Patents by Inventor Jae-Chun Yu

Jae-Chun 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).

  • Patent number: 5045946
    Abstract: There is provided throughout this paper a method for performing multi-screen in a PIP (picture-in-picture) system having a luminance/color (Y/C) unit 14 for generating a main screen; a PIP unit 11 for generating a sub-screen; a microcomputer 10 for controlling the entire system; an input and output selector 12, 13 for selecting the image signals under the control of the microcomputer 10; a pre-amplifier 17 for providing the remote control signal in a properly amplified signal with the microcomputer 10; a first and second tuner 15, 16 for tuning desired channels; a on-screen-display (OSD) 18 for display a plurality of skip channel number thereonto; and a mixer 19 for mixing the PIP screen with the OSD screen to display on a same screen. The method allows a user to be able to configure a desired picture-in-picture screen with each designated screen number on the picture-in-picture screen by the use of a technique of the skip channel OSD.
    Type: Grant
    Filed: November 21, 1989
    Date of Patent: September 3, 1991
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Jae-Chun Yu