Patents by Inventor Dong Sang YU

Dong Sang YU 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).

  • Publication number: 20170006295
    Abstract: An encoding method of security images. Provided is a variable bit rate (VBR) control method for controlling a bit rate in encoding an image frame by accumulating at regular intervals the distribution, within the frame, of an amount of movements in foreground images subtracted from the image frame. When the amount of movements is accumulated, the image may be encoded in higher quality regarding to the recent movements by changing the weight value according to time.
    Type: Application
    Filed: July 1, 2015
    Publication date: January 5, 2017
    Applicant: IDIS CO., LTD.
    Inventors: Dong Sang YU, Nam Hyun CHO
  • Publication number: 20160142681
    Abstract: Provided is a surveillance camera comprising: an image analyzer configured to analyze whether a captured image is a visible light image or an infrared image; and a focus controller configured to adjust a focus to a refractive index of infrared rays or visible lights according to an analytic result obtained by the image analyzer.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 19, 2016
    Applicant: IDIS CO., LTD.
    Inventors: Dong Sang YU, Hyun Bin KIM
  • Patent number: D1025167
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 30, 2024
    Inventors: Han Wool Choi, Jun Hwan Park, Seok Young Youn, Hun Keon Ko, Ho Seong Kang, Hyeon Jeong An, Gyu Jong Hwang, Soo Kyoung Kang, Dong Jin Hyun, Geun Sang Yu
  • Patent number: D1025168
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 30, 2024
    Inventors: Han Wool Choi, Jun Hwan Park, Seok Young Youn, Hun Keon Ko, Ho Seong Kang, Hyeon Jeong An, Gyu Jong Hwang, Soo Kyoung Kang, Dong Jin Hyun, Geun Sang Yu