David Lewison

Title: The Innovative Contributions of David Lewison

Introduction

David Lewison is a notable inventor based in Larchmont, NY (US). He has made significant contributions to the field of optical devices and inspection systems. With a total of 3 patents to his name, Lewison's work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is titled "Depth of field enhancement for optical comparator." This invention involves an optical device inspection system and method that employs a narrow aperture on a magnifying objective lens. This design reduces the circle of confusion and increases the depth of field, allowing for simultaneous focus on all portions of objects being inspected. The use of an arc lamp with an elliptical reflector, combined with a condenser lens, focuses a more intense beam of light through the objective lens. This innovation provides sufficient brightness without sacrificing any depth of field.

Another significant patent is the "Ophthalmic lens transportation and inspection cell." This invention describes a method and apparatus for an inspection cell that allows contact lenses to be presented in a known orientation for inspection. The cell can be tipped to place the inspected lens into a known pick-cup location upon passing inspection, or it can discard the lens if it does not pass. The automation of this process can be easily controlled by selecting the rate at which the cell is tipped.

Career Highlights

David Lewison is currently employed at Bausch + Lomb Incorporated, a leading company in the optical and healthcare industry. His work at this organization has allowed him to further develop his innovative ideas and contribute to advancements in optical technology.

Collaborations

Throughout his career, Lewison has collaborated with talented individuals such as Raymond H. Puffer, Jr. and Marc Bergendahl. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

David Lewison's contributions to the field of optical devices and inspection systems are noteworthy. His innovative patents and work at Bausch + Lomb Incorporated highlight his commitment to advancing technology in this area. His collaborations with other professionals further enhance the impact of his inventions.