Patents by Inventor Ju H. Jeong

Ju H. Jeong 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).

  • Video signal and output device for freeze-frame video telephone
    Patent number: 5117286
    Abstract: A video input and output device which generates sampling frequency synchronized to the video signal, and stores video image of 256 grey levels, 8 bits wide, per pixel in memory after realtime sampling and quanitization following the selection of the necessary part of the input video signal. The invention also adopts a two-dimensional addressing technique for the simplification of the hardware structure, and can easily redefine the size of the video image for following future trends.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: May 26, 1992
    Assignee: Korea Telecommunications Authority Electronics & Telecommunications Research Institute
    Inventor: Ju H. Jeong