Company Filing History:
Years Active: 1989-1995
Title: Gregory J Kerwin: Innovator in Magnetic Data Storage Technologies
Introduction
Gregory J Kerwin is a notable inventor based in Rochester, MN (US). He has made significant contributions to the field of magnetic data storage technologies, holding a total of 5 patents. His work focuses on enhancing the performance and reliability of magnetoresistive (MR) read heads in magnetic disk drives.
Latest Patents
One of his latest patents is the "Individual MR transducer head/disk/channel adaptive bias current system." This invention discloses a method and apparatus for adaptively controlling the biasing current applied to MR read heads within a magnetic disk drive. The system optimizes the bias for each head/disk/channel component combination, ensuring that the optimized bias current is ascertained and stored on the disk surface during manufacturing. This allows for efficient application of bias current during power-up operations.
Another significant patent is the "Thermal asperity compensation for PRML data detection." This invention provides an apparatus and method for thermal asperity compensation in a partial-response maximum-likelihood (PRML) data channel. The system includes an analog to digital converter (ADC) and adjusts its normal operating range in response to detected thermal asperities, thereby enhancing data detection reliability.
Career Highlights
Gregory J Kerwin is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of data storage technologies. His work has been instrumental in advancing the capabilities of magnetic disk drives, contributing to the overall efficiency and performance of data storage solutions.
Collaborations
Some of his notable coworkers include Richard Leo Galbraith and Jonathan Darrel Coker. Their collaborative efforts have furthered the development of innovative technologies in the field.
Conclusion
Gregory J Kerwin's contributions to magnetic data storage technologies have made a significant impact on the industry. His innovative patents and ongoing work at IBM continue to shape the future of data storage solutions.