Company Filing History:
2 out of 16,083 
1 out of 254 
Years Active: 1979-1994
Title: The Innovations of Henry D Dardy
Introduction
Henry D Dardy is a notable inventor based in Upper Marlboro, MD (US). He has made significant contributions to the field of optical technology, holding a total of 3 patents. His work focuses on advanced optical devices that enhance data processing and detection capabilities.
Latest Patents
Dardy's latest patents include an optical switching device and a low noise remote optical fiber sound detector. The optical switching device is a multiple-faced optical device that utilizes a light-responsive element with multiple input and output faces. This innovative design allows for the switching between two stable optical states based on the intensity of incoming light signals. The device can perform various operations, including AND/OR and INVERT/PASS logic operations, making it suitable for parallel logic processing on multiple optical data paths.
The low noise remote optical fiber sound detector is an advanced optical system designed for the frequency-modulation heterodyne detection of acoustic pressure wave signals. This system employs a Bragg cell to modulate an optical beam, which is then transmitted through optical fibers to detect acoustic signals in a fluid medium. The design includes a reference fiber and a signal fiber, each with different sensitivities to acoustic pressure, ensuring accurate detection of sound waves.
Career Highlights
Throughout his career, Dardy has worked with esteemed organizations, including the United States Navy and the United States of America. His contributions to these institutions have been instrumental in advancing optical technologies.
Collaborations
Dardy has collaborated with notable individuals such as Joseph A Bucaro and Edward F Carome. These partnerships have further enriched his work and innovations in the field.
Conclusion
Henry D Dardy's contributions to optical technology through his patents and collaborations highlight his significant role as an inventor. His innovative designs continue to influence advancements in optical systems and data processing.