Patents by Inventor Changliu DONG

Changliu DONG 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).

  • Auxiliary input device
    Patent number: 9632657
    Abstract: Disclosed herein are technologies for providing an auxiliary input device. The auxiliary input device may provide data to a mobile host device. In some implementations, the auxiliary input device includes a photoelectric sensor that tracks movement and provides spatial data that manipulates a cursor displayed on a user interface of the mobile host device.
    Type: Grant
    Filed: December 28, 2014
    Date of Patent: April 25, 2017
    Assignee: SAP SE
    Inventor: Changliu Dong
  • AUXILIARY INPUT DEVICE
    Publication number: 20160188154
    Abstract: Disclosed herein are technologies for providing an auxiliary input device. The auxiliary input device may provide data to a mobile host device. In some implementations, the auxiliary input device includes a photoelectric sensor that tracks movement and provides spatial data that manipulates a cursor displayed on a user interface of the mobile host device.
    Type: Application
    Filed: December 28, 2014
    Publication date: June 30, 2016
    Inventor: Changliu DONG