Company Filing History:
4 out of 45 
2 out of 16,083 
1 out of 998 
Years Active: 1985-1995
Title: The Innovations of Marc D Mermelstein
Introduction
Marc D Mermelstein is a notable inventor based in Chevy Chase, MD (US). He holds a total of 7 patents, showcasing his contributions to the field of technology and innovation. His work primarily focuses on advanced sensing technologies and measurement systems.
Latest Patents
One of his latest patents is the "Low-frequency electrostrictive ceramic plate voltage sensor." This invention is a stress-driven electrostrictive ceramic low-voltage plate voltage sensor that operates on the principle of field-coupling between strain and polarization in the ceramic material. By applying a dithering or driving voltage to a piezoelectric tube, it generates an oscillating polarization whose amplitude correlates with an applied low-frequency voltage. The electrostrictive ceramic wafer material affixed to the piezoelectric tube senses this oscillation and produces a displacement current, which represents a voltage output that is an amplitude-modulated carrier proportional to the unknown signal voltage being measured.
Another significant patent is the "Heterodyne array for measurement of target velocity." This system determines the angular velocity of a mobile target relative to a station. It develops first and second reference beams and a beam directed at the target, enabling the target to generate first and second signals. Optical devices, preferably fiber-optical, respond to these signals and produce interference pattern signals. An electrical processing circuit processes these signals to develop a signal indicative of the target's angular velocity.
Career Highlights
Throughout his career, Marc D Mermelstein has worked with various organizations, including Geo-Centers, Inc. and the United States Navy. His experience in these companies has contributed to his expertise in developing innovative technologies.
Collaborations
Marc has collaborated with several professionals in his field, including Sandeep T Vohra. Their joint efforts have likely led to advancements in the technologies they have worked on together.
Conclusion
Marc D Mermelstein's contributions to the field of invention are significant, particularly in the areas of sensing technologies and measurement systems. His patents reflect a deep understanding of complex engineering principles and a commitment to innovation.