David Johnson

Title: David Johnson - Innovator in Magnetic Disc Memory Technology

Introduction

David Johnson is a notable inventor based in Portland, Connecticut. He has made significant contributions to the field of magnetic disc memory technology. With a total of 2 patents to his name, Johnson has demonstrated his expertise and innovative spirit in developing advanced memory units.

Latest Patents

Johnson's latest patents include a magnetic disc memory unit that features a pair of read/write heads mounted on a pivot arm. This arm is driven by a stepper motor, allowing the heads to move in an arc and retract to a landing position when the unit is shut down. The design incorporates several features to minimize vibration and temperature issues, making it suitable for extreme environments. These features include a rotary table, a rotary mounted spindle made from different materials, pre-loaded elastomeric 'O' rings, and an electrically conductive ball for grounding.

Another patent by Johnson describes a similar magnetic disc memory unit, where the read/write heads are driven by a continuous belt. This design allows for linear movement of the heads, which also retract to a landing position when the unit is not in use. The counterbalance assembly in the heads carriage structure enables operation at various altitudes while minimizing vibration and shock.

Career Highlights

David Johnson is currently employed at Raymond Engineering Inc., where he continues to innovate and develop cutting-edge technology in the field of memory units. His work has contributed to advancements in data storage solutions, enhancing performance and reliability.

Collaborations

Johnson has collaborated with notable coworkers, including James A. Augeri and Paul R. Young. Their combined expertise has fostered a creative environment that encourages innovation and problem-solving.

Conclusion

David Johnson's contributions to magnetic disc memory technology highlight his role as a significant inventor in the field. His innovative designs and patents reflect a commitment to advancing technology and improving data storage solutions.