This inventor holds 3 USPTO granted patents. Top assignee: Prime Computer Inc.. Active years: 1987.
Location History:
- Framingham, MA (US) (1987)
- Holliston, MA (US) (1987)
Company Filing History:
Years Active: 1987
Title: Alexander J Stevenson: Innovator in Magnetic Tape Technology
Introduction
Alexander J Stevenson is a notable inventor based in Framingham, MA (US). He has made significant contributions to the field of technology, particularly in magnetic tape drives. With a total of 3 patents to his name, Stevenson has demonstrated a commitment to innovation and advancement in his field.
Latest Patents
One of Stevenson's latest patents is the "Magnetic tape drive controller utilizing dual DMA controllers." This invention is designed for use with magnetic tape drives and features multiple buffer memories for temporarily storing data exchanged between the tape drive and a host computer system. The temporary storage capability allows for data rewriting on the tape if the initial writing is faulty and enables reconstruction of erroneously recorded data. The controller operates with two independent direct memory access circuits, ensuring efficient data transfer between the host computer and the tape drive. Additionally, it includes a serial input/output unit that formats and decodes data, allowing for synchronous decoding and 'on the fly' error correction.
Another significant patent is the "Digital logic bus termination using the input clamping Schottky diodes." This invention involves a digital logic bus termination module designed to be plugged into a TTL logic backplane bus. The module includes a TTL logic circuit chip package with multiple terminals, including a reference terminal, input terminal, and output terminal. The design incorporates a Schottky diode connected to the input terminal, serving as a bus termination clamping means. This innovative approach enhances the performance of digital logic circuits.
Career Highlights
Stevenson has worked at Prime Computer Inc., where he has been able to apply his inventive skills and contribute to the company's technological advancements. His work has had a lasting impact on the industry, particularly in the realm of data storage and processing.
Collaborations
Throughout his career, Stevenson has collaborated with notable colleagues, including David M Lounsbury and Gordon A Ross. These partnerships have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.
Conclusion
Alexander J Stevenson is a distinguished inventor whose work in magnetic tape technology has paved the way for advancements in data storage and processing. His patents reflect a deep understanding of technology and a commitment to innovation.