Donald Parker

Title: The Innovations of Donald Parker

Introduction

Donald Parker is an accomplished inventor based in Elmhurst, IL (US). He has made significant contributions to the field of electronic coin testing. His innovative designs have paved the way for advancements in coin-operated machines.

Latest Patents

Donald Parker holds a patent for a "Coil configuration for electronic coin tester and method of making." This invention involves a coil used in electronic coin testers that determines whether a coin is valid or counterfeit. The design includes a coin slot with two opposing longitudinal walls that accommodate a coin. Each wall features a planar looped coil that generates magnetic flux lines when an electric current is induced. This technology is crucial for ensuring the integrity of transactions in vending machines, games, and telephones.

Career Highlights

Parker is currently employed at Coin Mechanisms, Inc., where he continues to innovate in the realm of coin validation technology. His work has been instrumental in enhancing the reliability of coin-operated devices. With a total of 1 patent, he has demonstrated his ability to create practical solutions for everyday challenges.

Collaborations

One of his notable coworkers is Robert Rollins, with whom he has likely shared insights and expertise in their field. Their collaboration may have contributed to the development of new technologies and improvements in existing systems.

Conclusion

Donald Parker's contributions to electronic coin testing exemplify the spirit of innovation. His patent reflects a commitment to improving the functionality and security of coin-operated machines. Through his work at Coin Mechanisms, Inc., he continues to influence the industry positively.