Patents by Inventor Hung-Ju Tsai

Hung-Ju Tsai 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: 10521895
    Abstract: The present invention provides a dynamic automatic focus tracking system, comprising an image capturing device for capturing an image of a workpiece in a target picture-taking region; a driving device for adjusting a spacing between the image capturing device and the workpiece; and a focal length adjustment module coupled to the image capturing device and the driving device to generate a control signal according to a figure feature and a predefined figure feature in the image of the workpiece and send the control signal to the driving device, thereby adjusting a position of the image capturing device with the driving device.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: December 31, 2019
    Assignee: Utechzone Co., Ltd.
    Inventors: Hung-Ju Tsai, Chia-Liang Lu, Ming-Cheng Lai, Sheng-Chieh Lo
  • Publication number: 20170169559
    Abstract: The present invention provides a dynamic automatic focus tracking system, comprising an image capturing device for capturing an image of a workpiece in a target picture-taking region; a driving device for adjusting a spacing between the image capturing device and the workpiece; and a focal length adjustment module coupled to the image capturing device and the driving device to generate a control signal according to a figure feature and a predefined figure feature in the image of the workpiece and send the control signal to the driving device, thereby adjusting a position of the image capturing device with the driving device.
    Type: Application
    Filed: November 18, 2016
    Publication date: June 15, 2017
    Inventors: Hung-Ju TSAI, Chia-Liang LU, Ming-Cheng LAI, Sheng-Chieh LO
  • Patent number: 8699870
    Abstract: A vehicular eye-controlled device having an illumination light source essentially includes a first body and a second body which are independent and separate. The first body has an electronic component disposed therein and required for operation and a photographic unit exposed therefrom for capturing an image of a driver. The second body is disposed in the vicinity of the first body and includes an illumination unit for providing illumination required for eye-controlled operation. The illumination unit and the photographic unit are separated by a distance of at least 5 cm.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: April 15, 2014
    Assignee: Utechzone Co., Ltd.
    Inventors: Po-Tsung Lin, Ming-Chen Lai, Hung-Ju Tsai, Yu-Ling Tang
  • Publication number: 20130259460
    Abstract: A vehicular eye-controlled device having an illumination light source essentially includes a first body and a second body which are independent and separate. The first body has an electronic component disposed therein and required for operation and a photographic unit exposed therefrom for capturing an image of a driver. The second body is disposed in the vicinity of the first body and includes an illumination unit for providing illumination required for eye-controlled operation. The illumination unit and the photographic unit are separated by a distance of at least 5 cm.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 3, 2013
    Applicant: UTECHZONE CO., LTD.
    Inventors: Po-Tsung LIN, Ming-Chen Lai, Hung-Ju Tsai, Yu-Ling Tang