Patents by Inventor Hung-Fu WAN

Hung-Fu WAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • AUTHENTICATING DEVICE
    Publication number: 20150116714
    Abstract: An authenticating device is used for optically authenticating a testing area of a first surface of a valuable document. The valuable document defines a normal perpendicular to the first surface and a datum penetrating the normal and two sides of the valuable document. The datum and the first surface collectively define a first area and a second area adjacent to the first area. The authenticating device includes a first light emitting unit, a second light emitting unit, and a light receiving component. The first light emitting unit is arranged within the first area. The second light emitting unit is arranged within the first area. The light receiving component is arranged within the second area. The first light emitting unit and the second light emitting unit emit light to the testing area in sequence for authenticating the variable document.
    Type: Application
    Filed: October 28, 2013
    Publication date: April 30, 2015
    Applicant: International Currency Technologies Corp.
    Inventors: Yi-Jen PAN, Terng-Chiong YOU, Hung-Fu WAN, Ling-Ta SU, Tien-Yuan CHIEN