This inventor holds 16 USPTO granted patents and 1 EPO patent. Top assignee: Ncr Corporation. Active years: 1997-2011.
Company Filing History:
Years Active: 1997-2011
Title: The Innovative Contributions of Hong Tang
Introduction
Hong Tang is a prominent inventor based in Suwanee, GA (US), known for his significant contributions to optical scanning technology. With a total of 16 patents to his name, Tang has made remarkable advancements in the field, particularly in enhancing the efficiency and accuracy of barcode scanning systems.
Latest Patents
Among his latest patents is the "Optical scanner having enhanced item side coverage." This invention features a dual aperture optical scanner that produces horizontal, vertical, and diagonal scan patterns. The design includes a housing with a vertical surface containing a first aperture and a horizontal surface with a second aperture. A laser diode generates a laser beam, while a spinner produces multiple groups of scanning beams. Pattern mirrors reflect these beams in various directions, optimizing the scanning process.
Another notable patent is "Methods and apparatus for area weighted means processing of barcode signals." This innovation focuses on techniques for minimizing noise effects during barcode signal processing. It utilizes a photosignal generated from scanning a barcode to create a digital first derivative signal. By establishing positive and negative thresholds, processing windows are defined for regions of the first derivative signal that exceed these thresholds. This method allows for precise identification of the geometric center of each region, enhancing the accuracy of barcode recognition.
Career Highlights
Throughout his career, Hong Tang has worked with notable companies such as NCR Corporation and NCR International Inc. His experience in these organizations has contributed to his expertise in optical scanning technologies and barcode processing.
Collaborations
Tang has collaborated with esteemed colleagues, including Paul Oliver Detwiler and Barry M. Mergenthaler. These partnerships have fostered innovation and the development of cutting-edge technologies in their respective fields.
Conclusion
Hong Tang's contributions to optical scanning technology and barcode processing have significantly impacted the industry. His innovative patents and collaborations reflect his dedication to advancing technology and improving efficiency in scanning systems.