Company Filing History:
Years Active: 2002-2006
Title: Innovations of Charles E MacDonald
Introduction
Charles E MacDonald is a notable inventor based in Los Gatos, California. He has made significant contributions to the field of magnetic recording technology. With a total of 2 patents to his name, his work has had a considerable impact on data encoding and decoding methods.
Latest Patents
One of his latest patents is titled "High rate product code decoding for partial response channel." This invention focuses on a detector for high-density magnetic recording channels and other partial response channels. The method involves decoding a high rate product code, utilizing a row detector to identify the most likely codeword and error sequence for each row. Additionally, a column processor is employed to correct any remaining errors based on column parity bits. The row detector can be implemented through a 2-VA detector or a conventional VA detector combined with a bank of matched filters.
Another significant patent is the "Rate 64/65 (d=0, G=11/I=10) run length limited modulation code." This invention describes a system and method for encoding a sequence of 64-bit digital data words into 65-bit codewords. The encoding process includes dividing each 64-bit digital data word into 8-bit bytes, encoding two 8-bit bytes to form a 17-bit word, and forming five 11-bit intermediate blocks from the 8-bit bytes. The method culminates in concatenating the encoded blocks and additional bits to create a 65-bit codeword.
Career Highlights
Charles E MacDonald has had a distinguished career, working at LSI Logic Corporation. His expertise in magnetic recording technology has positioned him as a key figure in the industry. His innovative approaches to data encoding and decoding have paved the way for advancements in data storage solutions.
Collaborations
Throughout his career, Charles has collaborated with notable colleagues such as Joseph Caroselli and Shirish A Altekar. These partnerships have contributed to the development of groundbreaking technologies in the field.
Conclusion
Charles E MacDonald is a prominent inventor whose work in magnetic recording technology has led to significant advancements in data encoding and decoding methods. His contributions continue to influence the industry and inspire future innovations.