Frank N Cheung

Title: **The Innovative Mind of Frank N. Cheung**

Introduction

Frank N. Cheung, based in Agoura, California, is a notable inventor known for his contributions to the field of signal processing, particularly in infrared camera technology. With a total of three patents to his name, Cheung's work demonstrates a commitment to enhancing the functionality and reliability of infrared detection systems.

Latest Patents

Among his most recent innovations is a **Signal Processor for Infrared Camera**, which serves as an analog signal processor tailored for an array of uncooled detectors. This patent outlines a system where each detector is linked to an amplifier that provides gain, ensuring that the output from each detector/amplifier pair remains consistent. The design includes a first circuit to compensate for DC offsets and a second circuit to correct variations in sensitivity. Notably, additional circuits enable global automatic DC level control and gain control across the array, as well as a frame-to-frame offset adjustment, enhancing the precision and utility of the infrared camera systems.

Another significant patent is the **Digital Signal Processing System for Removing DC Bias**. This invention addresses the inherent DC bias in the output of pyroelectric and similar detectors. By employing a method that combines an inverted output signal with a non-inverted one, the digital signal processing system successfully eliminates offsets introduced by various electronic components present between the detector and the system. These innovations not only contribute to the field of infrared sensing but also reflect Cheung's ingenuity in solving complex engineering challenges.

Career Highlights

Frank N. Cheung has had a distinguished career, notably working for Hughes Aircraft Company and Hughes Electronics Corporation. His time at these leading technology firms allowed him to refine his skills in signal processing and contribute to groundbreaking projects in advanced detection systems.

Collaborations

Throughout his career, Cheung has collaborated with respected professionals in the industry, including David M. Masarik and Robert S. Hayes. These partnerships highlight the importance of teamwork in the innovation process and pave the way for future advancements in technology.

Conclusion

Frank N. Cheung's innovative spirit and technical expertise have significantly impacted signal processing in infrared technology. His patents speak to a legacy of commitment to excellence and ingenuity, positioning him as a noteworthy inventor in the field. As technology continues to evolve, the contributions of inventors like Cheung will undoubtedly play a crucial role in shaping the future of detection systems.