Location History:
- Tucson, AZ (US) (1994)
- Rochester, MN (US) (1995 - 2002)
Company Filing History:
Years Active: 1994-2002
Title: Innovations by Douglas W Johnson
Introduction
Douglas W Johnson is a notable inventor based in Rochester, MN (US). He has made significant contributions to the field of data storage technology, holding a total of 12 patents. His work focuses on optimizing data storage solutions, which are crucial in today's data-driven world.
Latest Patents
One of his latest patents is titled "Method and apparatus for a real and positional optimization of a storage disk data zone." This patent discloses a method and architecture for optimizing the location of the data zone on a data storage disk. The data zone is preferably biased toward the outer diameter of the disk, and it is referenced to a data zone starting location established near a load/unload ramp apparatus. The optimum starting location for the data zone of an initially unformatted data storage disk is determined by contacting the load/unload ramp with the transducer assembly, disengaging the transducer assembly from the ramp, and writing servo information indicative of the data zone starting location at a disk location close to the ramp and transducer assembly contact point. Additionally, servo information indicative of the data zone is written at an inner diameter disk location concerning the optimum data zone starting location. The optimized data zone architecture may have a predetermined or variable data storage capacity.
Another significant patent is the "Direct mounting system for a disk drive." This patent describes a disk drive for storing data, which includes disks and an actuator mounted on a frame or first housing part. A second housing part, when joined with the first housing part, forms a disk enclosure. The disk enclosure includes rails with openings for mounting the disk drive to the user frame of a computer system. Deformable inserts are placed into the openings in the rails, allowing screws to pass through openings in the frame of the computer system and into the inserts. This design results in less distortion and electrically insulates the disk drive from the user frame of the computer system.
Career Highlights
Douglas W Johnson is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of data storage technology. His work has had a significant impact on the efficiency and reliability of data storage systems.
Collaborations
Some of his notable coworkers include Steven L Felde and Jeffrey Fred Boigenzahn, who have collaborated with him on various projects within the company.
Conclusion
Douglas W Johnson's contributions to data
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