Stephane Le Tual

Title: Innovations of Stephane Le Tual

Introduction

Stephane Le Tual is a notable inventor based in Veurey Voroize, France. He has made significant contributions to the field of analog to digital conversion, holding a total of 2 patents. His work focuses on enhancing the precision and efficiency of analog-digital converters.

Latest Patents

One of his latest patents is an "Analog to digital converter using several cascade-connected" circuits. This invention discloses an analog to digital converter that incorporates multiple cascade-connected interpolation and selection circuits. The interpolation circuit generates five pairs of output signals from three pairs of input signals, selecting three pairs from among the five to apply to the next stage. Each pair consists of two interpolation signals that vary symmetrically and monotonically based on the input voltage, Vin. The invention also includes a method for selecting reference voltages that closely surround the input voltage, ensuring accurate conversion.

Another significant patent by Le Tual is related to precision analog-digital converters. This invention utilizes three ordinary differential amplifiers connected to various voltage references to supply low-order bits for the analog voltage to be converted. The differential output voltages are processed through interpolation circuits to detect intersection points of transfer curves, which serve as intermediate voltage references. Comparators at the output provide bits indicating the value of the input voltage concerning these references.

Career Highlights

Throughout his career, Stephane Le Tual has worked with prominent companies, including Thomson-CSF Semiconducteurs Spécifiques and Thomson-CSF. His experience in these organizations has contributed to his expertise in the field of analog-digital conversion.

Collaborations

Le Tual has collaborated with various professionals in his field, including his coworker Marc Wingender. Their joint efforts have likely led to advancements in their respective projects and innovations.

Conclusion

Stephane Le Tual's contributions to analog to digital conversion technology demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving the precision and functionality of electronic devices.