This inventor holds 2 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1980-1981.
Company Filing History:
Years Active: 1980-1981
Title: Joannus H Sieben: Innovator in Magnetic Tape Technology
Introduction
Joannus H Sieben is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of magnetic tape technology, holding 2 patents that showcase his innovative spirit and technical expertise.
Latest Patents
One of his latest patents is for a magnetic tape cassette that features two tape winding reels with associated brake levers. These levers are pivotable between a disengaged position and a braking position, allowing for slight rotation of the reels to tension the tape when the cassette is not in use. This design maximizes the rotation of the winding reels within the limited space of the cassette. The brake levers can be actuated from outside the cassette, ensuring ease of use.
Another significant patent is for a magnetic tape drive system designed for video cassette recorders. This system includes a flip-over magnetic tape cassette with side-by-side reel hubs. Each hub is equipped with a disc-shaped centering and drive member, which ensures correct positioning and drive of the spools. The design prevents undesired variations in the tensile stress of the magnetic tape, thus maintaining its integrity during operation.
Career Highlights
Joannus H Sieben is associated with U.S. Philips Corporation, where he has contributed to advancements in magnetic tape technology. His work has played a crucial role in enhancing the functionality and reliability of magnetic tape systems.
Collaborations
Throughout his career, Joannus has collaborated with notable colleagues, including Cornelis P Van Nie and Franz Werner. Their combined efforts have led to innovative solutions in the field of magnetic tape technology.
Conclusion
Joannus H Sieben's contributions to magnetic tape technology through his patents and work at U.S. Philips Corporation highlight his role as a key innovator in this field. His inventions continue to influence the development of magnetic tape systems, showcasing the importance of innovation in technology.