Company Filing History:
4 out of 16,076 
2 out of 759 
2 out of 4,988 
Years Active: 1978-1992
Title: David P Casasent: Innovator in Optical Processing and Product Inspection
Introduction
David P Casasent is a prominent inventor based in Pittsburgh, PA (US). He has made significant contributions to the fields of optical processing and product inspection. With a total of 10 patents to his name, his work has had a substantial impact on various industries.
Latest Patents
One of his latest patents is the "Transform Optical Processing System." This invention involves generating an electrical signal in response to a first image and modulating a beam of coherent light based on that signal. A Fourier transform image of the modulated coherent light beam is formed and detected, providing a second electrical signal that represents the Fourier transformed image. The invention also includes methods for comparing this signal to a reference signal to produce an output signal that indicates any differences. Additionally, it features optical preprocessing of the image and the use of spatial light modulating devices.
Another notable patent is for "Methods and Apparatus for Optical Product Inspection." This invention verifies lines of text on products by forming a one-dimensional image of each line. The image information is compared to the intended text using acousto-optic correlator systems. This method allows for parallel processing of multiple lines of text and can determine the acceptability of products based on the correctness of the text image.
Career Highlights
Throughout his career, David P Casasent has worked with notable organizations, including the United States Navy and Philip Morris Inc. His innovative work has led to advancements in optical technologies and product verification processes.
Collaborations
David has collaborated with esteemed colleagues such as Demetri Psaltis and Marc A Franke. Their combined expertise has contributed to the success of various projects and patents.
Conclusion
David P Casasent is a distinguished inventor whose work in optical processing and product inspection continues to influence technology today. His innovative patents and collaborations highlight his significant contributions to the field.
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