Hjalmar H Ottesen

Title: Hjalmar H Ottesen: Innovator in Data Processing Systems

Introduction

Hjalmar H Ottesen is a notable inventor based in Rochester, MN (US). He has made significant contributions to the field of data processing systems, holding a total of 3 patents. His work has focused on enhancing the efficiency and reliability of disk drive systems.

Latest Patents

Ottesen's latest patents include a "Method and apparatus for programmably controlling spindle." This invention discloses a data processing system featuring a direct access storage device (DASD) subsystem with multiple physical housings. Each housing contains disk supporting spindles whose rotational velocity is synchronized, allowing for locked rotational positions. This innovation reduces latency time during read operations while ensuring data integrity through redundant data files. Another significant patent is for "deadbeat control of disk drive actuator." This technology enables a servo-controlled device, such as a disk drive actuator, to settle at a target position in minimal time without steady-state error or ripple between sampling instants. The design and initial conditions of the device facilitate deadbeat control by managing the control current effectively.

Career Highlights

Hjalmar H Ottesen is currently employed at International Business Machines Corporation (IBM). His work at IBM has allowed him to explore and develop advanced technologies in data processing and control systems.

Collaborations

Throughout his career, Ottesen has collaborated with notable coworkers, including Michael Charles Stich and John B Resman. These collaborations have contributed to the advancement of innovative technologies in their respective fields.

Conclusion

Hjalmar H Ottesen's contributions to data processing systems through his patents and work at IBM highlight his role as a significant innovator in the industry. His inventions continue to influence the efficiency and reliability of modern data storage solutions.