Location History:
- Worcester, MA (US) (1979 - 1990)
- Acton, MA (US) (1994 - 2000)
Company Filing History:
3 out of 74 
1 out of 1 
3 out of 832,887 Years Active: 1979-2000
Title: The Innovative Mind of Charles H. Olmstead
Introduction
Charles H. Olmstead is a notable inventor based in Acton, MA (US). He has made significant contributions to the field of technology, holding a total of 7 patents. His inventions reflect a deep understanding of light and optical systems, showcasing his innovative spirit.
Latest Patents
One of Olmstead's latest patents is the Personal/Private Light Screen. This invention is a lightweight light screen that emits a low-intensity, diffused light of uniform brightness from its interior surface. The light screen is designed to cover both of a user's eyes, preventing ambient light from entering. The wearer can only see the emitted light, creating a restful and therapeutic environment. The light screen features two apertures with shades that allow the wearer to perform short-focal-distance tasks while still benefiting from the emitted light. The combined area of the apertures is less than 5% of the light-emitting area, ensuring a sense of isolation.
Another significant invention is the Optical Switches. This invention includes a semi-transparent, metallic film that has variable absorption and transmission based on the presence of one or two optical signals. The film can be illuminated from opposite sides or obliquely, depending on the optical signals. Additionally, the invention features an optically active material that rotates the plane of polarization of an optical input signal, enhancing its functionality.
Career Highlights
Throughout his career, Charles H. Olmstead has worked with various companies, including Wright Line, LLC. His work has consistently focused on advancing optical technologies and improving user experiences through innovative designs.
Collaborations
Olmstead has collaborated with notable individuals such as James V. Simone and John W. Hicks. These partnerships have contributed to the development of his groundbreaking inventions.
Conclusion
Charles H. Olmstead's contributions to the field of technology through his patents demonstrate his innovative thinking and dedication to improving optical systems. His work continues to inspire future advancements in the industry.