Alastair A Warwick

Title: Alastair A Warwick: Innovator in Cable Television Technology

Introduction

Alastair A Warwick is a notable inventor based in Ottawa, Canada. He has made significant contributions to the field of cable television technology, holding 2 patents that enhance the distribution of digital signals.

Latest Patents

Warwick's latest patents include a distribution network comprising coax and optical fiber paths. This innovation supplements a cable television network with optical fibers and fiber termination units to communicate additional downstream digital signals and upstream signals. The drop unit for each customer premises is designed to demodulate downstream signals and selectively deliver only those addressed to the customer premises. It utilizes binary phase shift keying (BPSK) to provide relative immunity to noise, ensuring reliable signal forwarding. Another patent focuses on a data modulation arrangement for selectively distributing data. This arrangement allows for the delivery of digital signals via optical fibers to customers through coaxial drop cables, modulated at frequencies above conventional analog television channels. This innovation reduces the number of required modulators while delivering individually selected signals to customers.

Career Highlights

Alastair A Warwick has worked at Northern Telecom Limited, where he has been instrumental in developing advanced technologies for cable television distribution. His work has significantly impacted how digital signals are managed and delivered to consumers.

Collaborations

Warwick has collaborated with notable coworkers, including John B Terry and Carl William Anderson, contributing to the advancement of cable television technology.

Conclusion

Alastair A Warwick's innovative patents and contributions to cable television technology demonstrate his expertise and commitment to enhancing communication systems. His work continues to influence the industry and improve the delivery of digital signals to consumers.