John R Cogley, Jr

Title: Innovations of John R Cogley, Jr.

Introduction

John R Cogley, Jr. is a notable inventor based in Covina, California. He has made significant contributions to the field of digital tape systems, showcasing his innovative spirit through his patented technology.

Latest Patents

Cogley holds a patent for a "Compact, real time tape drive system." This nine-track digital tape system operates using a feedback shift register redundancy scheme. It includes arrangements for shifting successive bytes of information by one digit place, and adding the shifted bytes to provide a 'low product' and a 'high product.' These products constitute an address or 'pointer' to a modifier table, from which a modifier value is obtained to be added to the 'low product.' In the error correction circuitry, additional tables utilize a sample parity error vector and an identification of the columns in which errors occur as 'pointers.' This data is used to calculate error correction vectors. The unique circuitry provides a simple, high-speed error correction system without relying on feedback registers and complex decoding hardware.

Career Highlights

Cogley is associated with Qualstar Corporation, where he has applied his expertise in developing advanced tape drive systems. His work has contributed to the efficiency and reliability of data storage solutions.

Conclusion

John R Cogley, Jr. exemplifies innovation in the realm of digital tape systems, with his patented technology paving the way for advancements in error correction and data management.