Carmel, IN, United States of America

James A McDonald

This inventor holds 2 USPTO granted patents. Top assignee: Rca Inc.. Active years: 1985-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James A McDonald. Retrieved from https://idiyas.com/inventor/james-a-mcdonald-4xiq8aed

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1985-1987

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2 patents (USPTO):Explore Patents

Title: Innovations of James A McDonald

Introduction

James A McDonald is a notable inventor based in Carmel, IN (US). He has made significant contributions to the field of electronics, particularly in television technology. With a total of 2 patents to his name, McDonald has demonstrated a commitment to innovation and problem-solving in his work.

Latest Patents

One of McDonald's latest patents is the "Gullwing distortion corrected deflection circuitry for a square-planar." This invention addresses the issue of gullwing distortion that affects the scanned raster on the phosphor screen of a square-planar picture tube with an aspherical faceplate. The circuit modulates the field deflection current during a line deflection period to correct this distortion effectively. Another significant patent is the "Automatic kinescope beam current limiter." This circuit is designed for television receivers and includes a current path that develops a control voltage across an integrating capacitor. It features a threshold conduction device that allows the limiter circuit to respond to both average and above-average beam current values, ensuring optimal performance during peak conditions.

Career Highlights

James A McDonald has worked with RCA Inc., a company known for its innovations in electronics and broadcasting. His work has contributed to advancements in television technology, enhancing the viewing experience for consumers.

Collaborations

Throughout his career, McDonald has collaborated with notable colleagues, including Peter E Haferl and Hugh F Sutherland, II. These collaborations have likely fostered an environment of creativity and innovation, leading to the development of impactful technologies.

Conclusion

James A McDonald is a distinguished inventor whose work in television technology has led to significant advancements. His patents reflect a deep understanding of electronic systems and a dedication to improving consumer experiences.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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