18454636. DISK DEVICE simplified abstract (Kabushiki Kaisha Toshiba)
Contents
DISK DEVICE
Organization Name
Inventor(s)
Toru Watanabe of Kawasaki Kanagawa (JP)
DISK DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18454636 titled 'DISK DEVICE
According to one embodiment, a disk device includes a disk-shaped recording medium, a magnetic head with a write head, a read head, and a heater, and a controller with a reference signal generator outputting a reference signal matching the high-frequency component of a gap measurement signal recorded in the medium.
- The disk device features a magnetic head with a write head, a read head, and a heater for optimal performance.
- The controller generates a reference signal with a constant voltage amplitude to match the frequency of the high-frequency component in the recording medium.
- A measurer is included to measure the component amplitude of the reproduced signal of the gap measurement signal and the amplitude of the reference signal.
- The heater controller adjusts the power value of the heater based on the measured values of the component amplitude and the amplitude of the reference signal.
Potential Applications: - Data storage devices - Magnetic recording technology - Information retrieval systems
Problems Solved: - Ensuring accurate gap measurements in disk devices - Optimizing the performance of magnetic heads in recording mediums
Benefits: - Improved data storage efficiency - Enhanced accuracy in gap measurements - Increased reliability in information retrieval systems
Commercial Applications: Title: Advanced Magnetic Head Technology for Data Storage Devices This technology can be utilized in the development of high-performance data storage devices for commercial use, enhancing data storage efficiency and reliability in various industries.
Prior Art: Researchers can explore prior studies on magnetic head technology, gap measurements in recording mediums, and controller systems in disk devices to understand the evolution of this technology.
Frequently Updated Research: Researchers are continually exploring advancements in magnetic head technology, gap measurement accuracy, and controller systems to enhance the performance of disk devices.
Questions about Magnetic Head Technology: 1. How does the reference signal generator contribute to the accuracy of gap measurements in disk devices? The reference signal generator outputs a reference signal with a constant voltage amplitude to match the high-frequency component of the gap measurement signal, ensuring precise measurements.
2. What role does the heater play in optimizing the performance of the magnetic head in the disk device? The heater controls the power value supplied to the magnetic head based on the measured values of the component amplitude and the amplitude of the reference signal, enhancing the efficiency and reliability of the device.
Original Abstract Submitted
According to one embodiment, a disk device includes a disk-shaped recording medium, a magnetic head including a write head, a read head, and a heater, and a controller including a reference signal generator outputting a reference signal having a constant voltage amplitude at the same frequency as a high-frequency component of a gap measurement signal recorded in the recording medium, a measurer measuring a component amplitude of a reproduced signal of the gap measurement signal and an amplitude of the reference signal, and a heater controller controlling a power value of heater power supplied to the heater based on the measured values of the component amplitude and the amplitude of the reference signal.
