Didier Helal

Title: The Innovative Contributions of Didier Helal

Introduction

Didier Helal is a prominent inventor based in St. Julien En Genevois, France. He has made significant contributions to the field of ultra wideband technology, holding a total of 4 patents. His work focuses on methods and devices for detecting and generating pulses, which are crucial for various applications in communication systems.

Latest Patents

One of Didier Helal's latest patents is titled "Method and device for detecting pulses of an incident pulse signal of the ultra wideband type." This detection device includes an antenna that receives an incident signal and delivers a base signal. A comparator processes the base signal to provide an intermediate signal that represents the sign of the base signal relative to a reference signal. A sampling circuit then samples this intermediate signal to produce a digital signal, which is further processed by a digital processing circuit that correlates it with a predetermined correlation signal.

Another notable patent is "Process and device for generating pulses for the transmission of a pulsed signal of the ultra wideband type." In this invention, successive groups of N bits are delivered at a frequency greater than a predetermined frequency. At least one of these groups includes a subgroup that defines a digital cue of position and shape for a base pulse within a specific time window. This digital cue is converted into the base pulse, which is then filtered to provide a pulse of the ultra wideband type with precise temporal accuracy.

Career Highlights

Didier Helal has worked with notable companies in the technology sector, including STMicroelectronics N.V. and STMicroelectronics S.A. His experience in these organizations has allowed him to develop and refine his innovative ideas in ultra wideband technology.

Collaborations

Throughout his career, Didier has collaborated with esteemed colleagues such as Fritz Lebowsky and Thierry Arnaud. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Didier Helal's contributions to ultra wideband technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative methods and devices continue to impact the industry positively.