This inventor holds 5 USPTO granted patents. Top assignee: Commissariat a L'energie Atomique Et Aux Energies Alternatives. Active years: 1984-1996.
Location History:
- Gif/Yvette, FR (1990)
- Gif-Sur-Yvette, FR (1984 - 1996)
Company Filing History:
Years Active: 1984-1996
Title: Bernard David: Innovator in Eddy Current Testing Technology
Introduction
Bernard David is a notable inventor based in Gif sur Yvette, France. He has made significant contributions to the field of eddy current testing technology, holding a total of 5 patents. His work focuses on developing advanced systems for processing signals collected by eddy current absolute point transducers.
Latest Patents
One of Bernard David's latest patents is a process for processing signals collected by an eddy current absolute point transducer. This innovative system scans the inner surface of conductive material tubes and provides a representative signal regarding the state of the surface. It records sampled values for each elementary measurement zone, enabling the creation of a three-dimensional image of the surface. The system also constructs a background noise surface, which is subtracted from the image to detect any defects or faults. This invention is particularly applicable to the inspection of steam generator tubes.
Another significant patent is an eddy current testing system that utilizes two samples with different time lags. This pulsed eddy current testing system is designed to detect defects in parts. A probe carries an exciting pulse in one coil while receiving a measuring signal in a second coil. The measuring signal is sampled at two defined instants, resulting in two amplitudes that are plotted in a representative plane. When a defect is present, the signals describe a figure eight, providing valuable information about the defect's size and orientation.
Career Highlights
Bernard David is associated with the Commissariat à l'Énergie Atomique et aux Énergies Alternatives, where he continues to innovate in the field of eddy current testing. His work has been instrumental in advancing the technology used for inspecting critical components in various industries.
Collaborations
Throughout his career, Bernard has collaborated with notable colleagues, including Michel Pigeon and Claude Vienot. These collaborations have contributed to the development of cutting-edge technologies in the field.
Conclusion
Bernard David's contributions to eddy current testing technology have established him as a prominent inventor in his field. His innovative patents reflect his commitment to enhancing inspection methods and ensuring the safety and reliability of critical components.