Company Filing History:
Years Active: 1986-1991
Title: John M Jeffers: Innovating the Future of Broadcasting and Cryptography
Introduction
John M Jeffers, based in Downsview, CA, is a distinguished inventor known for his impactful contributions to the fields of broadcasting and secure communications. With a total of five patents to his name, Jeffers has demonstrated his expertise in creating innovative solutions that enhance the functionality and security of television transmission and data encryption.
Latest Patents
Among his latest patents, Jeffers developed a "Geographic Black-out Method for Direct Broadcast Satellite System". This invention facilitates the broadcast of television programs to various receiver units across different geographic areas. Each unit stores a designation code indicative of its location and a blackout tier indication. Before a broadcast, the system sends tailored messages to each unit, ensuring seamless management of broadcast restrictions based on geographic location.
Another notable patent is the "Cryptographic System Using Interchangeable Key Blocks and Selectable Key". This technology enhances the secure transmission of digitized signals to multiple receivers. It allows for the generation of a variable key comprised of two blocks of key fragments, which facilitates dynamic encryption to safeguard data during transmission. This innovative approach not only ensures increased security but also provides for flexibility in key management.
Career Highlights
John M Jeffers has carved out a significant career at General Instrument Corporation, where he has applied his expertise in the development of advanced communication technologies. His ability to conceptualize and implement robust systems has contributed to the company's reputation as a leader in the industry.
Collaborations
Throughout his career, Jeffers has collaborated with notable colleagues such as Donald R Horne and S Wayne Mundy. Their cooperative efforts have fueled the creative process behind many of their shared projects and inventions, underscoring the importance of teamwork in driving innovation.
Conclusion
In summary, John M Jeffers continues to be a pivotal figure in the technology sector. His inventions, including methods for geographic program blackout and advanced encryption systems, showcase his innovative spirit and commitment to enhancing communication technologies. As he progresses in his career, Jeffers' contributions will undoubtedly influence future developments in broadcasting and secure communications.