Company Filing History:
Years Active: 1979
Title: The Innovations of Christian H Petitjean
Introduction
Christian H Petitjean is an accomplished inventor based in Fontenay aux Roses, France. He is known for his significant contributions to the field of radar technology, particularly in enhancing the secrecy of communication systems. His innovative approach has led to the development of a unique ciphering device that improves the security of encoded replies in secondary radar systems.
Latest Patents
Christian H Petitjean holds one patent for a ciphering device designed to enhance the secrecy of encoded replies in a secondary radar system. This invention involves a transponder and a central station that utilize complementary dispersive filters for enciphering and deciphering. The filters have specific expansion and compression factors, which ensure that adjacent pulses in the reply train are completely overlapped, thereby improving the security of the communication link between airborne transponders and ground stations.
Career Highlights
Christian H Petitjean has made notable strides in his career, working with Le Materiel Telephonique, where he has applied his expertise in radar technology. His work has been instrumental in advancing the capabilities of secondary radar systems, particularly those used for Identification Friend or Foe (IFF) applications. His innovative solutions have contributed to the overall improvement of radar communication security.
Collaborations
Christian has collaborated with several talented individuals in his field, including Maurice E Marchand and Marcel Denis. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies in radar systems.
Conclusion
Christian H Petitjean's contributions to radar technology exemplify the impact of innovation in enhancing communication security. His work continues to influence the field, showcasing the importance of inventive solutions in modern technology.