  • Improved control over servo information sampling period.

Commercial Applications: The technology can be utilized in the manufacturing of advanced magnetic disk devices for data storage solutions, catering to industries such as data centers and cloud storage providers.

Prior Art: Readers interested in prior art related to this technology can explore research papers and patents in the field of magnetic disk devices and digital filters.

Frequently Updated Research: Researchers are continuously exploring ways to optimize loop shaping filters in magnetic disk devices for better performance and efficiency.

Questions about Magnetic Disk Device Technology: 1. How does the loop shaping filter by a digital filter improve the performance of magnetic disk devices? 2. What are the potential implications of adjusting filter coefficients based on changes in the sampling period of servo information?


Original Abstract Submitted

According to one embodiment, a magnetic disk device includes a loop shaping filter by a digital filter, which is disposed in parallel to a controller, having a peak at certain frequency, and coefficients of which are determined by a sensitivity function and a controlled object, wherein the coefficients of the loop shaping filter of the digital filter based on a change in a sampling period of servo information.