Company Filing History:
Years Active: 1981-1992
Title: **Innovations by Ki S Chang: Pioneering Patents in Dynamic Memory Technology**
Introduction
Ki S Chang is a prominent inventor based in Houston, Texas, known for his significant contributions to the field of dynamic memory technology. With a portfolio of five patents, Chang has demonstrated exceptional innovation in creating advanced solutions for electronic devices, particularly in memory architectures. His work has had a substantial impact on the efficiency and reliability of memory systems in the tech industry.
Latest Patents
Among his latest innovations, Ki S Chang has developed an apparatus and method for providing notification of bit-cell failure in an erasable, programmable ROM. This invention incorporates multiple redundant bit-cell arrays and an error-flagging circuit that detects failures and provides notifications. The design uses a series of XOR gates to identify discrepancies in logic states, while a NOR gate signals when a failure occurs, enhancing the reliability of memory storage.
Another notable patent involves a process and device for refreshing an array of dynamic memory cells. This innovative device refreshes memory cells row by row during the precharging of bit or column lines, ensuring that data integrity is maintained during access operations. The refresh circuits effectively connect to the row line, utilizing shift register stages to indicate which rows are to be refreshed. This approach optimizes performance by employing sequential refresh signals to alternate between rows, allowing for efficient memory management.
Career Highlights
Ki S Chang is currently associated with Texas Instruments Corporation, where he continues to drive advancements in memory technology. His role at the company has enabled him to foster innovations that address the evolving needs of the electronics market. With a strong foundation in engineering and a keen eye for commercial application, Chang has established himself as a leading figure in his field.
Collaborations
Throughout his career, Ki S Chang has collaborated with talented colleagues, including Michael W Patrick and Stephen P Sacarisen. These partnerships have not only contributed to the development of his patents but have also facilitated knowledge sharing and cross-disciplinary innovation within Texas Instruments Corporation and beyond.
Conclusion
Ki S Chang's work exemplifies the spirit of innovation that drives the technology sector forward. His patents in dynamic memory systems showcase his commitment to enhancing electronic device reliability and efficiency. As technology continues to evolve, the contributions of inventors like Chang will remain crucial in shaping the future of the industry.