Frank Preiswerk

Title: Frank Preiswerk: Innovator in Guided Camera Focusing Technology

Introduction

Frank Preiswerk is an accomplished inventor based in Brooklyn, California. He has made significant contributions to the field of camera technology, particularly in the area of guided camera focusing using barcode images. His innovative approach has the potential to enhance the accuracy and efficiency of camera systems.

Latest Patents

Frank Preiswerk holds a patent for a groundbreaking invention titled "Guided camera focusing using barcode images." This patent describes techniques for guiding camera focusing by utilizing barcode images. In this invention, a computer system receives an image of a calibration target that is aligned with the optical axis of a camera. The calibration target features steps located at various depths relative to the camera lens and includes sets of barcodes. The computer system decodes these barcode sets and determines a sharpness metric for individual steps based on the attributes of the decoded barcodes. This information is then used to adjust the focal plane of the lens, ensuring optimal focus.

Career Highlights

Frank Preiswerk is currently employed at Amazon Technologies, Inc., where he continues to develop innovative solutions in camera technology. His work at Amazon has allowed him to collaborate with other talented professionals in the field, further enhancing his contributions to technology.

Collaborations

One of Frank's notable coworkers is Ali Can, with whom he has likely shared insights and expertise in their projects at Amazon Technologies, Inc.

Conclusion

Frank Preiswerk's innovative work in guided camera focusing technology exemplifies the impact of creativity and technical expertise in advancing camera systems. His patent and contributions to Amazon Technologies, Inc. highlight his role as a significant figure in the field of invention.