Company Filing History:
Years Active: 1984-1989
Title: Lewis D Dumbauld: Innovator in Cable Television Technology
Introduction
Lewis D Dumbauld is a notable inventor based in Phoenix, AZ, who has made significant contributions to the field of cable television technology. With a total of two patents to his name, Dumbauld has developed innovative systems that enhance the way subscribers access television signals.
Latest Patents
One of Dumbauld's latest patents is for an addressable subscriber cable television system. This system includes a transmission cable that transmits multiple television signals from a head end to various subscribers. Each subscriber is equipped with a multiple subscriber controller that manages the reception of these signals. The system features programmable frequency converters that connect to the subscriber's television receiver, allowing for tailored access to authorized channels. Authorization signals are sent from the head end to the controllers, ensuring that subscribers can only access the channels they are permitted to view. This innovative approach to cable television enhances user experience and control.
Career Highlights
Throughout his career, Dumbauld has worked with several companies, including Theta-Com, a division of Texscan, and Texscan Corporation. His experience in these organizations has contributed to his expertise in developing advanced cable television systems.
Collaborations
Dumbauld has collaborated with various professionals in the industry, including his coworker Gilbert L Tash. Their combined efforts have likely played a role in the successful development of innovative technologies in cable television.
Conclusion
Lewis D Dumbauld's contributions to cable television technology through his patents and career experiences highlight his role as an influential inventor in the field. His work continues to impact how subscribers interact with television services today.