This inventor holds 2 USPTO granted patents. Top assignee: Digital Communications Corporation. Active years: 1976-1977.
Company Filing History:
Years Active: 1976-1977
Title: Innovations of Andrew M. Walker
Introduction
Andrew M. Walker is a notable inventor based in Gaithersburg, MD (US). He has made significant contributions to the field of digital communications, holding a total of 2 patents. His work primarily focuses on phase-locked loop technology, which is essential for various communication systems.
Latest Patents
Walker’s latest patents include a "Phase locked loop with pre-set and squelch" and a "Phase locked loop with circuit for preventing sidelock." The first patent describes a phase-locked loop designed for burst-type signals, incorporating a squelch switch and a track and hold circuit to manage the output effectively during intermittent carrier bursts. The second patent addresses a side lock detector that prevents side lock in coherent PSK demodulation, utilizing a band pass filter to monitor the phase detector output and ensure stable operation.
Career Highlights
Andrew M. Walker is currently employed at Digital Communications Corporation, where he applies his expertise in developing advanced communication technologies. His innovative approaches have contributed to the enhancement of signal processing and demodulation techniques.
Collaborations
Walker has collaborated with notable colleagues, including Ova Gene Gabbard and David W. Matthews, further enriching his work in the field of digital communications.
Conclusion
Andrew M. Walker's contributions to phase-locked loop technology demonstrate his commitment to advancing communication systems. His patents reflect a deep understanding of signal processing, making him a valuable asset in the field of digital communications.