Jeffrey L Cox

Title: The Innovative Contributions of Jeffrey L. Cox

Introduction

Jeffrey L. Cox is a notable inventor based in Camillus, NY (US), recognized for his contributions to cable television technology. With a total of 3 patents to his name, Cox has developed innovative systems that enhance subscriber control and security in cable television services.

Latest Patents

Cox's latest patents include the "Expandable Cable Television Subscriber Control System." This system is designed to be placed outside of a subscriber's home, allowing for effective control of access to cable television signals provided by a cable television headend. The modular design features a single control module and a single RF distribution module, which are shared by multiple jammer modules. These jammer modules contain frequency agile oscillators, enabling frequency changes in a time-multiplex fashion. The system also incorporates a unique switching mechanism using series connected diodes and filters with inductive elements configured through etching processes.

Another significant patent is the "Cable Subscriber Control Device Using Shared Jamming Modules." This device controls access to cable television signals by shifting the frequencies of jamming oscillators, which can jam multiple services simultaneously. The shared oscillators between multiple subscriber ports create a cost-effective and high-security control system. The modular approach allows for additional security features to be integrated as needed.

Career Highlights

Cox is currently employed at North American Philips Corporation, where he continues to innovate in the field of cable television technology. His work has significantly impacted how subscribers access and control their cable services.

Collaborations

Throughout his career, Cox has collaborated with talented individuals such as Aravanan Gurusami and Robert J. Chamberlin, contributing to the advancement of technology in his field.

Conclusion

Jeffrey L. Cox's innovative patents and contributions to cable television technology demonstrate his commitment to enhancing subscriber control and security. His work continues to influence the industry and improve user experiences.