Douglas Hilgendorf

Title: Douglas Hilgendorf: Innovator in Gaming Technology

Introduction

Douglas Hilgendorf is a notable inventor based in Gurnee, Illinois. He has made significant contributions to the field of gaming technology, particularly through his innovative patent that enhances the integrity of gaming devices. His work has had a lasting impact on the industry, showcasing his expertise and dedication to improving gaming systems.

Latest Patents

Hilgendorf holds a patent for a "Memory integrity checking system for a gaming device." This system is designed to continuously check the integrity of the memories of a computer-controlled gaming device. The gaming device utilizes multiple EPROMs to store software and fixed data essential for its operation. A checksum algorithm, stored in one of the EPROMs, is periodically implemented to calculate individual checksums for each EPROM. The calculated checksum for an EPROM is then compared to a stored checksum value to determine if any changes in the memory contents have occurred. This innovation ensures the reliability and security of gaming devices.

Career Highlights

Douglas Hilgendorf has worked at Bally Manufacturing Corporation, a prominent company in the gaming industry. His role at Bally has allowed him to apply his inventive skills and contribute to the development of advanced gaming technologies. His patent reflects his commitment to enhancing the functionality and security of gaming devices.

Collaborations

Hilgendorf has collaborated with notable colleagues, including Norman Brunner and Phillip Pajak. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas within the gaming technology sector.

Conclusion

Douglas Hilgendorf's contributions to gaming technology through his patent for a memory integrity checking system exemplify his innovative spirit and dedication to the industry. His work continues to influence the development of secure and reliable gaming devices.