Location History:
- Pasadena, CA (US) (1989 - 1990)
- Taipei, TW (1992)
Company Filing History:
2 out of 2,546 
1 out of 4,556 
1 out of 123 Years Active: 1989-1992
Title: In-Shek Hsu: Innovator in VLSI Architecture
Introduction
In-Shek Hsu is a notable inventor based in Pasadena, California. He has made significant contributions to the field of VLSI architecture, particularly in the development of Reed-Solomon coding systems. With a total of 4 patents to his name, Hsu's work has had a lasting impact on digital communication technologies.
Latest Patents
Hsu's latest patents include innovative designs that enhance the efficiency and functionality of Reed-Solomon decoders and encoders. One of his key inventions is a VLSI architecture for a Reed-Solomon decoder. This invention partitions a basic single-chip building block into multiple sections, featuring syndrome subcells equipped with programmable finite-field multipliers that can operate in either 10-bit or 8-bit modes. This flexibility allows for the assembly of RS decoders of varying sizes, tailored to specific operational needs.
Another significant patent is the VLSI single-chip (255,223) Reed-Solomon encoder with interleaver. This invention introduces a concatenated coding system that combines a Reed-Solomon outer code with a convolutional inner code. By utilizing interleaving, the system effectively constrains errors to a single symbol within a frame, enabling efficient correction by the outer decoder. The design allows for interleaving at the receiver, enhancing the overall reliability of data transmission.
Career Highlights
Throughout his career, In-Shek Hsu has worked with prestigious organizations, including the United States of America as represented by the Administrator and the California Institute of Technology. His work has been instrumental in advancing the field of digital communications and error correction coding.
Collaborations
Hsu has collaborated with notable colleagues such as Trieu-Kie Truong and Leslie J Deutsch. These partnerships have contributed to the successful development and implementation of his innovative technologies.
Conclusion
In-Shek Hsu's contributions to VLSI architecture and Reed-Solomon coding systems have established him as a prominent figure in the field of digital communications. His innovative patents continue to influence the development of reliable data transmission technologies.