Patents by Inventor Chang W. Hong

Chang W. Hong 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: 5146335
    Abstract: A system for simultaneously achieving the complete display of a plurality of subscreens of television video signals together with a main screen of television video signal without any overlapping (i.e., picture-out-of-picture; tiled displays), and thereby offer the pleasure to a viewer, of watching various types of a TV screen displays which are made up of various combinations of the subscreens and the main screen. The apparatus for multipicture regeneration uses an HDTV system and includes horizontal and vertical synchronizing counters, a logic control matrix part, a plurality of signal sources, a switching part, a scan direction data transfer part and an image processor. All of the selected subscreens and the main screen simultaneously displayed completely each with an aspect ratio of 3:4, on a single HDTV screen having an aspect ratio of 9:16.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: September 8, 1992
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jihn K. Kim, Chang W. Hong