Company Filing History:
8 out of 2,775 
1 out of 8 
1 out of 1,709 Years Active: 1982-1994
Title: **Paul S Chang: Innovator in Data Transmission Systems**
Introduction
Paul S Chang is a prolific inventor based in Harrisburg, PA, whose innovative work has led to ten patents in various technologies, particularly focusing on data transmission systems. His contributions are valuable to advancements in multiplexing systems, making data communication more efficient and reliable.
Latest Patents
Among his notable inventions, Chang's recent patents include an "Error recovery arrangement in a time division multiplex data" and a "System for defining data transmission protocols in a multiplexing system." The first patent describes a sophisticated system for defining and controlling data transmissions. It features a host controller communicating bi-directionally with multiple remote stations or nodes, utilizing simple frame flags to indicate varying periods of inactivity. The setup ensures valid transmissions rely on specific counts of data digits. Additionally, the error recovery arrangement activates when the received digit count does not meet expected parameters, adapting the response based on actual received digits. The second patent also revolves around multiplexing systems and aims to enhance data transmission protocols, demonstrating his substantial knowledge and innovation in this field.
Career Highlights
Throughout his career, Paul S Chang has worked with prominent companies, including Amp LLC and The Whitaker Company. His expertise in data transmission technologies has made significant contributions to these companies, supporting the development of systems that improve communication efficiency.
Collaborations
Chang has collaborated with various professionals in the industry, including Lee W Steely and Keith James McKechnie. These partnerships have undoubtedly enriched his work, allowing him to tackle complex challenges in the field of data communications.
Conclusion
Paul S Chang's contributions to the realm of data transmission are noteworthy. With ten patents to his name, he has established himself as an influential inventor in this technology sector. His latest innovations and collaborations reflect a commitment to advancing communication systems, further highlighting the impact of his work in the industry.