This inventor holds 3 USPTO granted patents. Top assignee: At&t Bell Laboratories. Active years: 1994.
Company Filing History:
Years Active: 1994
Title: Cheng D Yu: Innovator in Video Telephony
Introduction
Cheng D Yu is a notable inventor based in Scotch Plains, NJ (US). He has made significant contributions to the field of video telephony, holding a total of 3 patents. His work focuses on enhancing communication technologies, particularly through the use of existing cable television systems.
Latest Patents
Cheng D Yu's latest patents include innovative systems for bidirectional video telephony. One of his patents describes a method for providing two-way video telephony using shared channels on coaxial cable. This system allows for video communication between two locations, each equipped with audio/video displays and sources. The technology utilizes available channels on coaxial cable distribution networks, which can be integrated into existing cable television systems. Each location is equipped with a network interface unit (NIU) that modulates and demodulates audio/video information, enabling seamless communication.
Another patent focuses on bidirectional video telephony between cable television and switched networks. This system connects video telephone signals through a coaxial cable network, facilitating communication between originating and destination locations. The technology ensures that users can connect via a switched digital network maintained by a telephone interexchange carrier, making video telephony accessible and efficient.
Career Highlights
Cheng D Yu has had a distinguished career at AT&T Bell Laboratories, where he has contributed to various innovative projects. His work has been instrumental in advancing video telephony technologies, making significant strides in how people communicate over distances.
Collaborations
Throughout his career, Cheng has collaborated with notable colleagues, including Andreas Constantine Papanicolaou and Deirdre T Ryan. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in the field.
Conclusion
Cheng D Yu's contributions to video telephony have paved the way for advancements in communication technology. His innovative patents and work at AT&T Bell Laboratories highlight his commitment to enhancing how we connect with one another.