James J DesRosiers

Title: Innovations of James J DesRosiers

Introduction

James J DesRosiers is an accomplished inventor based in Tampa, Florida. He has made significant contributions to the field of digital communications, particularly through his innovative patent related to modem technology. His work has implications for improving data transmission efficiency and reliability.

Latest Patents

James J DesRosiers holds a patent for an invention titled "Adaptive transmit pre-emphasis for digital modem computed from noise." This patent describes an apparatus and method that calculates pre-emphasis coefficients for a transmitting modem based on the noise spectrum received at the receiving modem. A noise spectrum analysis circuit calculates the difference between the best-fit transmitted data and the actual received data. This difference is utilized to compute a discrete Fourier transform of the noise spectrum, which is then transmitted back to the transmitting modem on a secondary channel. The data obtained is used to calculate filter coefficients for the transmitting modem, enhancing its performance.

Career Highlights

James J DesRosiers is associated with AT&T Paradyne, where he has contributed to various projects in the telecommunications sector. His expertise in digital modem technology has positioned him as a valuable asset in his field.

Collaborations

James has worked alongside his coworker, William Lewis Betts, contributing to advancements in modem technology and digital communications.

Conclusion

James J DesRosiers is a notable inventor whose work in digital modem technology has led to innovative solutions for data transmission. His contributions continue to influence the telecommunications industry.