Jeffrey Don Andress

Title: The Innovations of Jeffrey Don Andress

Introduction

Jeffrey Don Andress is a notable inventor based in Edmond, OK (US). He has made significant contributions to the field of data storage technology, holding a total of 5 patents. His work primarily focuses on improving the performance and efficiency of servo control systems in disc drives.

Latest Patents

One of his latest patents is titled "Rangeless Servo Notch Optimization." This invention presents a method for placing a predetermined number of notch filters in a disc drive servo control system to attenuate noise frequencies. The process involves calculating an open loop response for a response spectrum of the drive, applying notch filters for noise frequencies that exceed a threshold, and iterating this process until the desired number of filters is achieved.

Another significant patent is "Motor Torque Constant Variation Compensation." This method and apparatus address the decrease in the torque constant of an actuator motor in a data storage device. The invention allows for adjustments in the servo circuit to ensure that the head moves accurately from one track to another, maintaining optimal performance even when the motor's torque constant varies.

Career Highlights

Jeffrey Don Andress is currently employed at Seagate Technology Incorporated, a leading company in data storage solutions. His innovative work has contributed to advancements in the efficiency and reliability of data storage devices.

Collaborations

Throughout his career, Andress has collaborated with talented individuals such as Ryan Todd Lyle and Kenneth Lee Pottebaum. These collaborations have further enhanced the development of his innovative technologies.

Conclusion

Jeffrey Don Andress is a prominent inventor whose work in data storage technology has led to several important patents. His contributions continue to shape the future of servo control systems in disc drives, demonstrating the impact of innovation in this field.