John C Kuklewicz

Title: Innovations of John C Kuklewicz

Introduction

John C Kuklewicz is a notable inventor based in Sunnyvale, California. He holds three patents that showcase his contributions to technology, particularly in the field of disk drive systems. His work has significantly impacted the efficiency and performance of data storage devices.

Latest Patents

One of his latest patents is the "Track seek recovery system and method." This invention involves a sophisticated process where, at the conclusion of a track seek operation, the handoff to track following servo control is delayed for a short time. During this period, the drive microprocessor determines if the head has failed to stop at the target track by sensing a predetermined number of track crossing pulses. The detection of these pulses leads to the iterative generation and application of braking current pulses to the head actuator motor. The amplitude and duration of each braking current pulse are carefully chosen to slow the head's forward motion to a predetermined percentage of its pre-existing velocity. The microprocessor routine also includes provisions for determining when the head has slowed sufficiently to allow the track following servo to take control. Once the head is stopped on a track, a short seek is executed to return it to the desired target track.

Another significant patent is the "Position mode track seek servo for high capacity disk drive system." This invention employs position mode servo control during the arrival phase of long seeks and throughout relatively short seeks. The control locks an actual tracking error feedback signal to a microprocessor-synthesized reference tracking error signal. The feedback loop utilizes a combination of a synchronous demodulator and a phase-frequency detector to achieve excellent locking performance across the entire frequency spectrum of the synthesized reference tracking error signal.

Career Highlights

Throughout his career, John C Kuklewicz has worked with prominent companies such as Literal Corporation and Advanced Micro Devices Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of technology.

Collaborations

John has collaborated with notable individuals in his field, including Jerome F Richgels and Ingolf Sander. These collaborations have contributed to the advancement of his inventions and the overall progress in disk drive technology.

Conclusion

John C Kuklewicz is a distinguished inventor whose work has made significant contributions to the field of data storage technology. His innovative patents reflect his expertise and dedication to improving disk drive systems.