Aristides Antony Yiannoulos

Title: Aristides Antony Yiannoulos: Innovator in Imaging Technology

Introduction

Aristides Antony Yiannoulos is a notable inventor based in Wyomissing Hills, PA (US). He has made significant contributions to the field of imaging technology, holding a total of 4 patents. His work primarily focuses on enhancing the performance of electronic devices used in imaging applications.

Latest Patents

Yiannoulos's latest patents include a groundbreaking analogue to digital (A/D) converter semiconductor integrated circuit. This innovative device is designed for digitizing signals generated by physical stimulus sensing electronic apparatus, particularly for active pixel sensor (APS) imaging devices. The A/D converter features a modified single slope integration type, where the reference ramp signal exhibits predetermined nonlinearity and offset. This design allows the converter to effectively linearize and remove offsets from the signal path, self-calibrating against manufacturing variations and adjusting for variations in operating conditions. Additionally, the A/D converter provides white balancing and gamma correction functionality, replacing costly digital signal processing means previously required.

Another significant invention by Yiannoulos is the field-effect photo-transistor, a three-terminal photosensing electrical device based on integrated metal oxide semiconductor (MOS) technology. This device is particularly suitable for active pixel imaging arrays due to its high output impedance. Unlike traditional bipolar photo-transistors, the field-effect photo-transistor is more compatible with MOS VLSI technology, allowing for the integration of imaging arrays on the same semiconductor substrate as conventional digital or mixed signal processing functions.

Career Highlights

Throughout his career, Yiannoulos has worked with prominent companies such as Lucent Technologies Inc. and Bell Telephone Laboratories. His experience in these organizations has contributed to his expertise in the field of imaging technology and semiconductor devices.

Collaborations

Some of his notable coworkers include James P. Ballantyne and Paul E. Fleischer. Their collaborations have likely played a role in advancing the innovations developed by Yiannoulos.

Conclusion

Aristides Antony Yiannoulos is a distinguished inventor whose work in imaging technology has led to significant advancements in the field. His innovative patents demonstrate a commitment to improving the functionality and efficiency of electronic devices used in imaging applications.