Location History:
- Paris, FR (1978 - 1980)
- Voreppe, FR (1990 - 2003)
Company Filing History:
Years Active: 1978-2003
Title: Innovations of Guy Roziere: Pioneering Advances in Image Sensors
Introduction
Guy Roziere, an accomplished inventor based in Voreppe, France, has significantly contributed to the fields of imaging technology and data acquisition. With a remarkable portfolio of 8 patents, he has made strides in developing innovative solutions that enhance the performance and functionality of image detectors.
Latest Patents
Among Roziere's latest inventions is an advanced image sensor with integrated amplifiers for data acquisition. This invention focuses on an image detector that employs arrays of photodiodes, particularly in radiological applications. The architecture features photodiodes linked to adapter amplifiers, implemented within integrated circuits. These circuits are designed with a reference voltage that establishes a bias for the photodiodes, thus allowing for the integration of diverse photosensitive arrays with varying voltage thresholds.
Another noteworthy patent is the method for acquiring measurements along with a scanner implementing said method. This invention addresses the challenges of analogue/digital conversion dynamic swing faced by solid-state detectors, such as those found in tomodensitometers. Roziere proposes an operational strategy where converters work at higher frequencies, leading to a reduction in the required conversion dynamic swing. Consequently, a 14-bit conversion can effectively replace a 20-bit conversion, optimizing the measurement process based on the signal level.
Career Highlights
Throughout his career, Guy Roziere has worked with notable companies that have shaped the landscape of electronics and imaging technology. His experience includes significant roles at Thomson-CSF and Thomson Tubes Electroniques, where he honed his expertise in innovative technologies and developed valuable solutions in imaging systems.
Collaborations
In the course of his professional journey, Roziere had the opportunity to work alongside esteemed colleagues such as Bernard Munier and Henri Rougeot. Their collaboration has furthered the development of groundbreaking technologies in their respective fields, amplifying the impact of their collective work.
Conclusion
Guy Roziere's contributions to the field of imaging technology and his impressive portfolio of patents illustrate his dedication to innovation. His work, particularly in the areas of image sensors and measurement acquisition, continues to influence advancements in the industry, positioning him as a prominent figure among modern inventors.