James D Rosemary

Title: James D Rosemary: Innovator in Telecommunications

Introduction

James D Rosemary is a notable inventor based in Claymont, Delaware, recognized for his contributions to telecommunications technology. With a total of two patents to his name, Rosemary has made significant advancements in managing communication systems.

Latest Patents

One of his latest patents is an "Arrangement for managing multiple telephone lines terminating at a single location." This invention utilizes a multiplexer within a communications gateway and several demultiplexers, each connected to a separate telephone line. The communications gateway converts all received analog telephony signals into a digital format, multiplexing these signals onto a single telephone line connected to the residence. The various telephone lines are connected in series, with demultiplexers configured to recognize specific time slots for each telecommunications device. This innovative approach enhances the efficiency of managing multiple lines in a residential setting.

Another significant patent is the "Method and apparatus for performing either tone analysis on a local looped-back communications path or utilizing a hybrid reflection-based looped-back test to test integrity." In this invention, a test tone is placed in an outbound path of a full-duplex transmission system. By disabling echo cancellation, the echo signal of the test tone is analyzed to determine the condition of the transmission paths. This method allows for testing at the subscriber's location, eliminating the need for central office intervention.

Career Highlights

James D Rosemary has worked at General Instrument Corporation, where he has applied his expertise in telecommunications to develop innovative solutions. His work has contributed to advancements in communication technologies, making significant impacts in the industry.

Collaborations

Throughout his career, Rosemary has collaborated with notable colleagues, including David Beryl Lazarus and Yucheng Jin. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.

Conclusion

James D Rosemary is a distinguished inventor whose work in telecommunications has paved the way for more efficient communication systems. His patents reflect a deep understanding of technology and a commitment to innovation.