Company Filing History:
1 out of 1 
1 out of 1 
3 out of 832,812 Years Active: 1977-1980
Title: G Donald Causey: Innovator in ARMA Filtering Technology
Introduction
G Donald Causey is a notable inventor based in Chevy Chase, MD (US), recognized for his contributions to the field of signal processing. He holds a total of 5 patents, showcasing his innovative approach to developing advanced filtering techniques.
Latest Patents
One of his latest patents is titled "ARMA filter and method for designing the same." This invention presents a near minimum order ARMA type recursive filter that guarantees stability and convergence. The method involves obtaining parameters that allow the filter's amplitude/frequency response to closely approximate a selected frequency spectrum. The process includes performing an inverse discrete Fourier transform to derive coefficients for a stable moving-average filter model. Additionally, he has developed a method for adaptively filtering near-stationary noise from input signals, enhancing the intelligibility of information such as speech or music.
Career Highlights
Throughout his career, G Donald Causey has worked with various organizations, including Biocommunications Research Corporation. His work has significantly impacted the field of signal processing, particularly in noise reduction and filter design.
Collaborations
He has collaborated with notable individuals such as Daniel Graupe and Aloysius A Beex, contributing to advancements in his field.
Conclusion
G Donald Causey's innovative work in ARMA filtering technology and noise reduction has established him as a significant figure in signal processing. His patents reflect a commitment to enhancing the quality of information transmission in various applications.