Company Filing History:
Years Active: 2000-2002
Title: Innovations of Zhiqiang Liu in Disc Drive Technology
Introduction
Zhiqiang Liu is a notable inventor based in Oklahoma City, OK (US), recognized for his contributions to disc drive technology. He holds a total of 4 patents, showcasing his innovative approach to solving complex engineering challenges in the field.
Latest Patents
Liu's latest patents include groundbreaking inventions aimed at enhancing the performance and reliability of disc drives. One of his significant patents is for an "Adaptive attenuation of multi-axis vibrational disturbance." This invention provides an apparatus and method for mitigating the effects of externally generated vibrations on disc drives. The system utilizes a sensor network to generate acceleration signals along different axes, which are then processed by an adaptive filter network to produce a compensation signal. This signal is crucial for maintaining the accuracy of the read/write head's position.
Another notable patent is focused on "Current profile shaping to reduce disc drive seek time variation and acoustic noise generation." This invention outlines a method for reducing acoustic noise during the seek operation of a disc drive. By applying a carefully designed current command profile to the actuator motor, Liu's invention ensures smoother transitions and minimizes noise, thereby improving the overall user experience.
Career Highlights
Zhiqiang Liu has made significant strides in his career, particularly through his work at Seagate Technology Incorporated. His innovative patents have contributed to advancements in disc drive technology, making them more efficient and reliable for consumers.
Collaborations
Liu has collaborated with esteemed colleagues such as Otis L. Funches and Randall D. Hampshire, further enhancing the impact of his work in the industry.
Conclusion
Zhiqiang Liu's contributions to disc drive technology through his innovative patents demonstrate his expertise and commitment to advancing engineering solutions. His work continues to influence the field, ensuring better performance and reliability in disc drives.