Location History:
- Paris, FR (1978)
- Saint-Heand, FR (1977 - 1983)
Company Filing History:
5 out of 7 
1 out of 2,692 
Years Active: 1977-1983
Title: The Innovations of Andre A Masson
Introduction
Andre A Masson is a notable inventor based in Saint-Heand, France, recognized for his contributions to optical systems and motion-picture technology. With a total of five patents to his name, Masson has made significant advancements in the field of optics, particularly for color television cameras.
Latest Patents
One of his latest patents is the Variable-focal-length objective, designed for motion-picture cameras and color television cameras. This innovative objective comprises two movable groups of lens elements placed between two stationary groups, allowing for a variation in focal distance. Each movable group contributes to the total variation of magnification, ensuring that the ratio of maximum to minimum magnification exceeds 1:1. Notably, one of the movable groups performs both a magnification function and an additional focusing function, while the other solely focuses on magnification.
Another significant patent is the Device and method for adjusting the value of chromatism aberrations in optical systems. This invention addresses chromatism and distortion aberrations in color television cameras by utilizing a diascope to inject a color image into the optical system. The device consists of at least four prismatic blades forming two optically parallel groups of variable thickness, allowing for precise control over the aberrations while maintaining a constant total thickness.
Career Highlights
Throughout his career, Andre A Masson has worked with esteemed companies such as Etablissements Pierre Angenieux and Thomson-CSF. His work in these organizations has contributed to the development of advanced optical technologies and has solidified his reputation as a leading inventor in the field.
Collaborations
Masson has collaborated with notable individuals in the industry, including Francis Jourdan and Jean-Paul Lepeytre. These partnerships have fostered innovation and have played a crucial role in the advancement of optical systems.
Conclusion
Andre A Masson's contributions to the field of optics and motion-picture technology are significant and impactful. His innovative patents and collaborations highlight his expertise and dedication to advancing optical systems.