Patents by Inventor I-Wen Hsi

I-Wen Hsi 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).

  • Patent number: 10489920
    Abstract: A method for determining the moving direction of a finger includes: sensing a fingerprint of the finger to generate a first frame at a first sampling time point, wherein the first frame includes a plurality of first blocks; sensing the fingerprint to generate a second frame at a second sampling time point, wherein the second frame includes a plurality of second blocks, wherein each of the second blocks corresponds to one of the first blocks; comparing each of the first blocks with its corresponding second block to obtain moving information of such second block; and determining the moving direction of the finger according to moving information of all of the second blocks.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: November 26, 2019
    Assignee: EGIS TECHNOLOGY INC.
    Inventors: Yuan-Lin Chiang, I-Wen Hsi
  • Publication number: 20180197298
    Abstract: A method for determining the moving direction of a finger includes: sensing a fingerprint of the finger to generate a first frame at a first sampling time point, wherein the first frame includes a plurality of first blocks; sensing the fingerprint to generate a second frame at a second sampling time point, wherein the second frame includes a plurality of second blocks, wherein each of the second blocks corresponds to one of the first blocks; comparing each of the first blocks with its corresponding second block to obtain moving information of such second block; and determining the moving direction of the finger according to moving information of all of the second blocks.
    Type: Application
    Filed: November 14, 2017
    Publication date: July 12, 2018
    Inventors: Yuan-Lin Chiang, I-Wen Hsi