Charles J Razzell

Title: The Innovations of Charles J Razzell

Introduction

Charles J Razzell is a notable inventor based in Cambridge, GB. He has made significant contributions to the field of signal processing and communication technologies. With a total of 5 patents to his name, Razzell's work has had a lasting impact on the industry.

Latest Patents

Razzell's latest patents include innovative methods for symbol timing recovery and baseband demodulation of M-ary frequency shift keyed signals. One of his patents, titled "Determination of symbol sample timing using soft decisions," describes a method and apparatus for symbol timing recovery. This involves asynchronously sampling a signal burst at predetermined times per symbol period, combining samples from successive cycles, and making soft decisions to select the optimal timing offset for demodulation. Another patent focuses on the "Baseband demodulation of M-ary frequency shift keyed signals," detailing a method for receiving and demodulating M-ary FSK symbols. This method includes oversampling a received signal to obtain sub-symbols, which are then processed through a delay and multiply demodulator to provide maximum likelihood estimates of the transmitted bits.

Career Highlights

Charles J Razzell is currently associated with U.S. Philips Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing communication systems and enhancing signal processing techniques.

Collaborations

Razzell has collaborated with notable colleagues such as Herman W Van Rumpt and Simon R Saunders. Their combined expertise has contributed to the success of various projects and patents.

Conclusion

Charles J Razzell's contributions to the field of signal processing and communication technologies are commendable. His innovative patents and collaborations reflect his dedication to advancing the industry.