Location History:
- Oxon Hill, MD (US) (1978)
- Menlo Park, CA (US) (1980)
Company Filing History:
Years Active: 1978-1980
Title: Innovations of James D. Crowley
Introduction
James D. Crowley is an accomplished inventor based in Oxon Hill, MD (US). He holds 2 patents that showcase his expertise in acoustic-wave technology. His work has significantly contributed to advancements in the field, particularly in the development of innovative devices that utilize piezoelectric materials.
Latest Patents
Crowley's latest patents include "Acoustic-wave convolvers utilizing diffused waveguides and beam" and "Tapped surface acoustic wave delay line." The first patent describes a system where two input transducers launch oppositely-propagating acoustic surface waves on a piezoelectric substrate. These waves are compressed to a smaller beamwidth and confined in a diffused channel waveguide, allowing for non-linear interactions at increased energy densities. The second patent details a tapped surface acoustic wave (SAW) delay line that employs piezoelectric leaky wave coupling and bulk wave amplification, resulting in low loss characteristics. This innovative design enhances the performance of SAW devices by providing time-resolved outputs.
Career Highlights
James D. Crowley works for the United States as represented by the Secretary of the Navy. His contributions to the field of acoustic-wave technology have been recognized for their potential applications in various industries. His patents reflect a deep understanding of piezoelectric materials and their capabilities.
Collaborations
Crowley has collaborated with notable colleagues such as Joseph F. Weller and Thomas G. Giallorenzi. These partnerships have likely fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.
Conclusion
James D. Crowley is a prominent inventor whose work in acoustic-wave technology has led to significant advancements in the field. His patents demonstrate a commitment to innovation and a deep understanding of piezoelectric systems. His contributions continue to influence the industry and inspire future developments.