Company Filing History:
4 out of 8 
2 out of 52,730 
Years Active: 1987-1988
Title: The Innovations of Robert M Rast
Introduction
Robert M Rast is a notable inventor based in Englewood, Colorado, with a significant contribution to the field of cable television technology. He holds five patents that showcase his innovative approach to communication systems. His work has had a lasting impact on how cable television networks operate and communicate with subscribers.
Latest Patents
One of Rast's latest patents is a "System for controlling communications on a cable television network." This system includes a head end, multiple addressable external control units with subscriber converters located off the subscriber's premises, and subscriber devices on the premises for communication. The head end can selectively poll the external control units for information, ensuring efficient communication across the network. Another significant patent is the "Cable television communication system with passive sensor signal path." This system incorporates security measures, allowing a security sensor in a subscriber's house to generate an emergency signal, forming a transmission path to a trunk cable. The external control unit can monitor the power supply conditions of the security sensor, enhancing the overall security of the system.
Career Highlights
Throughout his career, Rast has worked with prominent companies such as American Television and Communications Corporation and Toshiba Corporation. His experience in these organizations has contributed to his expertise in developing advanced communication systems.
Collaborations
Rast has collaborated with notable individuals in the field, including David Wreford-Howard and Akinori Masuko. These collaborations have further enriched his work and innovations in cable television technology.
Conclusion
Robert M Rast's contributions to cable television technology through his patents and collaborations highlight his role as an influential inventor. His innovative systems continue to shape the way communication is managed in cable networks today.