Company Filing History:
5 out of 628 
1 out of 5,349 
1 out of 27 Years Active: 1976-1987
Title: The Innovative Contributions of Ross W Johnston
Introduction
Ross W Johnston is a notable inventor based in Norristown, Pennsylvania, with a remarkable portfolio of seven patents. His work primarily focuses on advancements in tape recording and retrieval systems, showcasing his expertise in engineering and innovation.
Latest Patents
Among his latest inventions is the "Rotating head apparatus including a flying tape edge guide." This invention features a tape recording and retrieving system that utilizes a helically-wrapped tape around a cylindrical headwheel. The design allows the tape to be hydrodynamically lifted above the headwheel's surface during rotation, significantly reducing wear on both the headwheel and the edge guides. Another significant patent is the "Pneumatic tension sensor," which integrates a tension sensor within a fluid bearing that supports a flexible tape. This innovative sensor measures the pressure within a chamber, which is directly proportional to the tape's tension, enhancing the efficiency of tape handling.
Career Highlights
Throughout his career, Ross W Johnston has made significant contributions while working for prominent companies such as Sperry Rand Corporation and RCA Inc. His experience in these organizations has undoubtedly shaped his inventive capabilities and understanding of complex systems.
Collaborations
Ross has collaborated with notable individuals in the field, including Roy D Thomas and Barrie W Witty. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Ross W Johnston's contributions to the field of tape recording technology and his innovative patents reflect his dedication to advancing engineering solutions. His work continues to influence the industry and inspire future inventors.