Robert Girard

Title: The Innovations of Robert Girard

Introduction

Robert Girard is a notable inventor based in Colombes, France. He has made significant contributions to the field of telecommunications, particularly in the area of telephone signaling technology. With a total of four patents to his name, Girard's work has had a lasting impact on the industry.

Latest Patents

One of Girard's latest patents is a "Telephone charging signalling detector suitable for central office line." This invention is designed to detect telephone charging signaling in the form of periodic pulses derived from alternating current signals. The detector includes an input filter centered on the frequency of the expected signaling, a sample and hold circuit, a lowpass filter, and a level detector that supplies a presence signal for a characteristic signal above a predetermined threshold. Another significant patent is the "Low-frequency alternating current signal detector." This device recognizes tone signals in a central office line interface circuit, featuring an amplifier, a bandpass filter, and a threshold presence detector that enables comparison of input and output signals.

Career Highlights

Robert Girard has worked at Alcatel Business Systems, where he has been instrumental in developing innovative telecommunications solutions. His expertise in signal detection and processing has contributed to advancements in private telephone installations and analog network subscriber lines.

Collaborations

Throughout his career, Girard has collaborated with notable colleagues, including Andre Bonvallet and Raymond Blaszykowski. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the telecommunications sector.

Conclusion

Robert Girard's contributions to telecommunications through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry and pave the way for future advancements.