Introduction: Robert V. Clark, an inventive spirit based in Washington, DC, has made significant contributions to the field of technology with three patented innovations. His work primarily focuses on enhancing security and passenger counting systems, showcasing his commitment to improving safety and efficiency through innovation.

Latest Patents: Among his notable inventions is the "Range Limited Area Protection System." This sophisticated system is designed to detect intruder motion in selectable zones of a defined area, acting as a line protector to monitor intruders near fences or walls. It utilizes a transmitter to periodically sweep the protected area and a receiver equipped with a variable narrow-band filter. This innovative system can store output signals from various zones and analyze them for inconsistencies, providing alarms when significant changes in target patterns are detected.

Another remarkable patent by Clark is the "Acoustic Bus Passenger Counter." This system effectively counts the entry and exit of passengers by using high-frequency sound beams to define multiple zones that passengers must pass through. The technology intelligently discriminates between human targets and other moving objects, using logic circuits to ensure accurate counting. These advancements demonstrate Clark's ability to merge technology with practical applications for public transportation.

Career Highlights: Robert V. Clark has established himself as a leading inventor at Automation Industries, Inc. His dedication to developing cutting-edge technologies has not only added value to his company but has also improved various aspects of public safety and transport.

Collaborations: Throughout his career, Clark has collaborated with esteemed colleagues, including Francis X. Linder and William R. Taylor. Their combined expertise and innovative approaches have played a crucial role in advancing Clark's inventions and enhancing the effectiveness of their applications.

Conclusion: Robert V. Clark exemplifies the spirit of innovation and dedication to technological advancements. His patents not only reflect his creativity but also his commitment to making the world a safer and more efficient place. As he continues to push the boundaries of technology, Clark remains a prominent figure in the landscape of modern inventions.

Profile summary based on public USPTO records.

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