John R Haglund

Title: John R. Haglund: Innovator in Data Recording Systems

Introduction

John R. Haglund is a notable inventor based in Redwood City, CA (US), recognized for his contributions to data recording technology. With a total of 2 patents, he has made significant advancements in the field of tape recording systems.

Latest Patents

Haglund's latest patent focuses on a data recording system that boasts improved bookkeeping capabilities. This helical type tape recording and reproducing system is designed to record blocks of user data of predetermined size by reformatting these blocks into physical blocks that are recorded on tape. Each physical block is recorded as a double frame across a set of 32 successive helical tracks. The double frames contain system format data interleaved with user data, which includes a sequence number for each physical block. This feature allows the system to determine if any physical block has been lost during reproduction. Additionally, the system incorporates a partition access bookkeeping feature that stores information about locations where searching or recording has occurred during the current load of tape, enhancing the efficiency of data retrieval.

Career Highlights

Throughout his career, John R. Haglund has worked with prominent companies, including Ampex Corporation. His work has significantly influenced the development of data recording technologies.

Collaborations

Haglund has collaborated with various professionals in the field, including his coworker Lionel C. Shih.

Conclusion

John R. Haglund's innovative contributions to data recording systems have paved the way for advancements in technology. His patents reflect a commitment to improving data management and retrieval processes.